Analysis

  • max time kernel
    26s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    26-04-2023 03:55

General

  • Target

    b970c327c2e8914749e73713d4dd743ae3907f0a66bd5c34806c6e5f23cf9aa3.exe

  • Size

    3.8MB

  • MD5

    f43ab10a6a9570e4bdc2fd04aa3aa7c3

  • SHA1

    487c24712a3e6774dbcadebc952d3c53471b84bb

  • SHA256

    b970c327c2e8914749e73713d4dd743ae3907f0a66bd5c34806c6e5f23cf9aa3

  • SHA512

    762704abf2453968779d51f18fd25c28f2b016bfcf9f7ae6d678f9b96706b019214099f5f9dc2497bd5686bbb2e16e4d435137508980cd48a58da8322ec72529

  • SSDEEP

    98304:iYPGZ6Gqx5CyuqoEsgy6SDVpqyEAYOV+pyIXlmgCE660v2Pu0n:iKGqx5Cxq+gNSDzqFacpPM7Jk

Malware Config

Signatures

  • FatalRat

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

  • Fatal Rat payload 5 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • VMProtect packed file 12 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 51 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b970c327c2e8914749e73713d4dd743ae3907f0a66bd5c34806c6e5f23cf9aa3.exe
    "C:\Users\Admin\AppData\Local\Temp\b970c327c2e8914749e73713d4dd743ae3907f0a66bd5c34806c6e5f23cf9aa3.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1360
    • C:\Users\Admin\AppData\Local\b970c327c2e8914749e73713d4dd743ae3907f0a66bd5c34806c6e5f23cf9aa3.exe
      "C:\Users\Admin\AppData\Local\b970c327c2e8914749e73713d4dd743ae3907f0a66bd5c34806c6e5f23cf9aa3.exe"
      2⤵
      • Executes dropped EXE
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1304

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\b970c327c2e8914749e73713d4dd743ae3907f0a66bd5c34806c6e5f23cf9aa3.exe

    Filesize

    3.8MB

    MD5

    f43ab10a6a9570e4bdc2fd04aa3aa7c3

    SHA1

    487c24712a3e6774dbcadebc952d3c53471b84bb

    SHA256

    b970c327c2e8914749e73713d4dd743ae3907f0a66bd5c34806c6e5f23cf9aa3

    SHA512

    762704abf2453968779d51f18fd25c28f2b016bfcf9f7ae6d678f9b96706b019214099f5f9dc2497bd5686bbb2e16e4d435137508980cd48a58da8322ec72529

  • C:\Users\Admin\AppData\Local\b970c327c2e8914749e73713d4dd743ae3907f0a66bd5c34806c6e5f23cf9aa3.exe

    Filesize

    3.8MB

    MD5

    f43ab10a6a9570e4bdc2fd04aa3aa7c3

    SHA1

    487c24712a3e6774dbcadebc952d3c53471b84bb

    SHA256

    b970c327c2e8914749e73713d4dd743ae3907f0a66bd5c34806c6e5f23cf9aa3

    SHA512

    762704abf2453968779d51f18fd25c28f2b016bfcf9f7ae6d678f9b96706b019214099f5f9dc2497bd5686bbb2e16e4d435137508980cd48a58da8322ec72529

  • C:\Users\Admin\AppData\Local\b970c327c2e8914749e73713d4dd743ae3907f0a66bd5c34806c6e5f23cf9aa3.exe

    Filesize

    3.8MB

    MD5

    f43ab10a6a9570e4bdc2fd04aa3aa7c3

    SHA1

    487c24712a3e6774dbcadebc952d3c53471b84bb

    SHA256

    b970c327c2e8914749e73713d4dd743ae3907f0a66bd5c34806c6e5f23cf9aa3

    SHA512

    762704abf2453968779d51f18fd25c28f2b016bfcf9f7ae6d678f9b96706b019214099f5f9dc2497bd5686bbb2e16e4d435137508980cd48a58da8322ec72529

  • \Users\Admin\AppData\Local\b970c327c2e8914749e73713d4dd743ae3907f0a66bd5c34806c6e5f23cf9aa3.exe

    Filesize

    3.8MB

    MD5

    f43ab10a6a9570e4bdc2fd04aa3aa7c3

    SHA1

    487c24712a3e6774dbcadebc952d3c53471b84bb

    SHA256

    b970c327c2e8914749e73713d4dd743ae3907f0a66bd5c34806c6e5f23cf9aa3

    SHA512

    762704abf2453968779d51f18fd25c28f2b016bfcf9f7ae6d678f9b96706b019214099f5f9dc2497bd5686bbb2e16e4d435137508980cd48a58da8322ec72529

  • \Users\Admin\AppData\Local\b970c327c2e8914749e73713d4dd743ae3907f0a66bd5c34806c6e5f23cf9aa3.exe

    Filesize

    3.8MB

    MD5

    f43ab10a6a9570e4bdc2fd04aa3aa7c3

    SHA1

    487c24712a3e6774dbcadebc952d3c53471b84bb

    SHA256

    b970c327c2e8914749e73713d4dd743ae3907f0a66bd5c34806c6e5f23cf9aa3

    SHA512

    762704abf2453968779d51f18fd25c28f2b016bfcf9f7ae6d678f9b96706b019214099f5f9dc2497bd5686bbb2e16e4d435137508980cd48a58da8322ec72529

  • memory/1304-83-0x0000000000400000-0x0000000000D3E000-memory.dmp

    Filesize

    9.2MB

  • memory/1304-78-0x0000000010000000-0x000000001002A000-memory.dmp

    Filesize

    168KB

  • memory/1304-76-0x0000000000400000-0x0000000000D3E000-memory.dmp

    Filesize

    9.2MB

  • memory/1304-75-0x0000000000400000-0x0000000000D3E000-memory.dmp

    Filesize

    9.2MB

  • memory/1360-58-0x0000000010000000-0x000000001002A000-memory.dmp

    Filesize

    168KB

  • memory/1360-74-0x0000000000400000-0x0000000000D3E000-memory.dmp

    Filesize

    9.2MB

  • memory/1360-54-0x0000000000400000-0x0000000000D3E000-memory.dmp

    Filesize

    9.2MB

  • memory/1360-57-0x0000000000400000-0x0000000000D3E000-memory.dmp

    Filesize

    9.2MB

  • memory/1360-55-0x0000000000400000-0x0000000000D3E000-memory.dmp

    Filesize

    9.2MB