Analysis

  • max time kernel
    4294196s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20220310-en
  • submitted
    23-03-2022 09:33

General

  • Target

    9e975ba0e67a3a13556a92152af9d9d7b1443aebde4332c54b63bb8e05ae3a0e.exe

  • Size

    104KB

  • MD5

    49462ddd5d404f016ff2f73e163ac899

  • SHA1

    c1b974717bcab23cbc45ede0dca54ba2022afa00

  • SHA256

    9e975ba0e67a3a13556a92152af9d9d7b1443aebde4332c54b63bb8e05ae3a0e

  • SHA512

    357a65dfbc834c6ef24bf6625573652b7496cdb7779086727401297b481f18a33f27efa6b76ecbe1cb5cca3e536fae847501c85eb50d208a52faf10574ddc071

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula Payload 3 IoCs
  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 IoCs
  • 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 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9e975ba0e67a3a13556a92152af9d9d7b1443aebde4332c54b63bb8e05ae3a0e.exe
    "C:\Users\Admin\AppData\Local\Temp\9e975ba0e67a3a13556a92152af9d9d7b1443aebde4332c54b63bb8e05ae3a0e.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:856
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:1960
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\9e975ba0e67a3a13556a92152af9d9d7b1443aebde4332c54b63bb8e05ae3a0e.exe"
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1548
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:556

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Remote System Discovery

1
T1018

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
    MD5

    56d8cbefa3586bf8475a689dd4b1cd0f

    SHA1

    303d63e77cc792cf602f21f403e97823bbc7669d

    SHA256

    7372099220b2d6e9b6735fbfe14a03716616dd5c76111e3762bcbf9713104569

    SHA512

    367d543c43165471e18a3afde4b1e4d69867f548e83fe795271995379e147a587ee11d7f4002dcfb8f6299f9d305e89b21ee37fe0be50a31f8893982316472a5

  • \Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
    MD5

    56d8cbefa3586bf8475a689dd4b1cd0f

    SHA1

    303d63e77cc792cf602f21f403e97823bbc7669d

    SHA256

    7372099220b2d6e9b6735fbfe14a03716616dd5c76111e3762bcbf9713104569

    SHA512

    367d543c43165471e18a3afde4b1e4d69867f548e83fe795271995379e147a587ee11d7f4002dcfb8f6299f9d305e89b21ee37fe0be50a31f8893982316472a5

  • \Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
    MD5

    56d8cbefa3586bf8475a689dd4b1cd0f

    SHA1

    303d63e77cc792cf602f21f403e97823bbc7669d

    SHA256

    7372099220b2d6e9b6735fbfe14a03716616dd5c76111e3762bcbf9713104569

    SHA512

    367d543c43165471e18a3afde4b1e4d69867f548e83fe795271995379e147a587ee11d7f4002dcfb8f6299f9d305e89b21ee37fe0be50a31f8893982316472a5

  • memory/556-61-0x0000000000000000-mapping.dmp
  • memory/856-54-0x0000000075CA1000-0x0000000075CA3000-memory.dmp
    Filesize

    8KB

  • memory/1548-60-0x0000000000000000-mapping.dmp
  • memory/1960-57-0x0000000000000000-mapping.dmp