Analysis

  • max time kernel
    159s
  • max time network
    175s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2022 10:02

General

  • Target

    833a95cdebc253a577d61edf6e4aef6873bde45774d4f25256aad1739757dbd7.exe

  • Size

    3.4MB

  • MD5

    b4fe4d2ea25842e9e9bb863d330f49ab

  • SHA1

    32f87e90e1ed0362bd2b8bf2d852c53005adc664

  • SHA256

    833a95cdebc253a577d61edf6e4aef6873bde45774d4f25256aad1739757dbd7

  • SHA512

    430cd1cdce7bc8f44094f1c642f16c5578c1d16dcbcb3feed24bc34cc469a9a63bb6c6ed71e4f9ebaf339b8a67c0f52b9fde74e35415d4ae86313b2e5f2c8952

  • SSDEEP

    49152:nj3vbky6xLIy2volN4mVppF4DhbTghyZGEy7rCX26Th1JO0DYpHRKMJnoYEAp7m5:jfbWRdzONbTghIGLfCmY80E5noYE7

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • VMProtect packed file 4 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 2 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.

  • Kills process with taskkill 1 IoCs
  • Modifies registry key 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\833a95cdebc253a577d61edf6e4aef6873bde45774d4f25256aad1739757dbd7.exe
    "C:\Users\Admin\AppData\Local\Temp\833a95cdebc253a577d61edf6e4aef6873bde45774d4f25256aad1739757dbd7.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3928
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /F /IM CompPkgSup.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3396
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /F /IM CompPkgSup.exe
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1408
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ATTRIB +h +s C:\ProgramData\ComponentUpdater
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3272
      • C:\Windows\SysWOW64\attrib.exe
        ATTRIB +h +s C:\ProgramData\ComponentUpdater
        3⤵
        • Views/modifies file attributes
        PID:4724
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ATTRIB +h +s C:\ProgramData\ComponentUpdater\CompPkgSup.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3192
      • C:\Windows\SysWOW64\attrib.exe
        ATTRIB +h +s C:\ProgramData\ComponentUpdater\CompPkgSup.exe
        3⤵
        • Views/modifies file attributes
        PID:4136
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /sc MINUTE /mo 1 /tn "PackagesSupport" /tr "C:\ProgramData\ComponentUpdater\CompPkgSup.exe" /f
      2⤵
      • Creates scheduled task(s)
      PID:5084
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c reg add HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v "PackagesSupport" /d "C:\ProgramData\ComponentUpdater\CompPkgSup.exe" /f
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:220
      • C:\Windows\SysWOW64\reg.exe
        reg add HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v "PackagesSupport" /d "C:\ProgramData\ComponentUpdater\CompPkgSup.exe" /f
        3⤵
        • Adds Run key to start application
        • Modifies registry key
        PID:3648
  • C:\ProgramData\ComponentUpdater\CompPkgSup.exe
    C:\ProgramData\ComponentUpdater\CompPkgSup.exe
    1⤵
    • Executes dropped EXE
    PID:3384

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Hidden Files and Directories

1
T1158

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

2
T1112

Hidden Files and Directories

1
T1158

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\ComponentUpdater\CompPkgSup.exe
    Filesize

    3.4MB

    MD5

    b4fe4d2ea25842e9e9bb863d330f49ab

    SHA1

    32f87e90e1ed0362bd2b8bf2d852c53005adc664

    SHA256

    833a95cdebc253a577d61edf6e4aef6873bde45774d4f25256aad1739757dbd7

    SHA512

    430cd1cdce7bc8f44094f1c642f16c5578c1d16dcbcb3feed24bc34cc469a9a63bb6c6ed71e4f9ebaf339b8a67c0f52b9fde74e35415d4ae86313b2e5f2c8952

  • C:\ProgramData\ComponentUpdater\CompPkgSup.exe
    Filesize

    3.4MB

    MD5

    b4fe4d2ea25842e9e9bb863d330f49ab

    SHA1

    32f87e90e1ed0362bd2b8bf2d852c53005adc664

    SHA256

    833a95cdebc253a577d61edf6e4aef6873bde45774d4f25256aad1739757dbd7

    SHA512

    430cd1cdce7bc8f44094f1c642f16c5578c1d16dcbcb3feed24bc34cc469a9a63bb6c6ed71e4f9ebaf339b8a67c0f52b9fde74e35415d4ae86313b2e5f2c8952

  • memory/220-140-0x0000000000000000-mapping.dmp
  • memory/1408-136-0x0000000000000000-mapping.dmp
  • memory/3192-138-0x0000000000000000-mapping.dmp
  • memory/3272-137-0x0000000000000000-mapping.dmp
  • memory/3384-146-0x0000000000320000-0x0000000000828000-memory.dmp
    Filesize

    5.0MB

  • memory/3396-135-0x0000000000000000-mapping.dmp
  • memory/3648-144-0x0000000000000000-mapping.dmp
  • memory/3928-132-0x00000000007C0000-0x0000000000CC8000-memory.dmp
    Filesize

    5.0MB

  • memory/4136-141-0x0000000000000000-mapping.dmp
  • memory/4724-142-0x0000000000000000-mapping.dmp
  • memory/5084-139-0x0000000000000000-mapping.dmp