Analysis

  • max time kernel
    68s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    18-04-2022 12:01

General

  • Target

    893e3007917cabb488406223f2c36c4556721e36ebfa9b0a57183ca01e48045e.exe

  • Size

    237KB

  • MD5

    eff41fc132a136f18e929fd2dbbc6f0c

  • SHA1

    8172ddc7def1ff008a7b67b691f898d48141efa3

  • SHA256

    893e3007917cabb488406223f2c36c4556721e36ebfa9b0a57183ca01e48045e

  • SHA512

    45b54cb98d91abefa58b2f5e84c16ef07faa4e4673842b33aa071fb6236fb22dc52d961d5738e0160857f755460b61321ae64abe9e9a0a5f0138ae2e88890985

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\893e3007917cabb488406223f2c36c4556721e36ebfa9b0a57183ca01e48045e.exe
    "C:\Users\Admin\AppData\Local\Temp\893e3007917cabb488406223f2c36c4556721e36ebfa9b0a57183ca01e48045e.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:5016
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "893e3007917cabb488406223f2c36c4556721e36ebfa9b0a57183ca01e48045e.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\893e3007917cabb488406223f2c36c4556721e36ebfa9b0a57183ca01e48045e.exe" & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2008
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "893e3007917cabb488406223f2c36c4556721e36ebfa9b0a57183ca01e48045e.exe" /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:4400
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5016 -s 1088
      2⤵
      • Program crash
      PID:4368
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 5016 -ip 5016
    1⤵
      PID:4888

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/5016-130-0x00000000005E8000-0x0000000000610000-memory.dmp

      Filesize

      160KB

    • memory/5016-131-0x0000000002240000-0x0000000002286000-memory.dmp

      Filesize

      280KB

    • memory/5016-132-0x0000000000400000-0x00000000004F6000-memory.dmp

      Filesize

      984KB