Analysis
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max time kernel
150s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
02-10-2022 09:26
Static task
static1
Behavioral task
behavioral1
Sample
DOCUMENTO REMISORIO PARA VALIDAR.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
DOCUMENTO REMISORIO PARA VALIDAR.exe
Resource
win10v2004-20220901-en
General
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Target
DOCUMENTO REMISORIO PARA VALIDAR.exe
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Size
5.1MB
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MD5
494ac754c467b6a3b3fc99a0d6c015b5
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SHA1
a441b8fb0463c09dd2fede4427280a47bab7ce64
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SHA256
4de2cc756df96a38b545b8ca2d3961878b08fe4439c102c339c2fc16596c5423
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SHA512
5bf91836bf410bdd654dceb53bd7011b3211620606096a0bea0c89c96ea2195f7bd8c98a1b83b35a984e75a90059e59eb8493c2cc75ee99370d1c1bb1b62191b
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SSDEEP
24576:h1kp8QPf2T4+eDjwnEPI+rfb0jq38SkUYvSmbMKVaUBXehOEAhqzuq5mbjNnYQbQ:LM1O7n7u69cZ4Sxc0+T5XY
Malware Config
Extracted
bitrat
1.38
bendicion777.con-ip.com:7777
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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/3588-145-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral2/memory/3588-146-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral2/memory/3588-147-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral2/memory/3588-149-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral2/memory/3588-152-0x0000000000400000-0x00000000007E4000-memory.dmp upx -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
DOCUMENTO REMISORIO PARA VALIDAR.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation DOCUMENTO REMISORIO PARA VALIDAR.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
DOCUMENTO REMISORIO PARA VALIDAR.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\chrome = "\"C:\\Users\\Admin\\AppData\\Roaming\\Ztdiqzaou\\chrome.exe\"" DOCUMENTO REMISORIO PARA VALIDAR.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
Processes:
InstallUtil.exepid process 3588 InstallUtil.exe 3588 InstallUtil.exe 3588 InstallUtil.exe 3588 InstallUtil.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
DOCUMENTO REMISORIO PARA VALIDAR.exedescription pid process target process PID 1804 set thread context of 3588 1804 DOCUMENTO REMISORIO PARA VALIDAR.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 6 IoCs
Processes:
powershell.exeDOCUMENTO REMISORIO PARA VALIDAR.exepid process 4600 powershell.exe 4600 powershell.exe 1804 DOCUMENTO REMISORIO PARA VALIDAR.exe 1804 DOCUMENTO REMISORIO PARA VALIDAR.exe 1804 DOCUMENTO REMISORIO PARA VALIDAR.exe 1804 DOCUMENTO REMISORIO PARA VALIDAR.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
powershell.exeDOCUMENTO REMISORIO PARA VALIDAR.exeInstallUtil.exedescription pid process Token: SeDebugPrivilege 4600 powershell.exe Token: SeDebugPrivilege 1804 DOCUMENTO REMISORIO PARA VALIDAR.exe Token: SeShutdownPrivilege 3588 InstallUtil.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
InstallUtil.exepid process 3588 InstallUtil.exe 3588 InstallUtil.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
DOCUMENTO REMISORIO PARA VALIDAR.exedescription pid process target process PID 1804 wrote to memory of 4600 1804 DOCUMENTO REMISORIO PARA VALIDAR.exe powershell.exe PID 1804 wrote to memory of 4600 1804 DOCUMENTO REMISORIO PARA VALIDAR.exe powershell.exe PID 1804 wrote to memory of 4600 1804 DOCUMENTO REMISORIO PARA VALIDAR.exe powershell.exe PID 1804 wrote to memory of 4896 1804 DOCUMENTO REMISORIO PARA VALIDAR.exe InstallUtil.exe PID 1804 wrote to memory of 4896 1804 DOCUMENTO REMISORIO PARA VALIDAR.exe InstallUtil.exe PID 1804 wrote to memory of 4896 1804 DOCUMENTO REMISORIO PARA VALIDAR.exe InstallUtil.exe PID 1804 wrote to memory of 1064 1804 DOCUMENTO REMISORIO PARA VALIDAR.exe InstallUtil.exe PID 1804 wrote to memory of 1064 1804 DOCUMENTO REMISORIO PARA VALIDAR.exe InstallUtil.exe PID 1804 wrote to memory of 1064 1804 DOCUMENTO REMISORIO PARA VALIDAR.exe InstallUtil.exe PID 1804 wrote to memory of 3588 1804 DOCUMENTO REMISORIO PARA VALIDAR.exe InstallUtil.exe PID 1804 wrote to memory of 3588 1804 DOCUMENTO REMISORIO PARA VALIDAR.exe InstallUtil.exe PID 1804 wrote to memory of 3588 1804 DOCUMENTO REMISORIO PARA VALIDAR.exe InstallUtil.exe PID 1804 wrote to memory of 3588 1804 DOCUMENTO REMISORIO PARA VALIDAR.exe InstallUtil.exe PID 1804 wrote to memory of 3588 1804 DOCUMENTO REMISORIO PARA VALIDAR.exe InstallUtil.exe PID 1804 wrote to memory of 3588 1804 DOCUMENTO REMISORIO PARA VALIDAR.exe InstallUtil.exe PID 1804 wrote to memory of 3588 1804 DOCUMENTO REMISORIO PARA VALIDAR.exe InstallUtil.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\DOCUMENTO REMISORIO PARA VALIDAR.exe"C:\Users\Admin\AppData\Local\Temp\DOCUMENTO REMISORIO PARA VALIDAR.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:1804 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQAwAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4600 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe2⤵PID:4896
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe2⤵PID:1064
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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:3588