Analysis

  • max time kernel
    91s
  • max time network
    105s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    15-01-2025 21:51

General

  • Target

    40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c.exe

  • Size

    92KB

  • MD5

    867d4dc640a2abfe0fbbd324a25e881f

  • SHA1

    b488f0d04bd2509be8153b85c062b4fb802ec9de

  • SHA256

    40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c

  • SHA512

    a66a77ea38c6a536f6348b539e6b424991ca0c09f4f7d3cbe4c28b9bdc529dc6370cd185d1047d794dc6eda8a191db3550f745c699879b549c9c1890eb96ed05

  • SSDEEP

    1536:TJbCiJVkgMaT2itTkjoRXnM48dXFajVPYxCEtkz30rtrV:9bfVk29te2jqxCEtg30Bh

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
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 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 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c.exe
    "C:\Users\Admin\AppData\Local\Temp\40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3044
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:2516
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c.exe"
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:2676
      • 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:1440

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    92KB

    MD5

    376442ef81be72d3fa190c126bbedae7

    SHA1

    cf5fa4cd323b751f75c21df143197a471210945e

    SHA256

    c7b873fcf9c924e7a0df42f62825a8f378823c5651eaf3881d9f384df442249a

    SHA512

    1f529f06950bd01e67ca8021c6d06590151001631bed0fdadd8edcd5c6827e74172de37b36cb7483b6cfce70877b7f0da4f6109475ea231eaf72f8fa29ba9488