Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
04-09-2024 05:03
Static task
static1
Behavioral task
behavioral1
Sample
XWORM-V5.4.exe
Resource
win7-20240903-en
General
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Target
XWORM-V5.4.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/4808-26-0x0000000000930000-0x0000000000962000-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 456 powershell.exe 1916 powershell.exe 3204 powershell.exe 1276 powershell.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
XWORM-V5.4.exeVLC_Media.exe.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation XWORM-V5.4.exe Key value queried \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation VLC_Media.exe.exe -
Drops startup file 2 IoCs
Processes:
VLC_Media.exe.exedescription ioc process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\VLC_Media.lnk VLC_Media.exe.exe File created 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 2324 XWorm V5.4.exe 4808 VLC_Media.exe.exe -
Loads dropped DLL 1 IoCs
Processes:
XWorm V5.4.exepid process 2324 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/2324-25-0x000001FAC95C0000-0x000001FACA3A0000-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 14 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 456 powershell.exe 456 powershell.exe 1916 powershell.exe 1916 powershell.exe 3204 powershell.exe 3204 powershell.exe 1276 powershell.exe 1276 powershell.exe 4808 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 4808 VLC_Media.exe.exe Token: SeDebugPrivilege 2324 XWorm V5.4.exe Token: SeDebugPrivilege 456 powershell.exe Token: SeDebugPrivilege 1916 powershell.exe Token: SeDebugPrivilege 3204 powershell.exe Token: SeDebugPrivilege 1276 powershell.exe Token: SeDebugPrivilege 4808 VLC_Media.exe.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
VLC_Media.exe.exepid process 4808 VLC_Media.exe.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
XWORM-V5.4.exeVLC_Media.exe.exedescription pid process target process PID 2020 wrote to memory of 2324 2020 XWORM-V5.4.exe XWorm V5.4.exe PID 2020 wrote to memory of 2324 2020 XWORM-V5.4.exe XWorm V5.4.exe PID 2020 wrote to memory of 4808 2020 XWORM-V5.4.exe VLC_Media.exe.exe PID 2020 wrote to memory of 4808 2020 XWORM-V5.4.exe VLC_Media.exe.exe PID 4808 wrote to memory of 456 4808 VLC_Media.exe.exe powershell.exe PID 4808 wrote to memory of 456 4808 VLC_Media.exe.exe powershell.exe PID 4808 wrote to memory of 1916 4808 VLC_Media.exe.exe powershell.exe PID 4808 wrote to memory of 1916 4808 VLC_Media.exe.exe powershell.exe PID 4808 wrote to memory of 3204 4808 VLC_Media.exe.exe powershell.exe PID 4808 wrote to memory of 3204 4808 VLC_Media.exe.exe powershell.exe PID 4808 wrote to memory of 1276 4808 VLC_Media.exe.exe powershell.exe PID 4808 wrote to memory of 1276 4808 VLC_Media.exe.exe powershell.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\XWORM-V5.4.exe"C:\Users\Admin\AppData\Local\Temp\XWORM-V5.4.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2020 -
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:2324
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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⤵
- Checks computer location settings
- Drops startup file
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4808 -
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:456
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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:1916
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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:3204
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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:1276
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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
944B
MD56d42b6da621e8df5674e26b799c8e2aa
SHA1ab3ce1327ea1eeedb987ec823d5e0cb146bafa48
SHA2565ab6a1726f425c6d0158f55eb8d81754ddedd51e651aa0a899a29b7a58619c4c
SHA51253faffbda8a835bc1143e894c118c15901a5fd09cfc2224dd2f754c06dc794897315049a579b9a8382d4564f071576045aaaf824019b7139d939152dca38ce29
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Filesize
944B
MD5a2c8179aaa149c0b9791b73ce44c04d1
SHA1703361b0d43ec7f669304e7c0ffbbfdeb1e484ff
SHA256c1d30342a40a2b6e7553da30ceb85754d33820f6fbb3bbbed1ceb30d6390de4a
SHA5122e201dd457d055baad86f68c15bcc7beb48d6dc2ffc10db7f304eb93f697e7b45991cbde857d25da2c9c60c23f3e13df8b5ed5809c1753737a23096e296cc9e3
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Filesize
944B
MD5dbb22d95851b93abf2afe8fb96a8e544
SHA1920ec5fdb323537bcf78f7e29a4fc274e657f7a4
SHA256e1ee9af6b9e3bfd41b7d2c980580bb7427883f1169ed3df4be11293ce7895465
SHA51216031134458bf312509044a3028be46034c544163c4ca956aee74d2075fbeb5873754d2254dc1d0b573ce1a644336ac4c8bd7147aba100bfdac8c504900ef3fc
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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