Analysis

  • max time kernel
    124s
  • max time network
    148s
  • 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

    4c736ac4776ecc45e3f33f3adffb8e876e523889425c08fd88ec4ba21374734f.exe

  • Size

    50KB

  • MD5

    eaccfe1c67a0935d24b6f270a669d1a4

  • SHA1

    cac944d39c6fb98a088726ced806f1259e36e95d

  • SHA256

    4c736ac4776ecc45e3f33f3adffb8e876e523889425c08fd88ec4ba21374734f

  • SHA512

    5ba4ba0713285b4c1051ca5df5496c73c2c58d0f74617203808b98bf5f23db77b762dc3b8056c12b1c0e571f8c78a184e74605faf1414743a7ece194f1af1972

  • SSDEEP

    768:HrGe/nMfJYn9EhHq23hWkkgfEDUvnSm8Nb390PGHL:H6e/n8/Ek1ob390+HL

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 WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4c736ac4776ecc45e3f33f3adffb8e876e523889425c08fd88ec4ba21374734f.exe
    "C:\Users\Admin\AppData\Local\Temp\4c736ac4776ecc45e3f33f3adffb8e876e523889425c08fd88ec4ba21374734f.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1860
    • C:\Users\Admin\AppData\Local\4c736ac4776ecc45e3f33f3adffb8e876e523889425c08fd88ec4ba21374734f.exe
      "C:\Users\Admin\AppData\Local\4c736ac4776ecc45e3f33f3adffb8e876e523889425c08fd88ec4ba21374734f.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1204

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\4c736ac4776ecc45e3f33f3adffb8e876e523889425c08fd88ec4ba21374734f.exe

    Filesize

    50KB

    MD5

    eaccfe1c67a0935d24b6f270a669d1a4

    SHA1

    cac944d39c6fb98a088726ced806f1259e36e95d

    SHA256

    4c736ac4776ecc45e3f33f3adffb8e876e523889425c08fd88ec4ba21374734f

    SHA512

    5ba4ba0713285b4c1051ca5df5496c73c2c58d0f74617203808b98bf5f23db77b762dc3b8056c12b1c0e571f8c78a184e74605faf1414743a7ece194f1af1972

  • C:\Users\Admin\AppData\Local\4c736ac4776ecc45e3f33f3adffb8e876e523889425c08fd88ec4ba21374734f.exe

    Filesize

    50KB

    MD5

    eaccfe1c67a0935d24b6f270a669d1a4

    SHA1

    cac944d39c6fb98a088726ced806f1259e36e95d

    SHA256

    4c736ac4776ecc45e3f33f3adffb8e876e523889425c08fd88ec4ba21374734f

    SHA512

    5ba4ba0713285b4c1051ca5df5496c73c2c58d0f74617203808b98bf5f23db77b762dc3b8056c12b1c0e571f8c78a184e74605faf1414743a7ece194f1af1972

  • C:\Users\Admin\AppData\Local\4c736ac4776ecc45e3f33f3adffb8e876e523889425c08fd88ec4ba21374734f.exe

    Filesize

    50KB

    MD5

    eaccfe1c67a0935d24b6f270a669d1a4

    SHA1

    cac944d39c6fb98a088726ced806f1259e36e95d

    SHA256

    4c736ac4776ecc45e3f33f3adffb8e876e523889425c08fd88ec4ba21374734f

    SHA512

    5ba4ba0713285b4c1051ca5df5496c73c2c58d0f74617203808b98bf5f23db77b762dc3b8056c12b1c0e571f8c78a184e74605faf1414743a7ece194f1af1972

  • memory/1204-157-0x0000000000C00000-0x0000000000D00000-memory.dmp

    Filesize

    1024KB

  • memory/1204-159-0x00000000009A0000-0x00000000009D8000-memory.dmp

    Filesize

    224KB

  • memory/1204-161-0x0000000000A00000-0x0000000000A2A000-memory.dmp

    Filesize

    168KB

  • memory/1204-166-0x0000000000C00000-0x0000000000D00000-memory.dmp

    Filesize

    1024KB

  • memory/1860-136-0x0000000000B90000-0x0000000000C90000-memory.dmp

    Filesize

    1024KB

  • memory/1860-137-0x0000000000510000-0x0000000000511000-memory.dmp

    Filesize

    4KB

  • memory/1860-138-0x00000000009A0000-0x00000000009D8000-memory.dmp

    Filesize

    224KB

  • memory/1860-139-0x0000000010000000-0x0000000010031000-memory.dmp

    Filesize

    196KB

  • memory/1860-142-0x00000000009F0000-0x0000000000A1A000-memory.dmp

    Filesize

    168KB