Analysis

  • max time kernel
    24s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    08/08/2026, 10:22

General

  • Target
    8月签证新政策pdf.exe
  • Size 16.4MB
  • Sample260808-med59avdmd
  • SHA256 b32d0e7ff0e4530e4d87a71320099e9f7a8d992fdc2c235def0bc6c7b75c5349
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 2 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.

  • Inno Setup is an open-source installation builder for Windows applications. 4 IoCs

    Inno Setup installer

  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8月签证新政策pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\8月签证新政策pdf.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1848
    • C:\Users\Admin\AppData\Local\Temp\is-FQVBA.tmp\8月签证新政策pdf.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-FQVBA.tmp\8月签证新政策pdf.tmp" /SL5="$D005C,16421115,790016,C:\Users\Admin\AppData\Local\Temp\8月签证新政策pdf.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4880
      • C:\Users\Admin\AppData\Local\Local\assembly\dl3\QrNFC\K9VjmT\lvXxkZ\m9JPII\L2krBkJevC.exe
        "C:\Users\Admin\AppData\Local\Local\assembly\dl3\QrNFC\K9VjmT\lvXxkZ\m9JPII\L2krBkJevC.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:2504
  • C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"
    1⤵
      PID:3924

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          L2krBkJevC.exe

          • Path C:\Users\Admin\AppData\Local\Local\assembly\dl3\QrNFC\K9VjmT\lvXxkZ\m9JPII\L2krBkJevC.exe
          • Size 73KB
          • SHA256 a7c9c8278b94ffc0c47ea4dd127ea0881367b40e87c8ef0d996518c6cc736118
          • MD5 SHA1 SHA512 SSDEEP TLSH

          yWN6Bu.1HT

          • Path C:\Users\Admin\AppData\Local\Local\assembly\dl3\QrNFC\K9VjmT\lvXxkZ\m9JPII\yWN6Bu.1HT
          • Size 10.1MB
          • SHA256 7ee64832e88aefc44d41bb70c52c2c3ee153ea1d5dfdadfc1f8d2fc301dae465
          • MD5 SHA1 SHA512 SSDEEP TLSH

          z3bRcvDpK.X

          • Path C:\Users\Admin\AppData\Local\Local\assembly\dl3\QrNFC\K9VjmT\lvXxkZ\m9JPII\z3bRcvDpK.X
          • Size 4.5MB
          • SHA256 651a98e3ead8acf2b6baff81885fa3c9835bd1377399a51b3da885870139125f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          8月签证新政策pdf.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\is-FQVBA.tmp\8月签证新政策pdf.tmp
          • Size 2.9MB
          • SHA256 6c749ee756275ebaf67d169fde9ea88a6a65076db421835c72977e7d8586f3ce
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1848-0-0x0000000000400000-0x00000000004CE000-memory.dmp

          memory/1848-22-0x0000000000400000-0x00000000004CE000-memory.dmp

          memory/1848-0-0x0000000000400000-0x00000000004CE000-memory.dmp

          memory/1848-22-0x0000000000400000-0x00000000004CE000-memory.dmp

          memory/2504-34-0x0000000005360000-0x000000000785E000-memory.dmp

          memory/2504-35-0x0000000005360000-0x000000000785E000-memory.dmp

          memory/2504-28-0x0000000005360000-0x000000000785E000-memory.dmp

          memory/2504-35-0x0000000005360000-0x000000000785E000-memory.dmp

          memory/2504-33-0x0000000005360000-0x000000000785E000-memory.dmp

          memory/2504-32-0x0000000005360000-0x000000000785E000-memory.dmp

          memory/2504-24-0x0000000003F20000-0x000000000492A000-memory.dmp

          memory/2504-34-0x0000000005360000-0x000000000785E000-memory.dmp

          memory/2504-32-0x0000000005360000-0x000000000785E000-memory.dmp

          memory/2504-33-0x0000000005360000-0x000000000785E000-memory.dmp

          memory/2504-27-0x0000000005360000-0x000000000785E000-memory.dmp

          memory/2504-28-0x0000000005360000-0x000000000785E000-memory.dmp

          memory/2504-27-0x0000000005360000-0x000000000785E000-memory.dmp

          memory/2504-24-0x0000000003F20000-0x000000000492A000-memory.dmp

          memory/3924-38-0x0000025694310000-0x000002569680E000-memory.dmp

          memory/3924-36-0x0000025694310000-0x000002569680E000-memory.dmp

          memory/3924-36-0x0000025694310000-0x000002569680E000-memory.dmp

          memory/3924-38-0x0000025694310000-0x000002569680E000-memory.dmp

          memory/4880-5-0x0000000002870000-0x0000000002871000-memory.dmp

          memory/4880-21-0x0000000000400000-0x00000000006F0000-memory.dmp

          memory/4880-5-0x0000000002870000-0x0000000002871000-memory.dmp

          memory/4880-21-0x0000000000400000-0x00000000006F0000-memory.dmp