Analysis

  • max time kernel
    148s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    18/10/2024, 02:48

General

  • Target

    c53d54f5cfc3abd17655fc8b10cc480969e07177133439373e068808b660ad40.exe

  • Size

    88KB

  • MD5

    739e4b5527751fcb48c0f182eb9e26fe

  • SHA1

    7cec1ad04227518243786bb33565c2e91bd5fcd3

  • SHA256

    c53d54f5cfc3abd17655fc8b10cc480969e07177133439373e068808b660ad40

  • SHA512

    67a5155c633b74183d4e6443acd77f3d055f9d4fb59816ef0ad1984cec87a8355646af094ee33484ad10d75c5c857a72540612f00bfba25cf63b2b2b462f47f8

  • SSDEEP

    1536:ahUDofByDJWbMGcEFLPEPKOJUsy1+VMA:aIofBHbKMP0PvMA

Malware Config

Signatures

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 7 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • UPX packed file 8 IoCs

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

  • 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.

  • Modifies system certificate store 2 TTPs 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c53d54f5cfc3abd17655fc8b10cc480969e07177133439373e068808b660ad40.exe
    "C:\Users\Admin\AppData\Local\Temp\c53d54f5cfc3abd17655fc8b10cc480969e07177133439373e068808b660ad40.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2976
    • C:\Users\Admin\AppData\Local\Temp\c53d54f5cfc3abd17655fc8b10cc480969e07177133439373e068808b660ad40.exe
      "C:\Users\Admin\AppData\Local\Temp\c53d54f5cfc3abd17655fc8b10cc480969e07177133439373e068808b660ad40.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:972
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\DXVTY.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2300
        • 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:1652
      • C:\Users\Admin\AppData\Roaming\config\explorer.exe
        "C:\Users\Admin\AppData\Roaming\config\explorer.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1820
        • 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:1508
        • 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:1616
          • C:\Users\Admin\AppData\Roaming\config\explorer.exe
            "C:\Users\Admin\AppData\Roaming\config\explorer.exe"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Modifies system certificate store
            PID:996

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    47e56beb64144be8982995c9e92aeb78

    SHA1

    62a270336474c665ced62b0da9c72343fb423206

    SHA256

    925a4a1137751efc99eafeb272c6242f786e4287e48f65f0c188a613bdc37d19

    SHA512

    8051ab3af1b1551fa1809f4ebe0236f60bc5dcc98e0aa6a5e350a325b3e75f72f362cb277e6558a56e17ac7c3734e17fb30fb70233b34ee41c397fef39d28a8b

  • C:\Users\Admin\AppData\Local\Temp\CabD98F.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\DXVTY.bat

    Filesize

    149B

    MD5

    fc1798b7c7938454220fda837a76f354

    SHA1

    b232912930b2bc24ff18bf7ecd58f872bbe01ea0

    SHA256

    7f0a5917b5aca9c5beb153aad0ef95bf0aeafb83768da5b086c3f029ba42d7c8

    SHA512

    d1abdd45a8e5d33893b9d19424174a07feed145d2e6b4be318ab5fde503f850579a4a101a010f30e16ecde2c7123f45357a8341214655321ee0f0097ca911331

  • C:\Users\Admin\AppData\Local\Temp\TarD9B1.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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

    Filesize

    88KB

    MD5

    c630479d8523be616699dadfe96211b5

    SHA1

    00c27d2e6547905b949ff480e0fde30a7265e27b

    SHA256

    f0b225256b38a77c1d9c0a9a57e88ae6d2dcb28807d8cbd578019ffa2449328c

    SHA512

    e1fb913e17cfe2f99617f1993c2b6d27d2ca7ef3aa7cac1bda1fe0c9212f2d12af67f757511c83a245150873550e67a571b73dfa83968346e7c18881cdaebfbb

  • memory/972-132-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/972-318-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/972-134-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/972-136-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/972-142-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/972-140-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/972-139-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/972-138-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1508-314-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1508-467-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1616-315-0x0000000000400000-0x0000000000403000-memory.dmp

    Filesize

    12KB

  • memory/1616-330-0x0000000000400000-0x0000000000403000-memory.dmp

    Filesize

    12KB

  • memory/2976-130-0x0000000001DA0000-0x0000000001DA1000-memory.dmp

    Filesize

    4KB

  • memory/2976-131-0x0000000002630000-0x0000000002631000-memory.dmp

    Filesize

    4KB

  • memory/2976-2-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2976-123-0x0000000001D90000-0x0000000001D91000-memory.dmp

    Filesize

    4KB

  • memory/2976-116-0x0000000001D80000-0x0000000001D81000-memory.dmp

    Filesize

    4KB

  • memory/2976-109-0x0000000001D70000-0x0000000001D71000-memory.dmp

    Filesize

    4KB

  • memory/2976-65-0x0000000001DA0000-0x0000000001DA1000-memory.dmp

    Filesize

    4KB

  • memory/2976-58-0x0000000001D90000-0x0000000001D91000-memory.dmp

    Filesize

    4KB

  • memory/2976-47-0x0000000001D70000-0x0000000001D71000-memory.dmp

    Filesize

    4KB