Analysis

  • max time kernel
    149s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    25/09/2024, 22:30

General

  • Target

    6b9b530191671bafbd7bb7c3bcfac219d9dd368d92c4c4ee0ea91c651cc7b357.exe

  • Size

    88KB

  • MD5

    b627909eafe9c51d960fd04e5d803a4f

  • SHA1

    e6ffe056728f95f8774c9d2111eb52a56703dd9d

  • SHA256

    6b9b530191671bafbd7bb7c3bcfac219d9dd368d92c4c4ee0ea91c651cc7b357

  • SHA512

    465f8de24f299edfcc551492c46ec9c69531caf182809f709f719e1a0d62ec6a438fb48c879531b8f158d4669bc31552beebc863d5a4acd156ea186b0a3e8b30

  • SSDEEP

    1536:ahUDofByDJWbMGcEFLPEPKOJUsy1+VMA:aIofBHbKMP0PvMA

Malware Config

Signatures

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 5 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\6b9b530191671bafbd7bb7c3bcfac219d9dd368d92c4c4ee0ea91c651cc7b357.exe
    "C:\Users\Admin\AppData\Local\Temp\6b9b530191671bafbd7bb7c3bcfac219d9dd368d92c4c4ee0ea91c651cc7b357.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2532
    • C:\Users\Admin\AppData\Local\Temp\6b9b530191671bafbd7bb7c3bcfac219d9dd368d92c4c4ee0ea91c651cc7b357.exe
      "C:\Users\Admin\AppData\Local\Temp\6b9b530191671bafbd7bb7c3bcfac219d9dd368d92c4c4ee0ea91c651cc7b357.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1376
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\DSRFG.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2868
        • 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:1764
      • 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:1644
        • 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:1760
        • 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:2024
          • 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:1460

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

    b965118067bbee14760e89c818a649c2

    SHA1

    a2cdf52fe9bbac471e032197b9640f39ef0cc5d1

    SHA256

    b77342c8c68f57bc1978ce3781a5f603bfb1b01c6ba12c4d9c4768181fcb4d02

    SHA512

    619fcd1540131a5a7eb0608fd2de834829c1098b690d9a1741da16c67099760e7149a2584b4f547abfc3fc0a5781e5b77bc5a1f70603464b7f2bfb2bfe2ffd6e

  • C:\Users\Admin\AppData\Local\Temp\CabCE49.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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

    Filesize

    149B

    MD5

    fc1798b7c7938454220fda837a76f354

    SHA1

    b232912930b2bc24ff18bf7ecd58f872bbe01ea0

    SHA256

    7f0a5917b5aca9c5beb153aad0ef95bf0aeafb83768da5b086c3f029ba42d7c8

    SHA512

    d1abdd45a8e5d33893b9d19424174a07feed145d2e6b4be318ab5fde503f850579a4a101a010f30e16ecde2c7123f45357a8341214655321ee0f0097ca911331

  • C:\Users\Admin\AppData\Local\Temp\TarCEC9.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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

    Filesize

    88KB

    MD5

    624ee57f9de5ba3d400cc600e9c212c1

    SHA1

    49f4ab41ebaa4ab36b9e40305765757097539ad1

    SHA256

    6511af040d2b0cf2c06b36174b7b4a76f8d325a677de64b4f9e9e3bf5c4a5142

    SHA512

    e34ed883b5336792cb992bbce9143bd119326111027bcd2def509155ef433f8ef7b81cf9a57005a50d2ce2877ad0cf309336cef059e6bb8d2353be88dadfc988

  • memory/1376-318-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1376-133-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1376-142-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1376-143-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1376-141-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1376-145-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1376-144-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1376-137-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1376-135-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1760-480-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2024-331-0x0000000000400000-0x0000000000403000-memory.dmp

    Filesize

    12KB

  • memory/2024-312-0x0000000000400000-0x0000000000403000-memory.dmp

    Filesize

    12KB

  • memory/2532-56-0x0000000000440000-0x0000000000441000-memory.dmp

    Filesize

    4KB

  • memory/2532-139-0x0000000000570000-0x0000000000571000-memory.dmp

    Filesize

    4KB

  • memory/2532-140-0x0000000000810000-0x0000000000811000-memory.dmp

    Filesize

    4KB

  • memory/2532-40-0x0000000000420000-0x0000000000421000-memory.dmp

    Filesize

    4KB

  • memory/2532-53-0x0000000000430000-0x0000000000431000-memory.dmp

    Filesize

    4KB

  • memory/2532-2-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2532-63-0x0000000000450000-0x0000000000451000-memory.dmp

    Filesize

    4KB

  • memory/2532-74-0x00000000004A0000-0x00000000004A1000-memory.dmp

    Filesize

    4KB

  • memory/2532-75-0x00000000004B0000-0x00000000004B1000-memory.dmp

    Filesize

    4KB

  • memory/2532-130-0x00000000003F0000-0x00000000003F1000-memory.dmp

    Filesize

    4KB

  • memory/2532-131-0x0000000000540000-0x0000000000541000-memory.dmp

    Filesize

    4KB

  • memory/2532-132-0x0000000000550000-0x0000000000551000-memory.dmp

    Filesize

    4KB