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Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    27/05/2024, 09:29

General

  • Target

    IMG0525040502016-JPEG.www.facebook.com.exe

  • Size

    137KB

  • MD5

    dfb3df115d74fe506bd6fd4a27dd2ccf

  • SHA1

    6c264ac6b91d9380968329036e17ceb7522bdb4a

  • SHA256

    e99360d1c28e5c269d70b934646fca7ba72c2a0747d4fc4079f8dd0335370f0c

  • SHA512

    b86df00da8686816018ea45b70a6418fc9a47b390dbbda50533bfc0fbaf8e082f7469b26601b7e5ef61942d608b5b01e75062b779882e8eb4d494449f3dc5a7b

  • SSDEEP

    3072:s5/H/0ltUA7RfNBOB5nRz6bBo1z8Dr1Zl/KLs:s5X0ltUPB1RzWBo1z8Dr12Ls

Malware Config

Signatures

  • Modifies security service 2 TTPs 1 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

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

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

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\IMG0525040502016-JPEG.www.facebook.com.exe
    "C:\Users\Admin\AppData\Local\Temp\IMG0525040502016-JPEG.www.facebook.com.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:3044
    • C:\Users\Admin\AppData\Local\Temp\IMG0525040502016-JPEG.www.facebook.com.exe
      "C:\Users\Admin\AppData\Local\Temp\IMG0525040502016-JPEG.www.facebook.com.exe"
      2⤵
      • Modifies security service
      • Loads dropped DLL
      • Adds Run key to start application
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2716
      • C:\Windows\M-505025040595245060302955264930302040\winmgr.exe
        C:\Windows\M-505025040595245060302955264930302040\winmgr.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2248
        • C:\Windows\M-505025040595245060302955264930302040\winmgr.exe
          "C:\Windows\M-505025040595245060302955264930302040\winmgr.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:2812
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\knkjuxogiv.bat" "
        3⤵
        • Deletes itself
        PID:2772

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab2483.tmp

    Filesize

    68KB

    MD5

    29f65ba8e88c063813cc50a4ea544e93

    SHA1

    05a7040d5c127e68c25d81cc51271ffb8bef3568

    SHA256

    1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

    SHA512

    e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

  • C:\Users\Admin\AppData\Local\Temp\knkjuxogiv.bat

    Filesize

    250B

    MD5

    ebcb070bcf0d7a3e5007e51ec261cc7b

    SHA1

    2d7815560783c88009faaed6e415ca60a3991e36

    SHA256

    8bcf338af3f5cbf9d096cd525d26ef18dbb8a20408d1f58f36e5ea1ecb754e1a

    SHA512

    c97ca67e9ca411e4aa561fb94b9e6f623134f703fdd7b69b57436099e0234090faed64ab2973824d593f9f79e3c9f6d44736f2ac15674b5c9c21ab02034c1758

  • \Windows\M-505025040595245060302955264930302040\winmgr.exe

    Filesize

    137KB

    MD5

    dfb3df115d74fe506bd6fd4a27dd2ccf

    SHA1

    6c264ac6b91d9380968329036e17ceb7522bdb4a

    SHA256

    e99360d1c28e5c269d70b934646fca7ba72c2a0747d4fc4079f8dd0335370f0c

    SHA512

    b86df00da8686816018ea45b70a6418fc9a47b390dbbda50533bfc0fbaf8e082f7469b26601b7e5ef61942d608b5b01e75062b779882e8eb4d494449f3dc5a7b

  • memory/2248-53-0x0000000074691000-0x0000000074692000-memory.dmp

    Filesize

    4KB

  • memory/2248-87-0x0000000074690000-0x0000000074C3B000-memory.dmp

    Filesize

    5.7MB

  • memory/2248-54-0x0000000074690000-0x0000000074C3B000-memory.dmp

    Filesize

    5.7MB

  • memory/2716-33-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2716-30-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2716-27-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2716-20-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2716-38-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2716-40-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2716-34-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2716-22-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2716-24-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2812-77-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2812-86-0x0000000000070000-0x000000000007C000-memory.dmp

    Filesize

    48KB

  • memory/2812-83-0x0000000000070000-0x000000000007C000-memory.dmp

    Filesize

    48KB

  • memory/2812-88-0x0000000000070000-0x000000000007C000-memory.dmp

    Filesize

    48KB

  • memory/2812-89-0x0000000000070000-0x000000000007C000-memory.dmp

    Filesize

    48KB

  • memory/3044-41-0x0000000074760000-0x0000000074D0B000-memory.dmp

    Filesize

    5.7MB

  • memory/3044-39-0x0000000074760000-0x0000000074D0B000-memory.dmp

    Filesize

    5.7MB

  • memory/3044-0-0x0000000074761000-0x0000000074762000-memory.dmp

    Filesize

    4KB

  • memory/3044-1-0x0000000074760000-0x0000000074D0B000-memory.dmp

    Filesize

    5.7MB