Analysis

  • max time kernel
    110s
  • max time network
    106s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-07-2024 19:06

General

  • Target

    44aff363646429325be5c3f8745a6750N.exe

  • Size

    39KB

  • MD5

    44aff363646429325be5c3f8745a6750

  • SHA1

    3d998719e90454331751c4057908862c876d8701

  • SHA256

    bb98ae1ad2131bd43ea983a32c7f95d7a17a647ab5b143aa2143e1eefd8fb682

  • SHA512

    d2161979a58c5f9bce92f28593522ea9c0db3cbc997780bc053117cced568b1d4db42c276a2b61607e8fa5dfa249bceaaee3f87fdc4142a4524cd99a26606ab0

  • SSDEEP

    768:EXgqefjKf3Z6qSRnzpdwT1RIj1egKRFXSp/Dfm982r7D7:QgqeGB6qAnzpdw5Y0wLm9hH

Malware Config

Extracted

Family

sakula

C2

www.savmpet.com

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula payload 3 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\44aff363646429325be5c3f8745a6750N.exe
    "C:\Users\Admin\AppData\Local\Temp\44aff363646429325be5c3f8745a6750N.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:4024
    • 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:3224
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\44aff363646429325be5c3f8745a6750N.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:1716
      • 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:2348

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    39KB

    MD5

    7142e71745709b428c4bf28e302c60c8

    SHA1

    fc4f251e9274bdccb8baddfc7e47d6d9ac4054d0

    SHA256

    323009a36ada7698cfc7242c61e6deea5db2756732d605616b55770bcccd4e77

    SHA512

    b17eb76ae5cc563a62dc3a05b8d0160d7d4121c9a79622636a3122262978636ee37713d1885220fec4a5ad72143f3e2a6bf3161b9504edc8976041ddc2d05531

  • memory/3224-5-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3224-7-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4024-0-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4024-6-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4024-13-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB