Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10-12-2024 03:02

General

  • Target

    Silent Crypto Miner/Silent Crypto Miner.exe

  • Size

    255KB

  • MD5

    854a42e9a581b2a33ceda0f3d3dd2f04

  • SHA1

    a100a400e570039823c4fd79dc470c13ccfbb266

  • SHA256

    fae4297f765a1c93fef48d7bddd8c88e6361dcb7eb9efc7cb10ff050e2157d80

  • SHA512

    569dc63dc90b1a6efebb9130d2dce133d3600937a1a6440575037b2b8d36b6aff8c607b86ba2ff0192324ed9cbae519e8a4aa3d9dd6e4b3b6f9d8483e043e1c0

  • SSDEEP

    3072:y1hoF2jJ6wiPa1XzwIxJLp7tUE1NgBS5Bs//dm63NzzEfHs/FtMtO2NcSINUc9nR:y1hnJ6D1IxPtUyNrsHdmqEfETrSc9nCu

Malware Config

Extracted

Family

redline

Botnet

Metin

C2

duclog23.duckdns.org:37552

Extracted

Family

xworm

C2

duclog23.duckdns.org:7000

Attributes
  • Install_directory

    %AppData%

  • install_file

    Chrome.exe

Signatures

  • Detect Xworm Payload 4 IoCs
  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 2 IoCs
  • Redline family
  • SectopRAT

    SectopRAT is a remote access trojan first seen in November 2019.

  • SectopRAT payload 2 IoCs
  • Sectoprat family
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Obfuscated Files or Information: Command Obfuscation 1 TTPs

    Adversaries may obfuscate content during command execution to impede detection.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 11 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\Silent Crypto Miner\Silent Crypto Miner.exe
    "C:\Users\Admin\AppData\Local\Temp\Silent Crypto Miner\Silent Crypto Miner.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2448
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "PAAjAHcAYwB3ACMAPgBBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAAPAAjAG0AYgBiACMAPgAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEAAKAAkAGUAbgB2ADoAVQBzAGUAcgBQAHIAbwBmAGkAbABlACwAJABlAG4AdgA6AFMAeQBzAHQAZQBtAEQAcgBpAHYAZQApACAAPAAjAGgAYgB2ACMAPgAgAC0ARgBvAHIAYwBlACAAPAAjAHgAegB6ACMAPgA="
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1692
    • C:\Users\Admin\AppData\Roaming\M2.exe
      "C:\Users\Admin\AppData\Roaming\M2.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2080
    • C:\Users\Admin\AppData\Roaming\Metin.exe
      "C:\Users\Admin\AppData\Roaming\Metin.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:484
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\Metin.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1236
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Metin.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1480
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\Chrome.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1680
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Chrome.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1636
      • C:\Windows\System32\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Chrome" /tr "C:\Users\Admin\AppData\Roaming\Chrome.exe"
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2252
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {01DD0C72-F4E8-427C-A54E-B34E6B84E04C} S-1-5-21-3063565911-2056067323-3330884624-1000:KHBTHJFA\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2176
    • C:\Users\Admin\AppData\Roaming\Chrome.exe
      C:\Users\Admin\AppData\Roaming\Chrome.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2456
    • C:\Users\Admin\AppData\Roaming\Chrome.exe
      C:\Users\Admin\AppData\Roaming\Chrome.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2332
    • C:\Users\Admin\AppData\Roaming\Chrome.exe
      C:\Users\Admin\AppData\Roaming\Chrome.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1564

Network

MITRE ATT&CK Enterprise v15

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\6PYF7QJKDXEOZPWVDOG3.temp

    Filesize

    7KB

    MD5

    04717734d6865a5f75901e2219bc69a0

    SHA1

    d7e3854fc7df8fc4a3fc7f3a6c34741f62ed1c7a

    SHA256

    e03469717f5f36f98d6943241aaa2004fabe73e359dd63b62dbaf1f1f040926b

    SHA512

    bbdc6e7af96906674b415839ff403077224b9c898f0d765ac3636ac0e6c399fa2f8997c67d34c43b8aafa3ad0c605d525605422cfaafe9d2964d971b3ce67a79

  • \Users\Admin\AppData\Roaming\M2.exe

    Filesize

    95KB

    MD5

    2598b5fee38d9c0979f009e77f94ea33

    SHA1

    9c2c0f0734fbf16853de911868024dfbed91e5ec

    SHA256

    00a709baca231f15267526d7b5db11cd94b0089ed6cfd1667a1ff2ebd584c266

    SHA512

    d6fa07fdfa6493c3abe95c650dca114b1737d8812fe86476ef8afbb1d34e50b537821a7958acdc243246484fc4f28dd208db4328663bbc22ec79ae34f3340c8e

  • \Users\Admin\AppData\Roaming\Metin.exe

    Filesize

    51KB

    MD5

    1d846637aa409d6dd4fd14f70a63f907

    SHA1

    a0f494b321ef5bd5b95f60d4ee9e4ae836d73b8a

    SHA256

    08a5ab51f8eee96d3837aaef4d74bf672d937056118003ecfa0e4df9dae49125

    SHA512

    259bd4d63bd69cdfd9a29303dc5ef3174136353daad23747c4589ed5b760d9905285211850bf49fde37c0ba355f3e463df6633a518affb270cfeb9f24885508c

  • memory/484-16-0x00000000003B0000-0x00000000003C4000-memory.dmp

    Filesize

    80KB

  • memory/1236-22-0x000000001B6F0000-0x000000001B9D2000-memory.dmp

    Filesize

    2.9MB

  • memory/1236-23-0x0000000002310000-0x0000000002318000-memory.dmp

    Filesize

    32KB

  • memory/1480-29-0x000000001B6E0000-0x000000001B9C2000-memory.dmp

    Filesize

    2.9MB

  • memory/1480-30-0x0000000002230000-0x0000000002238000-memory.dmp

    Filesize

    32KB

  • memory/2080-15-0x0000000000DA0000-0x0000000000DBE000-memory.dmp

    Filesize

    120KB

  • memory/2332-53-0x0000000000F00000-0x0000000000F14000-memory.dmp

    Filesize

    80KB

  • memory/2456-50-0x0000000000140000-0x0000000000154000-memory.dmp

    Filesize

    80KB