Analysis

  • max time kernel
    139s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    04-06-2022 16:21

General

  • Target

    80674a5bf3e9e2005bbae5d5e1ff0071b00ee6a2436c282cb94ff3ce56a9d906.exe

  • Size

    324KB

  • MD5

    0f3705fef1ba5a9cf4e8c77def7baec9

  • SHA1

    614c5b3ac3f03f8566d7815f4e143826b1d4d402

  • SHA256

    80674a5bf3e9e2005bbae5d5e1ff0071b00ee6a2436c282cb94ff3ce56a9d906

  • SHA512

    48206e4978ef1083f40e28d66c069f1f14ad2d36fbb9abe464eff2bd25cbc643dc406601afa4bb88aa07dd92e390c95a2cedcec31d0cb6a0bc2ca24ce081e64e

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\80674a5bf3e9e2005bbae5d5e1ff0071b00ee6a2436c282cb94ff3ce56a9d906.exe
    "C:\Users\Admin\AppData\Local\Temp\80674a5bf3e9e2005bbae5d5e1ff0071b00ee6a2436c282cb94ff3ce56a9d906.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1164
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:3844
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\80674a5bf3e9e2005bbae5d5e1ff0071b00ee6a2436c282cb94ff3ce56a9d906.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4296
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:4164

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

    324KB

    MD5

    991267725d054100133f85ebddcf4182

    SHA1

    e544ea7f66f1c5c27398b0de2dceec8ebeee3ac5

    SHA256

    1b524800e7719924443865422e4771da51f10754136d35de61028f4fdc14fe90

    SHA512

    ec2e0eafa6234ea278b02f34abe6e3b19e8e163a84327874cace226d8ed8742a94b5b7ed4bbf0cc3a84d5a9dd00867193d6778c0e34003643a36e6e14dc4b824

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

    324KB

    MD5

    991267725d054100133f85ebddcf4182

    SHA1

    e544ea7f66f1c5c27398b0de2dceec8ebeee3ac5

    SHA256

    1b524800e7719924443865422e4771da51f10754136d35de61028f4fdc14fe90

    SHA512

    ec2e0eafa6234ea278b02f34abe6e3b19e8e163a84327874cace226d8ed8742a94b5b7ed4bbf0cc3a84d5a9dd00867193d6778c0e34003643a36e6e14dc4b824

  • memory/3844-130-0x0000000000000000-mapping.dmp
  • memory/4164-134-0x0000000000000000-mapping.dmp
  • memory/4296-133-0x0000000000000000-mapping.dmp