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Analysis

  • max time kernel
    120s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    15/05/2023, 06:35

General

  • Target

    84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb.exe

  • Size

    140KB

  • MD5

    011c506d3654778cec0f22e6ff24ba22

  • SHA1

    05cfb001a62e704a592a882b34b40fb322255400

  • SHA256

    84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb

  • SHA512

    a017af985d1e9f767c220e21c7297d820cbdc990400533264ba8a2305485596de1e200a841ee0bcde37a6cac7cad708dddf9aadaf522a5acd73f48c7db1c3802

  • 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 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb.exe
    "C:\Users\Admin\AppData\Local\Temp\84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2016
    • C:\Users\Admin\AppData\Local\84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb.exe
      "C:\Users\Admin\AppData\Local\84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:920

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb.exe

    Filesize

    140KB

    MD5

    011c506d3654778cec0f22e6ff24ba22

    SHA1

    05cfb001a62e704a592a882b34b40fb322255400

    SHA256

    84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb

    SHA512

    a017af985d1e9f767c220e21c7297d820cbdc990400533264ba8a2305485596de1e200a841ee0bcde37a6cac7cad708dddf9aadaf522a5acd73f48c7db1c3802

  • C:\Users\Admin\AppData\Local\84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb.exe

    Filesize

    140KB

    MD5

    011c506d3654778cec0f22e6ff24ba22

    SHA1

    05cfb001a62e704a592a882b34b40fb322255400

    SHA256

    84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb

    SHA512

    a017af985d1e9f767c220e21c7297d820cbdc990400533264ba8a2305485596de1e200a841ee0bcde37a6cac7cad708dddf9aadaf522a5acd73f48c7db1c3802

  • \Users\Admin\AppData\Local\84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb.exe

    Filesize

    140KB

    MD5

    011c506d3654778cec0f22e6ff24ba22

    SHA1

    05cfb001a62e704a592a882b34b40fb322255400

    SHA256

    84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb

    SHA512

    a017af985d1e9f767c220e21c7297d820cbdc990400533264ba8a2305485596de1e200a841ee0bcde37a6cac7cad708dddf9aadaf522a5acd73f48c7db1c3802

  • \Users\Admin\AppData\Local\84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb.exe

    Filesize

    140KB

    MD5

    011c506d3654778cec0f22e6ff24ba22

    SHA1

    05cfb001a62e704a592a882b34b40fb322255400

    SHA256

    84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb

    SHA512

    a017af985d1e9f767c220e21c7297d820cbdc990400533264ba8a2305485596de1e200a841ee0bcde37a6cac7cad708dddf9aadaf522a5acd73f48c7db1c3802

  • memory/920-69-0x0000000010000000-0x000000001001C000-memory.dmp

    Filesize

    112KB

  • memory/2016-54-0x0000000010000000-0x000000001001C000-memory.dmp

    Filesize

    112KB