Analysis
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max time kernel
143s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
31-05-2024 01:30
Behavioral task
behavioral1
Sample
4d6f6d174d9c49b0fe5e98959e7eb65e.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
4d6f6d174d9c49b0fe5e98959e7eb65e.exe
Resource
win10v2004-20240226-en
General
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Target
4d6f6d174d9c49b0fe5e98959e7eb65e.exe
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Size
38KB
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MD5
4d6f6d174d9c49b0fe5e98959e7eb65e
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SHA1
21c18b4bfc0f13c72a472d004ec66f17c65b87e9
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SHA256
17411b5f0a6618aab02247492f9ed3afad7fe7a4209a2355bf4b7c471ebca4a9
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SHA512
18dfec2ab1760b0dd3d040a2e21f4de2fdba0e3decd594e0788a8c9fa098aba645f3bbca418657be99eb7a8ecebe924f1f59da6d9a1702e632079654c949a2be
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SSDEEP
768:rPDWCCqCFyNRXGkUpQxZDHxmwb+XFyO9BHx6NO/hgDrl841:rPDWPFyNRXG+ZjIiAFT99x6NO/4l841
Malware Config
Extracted
xworm
5.0
by-mit.gl.at.ply.gg:3500
EHm1yEhPOyWLIzo4
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Install_directory
%AppData%
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install_file
USB.exe
Signatures
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Detect Xworm Payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/3932-1-0x0000000000AA0000-0x0000000000AB0000-memory.dmp family_xworm C:\Users\Admin\AppData\Roaming\program family_xworm -
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.
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepid process 2880 powershell.exe 1964 powershell.exe 1772 powershell.exe 3324 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
4d6f6d174d9c49b0fe5e98959e7eb65e.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation 4d6f6d174d9c49b0fe5e98959e7eb65e.exe -
Drops startup file 2 IoCs
Processes:
4d6f6d174d9c49b0fe5e98959e7eb65e.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\program.lnk 4d6f6d174d9c49b0fe5e98959e7eb65e.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\program.lnk 4d6f6d174d9c49b0fe5e98959e7eb65e.exe -
Executes dropped EXE 2 IoCs
Processes:
programprogrampid process 3436 program 1712 program -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
4d6f6d174d9c49b0fe5e98959e7eb65e.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\program = "C:\\Users\\Admin\\AppData\\Roaming\\program" 4d6f6d174d9c49b0fe5e98959e7eb65e.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 1 ip-api.com -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepid process 1964 powershell.exe 1964 powershell.exe 1772 powershell.exe 1772 powershell.exe 3324 powershell.exe 3324 powershell.exe 2880 powershell.exe 2880 powershell.exe -
Suspicious use of AdjustPrivilegeToken 8 IoCs
Processes:
4d6f6d174d9c49b0fe5e98959e7eb65e.exepowershell.exepowershell.exepowershell.exepowershell.exeprogramprogramdescription pid process Token: SeDebugPrivilege 3932 4d6f6d174d9c49b0fe5e98959e7eb65e.exe Token: SeDebugPrivilege 1964 powershell.exe Token: SeDebugPrivilege 1772 powershell.exe Token: SeDebugPrivilege 3324 powershell.exe Token: SeDebugPrivilege 2880 powershell.exe Token: SeDebugPrivilege 3932 4d6f6d174d9c49b0fe5e98959e7eb65e.exe Token: SeDebugPrivilege 3436 program Token: SeDebugPrivilege 1712 program -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
4d6f6d174d9c49b0fe5e98959e7eb65e.exedescription pid process target process PID 3932 wrote to memory of 1964 3932 4d6f6d174d9c49b0fe5e98959e7eb65e.exe powershell.exe PID 3932 wrote to memory of 1964 3932 4d6f6d174d9c49b0fe5e98959e7eb65e.exe powershell.exe PID 3932 wrote to memory of 1772 3932 4d6f6d174d9c49b0fe5e98959e7eb65e.exe powershell.exe PID 3932 wrote to memory of 1772 3932 4d6f6d174d9c49b0fe5e98959e7eb65e.exe powershell.exe PID 3932 wrote to memory of 3324 3932 4d6f6d174d9c49b0fe5e98959e7eb65e.exe powershell.exe PID 3932 wrote to memory of 3324 3932 4d6f6d174d9c49b0fe5e98959e7eb65e.exe powershell.exe PID 3932 wrote to memory of 2880 3932 4d6f6d174d9c49b0fe5e98959e7eb65e.exe powershell.exe PID 3932 wrote to memory of 2880 3932 4d6f6d174d9c49b0fe5e98959e7eb65e.exe powershell.exe PID 3932 wrote to memory of 3948 3932 4d6f6d174d9c49b0fe5e98959e7eb65e.exe schtasks.exe PID 3932 wrote to memory of 3948 3932 4d6f6d174d9c49b0fe5e98959e7eb65e.exe schtasks.exe -
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
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C:\Users\Admin\AppData\Local\Temp\4d6f6d174d9c49b0fe5e98959e7eb65e.exe"C:\Users\Admin\AppData\Local\Temp\4d6f6d174d9c49b0fe5e98959e7eb65e.exe"1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3932 -
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\4d6f6d174d9c49b0fe5e98959e7eb65e.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1964
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '4d6f6d174d9c49b0fe5e98959e7eb65e.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1772
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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\program'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3324
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'program'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2880
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "program" /tr "C:\Users\Admin\AppData\Roaming\program"2⤵
- Creates scheduled task(s)
PID:3948
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4036 --field-trial-handle=2676,i,447940133669489189,1353734109898858672,262144 --variations-seed-version /prefetch:81⤵PID:1532
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C:\Users\Admin\AppData\Roaming\programC:\Users\Admin\AppData\Roaming\program1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3436
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C:\Users\Admin\AppData\Roaming\programC:\Users\Admin\AppData\Roaming\program1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1712
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD5d85ba6ff808d9e5444a4b369f5bc2730
SHA131aa9d96590fff6981b315e0b391b575e4c0804a
SHA25684739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
SHA5128c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
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Filesize
654B
MD52ff39f6c7249774be85fd60a8f9a245e
SHA1684ff36b31aedc1e587c8496c02722c6698c1c4e
SHA256e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced
SHA5121d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1
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Filesize
944B
MD5d28a889fd956d5cb3accfbaf1143eb6f
SHA1157ba54b365341f8ff06707d996b3635da8446f7
SHA25621e5d7ccf80a293e6ba30ed728846ca19c929c52b96e2c8d34e27cd2234f1d45
SHA5120b6d88deb9be85722e6a78d5886d49f2caf407a59e128d2b4ed74c1356f9928c40048a62731959f2460e9ff9d9feee311043d2a37abe3bb92c2b76a44281478c
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Filesize
944B
MD59bc110200117a3752313ca2acaf8a9e1
SHA1fda6b7da2e7b0175b391475ca78d1b4cf2147cd3
SHA256c88e4bbb64f7fa31429ebe82c1cf07785c44486f37576f783a26ac856e02a4eb
SHA5121f1af32aa18a8cbfcc65b0d4fb7e6ca2705f125eaa85789e981ee68b90c64522e954825abf460d4b4f97567715dfae8d9b0a25a4d54d10bc4c257c472f2e80fb
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Filesize
944B
MD550d3033f2bc3a3774c469d03e71a79a9
SHA122027b1d52085de99b3bffa276530fea5d961471
SHA2562987e99ec7fa17bd4ab7de3cb4dc62645e1052012a5a357904d6fc6db9054147
SHA512ecf7ab1a9e4192454a3e24c60453fd702a8c648e00078fc933b9182f4a3d3c10c6f5da622a5729b35727e6ddc8837029caddcaf76f56e805b9744253b56da5d8
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
38KB
MD54d6f6d174d9c49b0fe5e98959e7eb65e
SHA121c18b4bfc0f13c72a472d004ec66f17c65b87e9
SHA25617411b5f0a6618aab02247492f9ed3afad7fe7a4209a2355bf4b7c471ebca4a9
SHA51218dfec2ab1760b0dd3d040a2e21f4de2fdba0e3decd594e0788a8c9fa098aba645f3bbca418657be99eb7a8ecebe924f1f59da6d9a1702e632079654c949a2be