Overview

overview

10

Static

static

10

6fbbf14353...b3.exe

windows7-x64

10

6fbbf14353...b3.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    14/08/2024, 02:12

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General

  • Target

    6fbbf14353f0a685382ea31a247c17deb8d925363edcd4c81602622fb69ccbb3.exe

  • Size

    75KB

  • MD5

    e59b7621ba3c11995483ffb76254405e

  • SHA1

    abc03ddd74284cf5fb3757d93f78c48259039742

  • SHA256

    6fbbf14353f0a685382ea31a247c17deb8d925363edcd4c81602622fb69ccbb3

  • SHA512

    48cb3b873f32e7d2eee2043bda6e8e971459c622ac2c4a33f31a572e76c6d028a768188d871c7a3f6b576084e9b92d4360a6c7fbe8da13938aed5226dd7af294

  • SSDEEP

    1536:0Xczam+IGvI2SBG9DyZKASmpwzxt5ZbNTTC/YPIp6Z24dqOpNXR3r/b:0Ea/jvI2SgxyZezv5ZbV2mnqOpNNLb

Score
10/10
xwormexecutionpersistencerattrojan

Malware Config

Extracted

Family

xworm

C2

147.185.221.21:37132

Attributes
  • Install_directory

    %AppData%

  • install_file

    USB.exe

Signatures

  • Detect Xworm Payload 3 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm
  • Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

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

    execution
  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

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

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

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

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 18 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.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\6fbbf14353f0a685382ea31a247c17deb8d925363edcd4c81602622fb69ccbb3.exe
    "C:\Users\Admin\AppData\Local\Temp\6fbbf14353f0a685382ea31a247c17deb8d925363edcd4c81602622fb69ccbb3.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1924
    • 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\Local\Temp\6fbbf14353f0a685382ea31a247c17deb8d925363edcd4c81602622fb69ccbb3.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2488
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '6fbbf14353f0a685382ea31a247c17deb8d925363edcd4c81602622fb69ccbb3.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2096
    • 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\6fbbf14353f0a685382ea31a247c17deb8d925363edcd4c81602622fb69ccbb3.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2708
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "6fbbf14353f0a685382ea31a247c17deb8d925363edcd4c81602622fb69ccbb3" /tr "C:\Users\Admin\AppData\Roaming\6fbbf14353f0a685382ea31a247c17deb8d925363edcd4c81602622fb69ccbb3.exe"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:2156
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {0771456E-C386-45BB-A4D6-D8395E5B0265} S-1-5-21-2257386474-3982792636-3902186748-1000:CTBHAMHL\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1064
    • C:\Users\Admin\AppData\Roaming\6fbbf14353f0a685382ea31a247c17deb8d925363edcd4c81602622fb69ccbb3.exe
      C:\Users\Admin\AppData\Roaming\6fbbf14353f0a685382ea31a247c17deb8d925363edcd4c81602622fb69ccbb3.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:480
    • C:\Users\Admin\AppData\Roaming\6fbbf14353f0a685382ea31a247c17deb8d925363edcd4c81602622fb69ccbb3.exe
      C:\Users\Admin\AppData\Roaming\6fbbf14353f0a685382ea31a247c17deb8d925363edcd4c81602622fb69ccbb3.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:3000

Network

MITRE ATT&CK Enterprise v15

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Downloads

  • C:\Users\Admin\AppData\Roaming\6fbbf14353f0a685382ea31a247c17deb8d925363edcd4c81602622fb69ccbb3.exe
    Filesize

    75KB

    MD5

    e59b7621ba3c11995483ffb76254405e

    SHA1

    abc03ddd74284cf5fb3757d93f78c48259039742

    SHA256

    6fbbf14353f0a685382ea31a247c17deb8d925363edcd4c81602622fb69ccbb3

    SHA512

    48cb3b873f32e7d2eee2043bda6e8e971459c622ac2c4a33f31a572e76c6d028a768188d871c7a3f6b576084e9b92d4360a6c7fbe8da13938aed5226dd7af294

    Download Submit

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
    Filesize

    7KB

    MD5

    e971ba2cbff010e2fcc5e898e4c1c992

    SHA1

    79f39f9f165808f262354b2bdbd1e4b622ecd925

    SHA256

    44566fc965e5817daaf606e217344f6d5836d6f626956aef35e63aeee58a613d

    SHA512

    fd406236734cea0f2baeaa971f0ee4ed443a088af5cbcbe6a0eb8c58680b82cf772d99d69e6f624a8418472b0b66c03b13d1b8eb38355cd4e971b706641cd698

    Download Submit

  • memory/480-37-0x0000000001360000-0x000000000137A000-memory.dmp

    Filesize

    104KB

    Download

  • memory/1924-32-0x000000001B170000-0x000000001B1F0000-memory.dmp

    Filesize

    512KB

    Download

  • memory/1924-30-0x000000001B170000-0x000000001B1F0000-memory.dmp

    Filesize

    512KB

    Download

  • memory/1924-31-0x000007FEF5883000-0x000007FEF5884000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1924-0-0x000007FEF5883000-0x000007FEF5884000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1924-33-0x00000000008F0000-0x00000000008FC000-memory.dmp

    Filesize

    48KB

    Download

  • memory/1924-1-0x0000000000350000-0x000000000036A000-memory.dmp

    Filesize

    104KB

    Download

  • memory/1924-38-0x000000001A980000-0x000000001A98C000-memory.dmp

    Filesize

    48KB

    Download

  • memory/2096-14-0x000000001B740000-0x000000001BA22000-memory.dmp

    Filesize

    2.9MB

    Download

  • memory/2096-15-0x0000000001F00000-0x0000000001F08000-memory.dmp

    Filesize

    32KB

    Download

  • memory/2488-7-0x000000001B660000-0x000000001B942000-memory.dmp

    Filesize

    2.9MB

    Download

  • memory/2488-8-0x0000000002250000-0x0000000002258000-memory.dmp

    Filesize

    32KB

    Download

  • memory/2488-6-0x0000000002750000-0x00000000027D0000-memory.dmp

    Filesize

    512KB

    Download