Analysis

  • max time kernel
    95s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-09-2024 01:03

General

  • Target

    34d38bbadb8216e697071f78d2ce03a0N.exe

  • Size

    140KB

  • MD5

    34d38bbadb8216e697071f78d2ce03a0

  • SHA1

    46b907e1fecb2b1d0d3faa27de79e56917e52291

  • SHA256

    3a0f3b3a6e71d389cdf3cce291c131466b66d7e9b5bd156e61293bb1a630a4bb

  • SHA512

    1e992fa77dd44ae4edae54c8892548c0f2522ce7c59820a616f55ef9d8e2396416394209bcf4f33ecd0dbdb6e43b88c3e56ffc38e565b67e7ccbde66a664d62e

  • SSDEEP

    1536:TQFl29mEkE0L1rDEKrxZKF2zf9g2Pl7W/MwbxMX+tdz30rtr8gjcnQ5NDCkrI:k29DkEGRQixVSjLB130BYgjcnQ77I

Malware Config

Extracted

Family

sakula

C2

www.polarroute.com

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula payload 6 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\34d38bbadb8216e697071f78d2ce03a0N.exe
    "C:\Users\Admin\AppData\Local\Temp\34d38bbadb8216e697071f78d2ce03a0N.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4256
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:652
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\34d38bbadb8216e697071f78d2ce03a0N.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:1740
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:3120

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    140KB

    MD5

    6689309149557193a01b2a1780d862fe

    SHA1

    3ec547390f999e59113c8a14c01df31356bef7f6

    SHA256

    b4bf2fb7872cee3c987f052c77f5df9e096d5c5dc68dc676edfc77ca86f26312

    SHA512

    5f11f25c47a8c0b725ae4841557e3750fa77ea9418304defaf67249c428c58bc2dad5408a96f974a067c5dbbf3b7a59e5ed7ce1d66687741131001cae4e94bd2

  • memory/652-4-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

  • memory/652-7-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

  • memory/4256-0-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

  • memory/4256-6-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

  • memory/4256-8-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB