Analysis

  • max time kernel
    4294203s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20220311-en
  • submitted
    23-03-2022 09:33

General

  • Target

    fa78da80bfee18732ee6ffb55b9fa8322f3310723273f782fc52f6e9c87b397f.exe

  • Size

    104KB

  • MD5

    39355c04cb738da59753caccf1bd4dd5

  • SHA1

    c8a84f08c89965c7719d0207ca9ba6bc89da15d1

  • SHA256

    fa78da80bfee18732ee6ffb55b9fa8322f3310723273f782fc52f6e9c87b397f

  • SHA512

    8d91282e663ff4e72a49eaecdce8173d240fcad6d8bb265aa01dc6760e65b9441f226c79b8056c1b21d3d1912abdd05cf8ae55bb5ca593cfa89b1ecf36e25248

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula Payload 3 IoCs
  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 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\fa78da80bfee18732ee6ffb55b9fa8322f3310723273f782fc52f6e9c87b397f.exe
    "C:\Users\Admin\AppData\Local\Temp\fa78da80bfee18732ee6ffb55b9fa8322f3310723273f782fc52f6e9c87b397f.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:964
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:1664
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\fa78da80bfee18732ee6ffb55b9fa8322f3310723273f782fc52f6e9c87b397f.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:1972

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    MD5

    7ed08b450678e5286f74895740c21b20

    SHA1

    590c9622c03542ea3ae0ff9700635f0679fee8aa

    SHA256

    6c728d0d946ae8b6f77b04f16fb88cb2597348537fa40e44333f1b090c255cb8

    SHA512

    252ac26a9f75434e70f97c49360db796d141433b7657f78800e32c6e3eaff5f38dd681e13cec02d77bc94475019dc4dff1e90c4291c622fd01fdd0b9ca5f96a9

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

    MD5

    7ed08b450678e5286f74895740c21b20

    SHA1

    590c9622c03542ea3ae0ff9700635f0679fee8aa

    SHA256

    6c728d0d946ae8b6f77b04f16fb88cb2597348537fa40e44333f1b090c255cb8

    SHA512

    252ac26a9f75434e70f97c49360db796d141433b7657f78800e32c6e3eaff5f38dd681e13cec02d77bc94475019dc4dff1e90c4291c622fd01fdd0b9ca5f96a9

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

    MD5

    7ed08b450678e5286f74895740c21b20

    SHA1

    590c9622c03542ea3ae0ff9700635f0679fee8aa

    SHA256

    6c728d0d946ae8b6f77b04f16fb88cb2597348537fa40e44333f1b090c255cb8

    SHA512

    252ac26a9f75434e70f97c49360db796d141433b7657f78800e32c6e3eaff5f38dd681e13cec02d77bc94475019dc4dff1e90c4291c622fd01fdd0b9ca5f96a9

  • memory/964-54-0x00000000755A1000-0x00000000755A3000-memory.dmp

    Filesize

    8KB

  • memory/1664-57-0x0000000000000000-mapping.dmp

  • memory/1972-61-0x0000000000000000-mapping.dmp

  • memory/2004-60-0x0000000000000000-mapping.dmp