Analysis

  • max time kernel
    149s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    25-09-2024 09:55

General

  • Target

    c8db951a277b0199727beae0fe2d1435ee02f069701c11a918d4fd2e15a4df45.exe

  • Size

    10.7MB

  • MD5

    2248f14cf650313603c4601778b17e3b

  • SHA1

    853fbe5b8701e6889c4f4c067d44c9a578760e4b

  • SHA256

    c8db951a277b0199727beae0fe2d1435ee02f069701c11a918d4fd2e15a4df45

  • SHA512

    3f88dedad08cca7fa7e2c248a1cd19cfbefdaba677ea5672a017af49670ae46facf6636ec58491e95842befaca77d10c64bc2a85e506303707457245a2f049c4

  • SSDEEP

    196608:Uh5t02WoPZeUzV5CL8VS9HfAaDbjj2aL7cOfZRtWqQPW:e5t0o4U3VuoaH2aXbYZP

Malware Config

Signatures

  • FatalRat

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

  • Fatal Rat payload 3 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 7 IoCs
  • VMProtect packed file 7 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 39 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 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c8db951a277b0199727beae0fe2d1435ee02f069701c11a918d4fd2e15a4df45.exe
    "C:\Users\Admin\AppData\Local\Temp\c8db951a277b0199727beae0fe2d1435ee02f069701c11a918d4fd2e15a4df45.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1792
    • C:\Users\Admin\AppData\Local\Temp\sevchost.exe
      C:\Users\Admin\AppData\Local\Temp\\sevchost.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • 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:2808
      • 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:4956
    • C:\Users\Admin\Documents\sevchost.exe
      C:\Users\Admin\Documents\\sevchost.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2232

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

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

    Filesize

    2.8MB

    MD5

    4bc970a97300b1a725d44bba23d8697a

    SHA1

    6f1eb181153692814e038e2f851d0734646f78f8

    SHA256

    c9d8fb5311ae6018dc1ca72774cb7efeba5c115c827a5cfb795b3580499e323d

    SHA512

    03968ca876b7e584de0a1418cca1dd2036fd0b4744f86d69aee5691a42061e284f8d9577293ef3f656be332f7da5ca276f85c6393bd6d8eb7de181baec0285f8

  • memory/1792-57-0x0000000005130000-0x0000000005228000-memory.dmp

    Filesize

    992KB

  • memory/1792-24-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

  • memory/1792-29-0x00000000002A0000-0x00000000002A1000-memory.dmp

    Filesize

    4KB

  • memory/1792-56-0x0000000000400000-0x0000000001D81000-memory.dmp

    Filesize

    25.5MB

  • memory/1792-35-0x0000000000400000-0x0000000001D81000-memory.dmp

    Filesize

    25.5MB

  • memory/1792-22-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

  • memory/1792-19-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/1792-17-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/1792-14-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/1792-12-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/1792-9-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/1792-7-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/1792-5-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/1792-4-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/1792-2-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/1792-0-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/1792-39-0x0000000000400000-0x0000000001D81000-memory.dmp

    Filesize

    25.5MB

  • memory/1792-37-0x0000000000D60000-0x00000000012D4000-memory.dmp

    Filesize

    5.5MB

  • memory/1792-40-0x0000000000400000-0x0000000001D81000-memory.dmp

    Filesize

    25.5MB

  • memory/1792-42-0x0000000000400000-0x0000000001D81000-memory.dmp

    Filesize

    25.5MB

  • memory/1792-32-0x00000000002B0000-0x00000000002B1000-memory.dmp

    Filesize

    4KB

  • memory/1792-46-0x0000000001E00000-0x0000000001E26000-memory.dmp

    Filesize

    152KB

  • memory/1792-34-0x00000000002B0000-0x00000000002B1000-memory.dmp

    Filesize

    4KB

  • memory/1792-59-0x0000000005130000-0x0000000005228000-memory.dmp

    Filesize

    992KB

  • memory/1792-25435-0x0000000000400000-0x0000000001D81000-memory.dmp

    Filesize

    25.5MB

  • memory/1792-30-0x00000000002B0000-0x00000000002B1000-memory.dmp

    Filesize

    4KB

  • memory/1792-27-0x00000000002A0000-0x00000000002A1000-memory.dmp

    Filesize

    4KB

  • memory/1792-25436-0x0000000000D60000-0x00000000012D4000-memory.dmp

    Filesize

    5.5MB

  • memory/1792-308-0x0000000000D60000-0x00000000012D4000-memory.dmp

    Filesize

    5.5MB

  • memory/1792-22165-0x0000000000400000-0x0000000001D81000-memory.dmp

    Filesize

    25.5MB

  • memory/1792-4657-0x0000000005130000-0x0000000005228000-memory.dmp

    Filesize

    992KB

  • memory/1792-4658-0x0000000005130000-0x0000000005228000-memory.dmp

    Filesize

    992KB

  • memory/2232-25442-0x0000000000400000-0x00000000004F8000-memory.dmp

    Filesize

    992KB

  • memory/2808-541-0x0000000002170000-0x0000000002281000-memory.dmp

    Filesize

    1.1MB

  • memory/2808-530-0x0000000002170000-0x0000000002281000-memory.dmp

    Filesize

    1.1MB

  • memory/2808-545-0x0000000002170000-0x0000000002281000-memory.dmp

    Filesize

    1.1MB

  • memory/2808-539-0x0000000002170000-0x0000000002281000-memory.dmp

    Filesize

    1.1MB

  • memory/2808-537-0x0000000002170000-0x0000000002281000-memory.dmp

    Filesize

    1.1MB

  • memory/2808-535-0x0000000002170000-0x0000000002281000-memory.dmp

    Filesize

    1.1MB

  • memory/2808-533-0x0000000002170000-0x0000000002281000-memory.dmp

    Filesize

    1.1MB

  • memory/2808-531-0x0000000002170000-0x0000000002281000-memory.dmp

    Filesize

    1.1MB

  • memory/2808-547-0x0000000002170000-0x0000000002281000-memory.dmp

    Filesize

    1.1MB

  • memory/2808-15918-0x0000000000400000-0x00000000004F8000-memory.dmp

    Filesize

    992KB

  • memory/2808-4659-0x0000000000400000-0x00000000004F8000-memory.dmp

    Filesize

    992KB

  • memory/2808-543-0x0000000002170000-0x0000000002281000-memory.dmp

    Filesize

    1.1MB

  • memory/2808-549-0x0000000002170000-0x0000000002281000-memory.dmp

    Filesize

    1.1MB

  • memory/2808-551-0x0000000002170000-0x0000000002281000-memory.dmp

    Filesize

    1.1MB

  • memory/2808-553-0x0000000002170000-0x0000000002281000-memory.dmp

    Filesize

    1.1MB

  • memory/2808-60-0x0000000076E70000-0x0000000076EB7000-memory.dmp

    Filesize

    284KB

  • memory/2808-58-0x0000000000400000-0x00000000004F8000-memory.dmp

    Filesize

    992KB

  • memory/4956-25432-0x0000000000400000-0x00000000004F8000-memory.dmp

    Filesize

    992KB

  • memory/4956-15919-0x0000000000400000-0x00000000004F8000-memory.dmp

    Filesize

    992KB