Analysis
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max time kernel
90s -
max time network
143s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
21-05-2024 03:57
Static task
static1
Behavioral task
behavioral1
Sample
d3cb334461ab9872b165ee1a3b316deb41b457ca227b491036f9ee49274996ae.exe
Resource
win10v2004-20240426-en
General
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Target
d3cb334461ab9872b165ee1a3b316deb41b457ca227b491036f9ee49274996ae.exe
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Size
1.0MB
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MD5
a17247378506d83bb0d37b5c1a0f654d
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SHA1
5a5e0a251935ab8d9a33dee4ae96e094f18e9c0d
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SHA256
d3cb334461ab9872b165ee1a3b316deb41b457ca227b491036f9ee49274996ae
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SHA512
21977587adee27694299d8ded2cb6e4945ef0b768186bcd6c67ebc749b9255bdf34e786c4dd4369029c4692ca085e029ed7d62439acc4b5c501fd372b2f9c275
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SSDEEP
24576:42kQjNXFD9wX+3zH6s5K4Z3L+M8ucAv23vUPqPmP:XOOmM3L+Ruc9CP
Malware Config
Extracted
xworm
5.0
79.110.49.133:5700
Bg9JRZDpyEfXxrAy
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install_file
USB.exe
Signatures
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Detect Xworm Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3468-5-0x0000000000400000-0x000000000040E000-memory.dmp family_xworm -
Processes:
d3cb334461ab9872b165ee1a3b316deb41b457ca227b491036f9ee49274996ae.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" d3cb334461ab9872b165ee1a3b316deb41b457ca227b491036f9ee49274996ae.exe -
Processes:
d3cb334461ab9872b165ee1a3b316deb41b457ca227b491036f9ee49274996ae.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths d3cb334461ab9872b165ee1a3b316deb41b457ca227b491036f9ee49274996ae.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\d3cb334461ab9872b165ee1a3b316deb41b457ca227b491036f9ee49274996ae.exe = "0" d3cb334461ab9872b165ee1a3b316deb41b457ca227b491036f9ee49274996ae.exe -
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Processes:
d3cb334461ab9872b165ee1a3b316deb41b457ca227b491036f9ee49274996ae.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths d3cb334461ab9872b165ee1a3b316deb41b457ca227b491036f9ee49274996ae.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions d3cb334461ab9872b165ee1a3b316deb41b457ca227b491036f9ee49274996ae.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\d3cb334461ab9872b165ee1a3b316deb41b457ca227b491036f9ee49274996ae.exe = "0" d3cb334461ab9872b165ee1a3b316deb41b457ca227b491036f9ee49274996ae.exe -
Processes:
d3cb334461ab9872b165ee1a3b316deb41b457ca227b491036f9ee49274996ae.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA d3cb334461ab9872b165ee1a3b316deb41b457ca227b491036f9ee49274996ae.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" d3cb334461ab9872b165ee1a3b316deb41b457ca227b491036f9ee49274996ae.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
d3cb334461ab9872b165ee1a3b316deb41b457ca227b491036f9ee49274996ae.exedescription pid process target process PID 3316 set thread context of 3468 3316 d3cb334461ab9872b165ee1a3b316deb41b457ca227b491036f9ee49274996ae.exe CasPol.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
powershell.exepid process 3256 powershell.exe 3256 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.exeCasPol.exedescription pid process Token: SeDebugPrivilege 3256 powershell.exe Token: SeDebugPrivilege 3468 CasPol.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
d3cb334461ab9872b165ee1a3b316deb41b457ca227b491036f9ee49274996ae.exedescription pid process target process PID 3316 wrote to memory of 3256 3316 d3cb334461ab9872b165ee1a3b316deb41b457ca227b491036f9ee49274996ae.exe powershell.exe PID 3316 wrote to memory of 3256 3316 d3cb334461ab9872b165ee1a3b316deb41b457ca227b491036f9ee49274996ae.exe powershell.exe PID 3316 wrote to memory of 3468 3316 d3cb334461ab9872b165ee1a3b316deb41b457ca227b491036f9ee49274996ae.exe CasPol.exe PID 3316 wrote to memory of 3468 3316 d3cb334461ab9872b165ee1a3b316deb41b457ca227b491036f9ee49274996ae.exe CasPol.exe PID 3316 wrote to memory of 3468 3316 d3cb334461ab9872b165ee1a3b316deb41b457ca227b491036f9ee49274996ae.exe CasPol.exe PID 3316 wrote to memory of 3468 3316 d3cb334461ab9872b165ee1a3b316deb41b457ca227b491036f9ee49274996ae.exe CasPol.exe PID 3316 wrote to memory of 3468 3316 d3cb334461ab9872b165ee1a3b316deb41b457ca227b491036f9ee49274996ae.exe CasPol.exe PID 3316 wrote to memory of 3468 3316 d3cb334461ab9872b165ee1a3b316deb41b457ca227b491036f9ee49274996ae.exe CasPol.exe PID 3316 wrote to memory of 3468 3316 d3cb334461ab9872b165ee1a3b316deb41b457ca227b491036f9ee49274996ae.exe CasPol.exe PID 3316 wrote to memory of 3468 3316 d3cb334461ab9872b165ee1a3b316deb41b457ca227b491036f9ee49274996ae.exe CasPol.exe PID 3316 wrote to memory of 3804 3316 d3cb334461ab9872b165ee1a3b316deb41b457ca227b491036f9ee49274996ae.exe CasPol.exe PID 3316 wrote to memory of 3804 3316 d3cb334461ab9872b165ee1a3b316deb41b457ca227b491036f9ee49274996ae.exe CasPol.exe PID 3316 wrote to memory of 3804 3316 d3cb334461ab9872b165ee1a3b316deb41b457ca227b491036f9ee49274996ae.exe CasPol.exe -
System policy modification 1 TTPs 1 IoCs
Processes:
d3cb334461ab9872b165ee1a3b316deb41b457ca227b491036f9ee49274996ae.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" d3cb334461ab9872b165ee1a3b316deb41b457ca227b491036f9ee49274996ae.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\d3cb334461ab9872b165ee1a3b316deb41b457ca227b491036f9ee49274996ae.exe"C:\Users\Admin\AppData\Local\Temp\d3cb334461ab9872b165ee1a3b316deb41b457ca227b491036f9ee49274996ae.exe"1⤵
- UAC bypass
- Windows security bypass
- Windows security modification
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
- System policy modification
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\d3cb334461ab9872b165ee1a3b316deb41b457ca227b491036f9ee49274996ae.exe" -Force2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"2⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"2⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jdnlrds3.u1x.ps1Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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memory/3256-18-0x00007FFB24C90000-0x00007FFB25752000-memory.dmpFilesize
10.8MB
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memory/3256-15-0x00000200A3930000-0x00000200A3952000-memory.dmpFilesize
136KB
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memory/3256-17-0x00007FFB24C90000-0x00007FFB25752000-memory.dmpFilesize
10.8MB
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memory/3256-23-0x00007FFB24C90000-0x00007FFB25752000-memory.dmpFilesize
10.8MB
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memory/3256-14-0x00007FFB24C90000-0x00007FFB25752000-memory.dmpFilesize
10.8MB
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memory/3316-1-0x00000221641B0000-0x00000221641BA000-memory.dmpFilesize
40KB
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memory/3316-2-0x00007FFB24C90000-0x00007FFB25752000-memory.dmpFilesize
10.8MB
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memory/3316-3-0x00007FFB24C90000-0x00007FFB25752000-memory.dmpFilesize
10.8MB
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memory/3316-4-0x000002217CC10000-0x000002217CC70000-memory.dmpFilesize
384KB
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memory/3316-0-0x00007FFB24C93000-0x00007FFB24C95000-memory.dmpFilesize
8KB
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memory/3316-20-0x00007FFB24C90000-0x00007FFB25752000-memory.dmpFilesize
10.8MB
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memory/3468-5-0x0000000000400000-0x000000000040E000-memory.dmpFilesize
56KB
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memory/3468-27-0x0000000074DAE000-0x0000000074DAF000-memory.dmpFilesize
4KB
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memory/3468-19-0x0000000074DAE000-0x0000000074DAF000-memory.dmpFilesize
4KB
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memory/3468-24-0x0000000005B70000-0x0000000005BD6000-memory.dmpFilesize
408KB
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memory/3468-25-0x0000000006560000-0x00000000065F2000-memory.dmpFilesize
584KB
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memory/3468-26-0x0000000006BB0000-0x0000000007156000-memory.dmpFilesize
5.6MB
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memory/3468-16-0x0000000005460000-0x00000000054FC000-memory.dmpFilesize
624KB