Analysis

  • max time kernel
    4294208s
  • max time network
    160s
  • platform
    windows7_x64
  • resource
    win7-20220310-en
  • submitted
    23-03-2022 09:33

General

  • Target

    6d9e844f3b138da311b2bcc78ebc006042ac59075077f56dd9d52d21578caf59.exe

  • Size

    101KB

  • MD5

    f714168e9d90c45942b4515451ee31e5

  • SHA1

    1ee4e1506d2dd5de6bdddbedd23cdd2a25bdb544

  • SHA256

    6d9e844f3b138da311b2bcc78ebc006042ac59075077f56dd9d52d21578caf59

  • SHA512

    7154cbf59bfb00a1f1b3a10b54e7c59fd82e62ba0509ed575e923f78aea92a6b028d9b0876998549691bac11c238acde22d49604564ecba09a92789e371293e2

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula Payload 3 IoCs
  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 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). Likely ransomware behaviour.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6d9e844f3b138da311b2bcc78ebc006042ac59075077f56dd9d52d21578caf59.exe
    "C:\Users\Admin\AppData\Local\Temp\6d9e844f3b138da311b2bcc78ebc006042ac59075077f56dd9d52d21578caf59.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1988
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:1992
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\6d9e844f3b138da311b2bcc78ebc006042ac59075077f56dd9d52d21578caf59.exe"
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1340
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:1572

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Remote System Discovery

1
T1018

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
    MD5

    c950039f433654b213131a9c7fb4b13f

    SHA1

    d124080f811d352a4cc32a611e98e902907720d9

    SHA256

    62da77283e086cd9960ff764ad53c4e30fea41bca659e3ce0bb3b114f3843048

    SHA512

    1deee1c715e2e2bf1b6fc522d7d14e667a78127efb9265886a06a0ccfdddeb8a575529dd632d3e7e52658a23cc48a8def41ba5cb62f0694b1b5a50a14bcb506e

  • \Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
    MD5

    c950039f433654b213131a9c7fb4b13f

    SHA1

    d124080f811d352a4cc32a611e98e902907720d9

    SHA256

    62da77283e086cd9960ff764ad53c4e30fea41bca659e3ce0bb3b114f3843048

    SHA512

    1deee1c715e2e2bf1b6fc522d7d14e667a78127efb9265886a06a0ccfdddeb8a575529dd632d3e7e52658a23cc48a8def41ba5cb62f0694b1b5a50a14bcb506e

  • \Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
    MD5

    c950039f433654b213131a9c7fb4b13f

    SHA1

    d124080f811d352a4cc32a611e98e902907720d9

    SHA256

    62da77283e086cd9960ff764ad53c4e30fea41bca659e3ce0bb3b114f3843048

    SHA512

    1deee1c715e2e2bf1b6fc522d7d14e667a78127efb9265886a06a0ccfdddeb8a575529dd632d3e7e52658a23cc48a8def41ba5cb62f0694b1b5a50a14bcb506e

  • memory/1340-60-0x0000000000000000-mapping.dmp
  • memory/1572-61-0x0000000000000000-mapping.dmp
  • memory/1988-54-0x0000000075931000-0x0000000075933000-memory.dmp
    Filesize

    8KB

  • memory/1992-57-0x0000000000000000-mapping.dmp