Analysis

  • max time kernel
    139s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-01-2025 21:59

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
  • 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\40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c.exe
    "C:\Users\Admin\AppData\Local\Temp\40a18cbec948040dc452078cf0b1024e88dd45a06eab1cc93cadce52eafb530c.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:2000
    • 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:3396
    • 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⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:4448
      • 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:540

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

    e3242e65182917638f655702b9ec0fa6

    SHA1

    710aca51586ab32b4f6033e9cf5551668ba13858

    SHA256

    1f0fe0b2ef21ccf777f30ba71f674ffc34dcca4631abbaf91cd82d2990e35f13

    SHA512

    e2c0722755cfdf7fd385d090179692c1fcc24ed83e901d0ace67f818a9d00f47778ececefd8d95757cfd31b67b292d6e1997d193a2191c1a08b4bdbee478b66b