Analysis

  • max time kernel
    113s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    18-04-2022 12:01

General

  • Target

    fdd375602e7d7b5cd501c0341ba41be71864e6cbda9e36640f98d3130ca8e79e.exe

  • Size

    236KB

  • MD5

    19fd3e358ed31e6f007306810bbc8642

  • SHA1

    c13ecc929531524e39675bae83d521694d810c38

  • SHA256

    fdd375602e7d7b5cd501c0341ba41be71864e6cbda9e36640f98d3130ca8e79e

  • SHA512

    017900aebeee65f4dca5bdbf5fa711d68f474fa0e6ae632ecd4dba695b1f8f2bda04f8fbfcece8b084b395ff0decb25706968d33b398c82205d53f0be41d3bdb

Score
10/10

Malware Config

Signatures

  • OnlyLogger

    A tiny loader that uses IPLogger to get its payload.

  • OnlyLogger Payload 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Kills process with taskkill 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fdd375602e7d7b5cd501c0341ba41be71864e6cbda9e36640f98d3130ca8e79e.exe
    "C:\Users\Admin\AppData\Local\Temp\fdd375602e7d7b5cd501c0341ba41be71864e6cbda9e36640f98d3130ca8e79e.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1204
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "fdd375602e7d7b5cd501c0341ba41be71864e6cbda9e36640f98d3130ca8e79e.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\fdd375602e7d7b5cd501c0341ba41be71864e6cbda9e36640f98d3130ca8e79e.exe" & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4212
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "fdd375602e7d7b5cd501c0341ba41be71864e6cbda9e36640f98d3130ca8e79e.exe" /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:940
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1204 -s 1276
      2⤵
      • Program crash
      PID:2348
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1204 -ip 1204
    1⤵
      PID:2396

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1204-130-0x00000000005E8000-0x0000000000610000-memory.dmp

      Filesize

      160KB

    • memory/1204-131-0x00000000005E8000-0x0000000000610000-memory.dmp

      Filesize

      160KB

    • memory/1204-132-0x0000000002230000-0x0000000002276000-memory.dmp

      Filesize

      280KB

    • memory/1204-133-0x0000000000400000-0x00000000004F6000-memory.dmp

      Filesize

      984KB