Analysis

  • max time kernel
    126s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    21-01-2022 23:56

General

  • Target

    58560834b0a0089f012ddb201e1fdc8fd6133fd681621e70052dbb063030942d.exe

  • Size

    89KB

  • MD5

    f8dbcfe4f826aa27724ccfd6b080b26d

  • SHA1

    24efba130f37ce6f5bdd9da13c12941422d9f3b0

  • SHA256

    58560834b0a0089f012ddb201e1fdc8fd6133fd681621e70052dbb063030942d

  • SHA512

    26348520fbe4cd73ec95fe52886f51bbb89dac20ab7895fa3180e6fc15e616ec973d7fc23d315ba8e134fe7921e23a33d104071e8401df5858d4a3d991558632

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\58560834b0a0089f012ddb201e1fdc8fd6133fd681621e70052dbb063030942d.exe
    "C:\Users\Admin\AppData\Local\Temp\58560834b0a0089f012ddb201e1fdc8fd6133fd681621e70052dbb063030942d.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1720
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:1472
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\58560834b0a0089f012ddb201e1fdc8fd6133fd681621e70052dbb063030942d.exe"
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1124
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:660

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    MD5

    3d777123cdbf5ee999c4ab7cd6d5c6fd

    SHA1

    54c6f1aa5a7fc666bff43496491e08df38054a36

    SHA256

    9d130e94d106036fe2aa2bf1e42fe10a166da8528211a39af5a1bb4bc4faccae

    SHA512

    bbf6ccbea0eecb84784cd1a71ecf4aebc491d08dbd361145572cdfec396460c5ef3037f06d6e79829f584e29e01bf84183c8fc8418b7a4aaebcfd569a479e9cf

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

    MD5

    3d777123cdbf5ee999c4ab7cd6d5c6fd

    SHA1

    54c6f1aa5a7fc666bff43496491e08df38054a36

    SHA256

    9d130e94d106036fe2aa2bf1e42fe10a166da8528211a39af5a1bb4bc4faccae

    SHA512

    bbf6ccbea0eecb84784cd1a71ecf4aebc491d08dbd361145572cdfec396460c5ef3037f06d6e79829f584e29e01bf84183c8fc8418b7a4aaebcfd569a479e9cf

  • memory/1720-53-0x0000000076151000-0x0000000076153000-memory.dmp

    Filesize

    8KB