Analysis
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max time kernel
149s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
03-10-2022 09:01
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/4488-145-0x0000000000400000-0x000000000041A000-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-1-5-21-2295526160-1155304984-640977766-1000\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-1-5-21-2295526160-1155304984-640977766-1000\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 4416 set thread context of 4488 4416 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 1460 powershell.exe 1460 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.exeCIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.exedescription pid process Token: SeDebugPrivilege 1460 powershell.exe Token: SeDebugPrivilege 4416 CIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
CIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.exedescription pid process target process PID 4416 wrote to memory of 1460 4416 CIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.exe powershell.exe PID 4416 wrote to memory of 1460 4416 CIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.exe powershell.exe PID 4416 wrote to memory of 1460 4416 CIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.exe powershell.exe PID 4416 wrote to memory of 4488 4416 CIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.exe InstallUtil.exe PID 4416 wrote to memory of 4488 4416 CIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.exe InstallUtil.exe PID 4416 wrote to memory of 4488 4416 CIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.exe InstallUtil.exe PID 4416 wrote to memory of 4488 4416 CIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.exe InstallUtil.exe PID 4416 wrote to memory of 4488 4416 CIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.exe InstallUtil.exe PID 4416 wrote to memory of 4488 4416 CIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.exe InstallUtil.exe PID 4416 wrote to memory of 4488 4416 CIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.exe InstallUtil.exe PID 4416 wrote to memory of 4488 4416 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⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/1460-138-0x00000000061F0000-0x0000000006256000-memory.dmpFilesize
408KB
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memory/1460-140-0x0000000008090000-0x000000000870A000-memory.dmpFilesize
6.5MB
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memory/1460-134-0x0000000000000000-mapping.dmp
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memory/1460-135-0x0000000002F10000-0x0000000002F46000-memory.dmpFilesize
216KB
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memory/1460-136-0x0000000005B10000-0x0000000006138000-memory.dmpFilesize
6.2MB
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memory/1460-137-0x0000000005A80000-0x0000000005AE6000-memory.dmpFilesize
408KB
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memory/1460-139-0x0000000006830000-0x000000000684E000-memory.dmpFilesize
120KB
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memory/1460-141-0x0000000006D20000-0x0000000006D3A000-memory.dmpFilesize
104KB
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memory/4416-142-0x0000000006810000-0x0000000006DB4000-memory.dmpFilesize
5.6MB
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memory/4416-132-0x0000000000440000-0x00000000005C2000-memory.dmpFilesize
1.5MB
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memory/4416-133-0x0000000005130000-0x0000000005152000-memory.dmpFilesize
136KB
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memory/4416-143-0x00000000056F0000-0x0000000005782000-memory.dmpFilesize
584KB
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memory/4488-144-0x0000000000000000-mapping.dmp
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memory/4488-145-0x0000000000400000-0x000000000041A000-memory.dmpFilesize
104KB