Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-12-2022 18:16

General

  • Target

    abe4ff36c8c3a6cb420fd3fabf0df23f.exe

  • Size

    46KB

  • MD5

    abe4ff36c8c3a6cb420fd3fabf0df23f

  • SHA1

    eada417aebe70a6b002f5d4244366fc6ad579000

  • SHA256

    e360c69993aeff3cece090d1ac380c5da51739c4f2a19a0870dde8541afdeb3c

  • SHA512

    c056f5a7c9ad5a2e8af116438ce8b861b1da69ed2d13ab3ea46407e064e9cd680e2d716d473f951e3ee9f79a730d21ed6e2663ef3aab25396cf8c92d2561e39b

  • SSDEEP

    768:UpCu6vzwdlWN8hOY45NVg1UWj/eb3AsMtY7eb3AsMt:Up6zwdQNbl50CTA/YqTA/

Score
10/10

Malware Config

Extracted

Family

limerat

Attributes
  • aes_key

    1478967

  • antivm

    false

  • c2_url

    https://pastebin.com/raw/Afe0QGiz

  • delay

    3

  • download_payload

    false

  • install

    true

  • install_name

    ApplicationFrameHost.exe

  • main_folder

    AppData

  • pin_spread

    true

  • sub_folder

    \

  • usb_spread

    true

Signatures

  • LimeRAT

    Simple yet powerful RAT for Windows machines written in .NET.

  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • 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.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\abe4ff36c8c3a6cb420fd3fabf0df23f.exe
    "C:\Users\Admin\AppData\Local\Temp\abe4ff36c8c3a6cb420fd3fabf0df23f.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2104
    • C:\Users\Admin\AppData\LocaljRhkoiqAvJ.exe
      "C:\Users\Admin\AppData\LocaljRhkoiqAvJ.exe"
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:432
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Roaming\ApplicationFrameHost.exe'"
        3⤵
        • Creates scheduled task(s)
        PID:1476
      • C:\Users\Admin\AppData\Roaming\ApplicationFrameHost.exe
        "C:\Users\Admin\AppData\Roaming\ApplicationFrameHost.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:4900

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocaljRhkoiqAvJ.exe

    Filesize

    28KB

    MD5

    7a194546c827246d5e2b9026bd8afd82

    SHA1

    45f92f825dea5e2ff350e6f5b6cdf58ca92f559a

    SHA256

    eac21c69bee39ee17252ca5d45e18951df7cff669b4af347567c9d894c672d12

    SHA512

    bf136ca203034a1355e42ac95486b477001eb88a540eb3f116ecbfdd925c98a1cbdd2d0af428d8c5742908fd6da8b33b666fb8c62e5fdb6322924612af21193f

  • C:\Users\Admin\AppData\LocaljRhkoiqAvJ.exe

    Filesize

    28KB

    MD5

    7a194546c827246d5e2b9026bd8afd82

    SHA1

    45f92f825dea5e2ff350e6f5b6cdf58ca92f559a

    SHA256

    eac21c69bee39ee17252ca5d45e18951df7cff669b4af347567c9d894c672d12

    SHA512

    bf136ca203034a1355e42ac95486b477001eb88a540eb3f116ecbfdd925c98a1cbdd2d0af428d8c5742908fd6da8b33b666fb8c62e5fdb6322924612af21193f

  • C:\Users\Admin\AppData\Roaming\ApplicationFrameHost.exe

    Filesize

    28KB

    MD5

    7a194546c827246d5e2b9026bd8afd82

    SHA1

    45f92f825dea5e2ff350e6f5b6cdf58ca92f559a

    SHA256

    eac21c69bee39ee17252ca5d45e18951df7cff669b4af347567c9d894c672d12

    SHA512

    bf136ca203034a1355e42ac95486b477001eb88a540eb3f116ecbfdd925c98a1cbdd2d0af428d8c5742908fd6da8b33b666fb8c62e5fdb6322924612af21193f

  • C:\Users\Admin\AppData\Roaming\ApplicationFrameHost.exe

    Filesize

    28KB

    MD5

    7a194546c827246d5e2b9026bd8afd82

    SHA1

    45f92f825dea5e2ff350e6f5b6cdf58ca92f559a

    SHA256

    eac21c69bee39ee17252ca5d45e18951df7cff669b4af347567c9d894c672d12

    SHA512

    bf136ca203034a1355e42ac95486b477001eb88a540eb3f116ecbfdd925c98a1cbdd2d0af428d8c5742908fd6da8b33b666fb8c62e5fdb6322924612af21193f

  • memory/432-138-0x0000000000BD0000-0x0000000000BDC000-memory.dmp

    Filesize

    48KB

  • memory/432-139-0x0000000005490000-0x000000000552C000-memory.dmp

    Filesize

    624KB

  • memory/432-140-0x0000000002F80000-0x0000000002FE6000-memory.dmp

    Filesize

    408KB

  • memory/432-141-0x00000000061F0000-0x0000000006794000-memory.dmp

    Filesize

    5.6MB

  • memory/432-133-0x0000000000000000-mapping.dmp

  • memory/1476-142-0x0000000000000000-mapping.dmp

  • memory/2104-137-0x00007FFA12860000-0x00007FFA13321000-memory.dmp

    Filesize

    10.8MB

  • memory/2104-132-0x00000000006F0000-0x0000000000700000-memory.dmp

    Filesize

    64KB

  • memory/2104-136-0x00007FFA12860000-0x00007FFA13321000-memory.dmp

    Filesize

    10.8MB

  • memory/4900-143-0x0000000000000000-mapping.dmp