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Analysis
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max time kernel
149s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
05/09/2024, 01:07
Static task
static1
Behavioral task
behavioral1
Sample
c9IDU7463.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
c9IDU7463.exe
Resource
win10v2004-20240802-en
General
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Target
c9IDU7463.exe
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Size
971KB
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MD5
26efc684ddd0782b295a6ee4a76e3256
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SHA1
08cc73ef5c1b02e09765181a5acee1a7018dcffc
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SHA256
bf832f28b8d9f2ff077f691bd7e8a2cf46f3a4ac0ee8ee2d2f2944089abd20ab
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SHA512
20ba9e73514148613943db974cf88874907f9fe19e1cf5d81d9bf83ffbd233be80e925c62a5430a7ef69099e603ae54d60680020e0de58e632897f8c4aecfb49
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SSDEEP
24576:5tVd1nnqxDvo1QtHCX1LcsRt0ni/V27INjQL:5tVDnquatHCX1Lcs422kpQL
Malware Config
Extracted
xworm
127.0.0.1:7000
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Install_directory
%AppData%
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install_file
USB.exe
Signatures
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Detect Xworm Payload 2 IoCs
resource yara_rule behavioral2/files/0x00090000000234db-68.dat family_xworm behavioral2/memory/2716-75-0x00000000003A0000-0x00000000003C2000-memory.dmp family_xworm -
Command and Scripting Interpreter: PowerShell 1 TTPs 6 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 2836 powershell.exe 4932 powershell.exe 4896 powershell.exe 1928 powershell.exe 1204 powershell.exe 1996 powershell.exe -
Checks computer location settings 2 TTPs 4 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation c9IDU7463.exe Key value queried \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation Client Server Runtime Process.exe Key value queried \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation Windows Security.exe Key value queried \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation Windows Security Notification.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\malware builder.lnk Windows Security Notification.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\malware builder.lnk Windows Security Notification.exe -
Executes dropped EXE 5 IoCs
pid Process 4680 Client Server Runtime Process.exe 4652 Windows Security.exe 2716 Windows Security Notification.exe 2016 malware builder 1700 malware builder -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\malware builder = "C:\\Users\\Admin\\AppData\\Roaming\\malware builder" Windows Security Notification.exe -
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 3 ip-api.com -
Obfuscated Files or Information: Command Obfuscation 1 TTPs
Adversaries may obfuscate content during command execution to impede detection.
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Drops file in System32 directory 2 IoCs
description ioc Process File opened for modification C:\Windows\System32\Client Server Runtime Process.exe c9IDU7463.exe File created C:\Windows\System32\Client Server Runtime Process.exe c9IDU7463.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Delays execution with timeout.exe 1 IoCs
pid Process 2764 timeout.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 4468 schtasks.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2716 Windows Security Notification.exe -
Suspicious behavior: EnumeratesProcesses 48 IoCs
pid Process 1048 c9IDU7463.exe 1048 c9IDU7463.exe 1048 c9IDU7463.exe 1048 c9IDU7463.exe 1048 c9IDU7463.exe 1048 c9IDU7463.exe 1048 c9IDU7463.exe 1048 c9IDU7463.exe 1048 c9IDU7463.exe 1048 c9IDU7463.exe 1048 c9IDU7463.exe 1048 c9IDU7463.exe 1048 c9IDU7463.exe 1048 c9IDU7463.exe 1048 c9IDU7463.exe 1048 c9IDU7463.exe 1048 c9IDU7463.exe 1048 c9IDU7463.exe 1048 c9IDU7463.exe 1048 c9IDU7463.exe 1048 c9IDU7463.exe 1048 c9IDU7463.exe 1048 c9IDU7463.exe 1048 c9IDU7463.exe 1048 c9IDU7463.exe 1204 powershell.exe 1204 powershell.exe 1996 powershell.exe 1996 powershell.exe 4432 powershell.exe 4432 powershell.exe 4432 powershell.exe 2508 powershell.exe 2508 powershell.exe 2508 powershell.exe 2836 powershell.exe 2836 powershell.exe 2836 powershell.exe 4932 powershell.exe 4932 powershell.exe 4932 powershell.exe 4896 powershell.exe 4896 powershell.exe 4896 powershell.exe 1928 powershell.exe 1928 powershell.exe 1928 powershell.exe 2716 Windows Security Notification.exe -
Suspicious use of AdjustPrivilegeToken 18 IoCs
description pid Process Token: SeDebugPrivilege 1048 c9IDU7463.exe Token: SeBackupPrivilege 1684 vssvc.exe Token: SeRestorePrivilege 1684 vssvc.exe Token: SeAuditPrivilege 1684 vssvc.exe Token: SeDebugPrivilege 1204 powershell.exe Token: SeDebugPrivilege 1996 powershell.exe Token: SeDebugPrivilege 4680 Client Server Runtime Process.exe Token: SeDebugPrivilege 4680 Client Server Runtime Process.exe Token: SeDebugPrivilege 4432 powershell.exe Token: SeDebugPrivilege 2716 Windows Security Notification.exe Token: SeDebugPrivilege 2508 powershell.exe Token: SeDebugPrivilege 2836 powershell.exe Token: SeDebugPrivilege 4932 powershell.exe Token: SeDebugPrivilege 4896 powershell.exe Token: SeDebugPrivilege 1928 powershell.exe Token: SeDebugPrivilege 2716 Windows Security Notification.exe Token: SeDebugPrivilege 2016 malware builder Token: SeDebugPrivilege 1700 malware builder -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2716 Windows Security Notification.exe -
Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 1048 wrote to memory of 1204 1048 c9IDU7463.exe 90 PID 1048 wrote to memory of 1204 1048 c9IDU7463.exe 90 PID 1048 wrote to memory of 1996 1048 c9IDU7463.exe 92 PID 1048 wrote to memory of 1996 1048 c9IDU7463.exe 92 PID 1048 wrote to memory of 3056 1048 c9IDU7463.exe 98 PID 1048 wrote to memory of 3056 1048 c9IDU7463.exe 98 PID 3056 wrote to memory of 2764 3056 cmd.exe 100 PID 3056 wrote to memory of 2764 3056 cmd.exe 100 PID 4680 wrote to memory of 4432 4680 Client Server Runtime Process.exe 101 PID 4680 wrote to memory of 4432 4680 Client Server Runtime Process.exe 101 PID 4680 wrote to memory of 4652 4680 Client Server Runtime Process.exe 103 PID 4680 wrote to memory of 4652 4680 Client Server Runtime Process.exe 103 PID 4652 wrote to memory of 2508 4652 Windows Security.exe 105 PID 4652 wrote to memory of 2508 4652 Windows Security.exe 105 PID 4652 wrote to memory of 2716 4652 Windows Security.exe 107 PID 4652 wrote to memory of 2716 4652 Windows Security.exe 107 PID 2716 wrote to memory of 2836 2716 Windows Security Notification.exe 110 PID 2716 wrote to memory of 2836 2716 Windows Security Notification.exe 110 PID 2716 wrote to memory of 4932 2716 Windows Security Notification.exe 112 PID 2716 wrote to memory of 4932 2716 Windows Security Notification.exe 112 PID 2716 wrote to memory of 4896 2716 Windows Security Notification.exe 114 PID 2716 wrote to memory of 4896 2716 Windows Security Notification.exe 114 PID 2716 wrote to memory of 1928 2716 Windows Security Notification.exe 116 PID 2716 wrote to memory of 1928 2716 Windows Security Notification.exe 116 PID 2716 wrote to memory of 4468 2716 Windows Security Notification.exe 118 PID 2716 wrote to memory of 4468 2716 Windows Security Notification.exe 118 -
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.
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Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\c9IDU7463.exe"C:\Users\Admin\AppData\Local\Temp\c9IDU7463.exe"1⤵
- Checks computer location settings
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1048 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Windows\System32\Client Server Runtime Process.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1204
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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 'Client Server Runtime Process.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1996
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpCF27.tmp.bat""2⤵
- Suspicious use of WriteProcessMemory
PID:3056 -
C:\Windows\system32\timeout.exetimeout 33⤵
- Delays execution with timeout.exe
PID:2764
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1684
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C:\Windows\System32\Client Server Runtime Process.exe"C:\Windows\System32\Client Server Runtime Process.exe"1⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4680 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "PAAjAG4AZwB0ACMAPgBBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAAPAAjAGkAeABoACMAPgAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEAAKAAkAGUAbgB2ADoAVQBzAGUAcgBQAHIAbwBmAGkAbABlACwAJABlAG4AdgA6AFMAeQBzAHQAZQBtAEQAcgBpAHYAZQApACAAPAAjAGQAdQBmACMAPgAgAC0ARgBvAHIAYwBlACAAPAAjAGoAYgBqACMAPgA="2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4432
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C:\Users\Admin\AppData\Local\Temp\Windows Security.exe"C:\Users\Admin\AppData\Local\Temp\Windows Security.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4652 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "PAAjAHYAZQBuACMAPgBBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAAPAAjAHEAdQB3ACMAPgAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEAAKAAkAGUAbgB2ADoAVQBzAGUAcgBQAHIAbwBmAGkAbABlACwAJABlAG4AdgA6AFMAeQBzAHQAZQBtAEQAcgBpAHYAZQApACAAPAAjAGUAegB4ACMAPgAgAC0ARgBvAHIAYwBlACAAPAAjAGMAdQBuACMAPgA="3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2508
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C:\Users\Admin\AppData\Local\Temp\Windows Security Notification.exe"C:\Users\Admin\AppData\Local\Temp\Windows Security Notification.exe"3⤵
- Checks computer location settings
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2716 -
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\Windows Security Notification.exe'4⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2836
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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 'Windows Security Notification.exe'4⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4932
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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\malware builder'4⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4896
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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 'malware builder'4⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1928
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "malware builder" /tr "C:\Users\Admin\AppData\Roaming\malware builder"4⤵
- Scheduled Task/Job: Scheduled Task
PID:4468
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C:\Users\Admin\AppData\Roaming\malware builder"C:\Users\Admin\AppData\Roaming\malware builder"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2016
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C:\Users\Admin\AppData\Roaming\malware builder"C:\Users\Admin\AppData\Roaming\malware builder"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1700
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
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
654B
MD52ff39f6c7249774be85fd60a8f9a245e
SHA1684ff36b31aedc1e587c8496c02722c6698c1c4e
SHA256e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced
SHA5121d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1
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Filesize
2KB
MD5d85ba6ff808d9e5444a4b369f5bc2730
SHA131aa9d96590fff6981b315e0b391b575e4c0804a
SHA25684739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
SHA5128c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
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Filesize
944B
MD5a2c8179aaa149c0b9791b73ce44c04d1
SHA1703361b0d43ec7f669304e7c0ffbbfdeb1e484ff
SHA256c1d30342a40a2b6e7553da30ceb85754d33820f6fbb3bbbed1ceb30d6390de4a
SHA5122e201dd457d055baad86f68c15bcc7beb48d6dc2ffc10db7f304eb93f697e7b45991cbde857d25da2c9c60c23f3e13df8b5ed5809c1753737a23096e296cc9e3
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Filesize
944B
MD51db603eb97fe7f53cec494c6bda708fa
SHA162eae65be71e756be720c83d846a0ec6cc4a7da6
SHA256b1381bb40f4d49928f025366439d38f18a0683ee0e100a5fc38ad22639bfdf4c
SHA51213d8cfc5eacc9e7ad5761614472dc7d1d1108be3dd2e1a036ec2d64be35b44480365a040c506bbf5a3b93cfdb3a25a7b9376f6771dd79d0d8eeea8abe98a98b4
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Filesize
944B
MD5d28a889fd956d5cb3accfbaf1143eb6f
SHA1157ba54b365341f8ff06707d996b3635da8446f7
SHA25621e5d7ccf80a293e6ba30ed728846ca19c929c52b96e2c8d34e27cd2234f1d45
SHA5120b6d88deb9be85722e6a78d5886d49f2caf407a59e128d2b4ed74c1356f9928c40048a62731959f2460e9ff9d9feee311043d2a37abe3bb92c2b76a44281478c
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Filesize
944B
MD5eb1ad317bd25b55b2bbdce8a28a74a94
SHA198a3978be4d10d62e7411946474579ee5bdc5ea6
SHA2569e94e7c9ac6134ee30e79498558aa1a5a1ac79a643666c3f8922eed215dd3a98
SHA512d011f266c0240d84470c0f9577cd9e4927309bd19bb38570ca9704ed8e1d159f9bea982a59d3eefef72ce7a10bd81208b82e88ef57c7af587f7437a89769adc0
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Filesize
836B
MD513b2f0699e4911fe4cb3517be2ad4999
SHA160dbf6512eade5a8ecea1138411529ceba687db3
SHA256a4d082bd41dad67407f030e3c93aeab8ae8e4dfb8be1aeecc0a2479f0363b26f
SHA5127b2074928e4d41c9ab5525a5d72df77484bdeac711d4cf4e7281a1c108772f19df9e8d95ff70d7fc43e97887550fbd7cd40cef17c6e42ccb15642ad394fce90f
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Filesize
944B
MD5d8cb3e9459807e35f02130fad3f9860d
SHA15af7f32cb8a30e850892b15e9164030a041f4bd6
SHA2562b139c74072ccbdaa17b950f32a6dbc934dfb7af9973d97c9b0d9c498012ba68
SHA512045239ba31367fbdd59e883f74eafc05724e23bd6e8f0c1e7171ea2496a497eb9e0cfcb57285bb81c4d569daadba43d6ef64c626ca48f1e2a59e8d97f0cc9184
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Filesize
114KB
MD5d59bcf447ab9a90d1c6e9701d85d5700
SHA1c7eff0f1d56e71a601cff1e161879ea520886a32
SHA25650738407f70e37470182a0da6b44e78eb9cd2be3f7c43e066ea85f92388c79ae
SHA5124a33de1700a6740c354d79b6e2f706dbc924805b6c8aae03d68cf17427e52a58e65a177622266f4d4e9d0d0904d8ab7a55af2576d555bcc5868b9084730e7180
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Filesize
164KB
MD59efb0ca4f150666bedbc6ef91e0e6f4b
SHA113b140227e709d3a534d4158111c9256b14474b3
SHA2565ff4fc5985d8d9877dd5b4abe081ee91681b187e99a466b802a8795fd9e500ab
SHA5127e16155776a1431eda8da3b2fe134b52863c0917170dc64ded710c5133705a0c019c930f696d5972a0a63270f59900cfca4b776631c0b5442c62696db4f7ca36
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
161B
MD51cfabdec39a6a3a3a7bc855b37144fe1
SHA1979896a5f8e943f13cb56f818233022a9912c9e0
SHA256fa9ad2519568263100f7b0784a79b8e3e7b69f6140b5b3c84545abeb870ff47f
SHA512aa5eb33b5225ec742997d06c301cd70f063879b153ec99b0f94190c30e93808399d22b7a6787d9d94251039bda6698c89f994143abe2c1351569551d5728eece
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Filesize
971KB
MD526efc684ddd0782b295a6ee4a76e3256
SHA108cc73ef5c1b02e09765181a5acee1a7018dcffc
SHA256bf832f28b8d9f2ff077f691bd7e8a2cf46f3a4ac0ee8ee2d2f2944089abd20ab
SHA51220ba9e73514148613943db974cf88874907f9fe19e1cf5d81d9bf83ffbd233be80e925c62a5430a7ef69099e603ae54d60680020e0de58e632897f8c4aecfb49