Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    21/04/2026, 00:25

General

  • Target
    (Relevant rectification documents) - 20260420224457.exe
  • Size 3.2MB
  • Sample260421-aqs3bsat21
  • SHA256 7a944dbd1ed983f335aff197143ed72004446324050c55ffd811afc6bf6c3d98
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Enumerates processes with tasklist 1 TTPs 5 IoCs
  • Executes dropped EXE 5 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 24 IoCs

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

  • Delays execution with timeout.exe 5 IoCs
  • Kills process with taskkill 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\(Relevant rectification documents) - 20260420224457.exe
    "C:\Users\Admin\AppData\Local\Temp\(Relevant rectification documents) - 20260420224457.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1924
    • C:\Windows\SysWOW64\taskkill.exe
      taskkill /f /im cmd.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:4744
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c start "" /B cmd /C C:\Users\Admin\AppData\Local\Temp\3F586FFBEE9CFE7AC07.BAT
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4376
      • C:\Windows\SysWOW64\cmd.exe
        cmd /C C:\Users\Admin\AppData\Local\Temp\3F586FFBEE9CFE7AC07.BAT
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1164
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist /FI "IMAGENAME eq (Relevant rectification documents) - 20260420224457.exe"
          4⤵
          • Enumerates processes with tasklist
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:5288
        • C:\Windows\SysWOW64\find.exe
          find /I "(Relevant rectification documents) - 20260420224457.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4896
        • C:\Users\Admin\AppData\Local\Temp\DD4EB11BE834B9EDC97.EXE
          "C:\Users\Admin\AppData\Local\Temp\DD4EB11BE834B9EDC97.EXE"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:6112
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 30 /nobreak
          4⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:4688
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist /FI "IMAGENAME eq (Relevant rectification documents) - 20260420224457.exe"
          4⤵
          • Enumerates processes with tasklist
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:4388
        • C:\Windows\SysWOW64\find.exe
          find /I "(Relevant rectification documents) - 20260420224457.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4184
        • C:\Users\Admin\AppData\Local\Temp\DD4EB11BE834B9EDC97.EXE
          "C:\Users\Admin\AppData\Local\Temp\DD4EB11BE834B9EDC97.EXE"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:1296
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 30 /nobreak
          4⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:3444
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist /FI "IMAGENAME eq (Relevant rectification documents) - 20260420224457.exe"
          4⤵
          • Enumerates processes with tasklist
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:1756
        • C:\Windows\SysWOW64\find.exe
          find /I "(Relevant rectification documents) - 20260420224457.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2936
        • C:\Users\Admin\AppData\Local\Temp\DD4EB11BE834B9EDC97.EXE
          "C:\Users\Admin\AppData\Local\Temp\DD4EB11BE834B9EDC97.EXE"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:5484
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 30 /nobreak
          4⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:5152
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist /FI "IMAGENAME eq (Relevant rectification documents) - 20260420224457.exe"
          4⤵
          • Enumerates processes with tasklist
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:5944
        • C:\Windows\SysWOW64\find.exe
          find /I "(Relevant rectification documents) - 20260420224457.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4292
        • C:\Users\Admin\AppData\Local\Temp\DD4EB11BE834B9EDC97.EXE
          "C:\Users\Admin\AppData\Local\Temp\DD4EB11BE834B9EDC97.EXE"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:3272
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 30 /nobreak
          4⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:3300
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist /FI "IMAGENAME eq (Relevant rectification documents) - 20260420224457.exe"
          4⤵
          • Enumerates processes with tasklist
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:1056
        • C:\Windows\SysWOW64\find.exe
          find /I "(Relevant rectification documents) - 20260420224457.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:5344
        • C:\Users\Admin\AppData\Local\Temp\DD4EB11BE834B9EDC97.EXE
          "C:\Users\Admin\AppData\Local\Temp\DD4EB11BE834B9EDC97.EXE"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:5916
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 30 /nobreak
          4⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:5572

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        3F586FFBEE9CFE7AC07.BAT

        • Path C:\Users\Admin\AppData\Local\Temp\3F586FFBEE9CFE7AC07.BAT
        • Size 894B
        • SHA256 77199674fcc2c4c9e8e1dd21c0094f7f0ce2f68dbb57e47d9e47b062cdc156db
        • MD5 SHA1 SHA512 TLSH

        DD4EB11BE834B9EDC97.EXE

        • Path C:\Users\Admin\AppData\Local\Temp\DD4EB11BE834B9EDC97.EXE
        • Size 3.2MB
        • SHA256 7a944dbd1ed983f335aff197143ed72004446324050c55ffd811afc6bf6c3d98
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1296-20-0x0000000000C00000-0x0000000000C4A000-memory.dmp

        memory/1924-12-0x0000000001000000-0x000000000104A000-memory.dmp

        memory/3272-36-0x00000000009B0000-0x00000000009FA000-memory.dmp

        memory/3300-41-0x0000000000D80000-0x0000000000DCA000-memory.dmp

        memory/3300-37-0x0000000000D80000-0x0000000000DCA000-memory.dmp

        memory/3444-21-0x0000000001480000-0x00000000014CA000-memory.dmp

        memory/3444-25-0x0000000001480000-0x00000000014CA000-memory.dmp

        memory/4688-17-0x0000000000B10000-0x0000000000B5A000-memory.dmp

        memory/4688-13-0x0000000000B10000-0x0000000000B5A000-memory.dmp

        memory/4744-6-0x00000000009E0000-0x0000000000A2A000-memory.dmp

        memory/5152-29-0x00000000006B0000-0x00000000006FA000-memory.dmp

        memory/5152-33-0x00000000006B0000-0x00000000006FA000-memory.dmp

        memory/5484-28-0x00000000007F0000-0x000000000083A000-memory.dmp

        memory/5572-45-0x00000000012F0000-0x000000000133A000-memory.dmp

        memory/5916-44-0x0000000001AC0000-0x0000000001B0A000-memory.dmp

        memory/6112-11-0x0000000001390000-0x00000000013DA000-memory.dmp