Analysis
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max time kernel
30s -
max time network
141s -
platform
windows11-21h2_x64 -
resource
win11-20240802-en -
resource tags
arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system -
submitted
04-09-2024 05:57
Static task
static1
Behavioral task
behavioral1
Sample
0b142a5773fcd9ae5cbb967f748e8da9a89e74aa50a0e1cd52f3aaa313bc749d.exe
Resource
win10v2004-20240802-en
General
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Target
0b142a5773fcd9ae5cbb967f748e8da9a89e74aa50a0e1cd52f3aaa313bc749d.exe
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Size
14.2MB
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MD5
741b1f2ee5826897af2ba2ec765296e4
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SHA1
706534d9c6a16354974b3b6fd6d1f620524b7dd1
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SHA256
0b142a5773fcd9ae5cbb967f748e8da9a89e74aa50a0e1cd52f3aaa313bc749d
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SHA512
a0b14ab280d906a8ad1681e335d30a457b02355cc941d12208f2ef460a9b1f700b84789749ee2080fb4351cce09e3cceeb9fea94478c3c81ae1fb184892de03a
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SSDEEP
196608:q1X5v7sGYYHDZH3OrlZPtgLklkC9sSJP/rSzQHvWSpdUorPr/kvmXhJ9aCD:qHqDVgV+9kQH+SfLdrnD
Malware Config
Extracted
xworm
5.0
45.141.26.197:7000
9nYi5R05H806aXaO
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Install_directory
%AppData%
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install_file
VLC_Media.exe
Signatures
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Detect Xworm Payload 2 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\VLC_Media.exe.exe family_xworm behavioral2/memory/4656-25-0x0000000000B40000-0x0000000000B72000-memory.dmp 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 2788 powershell.exe 4624 powershell.exe 4996 powershell.exe 3380 powershell.exe -
Drops startup file 2 IoCs
Processes:
VLC_Media.exe.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\VLC_Media.lnk VLC_Media.exe.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\VLC_Media.lnk VLC_Media.exe.exe -
Executes dropped EXE 2 IoCs
Processes:
XWorm V5.4.exeVLC_Media.exe.exepid process 4464 XWorm V5.4.exe 4656 VLC_Media.exe.exe -
Loads dropped DLL 1 IoCs
Processes:
XWorm V5.4.exepid process 4464 XWorm V5.4.exe -
Obfuscated with Agile.Net obfuscator 2 IoCs
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\XWorm V5.4.exe agile_net behavioral2/memory/4464-27-0x0000021942E70000-0x0000021943C50000-memory.dmp agile_net -
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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Suspicious behavior: EnumeratesProcesses 9 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exeVLC_Media.exe.exepid process 2788 powershell.exe 2788 powershell.exe 4624 powershell.exe 4624 powershell.exe 4996 powershell.exe 4996 powershell.exe 3380 powershell.exe 3380 powershell.exe 4656 VLC_Media.exe.exe -
Suspicious use of AdjustPrivilegeToken 7 IoCs
Processes:
VLC_Media.exe.exeXWorm V5.4.exepowershell.exepowershell.exepowershell.exepowershell.exedescription pid process Token: SeDebugPrivilege 4656 VLC_Media.exe.exe Token: SeDebugPrivilege 4464 XWorm V5.4.exe Token: SeDebugPrivilege 2788 powershell.exe Token: SeDebugPrivilege 4624 powershell.exe Token: SeDebugPrivilege 4996 powershell.exe Token: SeDebugPrivilege 3380 powershell.exe Token: SeDebugPrivilege 4656 VLC_Media.exe.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
VLC_Media.exe.exepid process 4656 VLC_Media.exe.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
0b142a5773fcd9ae5cbb967f748e8da9a89e74aa50a0e1cd52f3aaa313bc749d.exeVLC_Media.exe.exedescription pid process target process PID 3248 wrote to memory of 4464 3248 0b142a5773fcd9ae5cbb967f748e8da9a89e74aa50a0e1cd52f3aaa313bc749d.exe XWorm V5.4.exe PID 3248 wrote to memory of 4464 3248 0b142a5773fcd9ae5cbb967f748e8da9a89e74aa50a0e1cd52f3aaa313bc749d.exe XWorm V5.4.exe PID 3248 wrote to memory of 4656 3248 0b142a5773fcd9ae5cbb967f748e8da9a89e74aa50a0e1cd52f3aaa313bc749d.exe VLC_Media.exe.exe PID 3248 wrote to memory of 4656 3248 0b142a5773fcd9ae5cbb967f748e8da9a89e74aa50a0e1cd52f3aaa313bc749d.exe VLC_Media.exe.exe PID 4656 wrote to memory of 2788 4656 VLC_Media.exe.exe powershell.exe PID 4656 wrote to memory of 2788 4656 VLC_Media.exe.exe powershell.exe PID 4656 wrote to memory of 4624 4656 VLC_Media.exe.exe powershell.exe PID 4656 wrote to memory of 4624 4656 VLC_Media.exe.exe powershell.exe PID 4656 wrote to memory of 4996 4656 VLC_Media.exe.exe powershell.exe PID 4656 wrote to memory of 4996 4656 VLC_Media.exe.exe powershell.exe PID 4656 wrote to memory of 3380 4656 VLC_Media.exe.exe powershell.exe PID 4656 wrote to memory of 3380 4656 VLC_Media.exe.exe powershell.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\0b142a5773fcd9ae5cbb967f748e8da9a89e74aa50a0e1cd52f3aaa313bc749d.exe"C:\Users\Admin\AppData\Local\Temp\0b142a5773fcd9ae5cbb967f748e8da9a89e74aa50a0e1cd52f3aaa313bc749d.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3248 -
C:\Users\Admin\AppData\Local\Temp\XWorm V5.4.exe"C:\Users\Admin\AppData\Local\Temp\XWorm V5.4.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
PID:4464
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C:\Users\Admin\AppData\Local\Temp\VLC_Media.exe.exe"C:\Users\Admin\AppData\Local\Temp\VLC_Media.exe.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4656 -
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\VLC_Media.exe.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2788
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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 'VLC_Media.exe.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4624
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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\VLC_Media.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4996
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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 'VLC_Media.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3380
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD5627073ee3ca9676911bee35548eff2b8
SHA14c4b68c65e2cab9864b51167d710aa29ebdcff2e
SHA25685b280a39fc31ba1e15fb06102a05b8405ff3b82feb181d4170f04e466dd647c
SHA5123c5f6c03e253b83c57e8d6f0334187dbdcdf4fa549eecd36cbc1322dca6d3ca891dc6a019c49ec2eafb88f82d0434299c31e4dfaab123acb42e0546218f311fb
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Filesize
944B
MD5d0a4a3b9a52b8fe3b019f6cd0ef3dad6
SHA1fed70ce7834c3b97edbd078eccda1e5effa527cd
SHA25621942e513f223fdad778348fbb20617dd29f986bccd87824c0ae7f15649f3f31
SHA5121a66f837b4e7fb6346d0500aeacb44902fb8a239bce23416271263eba46fddae58a17075e188ae43eb516c841e02c87e32ebd73256c7cc2c0713d00c35f1761b
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Filesize
944B
MD580b42fe4c6cf64624e6c31e5d7f2d3b3
SHA11f93e7dd83b86cb900810b7e3e43797868bf7d93
SHA256ee20a5b38a6674366efda276dbbf0b43eb54efd282acfc1033042f6b53a80d4d
SHA51283c1c744c15a8b427a1d3af677ec3bfd0353875a60fe886c41570981e17467ebbb59619b960ca8c5c3ab1430946b0633ea200b7e7d84ab6dca88b60c50055573
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Filesize
944B
MD5a6d433375d7021a44c11e271e5f4ce8a
SHA110380ef4f800be9be4d39a280896825ba3fa5153
SHA2562f794e76611f45c4777264da515167929949bc7fbdbe1a5181ae13fa9ad58296
SHA5123cffa0bf0ce06320008b379684b0ebcfc5ab658a0222f72b5afd0dfb8d510e24b6295f48a500e8bca7e64d03e98331b226599320a58ce3019e9c437a6fbc621e
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Filesize
176KB
MD5a9376f54dd83bf547f6188f8904ae3af
SHA185bb802b0ade5b2136c83e6217a2aaace3735edc
SHA25644661d9d0df9aa2e03844719c9e6963a738e431c565f0983d309a0e113508d17
SHA51271a4e6251e201441ccc1ae9633790b977a898e6f42b0d25f4c54d66d99311dad5b63e25f7ac703e932db5a526290f95e9abfe2158b72cd21e8564ac1942a48a9
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Filesize
13.8MB
MD5efb0528d6978337e964d999dacb621df
SHA1244979b8495d3d173a4359d62ad771f99a0033fc
SHA2564786ac3ceb9ecdcb98bdd19a0e93750e6c9c0df460751994840f8ea9733cc491
SHA5124b16aca5638094741a9e5f0e4581b5c3cdbd77835035362468d2a0e077fba0f96b8dd98c4a4ea853b3b623d5b525fe64091daa1b761597b660840a371fbae0df
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
112KB
MD52f1a50031dcf5c87d92e8b2491fdcea6
SHA171e2aaa2d1bb7dbe32a00e1d01d744830ecce08f
SHA25647578a37901c82f66e4dba47acd5c3cab6d09c9911d16f5ad0413275342147ed
SHA5121c66dbe1320c1a84023bdf77686a2a7ab79a3e86ba5a4ea2cda9a37f8a916137d5cfec30b28ceae181355f6f279270465ef63ae90b7e8dcd4c1a8198a7fd36a8