Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19-01-2025 19:32

General

  • Target

    ac27f445141e4b1d3c414044c4828d8c282aeeb5b18b6bd80f879e412eb9fd0eN.exe

  • Size

    92KB

  • MD5

    44cce46bfed72e21695e90bdffa67120

  • SHA1

    544e8cbf3f77da94a814ea180b3107789c254b66

  • SHA256

    ac27f445141e4b1d3c414044c4828d8c282aeeb5b18b6bd80f879e412eb9fd0e

  • SHA512

    421c59608d976686d77a252dddacdafd29d68a8502a380ee8910ccdebcbbefdeb3ecedec1700b3ede3fe264c34abe7be8b7a0ff1b8dfe9fa2e11d254048be60a

  • SSDEEP

    1536:TJbCiJVkgMaT2itTkjoRXnM48dXFajVPYxCEtkz30rtrJ:9bfVk29te2jqxCEtg30Bl

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\ac27f445141e4b1d3c414044c4828d8c282aeeb5b18b6bd80f879e412eb9fd0eN.exe
    "C:\Users\Admin\AppData\Local\Temp\ac27f445141e4b1d3c414044c4828d8c282aeeb5b18b6bd80f879e412eb9fd0eN.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:2716
    • 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:2784
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\ac27f445141e4b1d3c414044c4828d8c282aeeb5b18b6bd80f879e412eb9fd0eN.exe"
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:264
      • 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:988

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    92KB

    MD5

    d846b55beed76c7fc8412cf494dc3fe1

    SHA1

    2289e2682bc2c5c40382fa364ae0897ad651dbf1

    SHA256

    d735513e0e543606638f8f0a5888812e0db1e923b320d209635cdc3e5a4d13af

    SHA512

    f19c1d0cf2db0cd709e19d3e65d88ed09bb573e609b6f59eff82b9b748032c28db68c9a2e00d68aa5ab267fce18d3bfc9b7b0a62632b735c88fff635d704330b