Analysis

  • max time kernel
    150s
  • max time network
    165s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    12-02-2022 12:49

General

  • Target

    0051439ce0e77403de8f40bcd922690a021ed848b966d119febed126fa5d41a4.exe

  • Size

    150KB

  • MD5

    5c6f0f7cb8ddce426b2067eb34163c46

  • SHA1

    fce4b6dcf18be5c2856e078a391a297f28c5d5cc

  • SHA256

    0051439ce0e77403de8f40bcd922690a021ed848b966d119febed126fa5d41a4

  • SHA512

    673fe0eda57ef291ff477bb00932d455a0765ef46d164c307c12e42ee44a6d22e4e1e56fc0502000ca4f9a35773f98741a75d79bd5f7415dd17c6d7702581802

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula Payload 2 IoCs
  • suricata: ET MALWARE SUSPICIOUS UA (iexplore)

    suricata: ET MALWARE SUSPICIOUS UA (iexplore)

  • suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1

    suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1

  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 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 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0051439ce0e77403de8f40bcd922690a021ed848b966d119febed126fa5d41a4.exe
    "C:\Users\Admin\AppData\Local\Temp\0051439ce0e77403de8f40bcd922690a021ed848b966d119febed126fa5d41a4.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1276
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:1920
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0051439ce0e77403de8f40bcd922690a021ed848b966d119febed126fa5d41a4.exe"
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:2004
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:1116

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    MD5

    e3b141be533232b4abe35547316b2cc3

    SHA1

    321865f19f07cc8f2c5a429258f934fb3ed6860e

    SHA256

    ddc7081f4243ad7dcde82e63818342ae3445bf616ce716ef9c6cf696a7dddefc

    SHA512

    e95dbcab8add0fdce96ac2bb9d9906d2a900a089392d6a9a09986d12a6ea63ee3ef348624dac4a31388d21be96d5ad63af28497b1aed0c0724934c66936c89d0

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

    MD5

    e3b141be533232b4abe35547316b2cc3

    SHA1

    321865f19f07cc8f2c5a429258f934fb3ed6860e

    SHA256

    ddc7081f4243ad7dcde82e63818342ae3445bf616ce716ef9c6cf696a7dddefc

    SHA512

    e95dbcab8add0fdce96ac2bb9d9906d2a900a089392d6a9a09986d12a6ea63ee3ef348624dac4a31388d21be96d5ad63af28497b1aed0c0724934c66936c89d0

  • memory/1276-54-0x0000000076041000-0x0000000076043000-memory.dmp

    Filesize

    8KB