Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-04-2024 22:18

General

  • Target

    6ed57cc74fd6b6d1c0cbf3c4fe5b5beee47df148f1c8bdabbf1d3b9a17347231.exe

  • Size

    64KB

  • MD5

    1119a0e6971e5c0773c780ed380c9ae5

  • SHA1

    7b2ea5a52d4875caf342877befa5c1ea62e6db5d

  • SHA256

    6ed57cc74fd6b6d1c0cbf3c4fe5b5beee47df148f1c8bdabbf1d3b9a17347231

  • SHA512

    4154d97e6973b7c6b037dd274dee90f361a7dd4378de4c26454499df24513c6aaddf9a404346360b2c566ac4e5a502c4e54e1ed47456e6d3c9d382f4af3f4b5e

  • SSDEEP

    768:Y0gD04rmpLAuJGlfAHI9lqnP8q0gXg0uvsVWZz/L4i/ym23ysRaKFt9kS3DCkeI9:YNpmpkzAHkq0gXgffZgiKKsDNDCkruk

Malware Config

Extracted

Family

sakula

C2

www.polarroute.com

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula payload 4 IoCs
  • UPX dump on OEP (original entry point) 6 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).

  • 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\6ed57cc74fd6b6d1c0cbf3c4fe5b5beee47df148f1c8bdabbf1d3b9a17347231.exe
    "C:\Users\Admin\AppData\Local\Temp\6ed57cc74fd6b6d1c0cbf3c4fe5b5beee47df148f1c8bdabbf1d3b9a17347231.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:624
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:4508
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\6ed57cc74fd6b6d1c0cbf3c4fe5b5beee47df148f1c8bdabbf1d3b9a17347231.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1700
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:396

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Remote System Discovery

1
T1018

Replay Monitor

Loading Replay Monitor...

Downloads

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

    64KB

    MD5

    8832c24a931a797b2cf862799625a502

    SHA1

    43bea50ffe2ec84f1c9096f0d0075a81109d5bd6

    SHA256

    3eebad983a42dad930f4bc6689cd27d8b2d27d8d5c85ce578b4515c4520bac2b

    SHA512

    ad247752a1653a680de12a9ac95afea7351643132ed58a342e5cc200f6fdbe3c395486a3ff174e7ea8d714112392496fb6a5052763c812d3b023e78b9aed3717

  • memory/624-0-0x0000000000400000-0x0000000000423000-memory.dmp
    Filesize

    140KB

  • memory/624-5-0x0000000000400000-0x0000000000423000-memory.dmp
    Filesize

    140KB

  • memory/624-11-0x0000000000400000-0x0000000000423000-memory.dmp
    Filesize

    140KB

  • memory/4508-6-0x0000000000400000-0x0000000000423000-memory.dmp
    Filesize

    140KB

  • memory/4508-17-0x0000000000400000-0x0000000000423000-memory.dmp
    Filesize

    140KB