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Overview

overview

10

Static

static

10

2024-08-11...ar.exe

windows7-x64

10

2024-08-11...ar.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    141s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/08/2024, 05:49

Sharing

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General

  • Target

    2024-08-11_26725cf3fb54af101e327b4ffc155118_hiddentear.exe

  • Size

    173KB

  • MD5

    26725cf3fb54af101e327b4ffc155118

  • SHA1

    ebd17076cf65ce0563c3e54d18f1f3b77e95f4d6

  • SHA256

    18c0f9cce906b9295fdadbcc606930cfea7d4599d3965469665f112e247e895b

  • SHA512

    e63824fa87ca2caf7cde5a44ab0452f1a5bec4defc7bce76cfa8405d5761f05f7c6868e2355693463d531f78e7dd1f5f64698982c4dd94b359c3dda0a744b6cc

  • SSDEEP

    3072:kezJfnyqEpTdb84MFjzO7KJ7WM+lmsolAIrRuw+mqv9j1MWLQT:kezJfnyqebGtFJx+lDAA

Score
10/10
xwormexecutionpersistencerattrojan

Malware Config

Extracted

Family

xworm

Version

5.0

C2

127.0.0.1:5702

212.192.28.149:5702
Attributes
  • Install_directory

    %AppData%

  • install_file

    USB.exe

  • telegram

    https://api.telegram.org/bot7317716102:AAGpyJa5ajRKheEXeoE7x43noXNRhB5W808/sendMessage?chat_id=7237867845

Signatures

  • Detect Xworm Payload 2 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm
  • Command and Scripting Interpreter: PowerShell 1 TTPs 6 IoCs

    Run Powershell and hide display window.

    execution
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Looks up external IP address via web service 1 IoCs

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

  • 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: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 10 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\2024-08-11_26725cf3fb54af101e327b4ffc155118_hiddentear.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-08-11_26725cf3fb54af101e327b4ffc155118_hiddentear.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Adds Run key to start application
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4388
    • 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\2024-08-11_26725cf3fb54af101e327b4ffc155118_hiddentear.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2748
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '2024-08-11_26725cf3fb54af101e327b4ffc155118_hiddentear.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2332
    • 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\Xclient'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4672
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Xclient'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4924
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Xclient" /tr "C:\Users\Admin\AppData\Roaming\Xclient"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:2848
  • C:\Users\Admin\AppData\Roaming\Xclient
    C:\Users\Admin\AppData\Roaming\Xclient
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2496
  • C:\Users\Admin\AppData\Roaming\Xclient
    C:\Users\Admin\AppData\Roaming\Xclient
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2612
  • C:\Users\Admin\AppData\Roaming\Xclient
    C:\Users\Admin\AppData\Roaming\Xclient
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:440

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\Xclient.log
    Filesize

    654B

    MD5

    2ff39f6c7249774be85fd60a8f9a245e

    SHA1

    684ff36b31aedc1e587c8496c02722c6698c1c4e

    SHA256

    e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

    SHA512

    1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

    Download Submit

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
    Filesize

    2KB

    MD5

    d85ba6ff808d9e5444a4b369f5bc2730

    SHA1

    31aa9d96590fff6981b315e0b391b575e4c0804a

    SHA256

    84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

    SHA512

    8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

    Download Submit

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
    Filesize

    944B

    MD5

    6d3e9c29fe44e90aae6ed30ccf799ca8

    SHA1

    c7974ef72264bbdf13a2793ccf1aed11bc565dce

    SHA256

    2360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d

    SHA512

    60c38c4367352537545d859f64b9c5cbada94240478d1d039fd27b5ecba4dc1c90051557c16d802269703b873546ead416279c0a80c6fd5e49ad361cef22596a

    Download Submit

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
    Filesize

    944B

    MD5

    dd1d0b083fedf44b482a028fb70b96e8

    SHA1

    dc9c027937c9f6d52268a1504cbae42a39c8d36a

    SHA256

    cab7944d29e0501dc0db904ac460ca7a87700e0ec7eb62298b7b97cbf40c424c

    SHA512

    96bec38bfda176292ae65dcf735103e7888baa212038737c1d1e215fcb76e4c0355e4a827a1934303e7aecae91012fa412f13e38f382b732758bae985cc67973

    Download Submit

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
    Filesize

    944B

    MD5

    e58749a7a1826f6ea62df1e2ef63a32b

    SHA1

    c0bca21658b8be4f37b71eec9578bfefa44f862d

    SHA256

    0e1f0e684adb40a5d0668df5fed007c9046137d7ae16a1f2f343b139d5f9bc93

    SHA512

    4cf45b2b11ab31e7f67fff286b29d50ed28cd6043091144c5c0f1348b5f5916ed7479cf985595e6f096b586ab93b4b5dce612f688049b8366a2dd91863e98b70

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rkklos5o.ey4.ps1
    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    Download Submit

  • C:\Users\Admin\AppData\Roaming\Xclient
    Filesize

    173KB

    MD5

    26725cf3fb54af101e327b4ffc155118

    SHA1

    ebd17076cf65ce0563c3e54d18f1f3b77e95f4d6

    SHA256

    18c0f9cce906b9295fdadbcc606930cfea7d4599d3965469665f112e247e895b

    SHA512

    e63824fa87ca2caf7cde5a44ab0452f1a5bec4defc7bce76cfa8405d5761f05f7c6868e2355693463d531f78e7dd1f5f64698982c4dd94b359c3dda0a744b6cc

    Download Submit

  • memory/2748-4-0x00007FFFDEE50000-0x00007FFFDF911000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/2748-18-0x00007FFFDEE50000-0x00007FFFDF911000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/2748-10-0x000002A7C3C40000-0x000002A7C3C62000-memory.dmp

    Filesize

    136KB

    Download

  • memory/2748-15-0x00007FFFDEE50000-0x00007FFFDF911000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/2748-3-0x00007FFFDEE50000-0x00007FFFDF911000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/4388-0-0x0000000000560000-0x0000000000592000-memory.dmp

    Filesize

    200KB

    Download

  • memory/4388-56-0x000000001B850000-0x000000001B952000-memory.dmp

    Filesize

    1.0MB

    Download

  • memory/4388-2-0x00007FFFDEE50000-0x00007FFFDF911000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/4388-61-0x00007FFFDEE53000-0x00007FFFDEE55000-memory.dmp

    Filesize

    8KB

    Download

  • memory/4388-62-0x00007FFFDEE50000-0x00007FFFDF911000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/4388-1-0x00007FFFDEE53000-0x00007FFFDEE55000-memory.dmp

    Filesize

    8KB

    Download