Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-09-2024 20:16

General

  • Target

    360b17758f25eab48edbb48d6f32d13c22f1945e642f494291c58ea17be7b9cb.exe

  • Size

    10.7MB

  • MD5

    df5b665bbe10e9030db9d10ff11171ba

  • SHA1

    0f6a96585d80b904b2e3447eb7f280a80d542a85

  • SHA256

    360b17758f25eab48edbb48d6f32d13c22f1945e642f494291c58ea17be7b9cb

  • SHA512

    0eee3518a899fb1aea16d90e598fd737cea8221e1c668f998cafd1cca69ce30198ddcbde1b81bdd0e6bab30d3da99b8a59a858ce842182928599ba17a9efa348

  • SSDEEP

    196608:tsjklL99RguLBCdFRIqBhFrc4jZdg5yaZWjwKxAwDV69TP8n+Nnw+:399RZLBDk04Lg5yDjwKtUFEnWnw

Malware Config

Signatures

  • FatalRat

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

  • Fatal Rat payload 3 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 IoCs
  • VMProtect packed file 6 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 36 IoCs
  • UPX packed file 1 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 4 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\360b17758f25eab48edbb48d6f32d13c22f1945e642f494291c58ea17be7b9cb.exe
    "C:\Users\Admin\AppData\Local\Temp\360b17758f25eab48edbb48d6f32d13c22f1945e642f494291c58ea17be7b9cb.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3848
    • C:\Users\Admin\AppData\Local\Temp\sevchost.exe
      C:\Users\Admin\AppData\Local\Temp\\sevchost.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3000
    • C:\Users\Admin\Documents\sevchost.exe
      C:\Users\Admin\Documents\\sevchost.exe
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2428
      • C:\Users\Admin\AppData\Local\sevchost.exe
        "C:\Users\Admin\AppData\Local\sevchost.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:10148

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\sevchost.exe

    Filesize

    908KB

    MD5

    8390ee2fd97cde38668ab3cf59efa7eb

    SHA1

    596911c48f40c00e494abc04f603f2a3244b25e7

    SHA256

    5bbab49b432fc0fb0e4874116b896e4aaae495bb35bad16424e2ac7c67ba1159

    SHA512

    5c4cd607203f9028b3bc1b0c69dd8e2dc4e52c989fb5a764f6d43364bd055644a1c19b106d8bb207d76b2dd287e9564df63cd9ea0d29c4f9ea51d96dfa3df1c8

  • C:\Users\Admin\Documents\CCStudio\HpSocket4C.dll

    Filesize

    2.8MB

    MD5

    4bc970a97300b1a725d44bba23d8697a

    SHA1

    6f1eb181153692814e038e2f851d0734646f78f8

    SHA256

    c9d8fb5311ae6018dc1ca72774cb7efeba5c115c827a5cfb795b3580499e323d

    SHA512

    03968ca876b7e584de0a1418cca1dd2036fd0b4744f86d69aee5691a42061e284f8d9577293ef3f656be332f7da5ca276f85c6393bd6d8eb7de181baec0285f8

  • memory/2428-16380-0x0000000000400000-0x00000000004F8000-memory.dmp

    Filesize

    992KB

  • memory/2428-9175-0x0000000076E00000-0x0000000076E7A000-memory.dmp

    Filesize

    488KB

  • memory/2428-16364-0x0000000000400000-0x00000000004F8000-memory.dmp

    Filesize

    992KB

  • memory/2428-16365-0x0000000010000000-0x000000001002A000-memory.dmp

    Filesize

    168KB

  • memory/2428-16361-0x0000000000400000-0x00000000004F8000-memory.dmp

    Filesize

    992KB

  • memory/2428-16370-0x0000000002400000-0x0000000002401000-memory.dmp

    Filesize

    4KB

  • memory/2428-16362-0x0000000000400000-0x00000000004F8000-memory.dmp

    Filesize

    992KB

  • memory/2428-7166-0x0000000077330000-0x00000000774D0000-memory.dmp

    Filesize

    1.6MB

  • memory/2428-3292-0x0000000076A10000-0x0000000076C25000-memory.dmp

    Filesize

    2.1MB

  • memory/2428-3291-0x0000000000400000-0x00000000004F8000-memory.dmp

    Filesize

    992KB

  • memory/3000-26-0x0000000000400000-0x00000000004F8000-memory.dmp

    Filesize

    992KB

  • memory/3000-29471-0x0000000000400000-0x00000000004F8000-memory.dmp

    Filesize

    992KB

  • memory/3000-27-0x0000000076A10000-0x0000000076C25000-memory.dmp

    Filesize

    2.1MB

  • memory/3848-29465-0x0000000000400000-0x0000000001D7F000-memory.dmp

    Filesize

    25.5MB

  • memory/3848-13-0x0000000000400000-0x0000000001D7F000-memory.dmp

    Filesize

    25.5MB

  • memory/3848-4-0x0000000003C60000-0x0000000003C61000-memory.dmp

    Filesize

    4KB

  • memory/3848-19-0x00000000060B0000-0x00000000060D6000-memory.dmp

    Filesize

    152KB

  • memory/3848-7-0x0000000003C80000-0x0000000003C81000-memory.dmp

    Filesize

    4KB

  • memory/3848-3-0x00000000024A0000-0x00000000024A1000-memory.dmp

    Filesize

    4KB

  • memory/3848-6-0x0000000000D60000-0x00000000012D2000-memory.dmp

    Filesize

    5.4MB

  • memory/3848-29461-0x0000000000400000-0x0000000001D7F000-memory.dmp

    Filesize

    25.5MB

  • memory/3848-12-0x0000000000400000-0x0000000001D7F000-memory.dmp

    Filesize

    25.5MB

  • memory/3848-11-0x0000000000400000-0x0000000001D7F000-memory.dmp

    Filesize

    25.5MB

  • memory/3848-1-0x0000000002450000-0x0000000002451000-memory.dmp

    Filesize

    4KB

  • memory/3848-25-0x0000000000400000-0x0000000001D7F000-memory.dmp

    Filesize

    25.5MB

  • memory/3848-0-0x0000000001DE0000-0x0000000001DE1000-memory.dmp

    Filesize

    4KB

  • memory/3848-5-0x0000000003C70000-0x0000000003C71000-memory.dmp

    Filesize

    4KB

  • memory/3848-2-0x0000000002460000-0x0000000002461000-memory.dmp

    Filesize

    4KB

  • memory/3848-29466-0x0000000000D60000-0x00000000012D2000-memory.dmp

    Filesize

    5.4MB

  • memory/10148-16381-0x0000000000400000-0x00000000004F8000-memory.dmp

    Filesize

    992KB

  • memory/10148-29452-0x0000000000400000-0x00000000004F8000-memory.dmp

    Filesize

    992KB

  • memory/10148-29451-0x0000000000400000-0x00000000004F8000-memory.dmp

    Filesize

    992KB

  • memory/10148-29454-0x0000000000400000-0x00000000004F8000-memory.dmp

    Filesize

    992KB

  • memory/10148-29462-0x0000000000400000-0x00000000004F8000-memory.dmp

    Filesize

    992KB

  • memory/10148-22266-0x0000000076E00000-0x0000000076E7A000-memory.dmp

    Filesize

    488KB

  • memory/10148-20257-0x0000000077330000-0x00000000774D0000-memory.dmp

    Filesize

    1.6MB

  • memory/10148-16383-0x0000000076A10000-0x0000000076C25000-memory.dmp

    Filesize

    2.1MB