asyncrat | afaed2a9b59964e7fcf1bcfdf4f1dcb0ac299875c27c0e699277d5326340bdb3

General

Target

CIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.exe
Size

1.5MB
MD5

bed6117693dadb458cf4686b87a7e753
SHA1

b8f242faa45a641e2b1fa4237abb3d9f12e680b3
SHA256

afaed2a9b59964e7fcf1bcfdf4f1dcb0ac299875c27c0e699277d5326340bdb3
SHA512

b2370de67e8cc280de94b274fb3ed4fb960fe9ba45d5aa820adb1a806a0ee37a0d7ee1e1c8debd3f62c210197ffefec47e2640fcbe00fdac5d302dae2138b7a3
SSDEEP

49152:UIliPPEPPPPPPPPPAPPPPPPPPPPPPPPPPoPPPPPPPPPPPPPPPPPPuPPPPPPPPPPI:Jlk4

Score

10^/10

asyncrat persistence rat

Malware Config

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers.
rat asyncrat

Async RAT payload 6 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1588-66-0x0000000000400000-0x000000000041A000-memory.dmp	asyncrat
behavioral1/memory/1588-67-0x0000000000400000-0x000000000041A000-memory.dmp	asyncrat
behavioral1/memory/1588-68-0x0000000000400000-0x000000000041A000-memory.dmp	asyncrat
behavioral1/memory/1588-69-0x000000000041472E-mapping.dmp	asyncrat
behavioral1/memory/1588-71-0x0000000000400000-0x000000000041A000-memory.dmp	asyncrat
behavioral1/memory/1588-73-0x0000000000400000-0x000000000041A000-memory.dmp	asyncrat

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

CIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\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.exe

description	pid	process	target process
PID 1408 set thread context of 1588	1408	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.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

powershell.exe

pid process

1088 powershell.exe

pid	process
1088	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exeCIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.exeInstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	1088	powershell.exe
Token: SeDebugPrivilege	1408	CIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.exe
Token: SeDebugPrivilege	1588	InstallUtil.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

CIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.exe

description	pid	process	target process
PID 1408 wrote to memory of 1088	1408	CIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.exe	powershell.exe
PID 1408 wrote to memory of 1088	1408	CIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.exe	powershell.exe
PID 1408 wrote to memory of 1088	1408	CIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.exe	powershell.exe
PID 1408 wrote to memory of 1088	1408	CIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.exe	powershell.exe
PID 1408 wrote to memory of 1588	1408	CIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.exe	InstallUtil.exe
PID 1408 wrote to memory of 1588	1408	CIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.exe	InstallUtil.exe
PID 1408 wrote to memory of 1588	1408	CIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.exe	InstallUtil.exe
PID 1408 wrote to memory of 1588	1408	CIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.exe	InstallUtil.exe
PID 1408 wrote to memory of 1588	1408	CIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.exe	InstallUtil.exe
PID 1408 wrote to memory of 1588	1408	CIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.exe	InstallUtil.exe
PID 1408 wrote to memory of 1588	1408	CIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.exe	InstallUtil.exe
PID 1408 wrote to memory of 1588	1408	CIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.exe	InstallUtil.exe
PID 1408 wrote to memory of 1588	1408	CIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.exe	InstallUtil.exe
PID 1408 wrote to memory of 1588	1408	CIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.exe	InstallUtil.exe
PID 1408 wrote to memory of 1588	1408	CIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.exe	InstallUtil.exe
PID 1408 wrote to memory of 1588	1408	CIRCULAR PROCESO REQUERIMIENTO BBVA #20012452 CODIGO DE VERIFICACION 8005241561ff1565465a4564164654d.exe	InstallUtil.exe

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⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1408

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
PID:1088

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1588

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1088-58-0x0000000000000000-mapping.dmp

Download
memory/1088-60-0x000000006F470000-0x000000006FA1B000-memory.dmp

Filesize
5.7MB

Download
memory/1088-61-0x000000006F470000-0x000000006FA1B000-memory.dmp

Filesize
5.7MB

Download
memory/1088-62-0x000000006F470000-0x000000006FA1B000-memory.dmp

Filesize
5.7MB

Download
memory/1408-54-0x00000000000D0000-0x0000000000252000-memory.dmp

Filesize
1.5MB

Download
memory/1408-55-0x0000000002080000-0x0000000002128000-memory.dmp

Filesize
672KB

Download
memory/1408-56-0x00000000750A1000-0x00000000750A3000-memory.dmp

Filesize
8KB

Download
memory/1408-57-0x00000000047C0000-0x0000000004852000-memory.dmp

Filesize
584KB

Download
memory/1588-63-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1588-64-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1588-66-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1588-67-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1588-68-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1588-69-0x000000000041472E-mapping.dmp

Download
memory/1588-71-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1588-73-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1588-75-0x0000000000420000-0x000000000042A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads