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Analysis

  • max time kernel
    149s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/09/2024, 01:38

General

  • Target

    a4c22c0627b299f5dc6773b0e2c75822101dae2b39ebddc1394f684ed9802312.exe

  • Size

    511KB

  • MD5

    7185f1447866935007f9878e1dc362a0

  • SHA1

    4614bd179ea1e947e9551ed25fb29b072ec4691f

  • SHA256

    a4c22c0627b299f5dc6773b0e2c75822101dae2b39ebddc1394f684ed9802312

  • SHA512

    374d817c6c6faccc352365b87174fa75cf646a83704b373757dcb71e63769be6852362c8a96adeda4e7db5ad0018cf7251be47ec94863a41b8a75ae0ad9ad7c0

  • SSDEEP

    12288:anlc87eqqV5e+wBV6O+LaJpDu1ywY6fAe4ewDLWRRLNjVlp4:anSqqHeVBxFBS26frNcoRLPlp4

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of UnmapMainImage
    PID:3388
    • C:\Users\Admin\AppData\Local\Temp\a4c22c0627b299f5dc6773b0e2c75822101dae2b39ebddc1394f684ed9802312.exe
      "C:\Users\Admin\AppData\Local\Temp\a4c22c0627b299f5dc6773b0e2c75822101dae2b39ebddc1394f684ed9802312.exe"
      2⤵
      • Adds Run key to start application
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:396
      • C:\Users\Admin\AppData\Roaming\Dismetsh\mfpmstsc.exe
        "C:\Users\Admin\AppData\Roaming\Dismetsh"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3136
        • C:\Users\Admin\AppData\Local\Temp\~BA09.tmp
          3388 523272 3136 1
          4⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:1664
  • C:\Windows\SysWOW64\agennsvr.exe
    C:\Windows\SysWOW64\agennsvr.exe -s
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:1432

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\~BA09.tmp

    Filesize

    8KB

    MD5

    86dc243576cf5c7445451af37631eea9

    SHA1

    99a81c47c4c02f32c0ab456bfa23c306c7a09bf9

    SHA256

    25d2a671e1b5b5b95697ac0234ce4d46e0d0894919521b54aabebd9daecf994a

    SHA512

    c7310524f9b65f811146c1eb6ae944966351ac88a95fbc1ac422d8810730e5e212a7e28090ad758ea23c96ba38073e7fcf42460575e7f09dbc759a45c5d5a4a4

  • C:\Users\Admin\AppData\Roaming\Dismetsh\mfpmstsc.exe

    Filesize

    511KB

    MD5

    4961894de41552dc3a7a0a54a6ec1faa

    SHA1

    52e68cb12d25751b5c9e6b5a03c4f9744f0c85a0

    SHA256

    6f1b9f43749750e446e122701756607b9f2a85ed0ca35088633aedb4caf2f455

    SHA512

    59a52bfaf12e4ee95d0d2226cf7b69de7db00e619b51b96963a79ec06fa1f3c7154a970bd90cb1e895622a80dc7669f32bd087fa654c1e46a2233400e5c075fd

  • memory/396-0-0x0000000000400000-0x000000000048A000-memory.dmp

    Filesize

    552KB

  • memory/396-1-0x0000000000780000-0x0000000000808000-memory.dmp

    Filesize

    544KB

  • memory/396-18-0x0000000000400000-0x000000000048A000-memory.dmp

    Filesize

    552KB

  • memory/1432-12-0x0000000000400000-0x000000000048A000-memory.dmp

    Filesize

    552KB

  • memory/1432-14-0x0000000000600000-0x0000000000688000-memory.dmp

    Filesize

    544KB

  • memory/3136-13-0x0000000000500000-0x0000000000505000-memory.dmp

    Filesize

    20KB

  • memory/3136-11-0x0000000000790000-0x0000000000818000-memory.dmp

    Filesize

    544KB

  • memory/3136-6-0x0000000000400000-0x000000000048A000-memory.dmp

    Filesize

    552KB

  • memory/3136-29-0x0000000000400000-0x000000000048A000-memory.dmp

    Filesize

    552KB

  • memory/3388-28-0x0000000008820000-0x000000000882D000-memory.dmp

    Filesize

    52KB

  • memory/3388-27-0x00000000087C0000-0x00000000087C6000-memory.dmp

    Filesize

    24KB

  • memory/3388-26-0x0000000008A60000-0x0000000008AEF000-memory.dmp

    Filesize

    572KB

  • memory/3388-19-0x0000000008A60000-0x0000000008AEF000-memory.dmp

    Filesize

    572KB