Analysis

  • max time kernel
    119s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    27-08-2023 00:31

General

  • Target

    70032d6d08402516ab464181773608750231cf5036a9f1cddfc9aad250ee76b4.exe

  • Size

    15.4MB

  • MD5

    72fa8fdb2aeac623d34c8635744670a4

  • SHA1

    1bcb5e0b3f43d0529650225b05e79cf8c59123fc

  • SHA256

    70032d6d08402516ab464181773608750231cf5036a9f1cddfc9aad250ee76b4

  • SHA512

    9398f3a55c978ce993f87595a619f025815fec63e97b15de42ff1acdf8bd770791bdbdfe71ad2ea61fa7af838deb5ef34af4616bf1f15e0829faa82421298b22

  • SSDEEP

    393216:ZZ5ubaquU3Ie1no4aHLup8f7A2yefA4KaxEzJm:ZZIbMU3Z1J7ODR1fzKamJm

Malware Config

Signatures

  • FatalRat

    FatalRat is a modular infostealer family written in C++ first appearing in June 2021.

  • Fatal Rat payload 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 7 IoCs
  • UPX packed file 13 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 59 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\70032d6d08402516ab464181773608750231cf5036a9f1cddfc9aad250ee76b4.exe
    "C:\Users\Admin\AppData\Local\Temp\70032d6d08402516ab464181773608750231cf5036a9f1cddfc9aad250ee76b4.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2456
    • C:\Windows\system32\cmd.exe
      cmd.exe /c set
      2⤵
        PID:2496
      • C:\Users\Admin\AppData\Local\Temp\~568895011252200263~\sg.tmp
        7zG_exe x "C:\Users\Admin\AppData\Local\Temp\70032d6d08402516ab464181773608750231cf5036a9f1cddfc9aad250ee76b4.exe" -y -aoa -o"C:\Program Files (x86)\"
        2⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious use of AdjustPrivilegeToken
        PID:1080
      • C:\Program Files (x86)\m3.exe
        "C:\Program Files (x86)\\m3.exe"
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2952
        • C:\Windows\DNomb\spolsvt.exe
          C:\Windows\DNomb\spolsvt.exe
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2436
          • C:\Users\Public\Documents\t\spolsvt.exe
            C:\Users\Public\Documents\t\spolsvt.exe
            4⤵
            • Executes dropped EXE
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2588
      • C:\Users\Admin\AppData\Local\Temp\70032d6d08402516ab464181773608750231cf5036a9f1cddfc9aad250ee76b4.exe
        PECMD**pecmd-cmd* EXEC -wd:C: -hide cmd /c "C:\Users\Admin\AppData\Local\Temp\~8150772726496551949.cmd"
        2⤵
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2840
        • C:\Windows\system32\cmd.exe
          cmd /c "C:\Users\Admin\AppData\Local\Temp\~8150772726496551949.cmd"
          3⤵
            PID:2700
      • C:\Users\Public\Documents\123\PTvrst.exe
        "C:\Users\Public\Documents\123\PTvrst.exe"
        1⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:540

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files (x86)\letsvpn-latest.exe

        Filesize

        14.3MB

        MD5

        291be48f62359b80b3774eb4699e0e79

        SHA1

        09e1ba3935cb3950160859584242aa1919cfd73c

        SHA256

        7ccac89afb5c01a8b22e2d82cfe2293f169a2e963c2780e40008b588938975fa

        SHA512

        e7fabc74a164b315bd91f3d793023139da8b85bbf02b68214d21ddedcdd8f9a8180a4b0c9db9210dd8891d2cd13ce970530f869a750d5b1057c296c5dba3b1a4

      • C:\Program Files (x86)\m3.exe

        Filesize

        394KB

        MD5

        8e20fbdc0ce6cbf27fcc7d3ae77b455f

        SHA1

        1e1009abe3adc82d6e6070a7e6d4bcddd33a02f3

        SHA256

        41ec2cee1770658a5f7d52ef1d5705a18fe1bffd27832694c2a92c4c42f9b2e9

        SHA512

        550b0b8f05e383f9eb2da0de3f51961af25a36646d33cdbbb51e974602410d3172547d1bdb86b60ee276485537e8bcc88f9b16898c2a6bfad774b4dffccbb91e

      • C:\Program Files (x86)\m3.exe

        Filesize

        394KB

        MD5

        8e20fbdc0ce6cbf27fcc7d3ae77b455f

        SHA1

        1e1009abe3adc82d6e6070a7e6d4bcddd33a02f3

        SHA256

        41ec2cee1770658a5f7d52ef1d5705a18fe1bffd27832694c2a92c4c42f9b2e9

        SHA512

        550b0b8f05e383f9eb2da0de3f51961af25a36646d33cdbbb51e974602410d3172547d1bdb86b60ee276485537e8bcc88f9b16898c2a6bfad774b4dffccbb91e

      • C:\Users\Admin\AppData\Local\Temp\~568895011252200263~\sg.tmp

        Filesize

        715KB

        MD5

        7c4718943bd3f66ebdb47ccca72c7b1e

        SHA1

        f9edfaa7adb8fa528b2e61b2b251f18da10a6969

        SHA256

        4cc32d00338fc7b206a7c052297acf9ac304ae7de9d61a2475a116959c1524fc

        SHA512

        e18c40d646fa4948f90f7471da55489df431f255041ebb6dcef86346f91078c9b27894e27216a4b2fe2a1c5e501c7953c77893cf696930123d28a322d49e1516

      • C:\Users\Admin\AppData\Local\Temp\~8150772726496551949.cmd

        Filesize

        280B

        MD5

        42ff656bd4ee3e19a5828940041fdfdb

        SHA1

        2e3c7f0fd42dd48b014e82e9e5edf50664ae5698

        SHA256

        b326705c28abc9947182f84830e0e680d35551157b408a0f9cfd137279a02838

        SHA512

        4ba36b5e44c94df09b91b3557237dae6b74a9fe04da686f157938446cf635c464f616126e937400ee4d577708b3bdcb7f88cec8df23d344bfd7105b75f9ec7b0

      • C:\Users\Admin\AppData\Local\Temp\~8150772726496551949.cmd

        Filesize

        280B

        MD5

        42ff656bd4ee3e19a5828940041fdfdb

        SHA1

        2e3c7f0fd42dd48b014e82e9e5edf50664ae5698

        SHA256

        b326705c28abc9947182f84830e0e680d35551157b408a0f9cfd137279a02838

        SHA512

        4ba36b5e44c94df09b91b3557237dae6b74a9fe04da686f157938446cf635c464f616126e937400ee4d577708b3bdcb7f88cec8df23d344bfd7105b75f9ec7b0

      • C:\Users\Public\Documents\123\PTvrst.exe

        Filesize

        1.2MB

        MD5

        d22cfb5bfaeb1503b12b07e53ef0a149

        SHA1

        8ea2c85e363f551a159fabd65377affed4e417a1

        SHA256

        260464fb05210cfb30ef7a12d568f75eb781634b251d958cae8911948f6ca360

        SHA512

        151024cb2960b1ee485ded7ccbb753fe368a93fda5699af72e568667fa54bfb0d1732444e7b60efaab6d372204157cdb6abbf8862d0e89d612dd963342215e45

      • C:\Users\Public\Documents\123\PTvrst.exe

        Filesize

        1.2MB

        MD5

        d22cfb5bfaeb1503b12b07e53ef0a149

        SHA1

        8ea2c85e363f551a159fabd65377affed4e417a1

        SHA256

        260464fb05210cfb30ef7a12d568f75eb781634b251d958cae8911948f6ca360

        SHA512

        151024cb2960b1ee485ded7ccbb753fe368a93fda5699af72e568667fa54bfb0d1732444e7b60efaab6d372204157cdb6abbf8862d0e89d612dd963342215e45

      • C:\Users\Public\Documents\t\spolsvt.exe

        Filesize

        16KB

        MD5

        cdce4713e784ae069d73723034a957ff

        SHA1

        9a393a6bab6568f1a774fb753353223f11367e09

        SHA256

        b29e48102ecb3d3614e8980a8b8cc63dd2b993c6346f466479244ec2b47b69d8

        SHA512

        0a3a59a305cc2a6fad4e1315b0bcc5a4129595dfe1e8b703363fa02528d2d7c48d3fd22d365708be84a5557cf1916873df9563c454732f93f94a66e7e3b9fb0f

      • C:\Users\Public\Documents\t\spolsvt.exe

        Filesize

        16KB

        MD5

        cdce4713e784ae069d73723034a957ff

        SHA1

        9a393a6bab6568f1a774fb753353223f11367e09

        SHA256

        b29e48102ecb3d3614e8980a8b8cc63dd2b993c6346f466479244ec2b47b69d8

        SHA512

        0a3a59a305cc2a6fad4e1315b0bcc5a4129595dfe1e8b703363fa02528d2d7c48d3fd22d365708be84a5557cf1916873df9563c454732f93f94a66e7e3b9fb0f

      • C:\Users\Public\Documents\t\spolsvt.exe

        Filesize

        16KB

        MD5

        cdce4713e784ae069d73723034a957ff

        SHA1

        9a393a6bab6568f1a774fb753353223f11367e09

        SHA256

        b29e48102ecb3d3614e8980a8b8cc63dd2b993c6346f466479244ec2b47b69d8

        SHA512

        0a3a59a305cc2a6fad4e1315b0bcc5a4129595dfe1e8b703363fa02528d2d7c48d3fd22d365708be84a5557cf1916873df9563c454732f93f94a66e7e3b9fb0f

      • C:\Windows\DNomb\spolsvt.exe

        Filesize

        9KB

        MD5

        523d5c39f9d8d2375c3df68251fa2249

        SHA1

        d4ed365c44bec9246fc1a65a32a7791792647a10

        SHA256

        20e3dc90a3e83b6202e2a7f4603b60e5e859639cb68693426c400b13aaeabd78

        SHA512

        526e1bba30d03f1ac177c6ab7409187a730969c429cebef15da68ffcf44b3b93227781eebc827b2f7a0fa17c391e00a0e532263fd0167aeaeb0456f96cfe3ae4

      • C:\Windows\DNomb\spolsvt.exe

        Filesize

        9KB

        MD5

        523d5c39f9d8d2375c3df68251fa2249

        SHA1

        d4ed365c44bec9246fc1a65a32a7791792647a10

        SHA256

        20e3dc90a3e83b6202e2a7f4603b60e5e859639cb68693426c400b13aaeabd78

        SHA512

        526e1bba30d03f1ac177c6ab7409187a730969c429cebef15da68ffcf44b3b93227781eebc827b2f7a0fa17c391e00a0e532263fd0167aeaeb0456f96cfe3ae4

      • \Program Files (x86)\m3.exe

        Filesize

        394KB

        MD5

        8e20fbdc0ce6cbf27fcc7d3ae77b455f

        SHA1

        1e1009abe3adc82d6e6070a7e6d4bcddd33a02f3

        SHA256

        41ec2cee1770658a5f7d52ef1d5705a18fe1bffd27832694c2a92c4c42f9b2e9

        SHA512

        550b0b8f05e383f9eb2da0de3f51961af25a36646d33cdbbb51e974602410d3172547d1bdb86b60ee276485537e8bcc88f9b16898c2a6bfad774b4dffccbb91e

      • \Program Files (x86)\m3.exe

        Filesize

        394KB

        MD5

        8e20fbdc0ce6cbf27fcc7d3ae77b455f

        SHA1

        1e1009abe3adc82d6e6070a7e6d4bcddd33a02f3

        SHA256

        41ec2cee1770658a5f7d52ef1d5705a18fe1bffd27832694c2a92c4c42f9b2e9

        SHA512

        550b0b8f05e383f9eb2da0de3f51961af25a36646d33cdbbb51e974602410d3172547d1bdb86b60ee276485537e8bcc88f9b16898c2a6bfad774b4dffccbb91e

      • \Users\Admin\AppData\Local\Temp\~568895011252200263~\sg.tmp

        Filesize

        715KB

        MD5

        7c4718943bd3f66ebdb47ccca72c7b1e

        SHA1

        f9edfaa7adb8fa528b2e61b2b251f18da10a6969

        SHA256

        4cc32d00338fc7b206a7c052297acf9ac304ae7de9d61a2475a116959c1524fc

        SHA512

        e18c40d646fa4948f90f7471da55489df431f255041ebb6dcef86346f91078c9b27894e27216a4b2fe2a1c5e501c7953c77893cf696930123d28a322d49e1516

      • \Users\Public\Documents\t\spolsvt.exe

        Filesize

        16KB

        MD5

        cdce4713e784ae069d73723034a957ff

        SHA1

        9a393a6bab6568f1a774fb753353223f11367e09

        SHA256

        b29e48102ecb3d3614e8980a8b8cc63dd2b993c6346f466479244ec2b47b69d8

        SHA512

        0a3a59a305cc2a6fad4e1315b0bcc5a4129595dfe1e8b703363fa02528d2d7c48d3fd22d365708be84a5557cf1916873df9563c454732f93f94a66e7e3b9fb0f

      • \Users\Public\Documents\t\spolsvt.exe

        Filesize

        16KB

        MD5

        cdce4713e784ae069d73723034a957ff

        SHA1

        9a393a6bab6568f1a774fb753353223f11367e09

        SHA256

        b29e48102ecb3d3614e8980a8b8cc63dd2b993c6346f466479244ec2b47b69d8

        SHA512

        0a3a59a305cc2a6fad4e1315b0bcc5a4129595dfe1e8b703363fa02528d2d7c48d3fd22d365708be84a5557cf1916873df9563c454732f93f94a66e7e3b9fb0f

      • \Windows\DNomb\spolsvt.exe

        Filesize

        9KB

        MD5

        523d5c39f9d8d2375c3df68251fa2249

        SHA1

        d4ed365c44bec9246fc1a65a32a7791792647a10

        SHA256

        20e3dc90a3e83b6202e2a7f4603b60e5e859639cb68693426c400b13aaeabd78

        SHA512

        526e1bba30d03f1ac177c6ab7409187a730969c429cebef15da68ffcf44b3b93227781eebc827b2f7a0fa17c391e00a0e532263fd0167aeaeb0456f96cfe3ae4

      • \Windows\DNomb\spolsvt.exe

        Filesize

        9KB

        MD5

        523d5c39f9d8d2375c3df68251fa2249

        SHA1

        d4ed365c44bec9246fc1a65a32a7791792647a10

        SHA256

        20e3dc90a3e83b6202e2a7f4603b60e5e859639cb68693426c400b13aaeabd78

        SHA512

        526e1bba30d03f1ac177c6ab7409187a730969c429cebef15da68ffcf44b3b93227781eebc827b2f7a0fa17c391e00a0e532263fd0167aeaeb0456f96cfe3ae4

      • memory/540-119-0x0000000004280000-0x0000000004281000-memory.dmp

        Filesize

        4KB

      • memory/540-113-0x00000000041C0000-0x00000000041C1000-memory.dmp

        Filesize

        4KB

      • memory/540-122-0x0000000004580000-0x0000000004582000-memory.dmp

        Filesize

        8KB

      • memory/540-121-0x0000000004360000-0x0000000004361000-memory.dmp

        Filesize

        4KB

      • memory/540-123-0x0000000004380000-0x0000000004381000-memory.dmp

        Filesize

        4KB

      • memory/540-125-0x00000000042C0000-0x00000000042C1000-memory.dmp

        Filesize

        4KB

      • memory/540-120-0x00000000042D0000-0x00000000042D1000-memory.dmp

        Filesize

        4KB

      • memory/540-118-0x00000000007C0000-0x00000000007C1000-memory.dmp

        Filesize

        4KB

      • memory/540-117-0x0000000004330000-0x0000000004331000-memory.dmp

        Filesize

        4KB

      • memory/540-116-0x00000000042B0000-0x00000000042B1000-memory.dmp

        Filesize

        4KB

      • memory/540-115-0x00000000042E0000-0x00000000042E1000-memory.dmp

        Filesize

        4KB

      • memory/540-131-0x0000000004250000-0x0000000004251000-memory.dmp

        Filesize

        4KB

      • memory/540-114-0x0000000004290000-0x0000000004291000-memory.dmp

        Filesize

        4KB

      • memory/540-108-0x0000000004300000-0x0000000004301000-memory.dmp

        Filesize

        4KB

      • memory/540-111-0x0000000004230000-0x0000000004231000-memory.dmp

        Filesize

        4KB

      • memory/540-126-0x0000000004340000-0x0000000004341000-memory.dmp

        Filesize

        4KB

      • memory/540-112-0x0000000004320000-0x0000000004321000-memory.dmp

        Filesize

        4KB

      • memory/540-110-0x00000000042F0000-0x00000000042F2000-memory.dmp

        Filesize

        8KB

      • memory/540-109-0x0000000004240000-0x0000000004241000-memory.dmp

        Filesize

        4KB

      • memory/540-127-0x0000000000400000-0x00000000006A2000-memory.dmp

        Filesize

        2.6MB

      • memory/540-100-0x0000000000400000-0x00000000006A2000-memory.dmp

        Filesize

        2.6MB

      • memory/540-128-0x0000000004250000-0x0000000004251000-memory.dmp

        Filesize

        4KB

      • memory/540-106-0x00000000042A0000-0x00000000042A1000-memory.dmp

        Filesize

        4KB

      • memory/540-102-0x0000000077A50000-0x0000000077A52000-memory.dmp

        Filesize

        8KB

      • memory/540-103-0x0000000004310000-0x0000000004311000-memory.dmp

        Filesize

        4KB

      • memory/540-104-0x0000000000400000-0x00000000006A2000-memory.dmp

        Filesize

        2.6MB

      • memory/540-105-0x00000000041D0000-0x00000000041D1000-memory.dmp

        Filesize

        4KB

      • memory/540-107-0x0000000004270000-0x0000000004271000-memory.dmp

        Filesize

        4KB

      • memory/2436-54-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2436-44-0x0000000000400000-0x0000000000516000-memory.dmp

        Filesize

        1.1MB

      • memory/2436-45-0x0000000000400000-0x0000000000516000-memory.dmp

        Filesize

        1.1MB

      • memory/2436-46-0x0000000000400000-0x0000000000516000-memory.dmp

        Filesize

        1.1MB

      • memory/2436-49-0x0000000000400000-0x0000000000516000-memory.dmp

        Filesize

        1.1MB

      • memory/2436-51-0x0000000000400000-0x0000000000516000-memory.dmp

        Filesize

        1.1MB

      • memory/2436-53-0x0000000000400000-0x0000000000516000-memory.dmp

        Filesize

        1.1MB

      • memory/2436-59-0x0000000000400000-0x0000000000516000-memory.dmp

        Filesize

        1.1MB

      • memory/2456-124-0x0000000000400000-0x0000000000572000-memory.dmp

        Filesize

        1.4MB

      • memory/2456-16-0x0000000001E10000-0x0000000001E20000-memory.dmp

        Filesize

        64KB

      • memory/2456-145-0x0000000000400000-0x0000000000572000-memory.dmp

        Filesize

        1.4MB

      • memory/2456-146-0x000000000A680000-0x000000000A7F2000-memory.dmp

        Filesize

        1.4MB

      • memory/2456-20-0x0000000002F20000-0x0000000003072000-memory.dmp

        Filesize

        1.3MB

      • memory/2456-94-0x0000000002F20000-0x0000000003072000-memory.dmp

        Filesize

        1.3MB

      • memory/2456-92-0x0000000001E10000-0x0000000001E20000-memory.dmp

        Filesize

        64KB

      • memory/2456-90-0x0000000000400000-0x0000000000572000-memory.dmp

        Filesize

        1.4MB

      • memory/2456-0-0x0000000000400000-0x0000000000572000-memory.dmp

        Filesize

        1.4MB

      • memory/2588-69-0x0000000000400000-0x0000000000430000-memory.dmp

        Filesize

        192KB

      • memory/2588-85-0x0000000010000000-0x000000001002A000-memory.dmp

        Filesize

        168KB

      • memory/2588-84-0x0000000000400000-0x0000000000430000-memory.dmp

        Filesize

        192KB

      • memory/2588-80-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2588-71-0x0000000000400000-0x0000000000430000-memory.dmp

        Filesize

        192KB

      • memory/2588-73-0x0000000000400000-0x0000000000430000-memory.dmp

        Filesize

        192KB

      • memory/2588-76-0x0000000000400000-0x0000000000430000-memory.dmp

        Filesize

        192KB

      • memory/2588-79-0x0000000000400000-0x0000000000430000-memory.dmp

        Filesize

        192KB

      • memory/2840-148-0x0000000000400000-0x0000000000572000-memory.dmp

        Filesize

        1.4MB

      • memory/2952-96-0x0000000000DA0000-0x0000000000EF2000-memory.dmp

        Filesize

        1.3MB

      • memory/2952-101-0x0000000000DA0000-0x0000000000EF2000-memory.dmp

        Filesize

        1.3MB

      • memory/2952-21-0x0000000000DA0000-0x0000000000EF2000-memory.dmp

        Filesize

        1.3MB