Analysis

  • max time kernel
    106s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-08-2024 18:30

General

  • Target

    aedc421a59bad8bd9d6a08f435f13010N.exe

  • Size

    92KB

  • MD5

    aedc421a59bad8bd9d6a08f435f13010

  • SHA1

    923cd138dc6a39d79ff7a0f520c4efa02d6e3799

  • SHA256

    1c373d19558b81e2cee2f79cb86b626ce2b6df9091c6d263c083b376d3bf2c0d

  • SHA512

    c646acb11055080d20758c62901baa70ea1fa079804082fc74d25ae181e4d2a4e873b9ed16ccbd0952dfd198f16a989d692cea240a54551388cf5d0f1703f594

  • SSDEEP

    1536:TJbCiJVkgMaT2itTkjoRXnM48dXFajVPYxCEtkz30rtrY:9bfVk29te2jqxCEtg30Bk

Malware Config

Extracted

Family

sakula

C2

www.savmpet.com

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • 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\aedc421a59bad8bd9d6a08f435f13010N.exe
    "C:\Users\Admin\AppData\Local\Temp\aedc421a59bad8bd9d6a08f435f13010N.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:1884
    • 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:4356
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\aedc421a59bad8bd9d6a08f435f13010N.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:4944
      • 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:4672

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

    d75bf17a65b46d563f6ae30903007ef2

    SHA1

    6b5af0054f3b0658d22362d0d4c6c78d9f8d9ca9

    SHA256

    4f7b152c418dad1f5419696bf97b673a470569094a3b188f75691e362a049c76

    SHA512

    88365a85bdac72ada35b6d072f3d5dbe49c855adc154d8c4e536acccfb2a5e4bd2bfdf6349e7360629db0c5af784229fd358eed59bf307d04413b1451342d044