Analysis
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max time kernel
103s -
max time network
117s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
03-11-2024 00:09
Static task
static1
Behavioral task
behavioral1
Sample
18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.exe
Resource
win7-20240903-en
General
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Target
18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.exe
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Size
564KB
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MD5
31e2c53b5bf4d2dbb52412efbfc8bf00
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SHA1
4cd7735b817535352add043aae894473976af918
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SHA256
18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7b
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SHA512
76acdfab2ff25ec3d52ab30357c55d35977af12057363638e1da614dc8584c4282482e7bad37620894c4349ef921947f34fb44b53531b5c5deea57aa1056ca76
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SSDEEP
12288:2AYaDPw1Qk89Tmyd+rCiw9DWTXnrCCcVXVz4klvTkR:2+Lw9gTFoQKLVcJ4klO
Malware Config
Extracted
xworm
3.1
aye2mar280502016.ddns.net:4030
6Ramn2bVtVXcTWn8
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Install_directory
%AppData%
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install_file
USB.exe
Signatures
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Detect Xworm Payload 1 IoCs
resource yara_rule behavioral2/memory/1032-11-0x0000000000400000-0x0000000000410000-memory.dmp family_xworm -
Xworm family
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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.
pid Process 3472 powershell.exe 1396 powershell.exe 1916 powershell.exe 4368 powershell.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation 18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.exe Key value queried \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation 18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.lnk 18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.lnk 18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4360 set thread context of 1032 4360 18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.exe 101 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 6 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
Suspicious behavior: EnumeratesProcesses 21 IoCs
pid Process 4360 18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.exe 4360 18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.exe 4360 18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.exe 4360 18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.exe 4360 18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.exe 4360 18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.exe 4360 18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.exe 4360 18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.exe 4360 18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.exe 4360 18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.exe 4360 18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.exe 4360 18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.exe 1916 powershell.exe 1916 powershell.exe 4368 powershell.exe 4368 powershell.exe 3472 powershell.exe 3472 powershell.exe 1396 powershell.exe 1396 powershell.exe 1032 18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 4360 18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.exe Token: SeDebugPrivilege 1032 18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.exe Token: SeDebugPrivilege 1916 powershell.exe Token: SeDebugPrivilege 4368 powershell.exe Token: SeDebugPrivilege 3472 powershell.exe Token: SeDebugPrivilege 1396 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1032 18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.exe -
Suspicious use of WriteProcessMemory 23 IoCs
description pid Process procid_target PID 4360 wrote to memory of 1916 4360 18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.exe 98 PID 4360 wrote to memory of 1916 4360 18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.exe 98 PID 4360 wrote to memory of 1916 4360 18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.exe 98 PID 4360 wrote to memory of 1876 4360 18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.exe 100 PID 4360 wrote to memory of 1876 4360 18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.exe 100 PID 4360 wrote to memory of 1876 4360 18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.exe 100 PID 4360 wrote to memory of 1032 4360 18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.exe 101 PID 4360 wrote to memory of 1032 4360 18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.exe 101 PID 4360 wrote to memory of 1032 4360 18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.exe 101 PID 4360 wrote to memory of 1032 4360 18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.exe 101 PID 4360 wrote to memory of 1032 4360 18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.exe 101 PID 4360 wrote to memory of 1032 4360 18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.exe 101 PID 4360 wrote to memory of 1032 4360 18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.exe 101 PID 4360 wrote to memory of 1032 4360 18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.exe 101 PID 1032 wrote to memory of 4368 1032 18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.exe 104 PID 1032 wrote to memory of 4368 1032 18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.exe 104 PID 1032 wrote to memory of 4368 1032 18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.exe 104 PID 1032 wrote to memory of 3472 1032 18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.exe 107 PID 1032 wrote to memory of 3472 1032 18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.exe 107 PID 1032 wrote to memory of 3472 1032 18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.exe 107 PID 1032 wrote to memory of 1396 1032 18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.exe 110 PID 1032 wrote to memory of 1396 1032 18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.exe 110 PID 1032 wrote to memory of 1396 1032 18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.exe 110
Processes
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C:\Users\Admin\AppData\Local\Temp\18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.exe"C:\Users\Admin\AppData\Local\Temp\18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4360 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1916
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C:\Users\Admin\AppData\Local\Temp\18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.exe"C:\Users\Admin\AppData\Local\Temp\18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.exe"2⤵PID:1876
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C:\Users\Admin\AppData\Local\Temp\18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.exe"C:\Users\Admin\AppData\Local\Temp\18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.exe"2⤵
- Checks computer location settings
- Drops startup file
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1032 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4368
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3472
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\18d6cb03aaa51e60509d37c28b01d36cfb9dc27cbf3824a194096756a779cf7bN.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1396
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
18KB
MD5ef0914d5f1798b2957a924de22e0201a
SHA1e2a6f93b3922d89671288218dc4223f0108377b7
SHA25620f95ef5e15d010725971b5609f1a56a6b2948a75dbb1d7b73e64770dba76dec
SHA51236a86d91a438e40544836d3a42a4d48d9d9d1f955f9f15715de5f519284e5c0e8634cb4875d47006fd6970d14d2defd8b8425779bfee919eb7b93ab6b88f2907
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Filesize
18KB
MD57e8d669d9f6a5f767caaebbaa5a3d6bf
SHA1dad6c117d618f544d822b3bde6e8af6e9c49ddbc
SHA256637907c79e60d1c862b0151a0eff8ab46998baf8fee06dd97b3d4796363ec098
SHA51298a87dd2fd40e38e52b608245ea0f54205e43d2720cd796fedf34cac0e5ca5ba75f2759b14fa4633c9a18561cc536b7ca5d97a336a3dcba5b68fb769e68588a7
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82