asyncrat | 30ee33ad8e67bf9facd607cf62dbd27b46897fa41a00e8d86bfd4e1da7f983fd

General

Target

DOCUMENTO CIRCULAR REQUERIMIENTO BBVA codigo de verificacion_e2bfdf3f12050ff2724b42906e0ffc4da673b5d.exe
Size

1.4MB
MD5

695d1013f3a1dfbb15af1ee33b383af9
SHA1

c19de8b0485786e951b06536ab57a9fd5e19b376
SHA256

30ee33ad8e67bf9facd607cf62dbd27b46897fa41a00e8d86bfd4e1da7f983fd
SHA512

53a4e3820c5619ef0167862c0640252ef91a0f47154a301667df49d6a96191dcdf7edaee08526392ad0c4332c6576120cd63ba38b1c5898cbdc9e3d13466a7c5
SSDEEP

12288:knjoun5ByHnWZQzjFeM6DJOjB9sTTHyS52/cHKS4M6Oq+KDz+2m5wL/ZRros:Kv8nYQb6VOW2EqSWhDz+q

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/756-65-0x0000000000400000-0x000000000041A000-memory.dmp	asyncrat
behavioral1/memory/756-66-0x0000000000400000-0x000000000041A000-memory.dmp	asyncrat
behavioral1/memory/756-67-0x0000000000400000-0x000000000041A000-memory.dmp	asyncrat
behavioral1/memory/756-68-0x000000000041472E-mapping.dmp	asyncrat
behavioral1/memory/756-70-0x0000000000400000-0x000000000041A000-memory.dmp	asyncrat
behavioral1/memory/756-72-0x0000000000400000-0x000000000041A000-memory.dmp	asyncrat

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

DOCUMENTO CIRCULAR REQUERIMIENTO BBVA codigo de verificacion_e2bfdf3f12050ff2724b42906e0ffc4da673b5d.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\Zpasouczo = "\"C:\\Users\\Admin\\AppData\\Roaming\\Oqxuaeyz\\Zpasouczo.exe\""	DOCUMENTO CIRCULAR REQUERIMIENTO BBVA codigo de verificacion_e2bfdf3f12050ff2724b42906e0ffc4da673b5d.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

DOCUMENTO CIRCULAR REQUERIMIENTO BBVA codigo de verificacion_e2bfdf3f12050ff2724b42906e0ffc4da673b5d.exe

description	pid	process	target process
PID 1976 set thread context of 756	1976	DOCUMENTO CIRCULAR REQUERIMIENTO BBVA codigo de verificacion_e2bfdf3f12050ff2724b42906e0ffc4da673b5d.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

1180 powershell.exe

pid	process
1180	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exeDOCUMENTO CIRCULAR REQUERIMIENTO BBVA codigo de verificacion_e2bfdf3f12050ff2724b42906e0ffc4da673b5d.exeInstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	1180	powershell.exe
Token: SeDebugPrivilege	1976	DOCUMENTO CIRCULAR REQUERIMIENTO BBVA codigo de verificacion_e2bfdf3f12050ff2724b42906e0ffc4da673b5d.exe
Token: SeDebugPrivilege	756	InstallUtil.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

DOCUMENTO CIRCULAR REQUERIMIENTO BBVA codigo de verificacion_e2bfdf3f12050ff2724b42906e0ffc4da673b5d.exe

description	pid	process	target process
PID 1976 wrote to memory of 1180	1976	DOCUMENTO CIRCULAR REQUERIMIENTO BBVA codigo de verificacion_e2bfdf3f12050ff2724b42906e0ffc4da673b5d.exe	powershell.exe
PID 1976 wrote to memory of 1180	1976	DOCUMENTO CIRCULAR REQUERIMIENTO BBVA codigo de verificacion_e2bfdf3f12050ff2724b42906e0ffc4da673b5d.exe	powershell.exe
PID 1976 wrote to memory of 1180	1976	DOCUMENTO CIRCULAR REQUERIMIENTO BBVA codigo de verificacion_e2bfdf3f12050ff2724b42906e0ffc4da673b5d.exe	powershell.exe
PID 1976 wrote to memory of 1180	1976	DOCUMENTO CIRCULAR REQUERIMIENTO BBVA codigo de verificacion_e2bfdf3f12050ff2724b42906e0ffc4da673b5d.exe	powershell.exe
PID 1976 wrote to memory of 756	1976	DOCUMENTO CIRCULAR REQUERIMIENTO BBVA codigo de verificacion_e2bfdf3f12050ff2724b42906e0ffc4da673b5d.exe	InstallUtil.exe
PID 1976 wrote to memory of 756	1976	DOCUMENTO CIRCULAR REQUERIMIENTO BBVA codigo de verificacion_e2bfdf3f12050ff2724b42906e0ffc4da673b5d.exe	InstallUtil.exe
PID 1976 wrote to memory of 756	1976	DOCUMENTO CIRCULAR REQUERIMIENTO BBVA codigo de verificacion_e2bfdf3f12050ff2724b42906e0ffc4da673b5d.exe	InstallUtil.exe
PID 1976 wrote to memory of 756	1976	DOCUMENTO CIRCULAR REQUERIMIENTO BBVA codigo de verificacion_e2bfdf3f12050ff2724b42906e0ffc4da673b5d.exe	InstallUtil.exe
PID 1976 wrote to memory of 756	1976	DOCUMENTO CIRCULAR REQUERIMIENTO BBVA codigo de verificacion_e2bfdf3f12050ff2724b42906e0ffc4da673b5d.exe	InstallUtil.exe
PID 1976 wrote to memory of 756	1976	DOCUMENTO CIRCULAR REQUERIMIENTO BBVA codigo de verificacion_e2bfdf3f12050ff2724b42906e0ffc4da673b5d.exe	InstallUtil.exe
PID 1976 wrote to memory of 756	1976	DOCUMENTO CIRCULAR REQUERIMIENTO BBVA codigo de verificacion_e2bfdf3f12050ff2724b42906e0ffc4da673b5d.exe	InstallUtil.exe
PID 1976 wrote to memory of 756	1976	DOCUMENTO CIRCULAR REQUERIMIENTO BBVA codigo de verificacion_e2bfdf3f12050ff2724b42906e0ffc4da673b5d.exe	InstallUtil.exe
PID 1976 wrote to memory of 756	1976	DOCUMENTO CIRCULAR REQUERIMIENTO BBVA codigo de verificacion_e2bfdf3f12050ff2724b42906e0ffc4da673b5d.exe	InstallUtil.exe
PID 1976 wrote to memory of 756	1976	DOCUMENTO CIRCULAR REQUERIMIENTO BBVA codigo de verificacion_e2bfdf3f12050ff2724b42906e0ffc4da673b5d.exe	InstallUtil.exe
PID 1976 wrote to memory of 756	1976	DOCUMENTO CIRCULAR REQUERIMIENTO BBVA codigo de verificacion_e2bfdf3f12050ff2724b42906e0ffc4da673b5d.exe	InstallUtil.exe
PID 1976 wrote to memory of 756	1976	DOCUMENTO CIRCULAR REQUERIMIENTO BBVA codigo de verificacion_e2bfdf3f12050ff2724b42906e0ffc4da673b5d.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\DOCUMENTO CIRCULAR REQUERIMIENTO BBVA codigo de verificacion_e2bfdf3f12050ff2724b42906e0ffc4da673b5d.exe
"C:\Users\Admin\AppData\Local\Temp\DOCUMENTO CIRCULAR REQUERIMIENTO BBVA codigo de verificacion_e2bfdf3f12050ff2724b42906e0ffc4da673b5d.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1976

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAANQAwAA==
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1180

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:756

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/756-67-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/756-66-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/756-62-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/756-74-0x00000000003F0000-0x00000000003FA000-memory.dmp

Filesize
40KB

Download
memory/756-63-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/756-72-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/756-70-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/756-65-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/756-68-0x000000000041472E-mapping.dmp

Download
memory/1180-59-0x000000006F310000-0x000000006F8BB000-memory.dmp

Filesize
5.7MB

Download
memory/1180-61-0x000000006F310000-0x000000006F8BB000-memory.dmp

Filesize
5.7MB

Download
memory/1180-58-0x00000000754E1000-0x00000000754E3000-memory.dmp

Filesize
8KB

Download
memory/1180-60-0x000000006F310000-0x000000006F8BB000-memory.dmp

Filesize
5.7MB

Download
memory/1180-57-0x0000000000000000-mapping.dmp

Download
memory/1976-54-0x0000000001350000-0x00000000014B0000-memory.dmp

Filesize
1.4MB

Download
memory/1976-56-0x0000000004B90000-0x0000000004C22000-memory.dmp

Filesize
584KB

Download
memory/1976-55-0x0000000004FD0000-0x0000000005082000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads