Analysis

  • max time kernel
    147s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    23-05-2022 23:43

General

  • Target

    c99d475a1d153a4e46829fa4c1cfebeb7ac73c3a5723d873fb5ff80ad32903b2.exe

  • Size

    17KB

  • MD5

    df66356151d4671e06f88a44b4c28dd3

  • SHA1

    015f855ae32785eb9ea8ad1ecf252e3b6efaf88a

  • SHA256

    c99d475a1d153a4e46829fa4c1cfebeb7ac73c3a5723d873fb5ff80ad32903b2

  • SHA512

    bde5b8f19acca1dbec8516bfc9391173edad64315a8277c454e296807a2fae7cafdc644707e082c5f984e546893f6220651895665b4f0489aeb565457e0e4a83

Malware Config

Extracted

Family

revengerat

Botnet

M939

C2

landbo.ddns.net:2772

Mutex

RV_MUTEX-JRMSltdcKeYu

Signatures

  • RevengeRAT

    Remote-access trojan with a wide range of capabilities.

  • RevengeRat Executable 2 IoCs
  • Executes dropped EXE 1 IoCs
  • 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c99d475a1d153a4e46829fa4c1cfebeb7ac73c3a5723d873fb5ff80ad32903b2.exe
    "C:\Users\Admin\AppData\Local\Temp\c99d475a1d153a4e46829fa4c1cfebeb7ac73c3a5723d873fb5ff80ad32903b2.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1664
    • C:\Users\Admin\AppData\Roaming\hlak.exe
      "C:\Users\Admin\AppData\Roaming\hlak.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1968
      • C:\Windows\system32\schtasks.exe
        schtasks /create /sc minute /mo 5 /tn "hort" /tr "C:\Users\Admin\AppData\Roaming\hlak.exe"
        3⤵
        • Creates scheduled task(s)
        PID:1208

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    17KB

    MD5

    df66356151d4671e06f88a44b4c28dd3

    SHA1

    015f855ae32785eb9ea8ad1ecf252e3b6efaf88a

    SHA256

    c99d475a1d153a4e46829fa4c1cfebeb7ac73c3a5723d873fb5ff80ad32903b2

    SHA512

    bde5b8f19acca1dbec8516bfc9391173edad64315a8277c454e296807a2fae7cafdc644707e082c5f984e546893f6220651895665b4f0489aeb565457e0e4a83

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

    Filesize

    17KB

    MD5

    df66356151d4671e06f88a44b4c28dd3

    SHA1

    015f855ae32785eb9ea8ad1ecf252e3b6efaf88a

    SHA256

    c99d475a1d153a4e46829fa4c1cfebeb7ac73c3a5723d873fb5ff80ad32903b2

    SHA512

    bde5b8f19acca1dbec8516bfc9391173edad64315a8277c454e296807a2fae7cafdc644707e082c5f984e546893f6220651895665b4f0489aeb565457e0e4a83

  • memory/1208-60-0x0000000000000000-mapping.dmp

  • memory/1664-54-0x000007FEF37B0000-0x000007FEF4846000-memory.dmp

    Filesize

    16.6MB

  • memory/1664-55-0x000007FEFC1F1000-0x000007FEFC1F3000-memory.dmp

    Filesize

    8KB

  • memory/1968-59-0x000007FEF3300000-0x000007FEF4396000-memory.dmp

    Filesize

    16.6MB

  • memory/1968-56-0x0000000000000000-mapping.dmp