Analysis

  • max time kernel
    145s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-10-2022 16:33

General

  • Target

    82334fde2fa92edf636d8885d542627f98aa326cf50df9b0f124229d8d857b11.exe

  • Size

    89KB

  • MD5

    3cae1b420842e5bc4098dffac0dd44fa

  • SHA1

    321be89ffb70aa7c4cccfdb80df413b1c76c2230

  • SHA256

    82334fde2fa92edf636d8885d542627f98aa326cf50df9b0f124229d8d857b11

  • SHA512

    838f25841dc233671dd007b94c871ef0bb42b6efff66ecf4a079e9cd406ecbc228fe4050702f14224d4d46e50905f6fab9a6e02f35c7904bc8f74563c8e2d1c8

  • SSDEEP

    1536:voaj1hJL1S9t0MIeboal8bCKxo7h0RP0jwHVz30rtroWuxzug:Q0hpgz6xGhTjwHN30BE3D

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula payload 2 IoCs
  • Executes dropped EXE 1 IoCs
  • 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 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\82334fde2fa92edf636d8885d542627f98aa326cf50df9b0f124229d8d857b11.exe
    "C:\Users\Admin\AppData\Local\Temp\82334fde2fa92edf636d8885d542627f98aa326cf50df9b0f124229d8d857b11.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5008
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:4792
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\82334fde2fa92edf636d8885d542627f98aa326cf50df9b0f124229d8d857b11.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2836
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:4492

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Remote System Discovery

1
T1018

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
    Filesize

    89KB

    MD5

    727665c7349d6cff3367b40d2e23163c

    SHA1

    ecc90f7722cbff9a5d674e3cb20bf0c1e7a05a5b

    SHA256

    63335ee7068a4ec5844eb9806ab98452ad57d94a096cfa4c08fac9787a7ee4b5

    SHA512

    8647c9c536c0e221c633836964e268e4102535ae8f6fcace3f69baeb30a423c303667f94d32f4351b8fddefa80414e523d703a118824396f0ba3f51f2536c8c3

  • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
    Filesize

    89KB

    MD5

    727665c7349d6cff3367b40d2e23163c

    SHA1

    ecc90f7722cbff9a5d674e3cb20bf0c1e7a05a5b

    SHA256

    63335ee7068a4ec5844eb9806ab98452ad57d94a096cfa4c08fac9787a7ee4b5

    SHA512

    8647c9c536c0e221c633836964e268e4102535ae8f6fcace3f69baeb30a423c303667f94d32f4351b8fddefa80414e523d703a118824396f0ba3f51f2536c8c3

  • memory/2836-135-0x0000000000000000-mapping.dmp
  • memory/4492-136-0x0000000000000000-mapping.dmp
  • memory/4792-132-0x0000000000000000-mapping.dmp