Resubmissions

24-02-2022 11:08

220224-m8nlsachc3 10

30-09-2021 12:27

210930-pmrseshfg9 8

Analysis

  • max time kernel
    139s
  • max time network
    142s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    24-02-2022 11:08

General

  • Target

    fb9634f7f285e1b11b44d55c58f0c2e8d14fa5ace58670d8c806b09d6570c629.exe

  • Size

    216KB

  • MD5

    052e970aff7e2e0e3209417a92f4e2c6

  • SHA1

    32c0cb93f35e65295a02d362c3bf4fd71fa9365c

  • SHA256

    fb9634f7f285e1b11b44d55c58f0c2e8d14fa5ace58670d8c806b09d6570c629

  • SHA512

    38d19aea666d07db8c2f2925d3d7af99d03936cfda936fbc994d00ce66b27147647ca28bae684b99fdbbc7e424b34b13c5c5a6d4739d4a46934ae2ba744e8c8d

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula Payload 4 IoCs
  • 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). Likely ransomware behaviour.

  • 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\fb9634f7f285e1b11b44d55c58f0c2e8d14fa5ace58670d8c806b09d6570c629.exe
    "C:\Users\Admin\AppData\Local\Temp\fb9634f7f285e1b11b44d55c58f0c2e8d14fa5ace58670d8c806b09d6570c629.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1984
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:1620
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\fb9634f7f285e1b11b44d55c58f0c2e8d14fa5ace58670d8c806b09d6570c629.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2476
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:2824

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

    38bbef46cb5cb7e1484d04da8a2f14ee

    SHA1

    323a4d91837baf17779d5cfd448872c684a2fb68

    SHA256

    0f092ed2816f919bf4c8cc0942f50462f002b19c047ee675498970e005be880f

    SHA512

    afbf202492c9bdab972ed556088fc81063bde37c4f3057315a03360fea2ad61f4abf4a4967d2a22537d53dde6705d52834da256f53c6795e64209e0dba4a09c1

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

    38bbef46cb5cb7e1484d04da8a2f14ee

    SHA1

    323a4d91837baf17779d5cfd448872c684a2fb68

    SHA256

    0f092ed2816f919bf4c8cc0942f50462f002b19c047ee675498970e005be880f

    SHA512

    afbf202492c9bdab972ed556088fc81063bde37c4f3057315a03360fea2ad61f4abf4a4967d2a22537d53dde6705d52834da256f53c6795e64209e0dba4a09c1

  • memory/1620-118-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/1984-117-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB