Analysis

  • max time kernel
    28s
  • max time network
    25s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 14:02

General

  • Target

    OneDrive_Security_notification.exe

  • Size

    8.2MB

  • MD5

    630470e421acd1df856832d7a12b4853

  • SHA1

    72d9de36902b6bb8e7b0150c2371a0af341302c3

  • SHA256

    c2eb68974fb982502a2f497826f922563d90dfdf32725b44613aa1f957c8d0fd

  • SHA512

    6fa9f3887613ded84e53b655f84ca245483649e088e956289f15f9b5c3ad91271c395038ff39ec2dcc23415ab41e8bf8d2514f738b1a470c2e58e92d7763be41

  • SSDEEP

    196608:+sYqGogjHX3kH/6PJzxUJNuuSjlSTm0oon51jfHxMOpa+Sq:1sogjnQ61xQYxSTm0rHiWa+S

Malware Config

Extracted

Family

xworm

Version

3.1

C2

includes-ear.at.ply.gg:19669

Attributes
  • Install_directory

    %AppData%

  • install_file

    USB.exe

  • telegram

    https://api.telegram.org/bot5946256736:AAHO4CrAGp_CXtFIt3jYlFOdvAaqBfQV7Qo/sendMessage?chat_id=5319807265

Extracted

Family

quasar

Version

1.3.0.0

Botnet

update64

C2

site-translations.at.ply.gg:19855

Mutex

QSR_MUTEX_WJxUvmtxNYm7LGjN3t

Attributes
  • encryption_key

    32vt5jMLvcowHkjxpyew

  • install_name

    update.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    update

  • subdirectory

    SubDir

Signatures

  • Detect Xworm Payload 2 IoCs
  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar family
  • Quasar payload 3 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • 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.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Drops startup file 4 IoCs
  • Executes dropped EXE 7 IoCs
  • Loads dropped DLL 5 IoCs
  • Adds Run key to start application 2 TTPs 2 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.

  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 7 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 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 13 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 52 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\OneDrive_Security_notification.exe
    "C:\Users\Admin\AppData\Local\Temp\OneDrive_Security_notification.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2364
    • C:\Users\Admin\AppData\Roaming\Edge updater.exe
      "C:\Users\Admin\AppData\Roaming\Edge updater.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2156
      • 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\Edge updater.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious use of AdjustPrivilegeToken
        PID:2900
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Edge updater.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious use of AdjustPrivilegeToken
        PID:2672
      • 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\Edge updater.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious use of AdjustPrivilegeToken
        PID:448
    • C:\Users\Admin\AppData\Roaming\update.exe
      "C:\Users\Admin\AppData\Roaming\update.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2860
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks" /create /tn "update" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\update.exe" /rl HIGHEST /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2456
      • C:\Users\Admin\AppData\Roaming\SubDir\update.exe
        "C:\Users\Admin\AppData\Roaming\SubDir\update.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1068
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks" /create /tn "update" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\update.exe" /rl HIGHEST /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:1856
    • C:\Users\Admin\AppData\Roaming\WindowsServices.exe
      "C:\Users\Admin\AppData\Roaming\WindowsServices.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2104
      • C:\ProgramData\WindowsServices.exe
        "C:\ProgramData\WindowsServices.exe"
        3⤵
        • Drops startup file
        • Executes dropped EXE
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1872
        • C:\Windows\SysWOW64\netsh.exe
          netsh firewall add allowedprogram "C:\ProgramData\WindowsServices.exe" "WindowsServices.exe" ENABLE
          4⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          • System Location Discovery: System Language Discovery
          PID:940
    • C:\Users\Admin\AppData\Roaming\WindowsSvhost.exe
      "C:\Users\Admin\AppData\Roaming\WindowsSvhost.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2144
      • C:\Users\Admin\AppData\Roaming\WindowsSvhost.exe
        "C:\Users\Admin\AppData\Roaming\WindowsSvhost.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2584

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\_MEI21442\python311.dll

    Filesize

    1.6MB

    MD5

    5f6fd64ec2d7d73ae49c34dd12cedb23

    SHA1

    c6e0385a868f3153a6e8879527749db52dce4125

    SHA256

    ff9f102264d1944fbfae2ba70e7a71435f51a3e8c677fd970b621c4c9ea71967

    SHA512

    c4be2d042c6e4d22e46eacfd550f61b8f55814bfe41d216a4df48382247df70bc63151068513855aa78f9b3d2f10ba6a824312948324c92de6dd0f6af414e8ab

  • C:\Users\Admin\AppData\Roaming\Edge updater.exe

    Filesize

    201KB

    MD5

    9c52bdedd1bcb1d07204b8a2a9620806

    SHA1

    1245edb5362446d78023a7b849d695f8fcc0b8b1

    SHA256

    1eb6fed362249f41df06d22ace113052903467a6784bef22d92baadbaf1757ba

    SHA512

    09b12af4db093d25d37e44d5c0bb3da8d33bed1c0132ca0191541d85a57f9b7d666b8d16b027775ed739e7914ac54a89bbdf79893633c153e87ffb5b68ab4f16

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

    Filesize

    7KB

    MD5

    f1763b1802a79392b5090a12a5d361aa

    SHA1

    1acd16503d0944eeeda43efbb1833dc968f67195

    SHA256

    1da8d11545241fd286e44cb2b805da902dff67f0c92211b16a10a07e2b85a7f4

    SHA512

    62c87d80d63f15e52d31b28e86c22e6c736b62672da44d503fb91e21e66e58b812a95cc00b958811fd1db86c46aa6c55744e7b7db8be6e406e86eae79ed7fb34

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

    Filesize

    156KB

    MD5

    92bee3d72cf5439f413af90b41f00289

    SHA1

    a3b599fe2c96384612801386fb224809f6e89572

    SHA256

    4428374ab0e289ab21904397add7a6464ff41520e0e43f1639d69ee8bce754de

    SHA512

    6476bf0d9612b210f14fb65c8a4da1145d2ba02050e11feb9f28367990c8af6837f33e74e28c0a73bd897553771b24877bc2162ecfba07c0e6455921647282a7

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

    Filesize

    348KB

    MD5

    6bc2b6f1b37435410d1e7cad10fba884

    SHA1

    6cf02a7443c037f5dd4e18884c5473c6d1213b67

    SHA256

    a61bce28bde41ff22a99bd50a3c29fc843d3f2a7d4447190742621241ce3f7d9

    SHA512

    5c3208c769ba35d3d993aa8d23d115a0984ef1a84d5d8438f59a975e7675eeebb511312a05e2b91f0a4ca7e092dc5c07653543abfc1d65bc1acc5cab0d4cd580

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

    Filesize

    7.4MB

    MD5

    35e91aa5ffee601f03243fb87f073d58

    SHA1

    a2f50ed6cd1e4e4991c55811b3bf059ae1c47a9c

    SHA256

    becff3215c0d263bc8dd108eedaa35435fbee858a17e477126a9870f7e903653

    SHA512

    b616b89ee2f171e4dd3bafa9c811dfaf8511bd2380a8461b65b88a999272e6fc0c5cc2ce4fca704fb6a21274d4d3c53a3e98bba0da1b90dbb84acfaa9dc8cd28

  • memory/1068-60-0x0000000000960000-0x00000000009BE000-memory.dmp

    Filesize

    376KB

  • memory/2156-23-0x000007FEF5980000-0x000007FEF636C000-memory.dmp

    Filesize

    9.9MB

  • memory/2156-10-0x00000000012B0000-0x00000000012E8000-memory.dmp

    Filesize

    224KB

  • memory/2156-88-0x000007FEF5980000-0x000007FEF636C000-memory.dmp

    Filesize

    9.9MB

  • memory/2364-0-0x000007FEF5983000-0x000007FEF5984000-memory.dmp

    Filesize

    4KB

  • memory/2364-1-0x0000000000280000-0x0000000000AB0000-memory.dmp

    Filesize

    8.2MB

  • memory/2584-53-0x000007FEF2550000-0x000007FEF2B39000-memory.dmp

    Filesize

    5.9MB

  • memory/2672-73-0x000000001B7A0000-0x000000001BA82000-memory.dmp

    Filesize

    2.9MB

  • memory/2672-74-0x0000000001E80000-0x0000000001E88000-memory.dmp

    Filesize

    32KB

  • memory/2860-20-0x0000000000F40000-0x0000000000F9E000-memory.dmp

    Filesize

    376KB

  • memory/2900-66-0x000000001B600000-0x000000001B8E2000-memory.dmp

    Filesize

    2.9MB

  • memory/2900-67-0x0000000001F00000-0x0000000001F08000-memory.dmp

    Filesize

    32KB