Resubmissions
18-07-2022 04:43
220718-fb83wshde2 10Analysis
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max time kernel
148s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
resource tags
arch:x64arch:x86image:win10v2004-20220414-enlocale:en-usos:windows10-2004-x64system -
submitted
18-07-2022 04:43
Static task
static1
Behavioral task
behavioral1
Sample
DENUNCIA VIRTUAL POR FALSIFICACION DE DOCUMENTO.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
DENUNCIA VIRTUAL POR FALSIFICACION DE DOCUMENTO.exe
Resource
win10v2004-20220414-en
General
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Target
DENUNCIA VIRTUAL POR FALSIFICACION DE DOCUMENTO.exe
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Size
1.0MB
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MD5
ce3b7aa9c9a07f2984bbb0a9b7b61795
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SHA1
b39c6e1dd11b6ccdc22b7abb52da500cc9fc72fb
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SHA256
87398ef6fa3c85bd773c758ed402c502700dda814f3077841a44963e89067840
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SHA512
9b5a2ec57eae2ea6edad8b855a73cd1fb7b2d8e1c9f963ff91649e2f5d64c97081996779f2cfd3f7bcf5bbb4275e3e192fa0453d22eb1758a2c6bd4014b96a01
Malware Config
Extracted
bitrat
1.38
iuhnkiuygbf.con-ip.com:1880
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communication_password
202cb962ac59075b964b07152d234b70
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tor_process
tor
Signatures
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Processes:
resource yara_rule behavioral2/memory/3172-141-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral2/memory/3172-142-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral2/memory/3172-143-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral2/memory/3172-144-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral2/memory/3172-145-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral2/memory/3172-148-0x0000000000400000-0x00000000007E4000-memory.dmp upx -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
DENUNCIA VIRTUAL POR FALSIFICACION DE DOCUMENTO.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation DENUNCIA VIRTUAL POR FALSIFICACION DE DOCUMENTO.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
DENUNCIA VIRTUAL POR FALSIFICACION DE DOCUMENTO.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Ccxxegmd = "\"C:\\Users\\Admin\\AppData\\Roaming\\Duwsn\\Ccxxegmd.exe\"" DENUNCIA VIRTUAL POR FALSIFICACION DE DOCUMENTO.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
Processes:
InstallUtil.exepid process 3172 InstallUtil.exe 3172 InstallUtil.exe 3172 InstallUtil.exe 3172 InstallUtil.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
DENUNCIA VIRTUAL POR FALSIFICACION DE DOCUMENTO.exedescription pid process target process PID 1092 set thread context of 3172 1092 DENUNCIA VIRTUAL POR FALSIFICACION DE DOCUMENTO.exe InstallUtil.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
powershell.exeDENUNCIA VIRTUAL POR FALSIFICACION DE DOCUMENTO.exepid process 2884 powershell.exe 2884 powershell.exe 1092 DENUNCIA VIRTUAL POR FALSIFICACION DE DOCUMENTO.exe 1092 DENUNCIA VIRTUAL POR FALSIFICACION DE DOCUMENTO.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
DENUNCIA VIRTUAL POR FALSIFICACION DE DOCUMENTO.exepowershell.exeInstallUtil.exedescription pid process Token: SeDebugPrivilege 1092 DENUNCIA VIRTUAL POR FALSIFICACION DE DOCUMENTO.exe Token: SeDebugPrivilege 2884 powershell.exe Token: SeShutdownPrivilege 3172 InstallUtil.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
InstallUtil.exepid process 3172 InstallUtil.exe 3172 InstallUtil.exe -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
DENUNCIA VIRTUAL POR FALSIFICACION DE DOCUMENTO.exedescription pid process target process PID 1092 wrote to memory of 2884 1092 DENUNCIA VIRTUAL POR FALSIFICACION DE DOCUMENTO.exe powershell.exe PID 1092 wrote to memory of 2884 1092 DENUNCIA VIRTUAL POR FALSIFICACION DE DOCUMENTO.exe powershell.exe PID 1092 wrote to memory of 2884 1092 DENUNCIA VIRTUAL POR FALSIFICACION DE DOCUMENTO.exe powershell.exe PID 1092 wrote to memory of 3172 1092 DENUNCIA VIRTUAL POR FALSIFICACION DE DOCUMENTO.exe InstallUtil.exe PID 1092 wrote to memory of 3172 1092 DENUNCIA VIRTUAL POR FALSIFICACION DE DOCUMENTO.exe InstallUtil.exe PID 1092 wrote to memory of 3172 1092 DENUNCIA VIRTUAL POR FALSIFICACION DE DOCUMENTO.exe InstallUtil.exe PID 1092 wrote to memory of 3172 1092 DENUNCIA VIRTUAL POR FALSIFICACION DE DOCUMENTO.exe InstallUtil.exe PID 1092 wrote to memory of 3172 1092 DENUNCIA VIRTUAL POR FALSIFICACION DE DOCUMENTO.exe InstallUtil.exe PID 1092 wrote to memory of 3172 1092 DENUNCIA VIRTUAL POR FALSIFICACION DE DOCUMENTO.exe InstallUtil.exe PID 1092 wrote to memory of 3172 1092 DENUNCIA VIRTUAL POR FALSIFICACION DE DOCUMENTO.exe InstallUtil.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\DENUNCIA VIRTUAL POR FALSIFICACION DE DOCUMENTO.exe"C:\Users\Admin\AppData\Local\Temp\DENUNCIA VIRTUAL POR FALSIFICACION DE DOCUMENTO.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1092 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMgAwAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2884 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3172