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Analysis

  • max time kernel
    143s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/05/2023, 06:35

General

  • Target

    4d47519be2d16e63207ce56bd0500706b49150ec068bcc35f6e439aa99a60d68.exe

  • Size

    140KB

  • MD5

    6a0194e75f93836b7bb1bf35b3f97bec

  • SHA1

    a5e9084913409fc26723b0fc6f85163831a5ec3d

  • SHA256

    4d47519be2d16e63207ce56bd0500706b49150ec068bcc35f6e439aa99a60d68

  • SHA512

    fad213549b0cf045c475a0f101922b0d87ba9615141cef19168b135f3afa50725e88b77c629ba55f78a79033e79fc73db7971d7c05097bd0fd147b5d7a8d0641

  • SSDEEP

    1536:Vua+BTv3tIO8MtM+/6jRVGIk1MgHjsPGYYwOda2CqqZOIgQJb0lfjtO+vbWL8xJb:Vn+htWMtf+7GZYGVA2QJgi8xJLDoU

Malware Config

Signatures

  • FatalRat

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

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

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

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4d47519be2d16e63207ce56bd0500706b49150ec068bcc35f6e439aa99a60d68.exe
    "C:\Users\Admin\AppData\Local\Temp\4d47519be2d16e63207ce56bd0500706b49150ec068bcc35f6e439aa99a60d68.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1260
    • C:\Users\Admin\AppData\Local\4d47519be2d16e63207ce56bd0500706b49150ec068bcc35f6e439aa99a60d68.exe
      "C:\Users\Admin\AppData\Local\4d47519be2d16e63207ce56bd0500706b49150ec068bcc35f6e439aa99a60d68.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1768

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\4d47519be2d16e63207ce56bd0500706b49150ec068bcc35f6e439aa99a60d68.exe

    Filesize

    140KB

    MD5

    6a0194e75f93836b7bb1bf35b3f97bec

    SHA1

    a5e9084913409fc26723b0fc6f85163831a5ec3d

    SHA256

    4d47519be2d16e63207ce56bd0500706b49150ec068bcc35f6e439aa99a60d68

    SHA512

    fad213549b0cf045c475a0f101922b0d87ba9615141cef19168b135f3afa50725e88b77c629ba55f78a79033e79fc73db7971d7c05097bd0fd147b5d7a8d0641

  • C:\Users\Admin\AppData\Local\4d47519be2d16e63207ce56bd0500706b49150ec068bcc35f6e439aa99a60d68.exe

    Filesize

    140KB

    MD5

    6a0194e75f93836b7bb1bf35b3f97bec

    SHA1

    a5e9084913409fc26723b0fc6f85163831a5ec3d

    SHA256

    4d47519be2d16e63207ce56bd0500706b49150ec068bcc35f6e439aa99a60d68

    SHA512

    fad213549b0cf045c475a0f101922b0d87ba9615141cef19168b135f3afa50725e88b77c629ba55f78a79033e79fc73db7971d7c05097bd0fd147b5d7a8d0641

  • C:\Users\Admin\AppData\Local\4d47519be2d16e63207ce56bd0500706b49150ec068bcc35f6e439aa99a60d68.exe

    Filesize

    140KB

    MD5

    6a0194e75f93836b7bb1bf35b3f97bec

    SHA1

    a5e9084913409fc26723b0fc6f85163831a5ec3d

    SHA256

    4d47519be2d16e63207ce56bd0500706b49150ec068bcc35f6e439aa99a60d68

    SHA512

    fad213549b0cf045c475a0f101922b0d87ba9615141cef19168b135f3afa50725e88b77c629ba55f78a79033e79fc73db7971d7c05097bd0fd147b5d7a8d0641

  • memory/1260-133-0x0000000010000000-0x000000001001C000-memory.dmp

    Filesize

    112KB