Analysis
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max time kernel
133s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
26-05-2024 15:54
Behavioral task
behavioral1
Sample
ca83463a0b08d1a04d19a0a28e11e6a8123753061a91e21dbf09a1aba55e1526.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
ca83463a0b08d1a04d19a0a28e11e6a8123753061a91e21dbf09a1aba55e1526.exe
Resource
win10v2004-20240508-en
General
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Target
ca83463a0b08d1a04d19a0a28e11e6a8123753061a91e21dbf09a1aba55e1526.exe
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Size
85KB
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MD5
d9f622dd3ba5ba4e70a51e7d690e8019
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SHA1
e7a5149a04e34782d8cf95248955d726df26ad72
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SHA256
ca83463a0b08d1a04d19a0a28e11e6a8123753061a91e21dbf09a1aba55e1526
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SHA512
a0cbeafabfcd916e132f8d4bfcc69adb280022a107102199cd99372fb8b76fc08332f9d24863eab19f264e697b3340917a85073a7a5be76e158abcca3145b1a7
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SSDEEP
1536:X8cC9V4pEQ5RZxzK1bgB+bN4JdErIlkUH66q7ICKO7JIbVhk:X82DZ3B+bN1IlLHWUdO9I5hk
Malware Config
Extracted
xworm
character-estimate.gl.at.ply.gg:61192
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Install_directory
%ProgramData%
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install_file
Chrome.exe
Signatures
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Detect Xworm Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/1396-1-0x0000000000AF0000-0x0000000000B0C000-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 3924 powershell.exe 4776 powershell.exe 2384 powershell.exe 920 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
ca83463a0b08d1a04d19a0a28e11e6a8123753061a91e21dbf09a1aba55e1526.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation ca83463a0b08d1a04d19a0a28e11e6a8123753061a91e21dbf09a1aba55e1526.exe -
Drops startup file 2 IoCs
Processes:
ca83463a0b08d1a04d19a0a28e11e6a8123753061a91e21dbf09a1aba55e1526.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Chrome.lnk ca83463a0b08d1a04d19a0a28e11e6a8123753061a91e21dbf09a1aba55e1526.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Chrome.lnk ca83463a0b08d1a04d19a0a28e11e6a8123753061a91e21dbf09a1aba55e1526.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
ca83463a0b08d1a04d19a0a28e11e6a8123753061a91e21dbf09a1aba55e1526.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Chrome = "C:\\ProgramData\\Chrome.exe" ca83463a0b08d1a04d19a0a28e11e6a8123753061a91e21dbf09a1aba55e1526.exe -
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.execa83463a0b08d1a04d19a0a28e11e6a8123753061a91e21dbf09a1aba55e1526.exepid process 3924 powershell.exe 3924 powershell.exe 4776 powershell.exe 4776 powershell.exe 2384 powershell.exe 2384 powershell.exe 920 powershell.exe 920 powershell.exe 1396 ca83463a0b08d1a04d19a0a28e11e6a8123753061a91e21dbf09a1aba55e1526.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
ca83463a0b08d1a04d19a0a28e11e6a8123753061a91e21dbf09a1aba55e1526.exepowershell.exepowershell.exepowershell.exepowershell.exedescription pid process Token: SeDebugPrivilege 1396 ca83463a0b08d1a04d19a0a28e11e6a8123753061a91e21dbf09a1aba55e1526.exe Token: SeDebugPrivilege 3924 powershell.exe Token: SeDebugPrivilege 4776 powershell.exe Token: SeDebugPrivilege 2384 powershell.exe Token: SeDebugPrivilege 920 powershell.exe Token: SeDebugPrivilege 1396 ca83463a0b08d1a04d19a0a28e11e6a8123753061a91e21dbf09a1aba55e1526.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
ca83463a0b08d1a04d19a0a28e11e6a8123753061a91e21dbf09a1aba55e1526.exepid process 1396 ca83463a0b08d1a04d19a0a28e11e6a8123753061a91e21dbf09a1aba55e1526.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
ca83463a0b08d1a04d19a0a28e11e6a8123753061a91e21dbf09a1aba55e1526.exedescription pid process target process PID 1396 wrote to memory of 3924 1396 ca83463a0b08d1a04d19a0a28e11e6a8123753061a91e21dbf09a1aba55e1526.exe powershell.exe PID 1396 wrote to memory of 3924 1396 ca83463a0b08d1a04d19a0a28e11e6a8123753061a91e21dbf09a1aba55e1526.exe powershell.exe PID 1396 wrote to memory of 4776 1396 ca83463a0b08d1a04d19a0a28e11e6a8123753061a91e21dbf09a1aba55e1526.exe powershell.exe PID 1396 wrote to memory of 4776 1396 ca83463a0b08d1a04d19a0a28e11e6a8123753061a91e21dbf09a1aba55e1526.exe powershell.exe PID 1396 wrote to memory of 2384 1396 ca83463a0b08d1a04d19a0a28e11e6a8123753061a91e21dbf09a1aba55e1526.exe powershell.exe PID 1396 wrote to memory of 2384 1396 ca83463a0b08d1a04d19a0a28e11e6a8123753061a91e21dbf09a1aba55e1526.exe powershell.exe PID 1396 wrote to memory of 920 1396 ca83463a0b08d1a04d19a0a28e11e6a8123753061a91e21dbf09a1aba55e1526.exe powershell.exe PID 1396 wrote to memory of 920 1396 ca83463a0b08d1a04d19a0a28e11e6a8123753061a91e21dbf09a1aba55e1526.exe powershell.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ca83463a0b08d1a04d19a0a28e11e6a8123753061a91e21dbf09a1aba55e1526.exe"C:\Users\Admin\AppData\Local\Temp\ca83463a0b08d1a04d19a0a28e11e6a8123753061a91e21dbf09a1aba55e1526.exe"1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1396 -
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\ca83463a0b08d1a04d19a0a28e11e6a8123753061a91e21dbf09a1aba55e1526.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3924
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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 'ca83463a0b08d1a04d19a0a28e11e6a8123753061a91e21dbf09a1aba55e1526.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4776
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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:\ProgramData\Chrome.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2384
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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 'Chrome.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:920
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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
MD5e243a38635ff9a06c87c2a61a2200656
SHA1ecd95ed5bf1a9fbe96a8448fc2814a0210fa2afc
SHA256af5782703f3f2d5a29fb313dae6680a64134db26064d4a321a3f23b75f6ca00f
SHA5124418957a1b10eee44cf270c81816ae707352411c4f5ac14b6b61ab537c91480e24e0a0a2c276a6291081b4984c123cf673a45dcedb0ceeef682054ba0fc19cb4
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Filesize
944B
MD5110b59ca4d00786d0bde151d21865049
SHA1557e730d93fdf944a0cad874022df1895fb5b2e2
SHA25677f69011c214ea5a01fd2035d781914c4893aee66d784deadc22179eadfdf77f
SHA512cb55ac6eca50f4427718bace861679c88b2fdfea94d30209e8d61ca73a6ce9f8c4b5334922d2660a829b0636d20cbdf3bae1497c920e604efe6c636019feb10e
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Filesize
944B
MD5ef72c47dbfaae0b9b0d09f22ad4afe20
SHA15357f66ba69b89440b99d4273b74221670129338
SHA256692ec20c7039170fb199510f0436181fd155e6b4516d4d1c9e1675adf99aaa7f
SHA5127514b6bc8dc39fa618223300be27cd535dc35b18c66b4a089e2302e72b3e0cac06d88a989fa1296feb386b3cbe2084019df6430c7f895071b76e04ce559a30b4
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82