Analysis

  • max time kernel
    76s
  • max time network
    60s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    08-05-2022 06:21

General

  • Target

    405cb81ef326299cf3eee91f8b83c4e1fda30ce5da409857a31b04f7ddbc2b9d.exe

  • Size

    453KB

  • MD5

    ba6dccfafbb7e0be71a5de633c7c54e9

  • SHA1

    7328162ced93a894b65411d02c126698a70cf28d

  • SHA256

    405cb81ef326299cf3eee91f8b83c4e1fda30ce5da409857a31b04f7ddbc2b9d

  • SHA512

    50a8e9bc3ecf707d6ebc55c4383c7c94c7c3ad56e7fca3bcd0833d7aec9ade5869ddbcb2e436843494eb840076056cf7c781dbb5f7ba8dee1724743ae8ed7df3

Score
10/10

Malware Config

Signatures

  • OnlyLogger

    A tiny loader that uses IPLogger to get its payload.

  • OnlyLogger Payload 2 IoCs
  • Deletes itself 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Kills process with taskkill 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\405cb81ef326299cf3eee91f8b83c4e1fda30ce5da409857a31b04f7ddbc2b9d.exe
    "C:\Users\Admin\AppData\Local\Temp\405cb81ef326299cf3eee91f8b83c4e1fda30ce5da409857a31b04f7ddbc2b9d.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:908
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "405cb81ef326299cf3eee91f8b83c4e1fda30ce5da409857a31b04f7ddbc2b9d.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\405cb81ef326299cf3eee91f8b83c4e1fda30ce5da409857a31b04f7ddbc2b9d.exe" & exit
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1652
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "405cb81ef326299cf3eee91f8b83c4e1fda30ce5da409857a31b04f7ddbc2b9d.exe" /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:976

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/908-54-0x0000000074F91000-0x0000000074F93000-memory.dmp

    Filesize

    8KB

  • memory/908-56-0x00000000002E0000-0x0000000000326000-memory.dmp

    Filesize

    280KB

  • memory/908-55-0x0000000000D1A000-0x0000000000D42000-memory.dmp

    Filesize

    160KB

  • memory/908-57-0x0000000000400000-0x0000000000C4D000-memory.dmp

    Filesize

    8.3MB

  • memory/976-59-0x0000000000000000-mapping.dmp

  • memory/1652-58-0x0000000000000000-mapping.dmp