Analysis

  • max time kernel
    159s
  • max time network
    170s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    22-01-2022 01:06

General

  • Target

    70cd54eeea1415c1c4d6e4bc2e073366c65282cf898768c3babeb700974eebaa.exe

  • Size

    89KB

  • MD5

    ab91b9e35d2b1e56285c042eef95d324

  • SHA1

    800fac81c9c58d3d9c824dc95cabb7a8d61cf1a1

  • SHA256

    70cd54eeea1415c1c4d6e4bc2e073366c65282cf898768c3babeb700974eebaa

  • SHA512

    bf22f587d0306a4e182963eb755b3c8067147af9fb0e8188ad3f74a261ce2c1ff0222f2d1c60e56886cf17c75c61efb9dca4fe91719747e76a5dcebf09109502

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
  • 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\70cd54eeea1415c1c4d6e4bc2e073366c65282cf898768c3babeb700974eebaa.exe
    "C:\Users\Admin\AppData\Local\Temp\70cd54eeea1415c1c4d6e4bc2e073366c65282cf898768c3babeb700974eebaa.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2676
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:3776
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\70cd54eeea1415c1c4d6e4bc2e073366c65282cf898768c3babeb700974eebaa.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:744
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:508

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    MD5

    d129ee87b1557464f25dbb1af26973eb

    SHA1

    fdb89be4967ba2f3e1dba32e55c695324c75e9be

    SHA256

    b3bda8a154ad72c8248e39ec5df6d2c0bd6cf1bcb25f35bd9d51127ed6f65851

    SHA512

    1daee8e5ad1288f7c02f7298e312631635fb0e55e42325655715885b071c5c8a9bcb3e8a4db49b2956cf9d642a5ddf358e8411e19d5c1d1dfa33592c23502d3b

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

    MD5

    d129ee87b1557464f25dbb1af26973eb

    SHA1

    fdb89be4967ba2f3e1dba32e55c695324c75e9be

    SHA256

    b3bda8a154ad72c8248e39ec5df6d2c0bd6cf1bcb25f35bd9d51127ed6f65851

    SHA512

    1daee8e5ad1288f7c02f7298e312631635fb0e55e42325655715885b071c5c8a9bcb3e8a4db49b2956cf9d642a5ddf358e8411e19d5c1d1dfa33592c23502d3b