Analysis
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max time kernel
134s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-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 behavioral1/memory/2316-5-0x0000000000400000-0x000000000040E000-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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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
d3cb334461ab9872b165ee1a3b316deb41b457ca227b491036f9ee49274996ae.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Control Panel\International\Geo\Nation d3cb334461ab9872b165ee1a3b316deb41b457ca227b491036f9ee49274996ae.exe -
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 3700 set thread context of 2316 3700 d3cb334461ab9872b165ee1a3b316deb41b457ca227b491036f9ee49274996ae.exe installutil.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
powershell.exepid process 376 powershell.exe 376 powershell.exe 376 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.exeinstallutil.exedescription pid process Token: SeDebugPrivilege 376 powershell.exe Token: SeDebugPrivilege 2316 installutil.exe -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
d3cb334461ab9872b165ee1a3b316deb41b457ca227b491036f9ee49274996ae.exedescription pid process target process PID 3700 wrote to memory of 376 3700 d3cb334461ab9872b165ee1a3b316deb41b457ca227b491036f9ee49274996ae.exe powershell.exe PID 3700 wrote to memory of 376 3700 d3cb334461ab9872b165ee1a3b316deb41b457ca227b491036f9ee49274996ae.exe powershell.exe PID 3700 wrote to memory of 2316 3700 d3cb334461ab9872b165ee1a3b316deb41b457ca227b491036f9ee49274996ae.exe installutil.exe PID 3700 wrote to memory of 2316 3700 d3cb334461ab9872b165ee1a3b316deb41b457ca227b491036f9ee49274996ae.exe installutil.exe PID 3700 wrote to memory of 2316 3700 d3cb334461ab9872b165ee1a3b316deb41b457ca227b491036f9ee49274996ae.exe installutil.exe PID 3700 wrote to memory of 2316 3700 d3cb334461ab9872b165ee1a3b316deb41b457ca227b491036f9ee49274996ae.exe installutil.exe PID 3700 wrote to memory of 2316 3700 d3cb334461ab9872b165ee1a3b316deb41b457ca227b491036f9ee49274996ae.exe installutil.exe PID 3700 wrote to memory of 2316 3700 d3cb334461ab9872b165ee1a3b316deb41b457ca227b491036f9ee49274996ae.exe installutil.exe PID 3700 wrote to memory of 2316 3700 d3cb334461ab9872b165ee1a3b316deb41b457ca227b491036f9ee49274996ae.exe installutil.exe PID 3700 wrote to memory of 2316 3700 d3cb334461ab9872b165ee1a3b316deb41b457ca227b491036f9ee49274996ae.exe installutil.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
- Checks computer location settings
- 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\installutil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"2⤵
- Suspicious use of AdjustPrivilegeToken
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_rlbrzljy.g22.ps1Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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memory/376-7-0x00007FFC4B003000-0x00007FFC4B005000-memory.dmpFilesize
8KB
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memory/376-23-0x00007FFC4B000000-0x00007FFC4BAC1000-memory.dmpFilesize
10.8MB
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memory/376-20-0x00007FFC4B000000-0x00007FFC4BAC1000-memory.dmpFilesize
10.8MB
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memory/376-19-0x0000019DCF760000-0x0000019DCF782000-memory.dmpFilesize
136KB
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memory/376-18-0x00007FFC4B000000-0x00007FFC4BAC1000-memory.dmpFilesize
10.8MB
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memory/2316-5-0x0000000000400000-0x000000000040E000-memory.dmpFilesize
56KB
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memory/2316-25-0x00000000030C0000-0x00000000030D0000-memory.dmpFilesize
64KB
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memory/2316-30-0x00000000030C0000-0x00000000030D0000-memory.dmpFilesize
64KB
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memory/2316-10-0x00000000056E0000-0x000000000577C000-memory.dmpFilesize
624KB
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memory/2316-6-0x00000000753BE000-0x00000000753BF000-memory.dmpFilesize
4KB
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memory/2316-29-0x00000000753BE000-0x00000000753BF000-memory.dmpFilesize
4KB
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memory/2316-28-0x0000000006F30000-0x00000000074D4000-memory.dmpFilesize
5.6MB
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memory/2316-27-0x00000000068E0000-0x0000000006972000-memory.dmpFilesize
584KB
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memory/2316-26-0x0000000005DB0000-0x0000000005E16000-memory.dmpFilesize
408KB
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memory/3700-4-0x000001CB316F0000-0x000001CB31750000-memory.dmpFilesize
384KB
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memory/3700-24-0x00007FFC4B000000-0x00007FFC4BAC1000-memory.dmpFilesize
10.8MB
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memory/3700-1-0x000001CB18C90000-0x000001CB18C9A000-memory.dmpFilesize
40KB
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memory/3700-2-0x00007FFC4B000000-0x00007FFC4BAC1000-memory.dmpFilesize
10.8MB
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memory/3700-3-0x00007FFC4B000000-0x00007FFC4BAC1000-memory.dmpFilesize
10.8MB
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memory/3700-0-0x00007FFC4B003000-0x00007FFC4B005000-memory.dmpFilesize
8KB