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Analysis

  • max time kernel
    115s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04/10/2024, 20:19

General

  • Target

    c13ac350be57db0d0d42d017c5c2e20177c12c8f214225f7f0fa441fa8b3aad8N.exe

  • Size

    205KB

  • MD5

    03391529051474aa9bddad0823cfed50

  • SHA1

    cb4c154ace7a7b787a296f49f219d79e5b53a703

  • SHA256

    c13ac350be57db0d0d42d017c5c2e20177c12c8f214225f7f0fa441fa8b3aad8

  • SHA512

    6ba1396e49adf0eabdf2f530b92c465e51e1fb01a4550ef37f2bad99a57bf2419837ba4fce7f1d4a94d0f33a99636bfe336d76e9f8d514a1a3c3dae46b943180

  • SSDEEP

    3072:0IXqry+d3DxQcv7zhWPk65Ui8BhmqjNj8DCUNUO42YwHdKpUUzE0mu87dw:dQCcv7Mk6bgL5jMCeU3dRCUI0mu8

Malware Config

Signatures

  • Loads dropped DLL 5 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 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 26 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c13ac350be57db0d0d42d017c5c2e20177c12c8f214225f7f0fa441fa8b3aad8N.exe
    "C:\Users\Admin\AppData\Local\Temp\c13ac350be57db0d0d42d017c5c2e20177c12c8f214225f7f0fa441fa8b3aad8N.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2104
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Windows\system32\sshnas21.dll,GetHandle
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2764

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Twain001.Mtx

    Filesize

    2B

    MD5

    309fc7d3bc53bb63ac42e359260ac740

    SHA1

    2064f80f811db79a33c4e51c10221454e30c74ae

    SHA256

    ac11339ffa8f270c4f781e0a3922bb1c80d9dee6e4b6911ca34538ed9ae03caa

    SHA512

    77dd27d30f4e13a0bcd6fd27ae7567c136d87393e5ee632bccf05b0a0d2bbcc2fc0fd777a8508e26cc4fc579c8da0ab56b7bf179b1adc70f28f7d0eee89fa5f8

  • \Windows\SysWOW64\sshnas21.dll

    Filesize

    168KB

    MD5

    0b62e0a8526991fad4b3fe5aceaedf1f

    SHA1

    19120b4fb5a27a6f332c56502dc2af7b429aa810

    SHA256

    29bdb931756bc54b99f0c1dd2c1f602ac9531f43796210b0976506d137e44170

    SHA512

    df974e8c21d329f88196e6ad0ae2953fa1e20ad9e36b2c8fe53f4130519ed63fbe2fc5e11646902293eb4fae5b5bb1248575d6203288cf3700d2fdadddaa6b0e

  • memory/2104-1-0x0000000000370000-0x0000000000395000-memory.dmp

    Filesize

    148KB

  • memory/2104-2-0x0000000000400000-0x0000000000436000-memory.dmp

    Filesize

    216KB

  • memory/2104-8-0x0000000000400000-0x0000000000436000-memory.dmp

    Filesize

    216KB

  • memory/2104-11-0x0000000000400000-0x0000000000436000-memory.dmp

    Filesize

    216KB

  • memory/2104-10-0x00000000750C0000-0x00000000750CF000-memory.dmp

    Filesize

    60KB

  • memory/2764-21-0x0000000010000000-0x000000001005A000-memory.dmp

    Filesize

    360KB

  • memory/2764-28-0x0000000010000000-0x000000001005A000-memory.dmp

    Filesize

    360KB

  • memory/2764-22-0x0000000074F90000-0x0000000074F9F000-memory.dmp

    Filesize

    60KB

  • memory/2764-19-0x00000000001D0000-0x00000000001E3000-memory.dmp

    Filesize

    76KB

  • memory/2764-23-0x0000000010000000-0x000000001005A000-memory.dmp

    Filesize

    360KB

  • memory/2764-24-0x0000000010000000-0x000000001005A000-memory.dmp

    Filesize

    360KB

  • memory/2764-26-0x0000000010000000-0x000000001005A000-memory.dmp

    Filesize

    360KB

  • memory/2764-20-0x0000000010000000-0x000000001005A000-memory.dmp

    Filesize

    360KB

  • memory/2764-30-0x0000000010000000-0x000000001005A000-memory.dmp

    Filesize

    360KB

  • memory/2764-32-0x0000000010000000-0x000000001005A000-memory.dmp

    Filesize

    360KB

  • memory/2764-34-0x0000000010000000-0x000000001005A000-memory.dmp

    Filesize

    360KB

  • memory/2764-36-0x0000000010000000-0x000000001005A000-memory.dmp

    Filesize

    360KB

  • memory/2764-38-0x0000000010000000-0x000000001005A000-memory.dmp

    Filesize

    360KB

  • memory/2764-40-0x0000000010000000-0x000000001005A000-memory.dmp

    Filesize

    360KB

  • memory/2764-42-0x0000000010000000-0x000000001005A000-memory.dmp

    Filesize

    360KB