Analysis

  • max time kernel
    93s
  • max time network
    107s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    08-05-2022 06:21

General

  • Target

    b854e4ad929ed52298efd7360164462b1c88514fd91e64ab686840ffea13fa03.exe

  • Size

    234KB

  • MD5

    646851362409b6712678ce00b0882750

  • SHA1

    a1725297e2ce8348d05a29f108fc10c2728ce074

  • SHA256

    b854e4ad929ed52298efd7360164462b1c88514fd91e64ab686840ffea13fa03

  • SHA512

    6d0c63e90e58853caa03cd01ee1e1e9e75418e03b29062768faa2217d19824279cb26e45fffe53353e3d4faa1dc338531a83326f0390dd038d661d832f1b99c9

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\b854e4ad929ed52298efd7360164462b1c88514fd91e64ab686840ffea13fa03.exe
    "C:\Users\Admin\AppData\Local\Temp\b854e4ad929ed52298efd7360164462b1c88514fd91e64ab686840ffea13fa03.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:976
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "b854e4ad929ed52298efd7360164462b1c88514fd91e64ab686840ffea13fa03.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\b854e4ad929ed52298efd7360164462b1c88514fd91e64ab686840ffea13fa03.exe" & exit
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1648
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "b854e4ad929ed52298efd7360164462b1c88514fd91e64ab686840ffea13fa03.exe" /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1792

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/976-54-0x00000000002C8000-0x00000000002F0000-memory.dmp

    Filesize

    160KB

  • memory/976-55-0x0000000076451000-0x0000000076453000-memory.dmp

    Filesize

    8KB

  • memory/976-56-0x00000000002C8000-0x00000000002F0000-memory.dmp

    Filesize

    160KB

  • memory/976-57-0x00000000003B0000-0x00000000003F6000-memory.dmp

    Filesize

    280KB

  • memory/976-58-0x0000000000400000-0x0000000000F98000-memory.dmp

    Filesize

    11.6MB

  • memory/1648-59-0x0000000000000000-mapping.dmp

  • memory/1792-60-0x0000000000000000-mapping.dmp