Analysis

  • max time kernel
    123s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    22-01-2022 00:50

General

  • Target

    29fce7d6b08acaf601c149c254fa3184556ff544bb20c90b9664ebdf85cc3a6d.exe

  • Size

    89KB

  • MD5

    bc74a557e91597d8b37ed357c367643e

  • SHA1

    0f7ccd39a0c4c5846da1dc5330c918316c917da8

  • SHA256

    29fce7d6b08acaf601c149c254fa3184556ff544bb20c90b9664ebdf85cc3a6d

  • SHA512

    88f9d398a7a806bde6be8bfd743848b7d72ed28c39f969f7e594358a602c707a2e1dc0d3691af58c7d379f26745973cb3320bc46c24d2110115e4448219cb89e

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\29fce7d6b08acaf601c149c254fa3184556ff544bb20c90b9664ebdf85cc3a6d.exe
    "C:\Users\Admin\AppData\Local\Temp\29fce7d6b08acaf601c149c254fa3184556ff544bb20c90b9664ebdf85cc3a6d.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1584
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:1096
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\29fce7d6b08acaf601c149c254fa3184556ff544bb20c90b9664ebdf85cc3a6d.exe"
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:428
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:1040

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    MD5

    94eb00b42be065f0f42f7b5d907d8f66

    SHA1

    64e4ac9b34a45a214967f4ee0a0b4c45236628b2

    SHA256

    e8996f8ab0d2dde71aa2adcf9c5a4f12bdc416c08c5f070e8081717f24d832ab

    SHA512

    8a1c927e21b76ba117425772641948b6ee5076baac3fdddbf64137484677728bea71adb7e05ffb5333cbd8f985ed48d300f9fe6219947b75258bba7bc3f608e3

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

    MD5

    94eb00b42be065f0f42f7b5d907d8f66

    SHA1

    64e4ac9b34a45a214967f4ee0a0b4c45236628b2

    SHA256

    e8996f8ab0d2dde71aa2adcf9c5a4f12bdc416c08c5f070e8081717f24d832ab

    SHA512

    8a1c927e21b76ba117425772641948b6ee5076baac3fdddbf64137484677728bea71adb7e05ffb5333cbd8f985ed48d300f9fe6219947b75258bba7bc3f608e3

  • memory/1584-54-0x0000000076121000-0x0000000076123000-memory.dmp

    Filesize

    8KB