Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    04-05-2024 21:28

General

  • Target

    148da8473a260935979977ade797e718_JaffaCakes118.exe

  • Size

    3.0MB

  • MD5

    148da8473a260935979977ade797e718

  • SHA1

    18d0286962802911133a5ab6ae5016c9cda08b6d

  • SHA256

    a29e150b2ff91da057487b87d420e394347f3e0364742705705b103a2d518f61

  • SHA512

    9c38ab2950450a0c22c5cb7dcf8cb99dd421344ac14e4d66890a1de11ab9a0185cbca967f6120a121bb720fae53774ea4545e48fca16ee501bdaa84d73d4ba81

  • SSDEEP

    49152:hxxxK/o/y7wmmD9gukh9wiNInkjCG8mzD0W357/0nsj7a3LTK4U:hBykVCnh/InmCGACTj+TK4U

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

leifstresser.ddns.net:1604

127.0.0.1:1604

Mutex

cuntface

Attributes
  • InstallPath

    Windows/Explorer

  • gencode

    pG07ARK2K01Z

  • install

    true

  • offline_keylogger

    true

  • password

    lolamoomoo1

  • persistence

    true

  • reg_key

    Updater

Signatures

  • Darkcomet

    DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • UPX packed file 3 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 26 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 63 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\148da8473a260935979977ade797e718_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\148da8473a260935979977ade797e718_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1636
    • C:\Users\Admin\AppData\Local\Temp\148da8473a260935979977ade797e718_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\148da8473a260935979977ade797e718_JaffaCakes118.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2516
      • C:\Users\Admin\AppData\Local\Temp\148da8473a260935979977ade797e718_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\148da8473a260935979977ade797e718_JaffaCakes118.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2492
        • C:\Users\Admin\AppData\Local\Temp\148da8473a260935979977ade797e718_JaffaCakes118.exe
          "C:\Users\Admin\AppData\Local\Temp\148da8473a260935979977ade797e718_JaffaCakes118.exe"
          4⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:768
          • C:\Users\Admin\AppData\Local\Temp\UDP FLOODER 1.EXE
            "C:\Users\Admin\AppData\Local\Temp\UDP FLOODER 1.EXE"
            5⤵
            • Modifies WinLogon for persistence
            • Executes dropped EXE
            • Adds Run key to start application
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:2432
            • C:\Windows\SysWOW64\notepad.exe
              notepad
              6⤵
                PID:1556

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

      Filesize

      344B

      MD5

      192728619f78efb972ec5e202d64e6a9

      SHA1

      3a422dfe3c888d9b78599cc9d31122b971c9dcca

      SHA256

      f24f556810a44fafdc3b55530194d5740b871cd97c12cd1f5fc2e7f0c687daf0

      SHA512

      1553e280341bf520516d0cb7d693cc754cf496c45418a00bf974813877406ec31fd131fa1008805309f895a393f64ef42d2820297f65cc83c17a6befbdd1e2f8

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

      Filesize

      344B

      MD5

      2a59afeb397e77a51c973f2a6f7f3211

      SHA1

      47bdd384fd496f43803710bc81d66c0d2eab7b0f

      SHA256

      dcf08b1d47e0bbda9e85e2f7888d608712de69b8b4e80c5fdf2b083262aae16c

      SHA512

      955771827761f1c3d52ec78a7a93be7d728198fb9a53055a40be592bd5ae1dee5ab268b3baedbf5b3e9c965bf9dc598a4ec7d1d9077d9396690d916f7e467b46

    • C:\Users\Admin\AppData\Local\Temp\Cab12A6.tmp

      Filesize

      68KB

      MD5

      29f65ba8e88c063813cc50a4ea544e93

      SHA1

      05a7040d5c127e68c25d81cc51271ffb8bef3568

      SHA256

      1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

      SHA512

      e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

    • C:\Users\Admin\AppData\Local\Temp\Tar1393.tmp

      Filesize

      177KB

      MD5

      435a9ac180383f9fa094131b173a2f7b

      SHA1

      76944ea657a9db94f9a4bef38f88c46ed4166983

      SHA256

      67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

      SHA512

      1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

    • \Users\Admin\AppData\Local\Temp\[email protected]

      Filesize

      105KB

      MD5

      7cd2da0120e9b08e0a81d4bc8efef66f

      SHA1

      850d6c6fd6c308526381fd3445e4836dd7a0e1f0

      SHA256

      4750f78dd654a8b02cc5c0f10569f364673f03b407e2291279e30cae449c6f8b

      SHA512

      c2333eb54e5ce17dc2fd7ce25803fe0fb8b7e8d41be0ea6b57bba5e0fe73f8956f0867e78537c2c2f8f3581d83e67b6cd5ed8706beddcaf1c6654cbe2d7331f4

    • \Users\Admin\AppData\Local\Temp\UDP FLOODER 1.EXE

      Filesize

      251KB

      MD5

      211945ebdfe62b019a73cfba4e15592c

      SHA1

      33a9822aa4a68379c5e50950bce5946a9bd6b4ac

      SHA256

      27cbae331070b3643799b7d6143f7e7d3e8492b2c743d7771e5331c78d0eccaf

      SHA512

      1bf2f4096ea79ab7bd5a6759b8f83623d789002d0ccf32ae9e0d45a9ec15a55cc619abf2ee2baa91251b8c7af2ad810098363387ff43def19ebe0edd66451b4d

    • memory/768-103-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/768-90-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/768-104-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/768-96-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/768-94-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/768-98-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/768-122-0x0000000002D50000-0x0000000002E07000-memory.dmp

      Filesize

      732KB

    • memory/768-100-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/768-93-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/1556-125-0x0000000000080000-0x0000000000081000-memory.dmp

      Filesize

      4KB

    • memory/1636-0-0x0000000074A61000-0x0000000074A62000-memory.dmp

      Filesize

      4KB

    • memory/1636-2-0x0000000074A60000-0x000000007500B000-memory.dmp

      Filesize

      5.7MB

    • memory/1636-1-0x0000000074A60000-0x000000007500B000-memory.dmp

      Filesize

      5.7MB

    • memory/1636-46-0x0000000074A60000-0x000000007500B000-memory.dmp

      Filesize

      5.7MB

    • memory/1752-164-0x0000000000CB0000-0x0000000000CD0000-memory.dmp

      Filesize

      128KB

    • memory/2432-123-0x0000000000400000-0x00000000004B7000-memory.dmp

      Filesize

      732KB

    • memory/2432-167-0x0000000000400000-0x00000000004B7000-memory.dmp

      Filesize

      732KB

    • memory/2492-62-0x0000000000400000-0x000000000049C000-memory.dmp

      Filesize

      624KB

    • memory/2492-60-0x0000000000400000-0x000000000049C000-memory.dmp

      Filesize

      624KB

    • memory/2492-58-0x0000000000400000-0x000000000049C000-memory.dmp

      Filesize

      624KB

    • memory/2492-71-0x0000000074A60000-0x000000007500B000-memory.dmp

      Filesize

      5.7MB

    • memory/2492-66-0x0000000000400000-0x000000000049C000-memory.dmp

      Filesize

      624KB

    • memory/2492-70-0x0000000000400000-0x000000000049C000-memory.dmp

      Filesize

      624KB

    • memory/2492-68-0x0000000000400000-0x000000000049C000-memory.dmp

      Filesize

      624KB

    • memory/2492-56-0x0000000000400000-0x000000000049C000-memory.dmp

      Filesize

      624KB

    • memory/2492-106-0x0000000074A60000-0x000000007500B000-memory.dmp

      Filesize

      5.7MB

    • memory/2516-24-0x0000000000400000-0x00000000004CC000-memory.dmp

      Filesize

      816KB

    • memory/2516-89-0x0000000074A60000-0x000000007500B000-memory.dmp

      Filesize

      5.7MB

    • memory/2516-21-0x0000000000400000-0x00000000004CC000-memory.dmp

      Filesize

      816KB

    • memory/2516-30-0x0000000000400000-0x00000000004CC000-memory.dmp

      Filesize

      816KB

    • memory/2516-22-0x0000000000400000-0x00000000004CC000-memory.dmp

      Filesize

      816KB

    • memory/2516-26-0x0000000000400000-0x00000000004CC000-memory.dmp

      Filesize

      816KB

    • memory/2516-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2516-34-0x0000000000400000-0x00000000004CC000-memory.dmp

      Filesize

      816KB

    • memory/2516-32-0x0000000000400000-0x00000000004CC000-memory.dmp

      Filesize

      816KB

    • memory/2516-36-0x0000000074A60000-0x000000007500B000-memory.dmp

      Filesize

      5.7MB

    • memory/2516-35-0x0000000074A60000-0x000000007500B000-memory.dmp

      Filesize

      5.7MB