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Resubmissions

30/06/2023, 08:09

230630-j2ll3agf35 7

30/06/2023, 08:03

230630-jxpg6age93 10

Analysis

  • max time kernel
    75s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230621-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/06/2023, 08:03

General

  • Target

    新建文件夹 (2)/新建文件夹/Agghosts.exe

  • Size

    29KB

  • MD5

    614ceaa6ab7f39714e24e9e6b7b0c7b4

  • SHA1

    83b63819fe9a9b8c1624e9969fe125088a873cdc

  • SHA256

    e46b0297c7cf534ce46bc673062ed903d11b574fb0602c3bb1a30eb4bbf6f05f

  • SHA512

    406bc2d2602d0b18e41148c211ceeb65580402046b205ae5e2a65421d02e2fb1ffc4fee76fb803b9e3f7b00081375a36b6b9162729ea447a7f10997716529483

  • SSDEEP

    768:CIl97bHB8CCzEVz1Btnb1WYiRSoQu1xPij97h:xl977KCUUhnbY7RL71x6j9N

Malware Config

Signatures

  • FatalRat

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

  • Fatal Rat payload 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\新建文件夹 (2)\新建文件夹\Agghosts.exe
    "C:\Users\Admin\AppData\Local\Temp\新建文件夹 (2)\新建文件夹\Agghosts.exe"
    1⤵
    • Adds Run key to start application
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4732
    • C:\Users\Admin\AppData\Local\Agghosts.exe
      "C:\Users\Admin\AppData\Local\Agghosts.exe"
      2⤵
      • Adds Run key to start application
      • Executes dropped EXE
      PID:1752

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Agghosts.exe

    Filesize

    29KB

    MD5

    614ceaa6ab7f39714e24e9e6b7b0c7b4

    SHA1

    83b63819fe9a9b8c1624e9969fe125088a873cdc

    SHA256

    e46b0297c7cf534ce46bc673062ed903d11b574fb0602c3bb1a30eb4bbf6f05f

    SHA512

    406bc2d2602d0b18e41148c211ceeb65580402046b205ae5e2a65421d02e2fb1ffc4fee76fb803b9e3f7b00081375a36b6b9162729ea447a7f10997716529483

  • C:\Users\Admin\AppData\Local\Agghosts.exe

    Filesize

    29KB

    MD5

    614ceaa6ab7f39714e24e9e6b7b0c7b4

    SHA1

    83b63819fe9a9b8c1624e9969fe125088a873cdc

    SHA256

    e46b0297c7cf534ce46bc673062ed903d11b574fb0602c3bb1a30eb4bbf6f05f

    SHA512

    406bc2d2602d0b18e41148c211ceeb65580402046b205ae5e2a65421d02e2fb1ffc4fee76fb803b9e3f7b00081375a36b6b9162729ea447a7f10997716529483

  • C:\Users\Admin\AppData\Local\Agghosts.exe

    Filesize

    29KB

    MD5

    614ceaa6ab7f39714e24e9e6b7b0c7b4

    SHA1

    83b63819fe9a9b8c1624e9969fe125088a873cdc

    SHA256

    e46b0297c7cf534ce46bc673062ed903d11b574fb0602c3bb1a30eb4bbf6f05f

    SHA512

    406bc2d2602d0b18e41148c211ceeb65580402046b205ae5e2a65421d02e2fb1ffc4fee76fb803b9e3f7b00081375a36b6b9162729ea447a7f10997716529483

  • memory/4732-133-0x0000000000D70000-0x0000000000D95000-memory.dmp

    Filesize

    148KB

  • memory/4732-134-0x0000000010000000-0x000000001001D000-memory.dmp

    Filesize

    116KB