Analysis

  • max time kernel
    119s
  • max time network
    39s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 7 IoCs
  • UPX packed file 7 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.

  • 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\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:1644
    • C:\Users\Admin\AppData\Local\Temp\040a46dda816173d7955e1b170fd5a71cae4826db70dd0e38ae7ef116995c6fdN.exe
      "C:\Users\Admin\AppData\Local\Temp\040a46dda816173d7955e1b170fd5a71cae4826db70dd0e38ae7ef116995c6fdN.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:536
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\CNOKI.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2012
        • 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:2944
      • 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:1912
        • 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:1660
        • 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:2256
          • 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:1740

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

    4e9a412312bbebcfaf084e217a53e118

    SHA1

    a3ca606bfad76f38aea2572b2601ec92eacdc884

    SHA256

    520ea83824504a2f234ce7725c55699fed046cd325a18fc114a74710dd61d562

    SHA512

    953632a5e969a4cb5b4c7a223a83d6228d6d6c3077b07f5a6dc09588dff72970b1436f995cb620f43111d5ceab614651f44ba039bd0aec4c28d9871408e47beb

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

    Filesize

    149B

    MD5

    fc1798b7c7938454220fda837a76f354

    SHA1

    b232912930b2bc24ff18bf7ecd58f872bbe01ea0

    SHA256

    7f0a5917b5aca9c5beb153aad0ef95bf0aeafb83768da5b086c3f029ba42d7c8

    SHA512

    d1abdd45a8e5d33893b9d19424174a07feed145d2e6b4be318ab5fde503f850579a4a101a010f30e16ecde2c7123f45357a8341214655321ee0f0097ca911331

  • C:\Users\Admin\AppData\Local\Temp\CabB82A.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarB84C.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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

    Filesize

    88KB

    MD5

    1d2e97b514a5a4aebbe139efeb13f513

    SHA1

    18ebe344854ef8fc2251d01e311c608bf4b4f2ca

    SHA256

    3ae69e14034d3f2312123d941e08fd81d8dcb546d2db977673a914052cd0b9e4

    SHA512

    597a3a3e66b3827b266ca162c6c88631421ad2d14085a8231238585ff1742bf063d3965e5398d6bf07cdef91f90c82e559f167158ed3cdaa68ecbfa0b3e4b8a1

  • memory/536-139-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/536-141-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/536-324-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/536-145-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/536-147-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/536-149-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/536-146-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/536-143-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1644-133-0x0000000002600000-0x0000000002601000-memory.dmp

    Filesize

    4KB

  • memory/1644-137-0x0000000002640000-0x0000000002641000-memory.dmp

    Filesize

    4KB

  • memory/1644-84-0x0000000002590000-0x0000000002591000-memory.dmp

    Filesize

    4KB

  • memory/1644-39-0x0000000002580000-0x0000000002581000-memory.dmp

    Filesize

    4KB

  • memory/1644-86-0x00000000025B0000-0x00000000025B1000-memory.dmp

    Filesize

    4KB

  • memory/1644-87-0x00000000025C0000-0x00000000025C1000-memory.dmp

    Filesize

    4KB

  • memory/1644-134-0x0000000002610000-0x0000000002611000-memory.dmp

    Filesize

    4KB

  • memory/1644-135-0x0000000002620000-0x0000000002621000-memory.dmp

    Filesize

    4KB

  • memory/1644-136-0x0000000002630000-0x0000000002631000-memory.dmp

    Filesize

    4KB

  • memory/1644-85-0x00000000025A0000-0x00000000025A1000-memory.dmp

    Filesize

    4KB

  • memory/1644-89-0x00000000025E0000-0x00000000025E1000-memory.dmp

    Filesize

    4KB

  • memory/1644-90-0x00000000025F0000-0x00000000025F1000-memory.dmp

    Filesize

    4KB

  • memory/1644-138-0x0000000002660000-0x0000000002661000-memory.dmp

    Filesize

    4KB

  • memory/1644-37-0x0000000002570000-0x0000000002571000-memory.dmp

    Filesize

    4KB

  • memory/1644-2-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/1644-88-0x00000000025D0000-0x00000000025D1000-memory.dmp

    Filesize

    4KB

  • memory/1660-473-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2256-336-0x0000000000400000-0x0000000000403000-memory.dmp

    Filesize

    12KB

  • memory/2256-321-0x0000000000400000-0x0000000000403000-memory.dmp

    Filesize

    12KB