Analysis

  • max time kernel
    119s
  • max time network
    93s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/09/2024, 03:42

General

  • Target

    040a46dda816173d7955e1b170fd5a71cae4826db70dd0e38ae7ef116995c6fdN.exe

  • Size

    88KB

  • MD5

    465c3f8ebf81e1f989a2a679daa8ec60

  • SHA1

    3d88c902d8f95b16600dc287ec93876056dacd74

  • SHA256

    040a46dda816173d7955e1b170fd5a71cae4826db70dd0e38ae7ef116995c6fd

  • SHA512

    29fed2480db38e07b0bec416bbfb1d5902d8c210cc1e3f2b7b0f67b4ad6d7aa2386d53d8055ac744b961bb00811933b20d6013062a1eee3878cb29b7c7dd7ecc

  • SSDEEP

    1536:ahUDofByDJWbMGcEFLPEPKOJUsy1+VMAh:aIofBHbKMP0PvMAh

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 4 IoCs
  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\040a46dda816173d7955e1b170fd5a71cae4826db70dd0e38ae7ef116995c6fdN.exe
    "C:\Users\Admin\AppData\Local\Temp\040a46dda816173d7955e1b170fd5a71cae4826db70dd0e38ae7ef116995c6fdN.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3232
    • C:\Users\Admin\AppData\Local\Temp\040a46dda816173d7955e1b170fd5a71cae4826db70dd0e38ae7ef116995c6fdN.exe
      "C:\Users\Admin\AppData\Local\Temp\040a46dda816173d7955e1b170fd5a71cae4826db70dd0e38ae7ef116995c6fdN.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3668
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\JNTAG.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3200
        • C:\Windows\SysWOW64\reg.exe
          REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Video Driver" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\config\explorer.exe" /f
          4⤵
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          PID:2884
      • C:\Users\Admin\AppData\Roaming\config\explorer.exe
        "C:\Users\Admin\AppData\Roaming\config\explorer.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3784
        • C:\Users\Admin\AppData\Roaming\config\explorer.exe
          "C:\Users\Admin\AppData\Roaming\config\explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:4148
        • C:\Users\Admin\AppData\Roaming\config\explorer.exe
          "C:\Users\Admin\AppData\Roaming\config\explorer.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4816
          • C:\Users\Admin\AppData\Roaming\config\explorer.exe
            "C:\Users\Admin\AppData\Roaming\config\explorer.exe"
            5⤵
            • Checks computer location settings
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:4648

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\cxz.exe

    Filesize

    294B

    MD5

    0372094e64239acc12b7ea5057914b99

    SHA1

    5b3517e86f7952f1629547a5b4de85cd088cdff4

    SHA256

    eff4cee0459e2a86d70073f40c79ddd095fdc73b9970d398bdfd20db94d03b39

    SHA512

    65966b6a4e53f7c768996d97a7f3066737aeacb7ec94e261bdd1931a0085713aa67ebf6448d84dd66c7ed30d55e8cfb03df433169014a9a88a319f4771f5d76b

  • C:\Users\Admin\AppData\Local\Temp\JNTAG.txt

    Filesize

    149B

    MD5

    fc1798b7c7938454220fda837a76f354

    SHA1

    b232912930b2bc24ff18bf7ecd58f872bbe01ea0

    SHA256

    7f0a5917b5aca9c5beb153aad0ef95bf0aeafb83768da5b086c3f029ba42d7c8

    SHA512

    d1abdd45a8e5d33893b9d19424174a07feed145d2e6b4be318ab5fde503f850579a4a101a010f30e16ecde2c7123f45357a8341214655321ee0f0097ca911331

  • C:\Users\Admin\AppData\Roaming\config\explorer.exe

    Filesize

    88KB

    MD5

    60f6da0ed12026086467b0c2ea6aa025

    SHA1

    f61e9e644aedfa19c69c0c3b2eb5532f0e03b462

    SHA256

    51e8d17fe08acf34dd763a8fc236a1d6bb52adaaab7d9041968bafb7833e0f06

    SHA512

    caa2e5aec33be3536386e41d111a062b12590246a7e1769b01d0214bbf6549183fb58b1070f19287b6a622be715d42f7e4a88130616c1b9fa2432767d1046559

  • memory/3232-14-0x0000000002300000-0x0000000002301000-memory.dmp

    Filesize

    4KB

  • memory/3232-12-0x00000000022F0000-0x00000000022F1000-memory.dmp

    Filesize

    4KB

  • memory/3232-2-0x00000000022D0000-0x00000000022D1000-memory.dmp

    Filesize

    4KB

  • memory/3232-16-0x0000000002C10000-0x0000000002C11000-memory.dmp

    Filesize

    4KB

  • memory/3232-15-0x0000000002310000-0x0000000002311000-memory.dmp

    Filesize

    4KB

  • memory/3232-4-0x00000000022F0000-0x00000000022F1000-memory.dmp

    Filesize

    4KB

  • memory/3232-13-0x0000000002C00000-0x0000000002C01000-memory.dmp

    Filesize

    4KB

  • memory/3232-3-0x00000000022E0000-0x00000000022E1000-memory.dmp

    Filesize

    4KB

  • memory/3232-11-0x0000000002BE0000-0x0000000002BE1000-memory.dmp

    Filesize

    4KB

  • memory/3232-10-0x00000000022E0000-0x00000000022E1000-memory.dmp

    Filesize

    4KB

  • memory/3232-9-0x0000000002BC0000-0x0000000002BC1000-memory.dmp

    Filesize

    4KB

  • memory/3232-8-0x00000000022D0000-0x00000000022D1000-memory.dmp

    Filesize

    4KB

  • memory/3232-6-0x0000000002310000-0x0000000002311000-memory.dmp

    Filesize

    4KB

  • memory/3232-5-0x0000000002300000-0x0000000002301000-memory.dmp

    Filesize

    4KB

  • memory/3232-7-0x0000000002320000-0x0000000002321000-memory.dmp

    Filesize

    4KB

  • memory/3668-19-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3668-17-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3668-20-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3668-65-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3784-62-0x0000000000400000-0x0000000000416000-memory.dmp

    Filesize

    88KB

  • memory/3784-46-0x0000000000400000-0x0000000000416000-memory.dmp

    Filesize

    88KB

  • memory/3784-48-0x0000000000400000-0x0000000000416000-memory.dmp

    Filesize

    88KB

  • memory/3784-47-0x0000000000400000-0x0000000000416000-memory.dmp

    Filesize

    88KB

  • memory/4148-95-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4648-71-0x0000000000400000-0x0000000000404000-memory.dmp

    Filesize

    16KB

  • memory/4648-66-0x0000000000400000-0x0000000000404000-memory.dmp

    Filesize

    16KB

  • memory/4648-93-0x0000000000400000-0x0000000000404000-memory.dmp

    Filesize

    16KB

  • memory/4816-53-0x0000000000400000-0x0000000000403000-memory.dmp

    Filesize

    12KB

  • memory/4816-68-0x0000000000400000-0x0000000000403000-memory.dmp

    Filesize

    12KB

  • memory/4816-58-0x0000000000400000-0x0000000000403000-memory.dmp

    Filesize

    12KB

  • memory/4816-59-0x0000000000400000-0x0000000000403000-memory.dmp

    Filesize

    12KB

  • memory/4816-57-0x0000000000400000-0x0000000000403000-memory.dmp

    Filesize

    12KB