Threat Group Cards: A Threat Actor Encyclopedia Archived: 2026-04-05 15:28:04 UTC Home > List all groups > List all tools > List all groups using tool Okrum Tool: Okrum Names Okrum Category Malware Type Backdoor, Exfiltration Description (ESET) The functionality of the Okrum backdoor is not unlike the other backdoors operated by the Ke3chang group The commands allow the attackers to download and upload files, execute binaries or run shell commands. The backdoor can also update itself to a newer version and can adjust the time it sleeps after each backdoor command. Information MITRE ATT&CK Malpedia Last change to this tool card: 30 December 2022 Download this tool card in JSON format All groups using tool Okrum Changed Name Country Observed APT groups Ke3chang, Vixen Panda, APT 15, GREF, Playful Dragon 2010-Oct 2024 1 group listed (1 APT, 0 other, 0 unknown) Source: https://apt.etda.or.th/cgi-bin/listgroups.cgi?u=cebf5827-f803-4a32-87ab-7a97b8f59102 https://apt.etda.or.th/cgi-bin/listgroups.cgi?u=cebf5827-f803-4a32-87ab-7a97b8f59102 Page 1 of 1