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Analysis

  • max time kernel
    115s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/12/2024, 18:45

General

  • Target

    8043bf9fe3d8a895be40724055b8747f289a59422feabaad073d9e25ddee306bN.exe

  • Size

    92KB

  • MD5

    2ceecd1d7a7f49ccc44aaeca1aaddc90

  • SHA1

    a86faa77b7a4abafa84a47aab6c77558ddf08adf

  • SHA256

    8043bf9fe3d8a895be40724055b8747f289a59422feabaad073d9e25ddee306b

  • SHA512

    2a36fd037d825c0f1f96da88a46b046f705e333567efab6706667a9c71b6a48b0a97429001a195eb2d75353cca1c79ba2eaba2d426d55ff52287b3346ac008d5

  • SSDEEP

    1536:TJbCiJVkgMaT2itTkjoRXnM48dXFajVPYxCEtkz30rtrZ:9bfVk29te2jqxCEtg30B9

Malware Config

Extracted

Family

sakula

C2

www.savmpet.com

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula family
  • Sakula payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 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).

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • 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\8043bf9fe3d8a895be40724055b8747f289a59422feabaad073d9e25ddee306bN.exe
    "C:\Users\Admin\AppData\Local\Temp\8043bf9fe3d8a895be40724055b8747f289a59422feabaad073d9e25ddee306bN.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4928
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4420
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\8043bf9fe3d8a895be40724055b8747f289a59422feabaad073d9e25ddee306bN.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:760
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:4416

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    92KB

    MD5

    4bf0266b152d9b9269b83857ea1b5ee0

    SHA1

    1ede9f352fa891cb1155b7ab02a48b4ae598ecd1

    SHA256

    331f6f267d0b4dc65ba387c0616c9de36ea5e64e7c0ad2cf8141b0fd1c917097

    SHA512

    b8a8a11fc4c6bfaa1dfd08cd0d9da38c87977c174284f58a932176b32b718fd4b676f3986f543a3bbc1a30e7307c525aacb71af34e93a77ba04ac8d20f77d2de