Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-06-2023 18:01

General

  • Target

    868448F6C06D672FD544F64AE73CA4B1FE8403AF947B8.exe

  • Size

    180KB

  • MD5

    4f333b5a74e464d8fd46fe49bedc760e

  • SHA1

    110588bfa2559e700564af03db5cf851be5ac3d3

  • SHA256

    868448f6c06d672fd544f64ae73ca4b1fe8403af947b870edd99ff842c02c59d

  • SHA512

    5ea9dbfae7dcf16f38aa0b064dd51cb7f6d398d5bb38b0877e9c7bf6b676151c01828c030d9d2f03707366651a66a3df39985aea43528baea55e79e83f784baf

  • SSDEEP

    3072:AK3fycY2pTpIb42etB/RpH5pXZOaXqmmgDXnkUrsK0GEx4FvPA+LjpgKab8iPt9G:9r9GE7PH3XZ84kUuVxG7Hpg3f9dO+

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 3 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Drops file in System32 directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Kills process with taskkill 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 54 IoCs
  • Suspicious use of AdjustPrivilegeToken 38 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Views/modifies file attributes 1 TTPs 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\868448F6C06D672FD544F64AE73CA4B1FE8403AF947B8.exe
    "C:\Users\Admin\AppData\Local\Temp\868448F6C06D672FD544F64AE73CA4B1FE8403AF947B8.exe"
    1⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4816
    • C:\Windows\SYSTEM32\TASKKILL.exe
      TASKKILL /F /IM wscript.exe
      2⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:4888
    • C:\Windows\SYSTEM32\TASKKILL.exe
      TASKKILL /F /IM cmd.exe
      2⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:3348
    • C:\ProgramData\Runtime Broker.exe
      "C:\ProgramData\Runtime Broker.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:568
      • C:\Windows\SYSTEM32\TASKKILL.exe
        TASKKILL /F /IM wscript.exe
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:820
      • C:\Windows\SYSTEM32\TASKKILL.exe
        TASKKILL /F /IM cmd.exe
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:3684
      • C:\Windows\SYSTEM32\attrib.exe
        attrib +h "C:\ProgramData\Runtime Broker.exe"
        3⤵
        • Views/modifies file attributes
        PID:2484
      • C:\Windows\SYSTEM32\attrib.exe
        attrib +h "C:\ProgramData\Runtime Broker.exe"
        3⤵
        • Views/modifies file attributes
        PID:3216
      • C:\Windows\SYSTEM32\attrib.exe
        attrib +h "C:\ProgramData\Runtime Broker.exe"
        3⤵
        • Views/modifies file attributes
        PID:2604
      • C:\Windows\SYSTEM32\attrib.exe
        attrib +h "C:\ProgramData\Runtime Broker.exe"
        3⤵
        • Views/modifies file attributes
        PID:3320
      • C:\Windows\SYSTEM32\attrib.exe
        attrib +h "C:\ProgramData\Runtime Broker.exe"
        3⤵
        • Views/modifies file attributes
        PID:4460
      • C:\Windows\SYSTEM32\attrib.exe
        attrib +h "C:\ProgramData\Runtime Broker.exe"
        3⤵
        • Views/modifies file attributes
        PID:2616
      • C:\Windows\SYSTEM32\attrib.exe
        attrib +h "C:\ProgramData\Runtime Broker.exe"
        3⤵
        • Views/modifies file attributes
        PID:2248
      • C:\Windows\SYSTEM32\attrib.exe
        attrib +h "C:\ProgramData\Runtime Broker.exe"
        3⤵
        • Views/modifies file attributes
        PID:2144
      • C:\Windows\SYSTEM32\attrib.exe
        attrib +h "C:\ProgramData\Runtime Broker.exe"
        3⤵
        • Views/modifies file attributes
        PID:4904
      • C:\Windows\SYSTEM32\attrib.exe
        attrib +h "C:\ProgramData\Runtime Broker.exe"
        3⤵
        • Views/modifies file attributes
        PID:4864
      • C:\Windows\SYSTEM32\attrib.exe
        attrib +h "C:\ProgramData\Runtime Broker.exe"
        3⤵
        • Views/modifies file attributes
        PID:2184
      • C:\Windows\SYSTEM32\attrib.exe
        attrib +h "C:\ProgramData\Runtime Broker.exe"
        3⤵
        • Views/modifies file attributes
        PID:60
      • C:\Windows\SYSTEM32\attrib.exe
        attrib +h "C:\ProgramData\Runtime Broker.exe"
        3⤵
        • Views/modifies file attributes
        PID:4376
      • C:\Windows\SYSTEM32\attrib.exe
        attrib +h "C:\ProgramData\Runtime Broker.exe"
        3⤵
        • Views/modifies file attributes
        PID:2748
      • C:\Windows\SYSTEM32\attrib.exe
        attrib +h "C:\ProgramData\Runtime Broker.exe"
        3⤵
        • Views/modifies file attributes
        PID:936
      • C:\Windows\SYSTEM32\attrib.exe
        attrib +h "C:\ProgramData\Runtime Broker.exe"
        3⤵
        • Views/modifies file attributes
        PID:852
      • C:\Windows\SYSTEM32\attrib.exe
        attrib +h "C:\ProgramData\Runtime Broker.exe"
        3⤵
        • Views/modifies file attributes
        PID:4876
      • C:\Windows\SYSTEM32\attrib.exe
        attrib +h "C:\ProgramData\Runtime Broker.exe"
        3⤵
        • Views/modifies file attributes
        PID:4704
      • C:\Windows\SYSTEM32\attrib.exe
        attrib +h "C:\ProgramData\Runtime Broker.exe"
        3⤵
        • Views/modifies file attributes
        PID:3212
      • C:\Windows\SYSTEM32\attrib.exe
        attrib +h "C:\ProgramData\Runtime Broker.exe"
        3⤵
        • Views/modifies file attributes
        PID:3380
      • C:\Windows\SYSTEM32\attrib.exe
        attrib +h "C:\ProgramData\Runtime Broker.exe"
        3⤵
        • Views/modifies file attributes
        PID:2956
      • C:\Windows\SYSTEM32\attrib.exe
        attrib +h "C:\ProgramData\Runtime Broker.exe"
        3⤵
        • Views/modifies file attributes
        PID:4804
      • C:\Windows\SYSTEM32\attrib.exe
        attrib +h "C:\ProgramData\Runtime Broker.exe"
        3⤵
        • Views/modifies file attributes
        PID:3168
      • C:\Windows\SYSTEM32\attrib.exe
        attrib +h "C:\ProgramData\Runtime Broker.exe"
        3⤵
        • Views/modifies file attributes
        PID:3224
      • C:\Windows\SYSTEM32\attrib.exe
        attrib +h "C:\ProgramData\Runtime Broker.exe"
        3⤵
        • Views/modifies file attributes
        PID:4064
      • C:\Windows\SYSTEM32\attrib.exe
        attrib +h "C:\ProgramData\Runtime Broker.exe"
        3⤵
        • Views/modifies file attributes
        PID:180
      • C:\Windows\SYSTEM32\attrib.exe
        attrib +h "C:\ProgramData\Runtime Broker.exe"
        3⤵
        • Views/modifies file attributes
        PID:3476
      • C:\Windows\SYSTEM32\attrib.exe
        attrib +h "C:\ProgramData\Runtime Broker.exe"
        3⤵
        • Views/modifies file attributes
        PID:1676
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 5 & Del "C:\Users\Admin\AppData\Local\Temp\868448F6C06D672FD544F64AE73CA4B1FE8403AF947B8.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3544
      • C:\Windows\system32\choice.exe
        choice /C Y /N /D Y /T 5
        3⤵
          PID:4976

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Hidden Files and Directories

    1
    T1158

    Defense Evasion

    Modify Registry

    1
    T1112

    Hidden Files and Directories

    1
    T1158

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    Command and Control

    Web Service

    1
    T1102

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\Runtime Broker.exe
      Filesize

      180KB

      MD5

      4f333b5a74e464d8fd46fe49bedc760e

      SHA1

      110588bfa2559e700564af03db5cf851be5ac3d3

      SHA256

      868448f6c06d672fd544f64ae73ca4b1fe8403af947b870edd99ff842c02c59d

      SHA512

      5ea9dbfae7dcf16f38aa0b064dd51cb7f6d398d5bb38b0877e9c7bf6b676151c01828c030d9d2f03707366651a66a3df39985aea43528baea55e79e83f784baf

    • C:\ProgramData\Runtime Broker.exe
      Filesize

      180KB

      MD5

      4f333b5a74e464d8fd46fe49bedc760e

      SHA1

      110588bfa2559e700564af03db5cf851be5ac3d3

      SHA256

      868448f6c06d672fd544f64ae73ca4b1fe8403af947b870edd99ff842c02c59d

      SHA512

      5ea9dbfae7dcf16f38aa0b064dd51cb7f6d398d5bb38b0877e9c7bf6b676151c01828c030d9d2f03707366651a66a3df39985aea43528baea55e79e83f784baf

    • C:\ProgramData\Runtime Broker.exe
      Filesize

      180KB

      MD5

      4f333b5a74e464d8fd46fe49bedc760e

      SHA1

      110588bfa2559e700564af03db5cf851be5ac3d3

      SHA256

      868448f6c06d672fd544f64ae73ca4b1fe8403af947b870edd99ff842c02c59d

      SHA512

      5ea9dbfae7dcf16f38aa0b064dd51cb7f6d398d5bb38b0877e9c7bf6b676151c01828c030d9d2f03707366651a66a3df39985aea43528baea55e79e83f784baf

    • memory/568-149-0x000000001AD80000-0x000000001AD90000-memory.dmp
      Filesize

      64KB

    • memory/568-153-0x000000001AD80000-0x000000001AD90000-memory.dmp
      Filesize

      64KB

    • memory/568-154-0x000000001AD80000-0x000000001AD90000-memory.dmp
      Filesize

      64KB

    • memory/568-155-0x000000001AD80000-0x000000001AD90000-memory.dmp
      Filesize

      64KB

    • memory/568-156-0x000000001AD80000-0x000000001AD90000-memory.dmp
      Filesize

      64KB

    • memory/568-157-0x000000001AD80000-0x000000001AD90000-memory.dmp
      Filesize

      64KB

    • memory/4816-133-0x0000000000E90000-0x0000000000EC4000-memory.dmp
      Filesize

      208KB

    • memory/4816-134-0x0000000001420000-0x0000000001430000-memory.dmp
      Filesize

      64KB