Analysis

  • max time kernel
    139s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-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
  • 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\70cd54eeea1415c1c4d6e4bc2e073366c65282cf898768c3babeb700974eebaa.exe
    "C:\Users\Admin\AppData\Local\Temp\70cd54eeea1415c1c4d6e4bc2e073366c65282cf898768c3babeb700974eebaa.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1536
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:2032
    • 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⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1080
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:1588

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    MD5

    43b6a89a1f31a40e798736fd7050e570

    SHA1

    99e190b24c99f8a77492deeef439172e8eb73a5c

    SHA256

    e63e89225d2f5cd48d66b419ac3980cc5085381504ca2176fd2380552ed9b51a

    SHA512

    c8f58112b4d58c7a73d461d3aca332da688ef014ac940d63c61ebc00edcdabbb7bf1e6972d5d7044ea7dc6ef73be706889f5a43696b86d1f0694f8c683dab2cd

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

    MD5

    43b6a89a1f31a40e798736fd7050e570

    SHA1

    99e190b24c99f8a77492deeef439172e8eb73a5c

    SHA256

    e63e89225d2f5cd48d66b419ac3980cc5085381504ca2176fd2380552ed9b51a

    SHA512

    c8f58112b4d58c7a73d461d3aca332da688ef014ac940d63c61ebc00edcdabbb7bf1e6972d5d7044ea7dc6ef73be706889f5a43696b86d1f0694f8c683dab2cd

  • memory/1536-54-0x0000000076C91000-0x0000000076C93000-memory.dmp

    Filesize

    8KB