Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-06-2023 01:49

General

  • Target

    868448f6c06d672fd544f64ae73ca4b1fe8403af947b870edd99ff842c02c59d.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 58 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\868448f6c06d672fd544f64ae73ca4b1fe8403af947b870edd99ff842c02c59d.exe
    "C:\Users\Admin\AppData\Local\Temp\868448f6c06d672fd544f64ae73ca4b1fe8403af947b870edd99ff842c02c59d.exe"
    1⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1340
    • C:\Windows\SYSTEM32\TASKKILL.exe
      TASKKILL /F /IM wscript.exe
      2⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:3680
    • C:\Windows\SYSTEM32\TASKKILL.exe
      TASKKILL /F /IM cmd.exe
      2⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:1128
    • 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:3584
      • C:\Windows\SYSTEM32\TASKKILL.exe
        TASKKILL /F /IM cmd.exe
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1840
      • C:\Windows\SYSTEM32\TASKKILL.exe
        TASKKILL /F /IM wscript.exe
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1164
      • C:\Windows\SYSTEM32\attrib.exe
        attrib +h "C:\ProgramData\Runtime Broker.exe"
        3⤵
        • Views/modifies file attributes
        PID:3768
      • C:\Windows\SYSTEM32\attrib.exe
        attrib +h "C:\ProgramData\Runtime Broker.exe"
        3⤵
        • Views/modifies file attributes
        PID:760
      • C:\Windows\SYSTEM32\attrib.exe
        attrib +h "C:\ProgramData\Runtime Broker.exe"
        3⤵
        • Views/modifies file attributes
        PID:4892
      • C:\Windows\SYSTEM32\attrib.exe
        attrib +h "C:\ProgramData\Runtime Broker.exe"
        3⤵
        • Views/modifies file attributes
        PID:4684
      • C:\Windows\SYSTEM32\attrib.exe
        attrib +h "C:\ProgramData\Runtime Broker.exe"
        3⤵
        • Views/modifies file attributes
        PID:1792
      • C:\Windows\SYSTEM32\attrib.exe
        attrib +h "C:\ProgramData\Runtime Broker.exe"
        3⤵
        • Views/modifies file attributes
        PID:3832
      • C:\Windows\SYSTEM32\attrib.exe
        attrib +h "C:\ProgramData\Runtime Broker.exe"
        3⤵
        • Views/modifies file attributes
        PID:1116
      • C:\Windows\SYSTEM32\attrib.exe
        attrib +h "C:\ProgramData\Runtime Broker.exe"
        3⤵
        • Views/modifies file attributes
        PID:1348
      • C:\Windows\SYSTEM32\attrib.exe
        attrib +h "C:\ProgramData\Runtime Broker.exe"
        3⤵
        • Views/modifies file attributes
        PID:4268
      • C:\Windows\SYSTEM32\attrib.exe
        attrib +h "C:\ProgramData\Runtime Broker.exe"
        3⤵
        • Views/modifies file attributes
        PID:1176
      • C:\Windows\SYSTEM32\attrib.exe
        attrib +h "C:\ProgramData\Runtime Broker.exe"
        3⤵
        • Views/modifies file attributes
        PID:452
      • C:\Windows\SYSTEM32\attrib.exe
        attrib +h "C:\ProgramData\Runtime Broker.exe"
        3⤵
        • Views/modifies file attributes
        PID:1416
      • C:\Windows\SYSTEM32\attrib.exe
        attrib +h "C:\ProgramData\Runtime Broker.exe"
        3⤵
        • Views/modifies file attributes
        PID:3604
      • C:\Windows\SYSTEM32\attrib.exe
        attrib +h "C:\ProgramData\Runtime Broker.exe"
        3⤵
        • Views/modifies file attributes
        PID:3932
      • C:\Windows\SYSTEM32\attrib.exe
        attrib +h "C:\ProgramData\Runtime Broker.exe"
        3⤵
        • Views/modifies file attributes
        PID:3040
      • C:\Windows\SYSTEM32\attrib.exe
        attrib +h "C:\ProgramData\Runtime Broker.exe"
        3⤵
        • Views/modifies file attributes
        PID:1180
      • C:\Windows\SYSTEM32\attrib.exe
        attrib +h "C:\ProgramData\Runtime Broker.exe"
        3⤵
        • Views/modifies file attributes
        PID:1988
      • C:\Windows\SYSTEM32\attrib.exe
        attrib +h "C:\ProgramData\Runtime Broker.exe"
        3⤵
        • Views/modifies file attributes
        PID:4476
      • C:\Windows\SYSTEM32\attrib.exe
        attrib +h "C:\ProgramData\Runtime Broker.exe"
        3⤵
        • Views/modifies file attributes
        PID:2088
      • C:\Windows\SYSTEM32\attrib.exe
        attrib +h "C:\ProgramData\Runtime Broker.exe"
        3⤵
        • Views/modifies file attributes
        PID:4328
      • C:\Windows\SYSTEM32\attrib.exe
        attrib +h "C:\ProgramData\Runtime Broker.exe"
        3⤵
        • Views/modifies file attributes
        PID:3440
      • C:\Windows\SYSTEM32\attrib.exe
        attrib +h "C:\ProgramData\Runtime Broker.exe"
        3⤵
        • Views/modifies file attributes
        PID:1788
      • C:\Windows\SYSTEM32\attrib.exe
        attrib +h "C:\ProgramData\Runtime Broker.exe"
        3⤵
        • Views/modifies file attributes
        PID:4984
      • C:\Windows\SYSTEM32\attrib.exe
        attrib +h "C:\ProgramData\Runtime Broker.exe"
        3⤵
        • Views/modifies file attributes
        PID:5024
      • C:\Windows\SYSTEM32\attrib.exe
        attrib +h "C:\ProgramData\Runtime Broker.exe"
        3⤵
        • Views/modifies file attributes
        PID:3336
      • C:\Windows\SYSTEM32\attrib.exe
        attrib +h "C:\ProgramData\Runtime Broker.exe"
        3⤵
        • Views/modifies file attributes
        PID:4204
      • C:\Windows\SYSTEM32\attrib.exe
        attrib +h "C:\ProgramData\Runtime Broker.exe"
        3⤵
        • Views/modifies file attributes
        PID:4492
      • C:\Windows\SYSTEM32\attrib.exe
        attrib +h "C:\ProgramData\Runtime Broker.exe"
        3⤵
        • Views/modifies file attributes
        PID:3692
    • 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\868448f6c06d672fd544f64ae73ca4b1fe8403af947b870edd99ff842c02c59d.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2520
      • C:\Windows\system32\choice.exe
        choice /C Y /N /D Y /T 5
        3⤵
          PID:400

    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/1340-133-0x0000000000A90000-0x0000000000AC4000-memory.dmp
      Filesize

      208KB

    • memory/1340-136-0x000000001B7B0000-0x000000001B7C0000-memory.dmp
      Filesize

      64KB

    • memory/3584-153-0x000000001B440000-0x000000001B450000-memory.dmp
      Filesize

      64KB

    • memory/3584-149-0x000000001B440000-0x000000001B450000-memory.dmp
      Filesize

      64KB

    • memory/3584-154-0x000000001B440000-0x000000001B450000-memory.dmp
      Filesize

      64KB

    • memory/3584-155-0x000000001B440000-0x000000001B450000-memory.dmp
      Filesize

      64KB

    • memory/3584-156-0x000000001B440000-0x000000001B450000-memory.dmp
      Filesize

      64KB

    • memory/3584-157-0x000000001B440000-0x000000001B450000-memory.dmp
      Filesize

      64KB

    • memory/3584-158-0x000000001B440000-0x000000001B450000-memory.dmp
      Filesize

      64KB

    • memory/3584-159-0x000000001B440000-0x000000001B450000-memory.dmp
      Filesize

      64KB