Analysis

  • max time kernel
    78s
  • max time network
    59s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    11-05-2022 02:40

General

  • Target

    8a247a04783a7f2c1bda188afc2193a523001e698543fc3175375767833f66a0.exe

  • Size

    323KB

  • MD5

    d83653278606c5f648c78ad1b6555c64

  • SHA1

    8446eca4631b6153560ad382f63274649e7426b3

  • SHA256

    8a247a04783a7f2c1bda188afc2193a523001e698543fc3175375767833f66a0

  • SHA512

    3ffdb5d5102db1d4e7b4c4e4f3cdb095dfa446cec8c22fc1707e3983b3bd39d85d33ff48d1a163a69ab81c3598d31188c1aee612b6cb1ec69016f768debce89e

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\8a247a04783a7f2c1bda188afc2193a523001e698543fc3175375767833f66a0.exe
    "C:\Users\Admin\AppData\Local\Temp\8a247a04783a7f2c1bda188afc2193a523001e698543fc3175375767833f66a0.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1324
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "8a247a04783a7f2c1bda188afc2193a523001e698543fc3175375767833f66a0.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\8a247a04783a7f2c1bda188afc2193a523001e698543fc3175375767833f66a0.exe" & exit
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:956
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "8a247a04783a7f2c1bda188afc2193a523001e698543fc3175375767833f66a0.exe" /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2016

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/956-58-0x0000000000000000-mapping.dmp

  • memory/1324-54-0x0000000076461000-0x0000000076463000-memory.dmp

    Filesize

    8KB

  • memory/1324-55-0x0000000004ECB000-0x0000000004EF3000-memory.dmp

    Filesize

    160KB

  • memory/1324-56-0x0000000000230000-0x0000000000276000-memory.dmp

    Filesize

    280KB

  • memory/1324-57-0x0000000000400000-0x0000000004DCD000-memory.dmp

    Filesize

    73.8MB

  • memory/2016-59-0x0000000000000000-mapping.dmp