Analysis

  • max time kernel
    136s
  • max time network
    134s
  • platform
    windows10_x64
  • resource
    win10-en-20211104
  • submitted
    07-12-2021 11:01

General

  • Target

    5c69bc614c6092798cecfa808358e97cda7c0ea53f30e1e124cb14b54cf9f1b0.exe

  • Size

    422KB

  • MD5

    c58ab85e86005430cf8b4eb02d203271

  • SHA1

    2a8c22a93cfaa5b52d70ccba5a86107dd7955673

  • SHA256

    5c69bc614c6092798cecfa808358e97cda7c0ea53f30e1e124cb14b54cf9f1b0

  • SHA512

    f6d0d607707b7b3b3b390053c16e60627f5f58329d060caa35513fe2af466a25124d3b89a3eb7d59cacecd1a86071788e9a6a1ccd9115a3f516c7327dab6f5ce

Malware Config

Extracted

Family

raccoon

Version

1.8.3-hotfix

Botnet

a2337059abb40b184e621b38e62ace3e1a158d50

Attributes
  • url4cnc

    http://94.158.245.137/papatikmikr03

    http://91.219.236.27/papatikmikr03

    http://94.158.245.167/papatikmikr03

    http://185.163.204.216/papatikmikr03

    http://185.225.19.238/papatikmikr03

    http://185.163.204.218/papatikmikr03

    https://t.me/papatikmikr03

rc4.plain
rc4.plain

Signatures

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • 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 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5c69bc614c6092798cecfa808358e97cda7c0ea53f30e1e124cb14b54cf9f1b0.exe
    "C:\Users\Admin\AppData\Local\Temp\5c69bc614c6092798cecfa808358e97cda7c0ea53f30e1e124cb14b54cf9f1b0.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3980
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\4393494146.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:700
      • C:\Users\Admin\AppData\Local\Temp\4393494146.exe
        "C:\Users\Admin\AppData\Local\Temp\4393494146.exe"
        3⤵
        • Executes dropped EXE
        PID:3200
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "5c69bc614c6092798cecfa808358e97cda7c0ea53f30e1e124cb14b54cf9f1b0.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\5c69bc614c6092798cecfa808358e97cda7c0ea53f30e1e124cb14b54cf9f1b0.exe" & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3988
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "5c69bc614c6092798cecfa808358e97cda7c0ea53f30e1e124cb14b54cf9f1b0.exe" /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:484

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Command and Control

Web Service

1
T1102

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\4393494146.exe
    MD5

    8dd39ca099bb5850e99ac9dd1c0a8679

    SHA1

    c12ce82e5ddea4f5299b5f0de925c7e7e09faa88

    SHA256

    245df6eba42f4085247e9155c66b3e607f724f648da9ec5a673a75a500318e34

    SHA512

    44b5703d00fc84ab2b25f3b58fed233033851c1eb4e642e5fd6e861e68a3122197ed64c3eed6b6c54810f3e2d5f954e83f4c86d509bc97cad98b35ed11235401

  • C:\Users\Admin\AppData\Local\Temp\4393494146.exe
    MD5

    8dd39ca099bb5850e99ac9dd1c0a8679

    SHA1

    c12ce82e5ddea4f5299b5f0de925c7e7e09faa88

    SHA256

    245df6eba42f4085247e9155c66b3e607f724f648da9ec5a673a75a500318e34

    SHA512

    44b5703d00fc84ab2b25f3b58fed233033851c1eb4e642e5fd6e861e68a3122197ed64c3eed6b6c54810f3e2d5f954e83f4c86d509bc97cad98b35ed11235401

  • memory/484-129-0x0000000000000000-mapping.dmp
  • memory/700-121-0x0000000000000000-mapping.dmp
  • memory/3200-122-0x0000000000000000-mapping.dmp
  • memory/3200-125-0x00000000005A9000-0x00000000005F8000-memory.dmp
    Filesize

    316KB

  • memory/3200-127-0x0000000000400000-0x0000000000491000-memory.dmp
    Filesize

    580KB

  • memory/3200-126-0x0000000001FB0000-0x000000000203F000-memory.dmp
    Filesize

    572KB

  • memory/3980-118-0x0000000000631000-0x000000000065B000-memory.dmp
    Filesize

    168KB

  • memory/3980-120-0x0000000000400000-0x00000000004EA000-memory.dmp
    Filesize

    936KB

  • memory/3980-119-0x00000000004F0000-0x000000000063A000-memory.dmp
    Filesize

    1.3MB

  • memory/3988-128-0x0000000000000000-mapping.dmp