Analysis

  • max time kernel
    148s
  • max time network
    154s
  • platform
    windows10-1703_x64
  • resource
    win10-20230703-en
  • resource tags

    arch:x64arch:x86image:win10-20230703-enlocale:en-usos:windows10-1703-x64system
  • submitted
    21-08-2023 15:42

General

  • Target

    fa6af7e23ad1d78e2fa4ed2d372a0990a78bcc3a49bbd07c75c6ec44e3e8736c.exe

  • Size

    247KB

  • MD5

    eb2bc869689c92c21e68f3e684ccea37

  • SHA1

    54ed976bccb60e2ff754c94310a913c3063316a0

  • SHA256

    fa6af7e23ad1d78e2fa4ed2d372a0990a78bcc3a49bbd07c75c6ec44e3e8736c

  • SHA512

    46d322eefc0eee6555d08a0cb0cdf2e6b1a3400bdc447499484cdd2800c569c73b95e0759f6984c7af38dbb9ba5a8d4ddb5796cd8cc9b0d9bf86f39f16db58a5

  • SSDEEP

    3072:g/UfafnkXTXbYFxo5ob07ABrXSHMNQ/wCuGw0J0pokjMeltBitKdAZNAQq+8Vih:g/inXbYFxoz7ANEwnGw0iikivZNLqrY

Score
10/10

Malware Config

Signatures

  • LimeRAT

    Simple yet powerful RAT for Windows machines written in .NET.

  • .NET Reactor proctector 3 IoCs

    Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

  • Executes dropped EXE 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fa6af7e23ad1d78e2fa4ed2d372a0990a78bcc3a49bbd07c75c6ec44e3e8736c.exe
    "C:\Users\Admin\AppData\Local\Temp\fa6af7e23ad1d78e2fa4ed2d372a0990a78bcc3a49bbd07c75c6ec44e3e8736c.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2764
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Roaming\DiscordUppdataRas.exe'"
      2⤵
      • Creates scheduled task(s)
      PID:2836
    • C:\Users\Admin\AppData\Roaming\DiscordUppdataRas.exe
      "C:\Users\Admin\AppData\Roaming\DiscordUppdataRas.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:4140

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\DiscordUppdataRas.exe

    Filesize

    247KB

    MD5

    eb2bc869689c92c21e68f3e684ccea37

    SHA1

    54ed976bccb60e2ff754c94310a913c3063316a0

    SHA256

    fa6af7e23ad1d78e2fa4ed2d372a0990a78bcc3a49bbd07c75c6ec44e3e8736c

    SHA512

    46d322eefc0eee6555d08a0cb0cdf2e6b1a3400bdc447499484cdd2800c569c73b95e0759f6984c7af38dbb9ba5a8d4ddb5796cd8cc9b0d9bf86f39f16db58a5

  • C:\Users\Admin\AppData\Roaming\DiscordUppdataRas.exe

    Filesize

    247KB

    MD5

    eb2bc869689c92c21e68f3e684ccea37

    SHA1

    54ed976bccb60e2ff754c94310a913c3063316a0

    SHA256

    fa6af7e23ad1d78e2fa4ed2d372a0990a78bcc3a49bbd07c75c6ec44e3e8736c

    SHA512

    46d322eefc0eee6555d08a0cb0cdf2e6b1a3400bdc447499484cdd2800c569c73b95e0759f6984c7af38dbb9ba5a8d4ddb5796cd8cc9b0d9bf86f39f16db58a5

  • memory/2764-123-0x0000000005BA0000-0x000000000609E000-memory.dmp

    Filesize

    5.0MB

  • memory/2764-120-0x0000000004F90000-0x000000000502C000-memory.dmp

    Filesize

    624KB

  • memory/2764-121-0x0000000073FE0000-0x00000000746CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2764-122-0x0000000005230000-0x0000000005296000-memory.dmp

    Filesize

    408KB

  • memory/2764-117-0x00000000005E0000-0x0000000000622000-memory.dmp

    Filesize

    264KB

  • memory/2764-119-0x0000000004EB0000-0x0000000004EC0000-memory.dmp

    Filesize

    64KB

  • memory/2764-118-0x0000000073FE0000-0x00000000746CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2764-132-0x0000000073FE0000-0x00000000746CE000-memory.dmp

    Filesize

    6.9MB

  • memory/4140-130-0x0000000073FE0000-0x00000000746CE000-memory.dmp

    Filesize

    6.9MB

  • memory/4140-131-0x0000000004D80000-0x0000000004D90000-memory.dmp

    Filesize

    64KB

  • memory/4140-133-0x0000000073FE0000-0x00000000746CE000-memory.dmp

    Filesize

    6.9MB

  • memory/4140-134-0x0000000004D80000-0x0000000004D90000-memory.dmp

    Filesize

    64KB