Analysis
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max time kernel
234s -
max time network
298s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
09-10-2022 05:51
Static task
static1
Behavioral task
behavioral1
Sample
CIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
CIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.exe
Resource
win10v2004-20220812-en
General
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Target
CIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.exe
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Size
1.5MB
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MD5
bed6117693dadb458cf4686b87a7e753
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SHA1
b8f242faa45a641e2b1fa4237abb3d9f12e680b3
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SHA256
afaed2a9b59964e7fcf1bcfdf4f1dcb0ac299875c27c0e699277d5326340bdb3
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SHA512
b2370de67e8cc280de94b274fb3ed4fb960fe9ba45d5aa820adb1a806a0ee37a0d7ee1e1c8debd3f62c210197ffefec47e2640fcbe00fdac5d302dae2138b7a3
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SSDEEP
49152:UIliPPEPPPPPPPPPAPPPPPPPPPPPPPPPPoPPPPPPPPPPPPPPPPPPuPPPPPPPPPPI:Jlk4
Malware Config
Signatures
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Async RAT payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3872-145-0x0000000000400000-0x000000000041A000-memory.dmp asyncrat -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
CIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation CIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
CIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Bzoxcale = "\"C:\\Users\\Admin\\AppData\\Roaming\\Ltqtjva\\Bzoxcale.exe\"" CIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
CIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.exedescription pid process target process PID 2140 set thread context of 3872 2140 CIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.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 2 IoCs
Processes:
powershell.exepid process 5020 powershell.exe 5020 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
powershell.exeCIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.exeInstallUtil.exedescription pid process Token: SeDebugPrivilege 5020 powershell.exe Token: SeDebugPrivilege 2140 CIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.exe Token: SeDebugPrivilege 3872 InstallUtil.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
CIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.exedescription pid process target process PID 2140 wrote to memory of 5020 2140 CIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.exe powershell.exe PID 2140 wrote to memory of 5020 2140 CIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.exe powershell.exe PID 2140 wrote to memory of 5020 2140 CIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.exe powershell.exe PID 2140 wrote to memory of 3872 2140 CIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.exe InstallUtil.exe PID 2140 wrote to memory of 3872 2140 CIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.exe InstallUtil.exe PID 2140 wrote to memory of 3872 2140 CIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.exe InstallUtil.exe PID 2140 wrote to memory of 3872 2140 CIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.exe InstallUtil.exe PID 2140 wrote to memory of 3872 2140 CIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.exe InstallUtil.exe PID 2140 wrote to memory of 3872 2140 CIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.exe InstallUtil.exe PID 2140 wrote to memory of 3872 2140 CIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.exe InstallUtil.exe PID 2140 wrote to memory of 3872 2140 CIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.exe InstallUtil.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\CIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.exe"C:\Users\Admin\AppData\Local\Temp\CIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAANAAwAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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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 AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/2140-142-0x0000000006C70000-0x0000000007214000-memory.dmpFilesize
5.6MB
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memory/2140-133-0x0000000005550000-0x0000000005572000-memory.dmpFilesize
136KB
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memory/2140-143-0x0000000005A20000-0x0000000005AB2000-memory.dmpFilesize
584KB
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memory/2140-132-0x00000000009A0000-0x0000000000B22000-memory.dmpFilesize
1.5MB
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memory/3872-146-0x0000000005890000-0x000000000592C000-memory.dmpFilesize
624KB
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memory/3872-145-0x0000000000400000-0x000000000041A000-memory.dmpFilesize
104KB
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memory/3872-144-0x0000000000000000-mapping.dmp
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memory/5020-138-0x00000000056A0000-0x0000000005706000-memory.dmpFilesize
408KB
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memory/5020-140-0x00000000075C0000-0x0000000007C3A000-memory.dmpFilesize
6.5MB
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memory/5020-141-0x0000000006220000-0x000000000623A000-memory.dmpFilesize
104KB
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memory/5020-139-0x0000000005D30000-0x0000000005D4E000-memory.dmpFilesize
120KB
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memory/5020-137-0x00000000054C0000-0x0000000005526000-memory.dmpFilesize
408KB
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memory/5020-136-0x0000000004E90000-0x00000000054B8000-memory.dmpFilesize
6.2MB
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memory/5020-135-0x0000000004760000-0x0000000004796000-memory.dmpFilesize
216KB
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memory/5020-134-0x0000000000000000-mapping.dmp