Analysis

  • max time kernel
    125s
  • max time network
    133s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    12-02-2022 10:12

General

  • Target

    07dbf5e146a03658013bb0e134487e57980a06f454f514656b7db62d0d6554f4.exe

  • Size

    92KB

  • MD5

    3a0d5798c87d3457affbcf8b708eeb22

  • SHA1

    a1811632819582871292fbcb2d014234cd64f863

  • SHA256

    07dbf5e146a03658013bb0e134487e57980a06f454f514656b7db62d0d6554f4

  • SHA512

    eeaa5364c5ceecc8d68fef9181bec3b380371e279a2210c4673066332c761b3c2c9d06d9b87afbe9b4db96c3380bd8d395dbe4928d5f20398ab61d61a317916d

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\07dbf5e146a03658013bb0e134487e57980a06f454f514656b7db62d0d6554f4.exe
    "C:\Users\Admin\AppData\Local\Temp\07dbf5e146a03658013bb0e134487e57980a06f454f514656b7db62d0d6554f4.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1776
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:1896
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\07dbf5e146a03658013bb0e134487e57980a06f454f514656b7db62d0d6554f4.exe"
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:828
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:1832

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
    MD5

    1a02f608fd2aacc5452959e96fa398a1

    SHA1

    82ad3070247fe2ebeeb9d54fa7af328b70a8f2a2

    SHA256

    d6b1580c5b41a0d31b95bc0dd8d4ad2df9b9f16df0dada029863ff10820b7ad5

    SHA512

    9453b3a3b384ee73c9cfa25c7858d65fa9ae616fbaa7aeb7984c00972e059bcbddb899ceae08ba06867d0bca43f65fdf81de4bbe15f1d8ffbb46ff56c4def184

  • \Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
    MD5

    1a02f608fd2aacc5452959e96fa398a1

    SHA1

    82ad3070247fe2ebeeb9d54fa7af328b70a8f2a2

    SHA256

    d6b1580c5b41a0d31b95bc0dd8d4ad2df9b9f16df0dada029863ff10820b7ad5

    SHA512

    9453b3a3b384ee73c9cfa25c7858d65fa9ae616fbaa7aeb7984c00972e059bcbddb899ceae08ba06867d0bca43f65fdf81de4bbe15f1d8ffbb46ff56c4def184

  • memory/1776-54-0x0000000076C61000-0x0000000076C63000-memory.dmp
    Filesize

    8KB