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Analysis

  • max time kernel
    122s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/08/2023, 06:54

General

  • Target

    03ce65c5611985641dac20a41225328db082b1def75bfdfe0690e3b7d99b9055.exe

  • Size

    2.0MB

  • MD5

    9909b49705c7c8200b23883e8672dff6

  • SHA1

    6324bf351f4f15965ec36f86ac2bd487a9418fa8

  • SHA256

    03ce65c5611985641dac20a41225328db082b1def75bfdfe0690e3b7d99b9055

  • SHA512

    94db7d2953665d4956c93eb3817208a24e614dd7d5187c6ed26803714f7647d56681d84e11eea52c4096bd85dcf95a37dbbe38625379322bf5a08649809996fd

  • SSDEEP

    49152:g//zv8eS+mresgoTHr3V296NnOEODnwR2/QqNmV1:ubUYmrrgoTHTI0NnOEODnwR2/QqNm

Malware Config

Signatures

  • FatalRat

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

  • Fatal Rat payload 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\03ce65c5611985641dac20a41225328db082b1def75bfdfe0690e3b7d99b9055.exe
    "C:\Users\Admin\AppData\Local\Temp\03ce65c5611985641dac20a41225328db082b1def75bfdfe0690e3b7d99b9055.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4836
    • C:\Users\Admin\AppData\Local\03ce65c5611985641dac20a41225328db082b1def75bfdfe0690e3b7d99b9055.exe
      "C:\Users\Admin\AppData\Local\03ce65c5611985641dac20a41225328db082b1def75bfdfe0690e3b7d99b9055.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2876

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\03ce65c5611985641dac20a41225328db082b1def75bfdfe0690e3b7d99b9055.exe

    Filesize

    2.0MB

    MD5

    9909b49705c7c8200b23883e8672dff6

    SHA1

    6324bf351f4f15965ec36f86ac2bd487a9418fa8

    SHA256

    03ce65c5611985641dac20a41225328db082b1def75bfdfe0690e3b7d99b9055

    SHA512

    94db7d2953665d4956c93eb3817208a24e614dd7d5187c6ed26803714f7647d56681d84e11eea52c4096bd85dcf95a37dbbe38625379322bf5a08649809996fd

  • C:\Users\Admin\AppData\Local\03ce65c5611985641dac20a41225328db082b1def75bfdfe0690e3b7d99b9055.exe

    Filesize

    2.0MB

    MD5

    9909b49705c7c8200b23883e8672dff6

    SHA1

    6324bf351f4f15965ec36f86ac2bd487a9418fa8

    SHA256

    03ce65c5611985641dac20a41225328db082b1def75bfdfe0690e3b7d99b9055

    SHA512

    94db7d2953665d4956c93eb3817208a24e614dd7d5187c6ed26803714f7647d56681d84e11eea52c4096bd85dcf95a37dbbe38625379322bf5a08649809996fd

  • C:\Users\Admin\AppData\Local\03ce65c5611985641dac20a41225328db082b1def75bfdfe0690e3b7d99b9055.exe

    Filesize

    2.0MB

    MD5

    9909b49705c7c8200b23883e8672dff6

    SHA1

    6324bf351f4f15965ec36f86ac2bd487a9418fa8

    SHA256

    03ce65c5611985641dac20a41225328db082b1def75bfdfe0690e3b7d99b9055

    SHA512

    94db7d2953665d4956c93eb3817208a24e614dd7d5187c6ed26803714f7647d56681d84e11eea52c4096bd85dcf95a37dbbe38625379322bf5a08649809996fd

  • memory/2876-158-0x0000000000A40000-0x0000000000B40000-memory.dmp

    Filesize

    1024KB

  • memory/2876-161-0x0000000002840000-0x0000000002878000-memory.dmp

    Filesize

    224KB

  • memory/2876-163-0x0000000002880000-0x00000000028AA000-memory.dmp

    Filesize

    168KB

  • memory/2876-168-0x0000000000A40000-0x0000000000B40000-memory.dmp

    Filesize

    1024KB

  • memory/4836-134-0x0000000000A40000-0x0000000000B40000-memory.dmp

    Filesize

    1024KB

  • memory/4836-136-0x0000000010000000-0x0000000010031000-memory.dmp

    Filesize

    196KB

  • memory/4836-135-0x0000000003290000-0x0000000003291000-memory.dmp

    Filesize

    4KB

  • memory/4836-138-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/4836-140-0x00000000032A0000-0x00000000032CA000-memory.dmp

    Filesize

    168KB