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Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
18/11/2024, 02:14
Static task
static1
Behavioral task
behavioral1
Sample
4560c263255a3f4682b69a3e989591ee4b4df60a8a7680a3905c0c7b33a83d42.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
4560c263255a3f4682b69a3e989591ee4b4df60a8a7680a3905c0c7b33a83d42.exe
Resource
win10v2004-20241007-en
General
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Target
4560c263255a3f4682b69a3e989591ee4b4df60a8a7680a3905c0c7b33a83d42.exe
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Size
116KB
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MD5
4f0c8a81138b78a1f40ef1d383632130
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SHA1
96b6c6ff5c5b1aa90014e975bb851d23acbed598
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SHA256
4560c263255a3f4682b69a3e989591ee4b4df60a8a7680a3905c0c7b33a83d42
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SHA512
687dddf2a070acbb5eee3af912dc1461968a67b05992f76f5a77a5bb0d773ae1049c7e44386c4a44d5971ace7784a8601c2fc3f47f1f8dbbb06a7e04646bbf1c
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SSDEEP
3072:oziOToQz31V4b1pCoLd7H7dwsIc6rmGBLYdLrfncO:+ToQzFjox7bCs5WmGVYVrfn
Malware Config
Extracted
xworm
left-noon.gl.at.ply.gg:60705
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Install_directory
%AppData%
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install_file
US11B.exe
Signatures
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Detect Xworm Payload 2 IoCs
resource yara_rule behavioral2/files/0x000b000000023b8a-7.dat family_xworm behavioral2/memory/3008-10-0x0000000000D10000-0x0000000000D2A000-memory.dmp family_xworm -
Xworm family
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Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 3408 powershell.exe 1828 powershell.exe 3532 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation sms9EA1.tmp -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sms9EA1.lnk sms9EA1.tmp File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sms9EA1.lnk sms9EA1.tmp -
Executes dropped EXE 1 IoCs
pid Process 3008 sms9EA1.tmp -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sms9EA1 = "C:\\Users\\Admin\\AppData\\Roaming\\sms9EA1.tmp" sms9EA1.tmp -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 13 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1692 set thread context of 4656 1692 4560c263255a3f4682b69a3e989591ee4b4df60a8a7680a3905c0c7b33a83d42.exe 86 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000_Classes\Local Settings OpenWith.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1264 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 3532 powershell.exe 3532 powershell.exe 3408 powershell.exe 3408 powershell.exe 1828 powershell.exe 1828 powershell.exe 3008 sms9EA1.tmp -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 3008 sms9EA1.tmp Token: SeDebugPrivilege 3532 powershell.exe Token: SeDebugPrivilege 3408 powershell.exe Token: SeDebugPrivilege 1828 powershell.exe Token: SeDebugPrivilege 3008 sms9EA1.tmp -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3008 sms9EA1.tmp 404 OpenWith.exe -
Suspicious use of WriteProcessMemory 19 IoCs
description pid Process procid_target PID 1692 wrote to memory of 4656 1692 4560c263255a3f4682b69a3e989591ee4b4df60a8a7680a3905c0c7b33a83d42.exe 86 PID 1692 wrote to memory of 4656 1692 4560c263255a3f4682b69a3e989591ee4b4df60a8a7680a3905c0c7b33a83d42.exe 86 PID 1692 wrote to memory of 4656 1692 4560c263255a3f4682b69a3e989591ee4b4df60a8a7680a3905c0c7b33a83d42.exe 86 PID 1692 wrote to memory of 4656 1692 4560c263255a3f4682b69a3e989591ee4b4df60a8a7680a3905c0c7b33a83d42.exe 86 PID 1692 wrote to memory of 4656 1692 4560c263255a3f4682b69a3e989591ee4b4df60a8a7680a3905c0c7b33a83d42.exe 86 PID 1692 wrote to memory of 4656 1692 4560c263255a3f4682b69a3e989591ee4b4df60a8a7680a3905c0c7b33a83d42.exe 86 PID 1692 wrote to memory of 4656 1692 4560c263255a3f4682b69a3e989591ee4b4df60a8a7680a3905c0c7b33a83d42.exe 86 PID 1692 wrote to memory of 4656 1692 4560c263255a3f4682b69a3e989591ee4b4df60a8a7680a3905c0c7b33a83d42.exe 86 PID 1692 wrote to memory of 4656 1692 4560c263255a3f4682b69a3e989591ee4b4df60a8a7680a3905c0c7b33a83d42.exe 86 PID 4656 wrote to memory of 3008 4656 4560c263255a3f4682b69a3e989591ee4b4df60a8a7680a3905c0c7b33a83d42.exe 87 PID 4656 wrote to memory of 3008 4656 4560c263255a3f4682b69a3e989591ee4b4df60a8a7680a3905c0c7b33a83d42.exe 87 PID 3008 wrote to memory of 3532 3008 sms9EA1.tmp 95 PID 3008 wrote to memory of 3532 3008 sms9EA1.tmp 95 PID 3008 wrote to memory of 3408 3008 sms9EA1.tmp 98 PID 3008 wrote to memory of 3408 3008 sms9EA1.tmp 98 PID 3008 wrote to memory of 1828 3008 sms9EA1.tmp 100 PID 3008 wrote to memory of 1828 3008 sms9EA1.tmp 100 PID 3008 wrote to memory of 1264 3008 sms9EA1.tmp 103 PID 3008 wrote to memory of 1264 3008 sms9EA1.tmp 103 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\4560c263255a3f4682b69a3e989591ee4b4df60a8a7680a3905c0c7b33a83d42.exe"C:\Users\Admin\AppData\Local\Temp\4560c263255a3f4682b69a3e989591ee4b4df60a8a7680a3905c0c7b33a83d42.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1692 -
C:\Users\Admin\AppData\Local\Temp\4560c263255a3f4682b69a3e989591ee4b4df60a8a7680a3905c0c7b33a83d42.exe"C:\Users\Admin\AppData\Local\Temp\4560c263255a3f4682b69a3e989591ee4b4df60a8a7680a3905c0c7b33a83d42.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:4656 -
C:\Users\Admin\AppData\Local\Temp\sms9EA1.tmp"C:\Users\Admin\AppData\Local\Temp\sms9EA1.tmp"3⤵
- Checks computer location settings
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3008 -
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\sms9EA1.tmp'4⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3532
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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 'sms9EA1.tmp'4⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3408
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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\sms9EA1.tmp'4⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1828
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "sms9EA1" /tr "C:\Users\Admin\AppData\Roaming\sms9EA1.tmp"4⤵
- Scheduled Task/Job: Scheduled Task
PID:1264
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C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe "C:\Users\Admin\AppData\Roaming\sms9EA1.tmp"1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:404
Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
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Downloads
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Filesize
2KB
MD5d85ba6ff808d9e5444a4b369f5bc2730
SHA131aa9d96590fff6981b315e0b391b575e4c0804a
SHA25684739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
SHA5128c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
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Filesize
944B
MD53a6bad9528f8e23fb5c77fbd81fa28e8
SHA1f127317c3bc6407f536c0f0600dcbcf1aabfba36
SHA256986366767de5873f1b170a63f2a33ce05132d1afd90c8f5017afbca8ef1beb05
SHA512846002154a0ece6f3e9feda6f115d3161dc21b3789525dd62ae1d9188495171293efdbe7be4710666dd8a15e66b557315b5a02918a741ed1d5f3ff0c515b98e2
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Filesize
944B
MD583685d101174171875b4a603a6c2a35c
SHA137be24f7c4525e17fa18dbd004186be3a9209017
SHA2560c557845aab1da497bbff0e8fbe65cabf4cb2804b97ba8ae8c695a528af70870
SHA512005a97a8e07b1840abdcef86a7881fd9bdc8acbfdf3eafe1dceb6374060626d81d789e57d87ca4096a39e28d5cca00f8945edff0a747591691ae75873d2b3fb5
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
77KB
MD58032a5e68376a879472c297749cdb4c4
SHA1d6a96c5287f1d76b41f605ecaeb1688d208c720a
SHA256fa3dd88248218cd597232333c70e0996801817b003c234994102452712a23d1d
SHA512b75d6429844e643fc7920efe1d30b15b0e631ded561f5f0021e105a68a729ebf308a23501c9136efbf4637bb068dba5c0056ff85195cd54d56e05205193d6c21