asyncrat | 1e701ee3eab5f0c8a99b418096fecc368a09a4f8f77e4a93d0d709a21c35ac3b

Analysis

max time kernel
145s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
26-03-2023 08:45

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General

Target

Comprobante de pago soporte de transaccion a cuenta bancaria.exe
Size

310KB
MD5

7c17c418ac46c2a8e7ef03486ac2ed96
SHA1

6ed1f50056585cdd7352f5a9b926a75c31635f07
SHA256

1e701ee3eab5f0c8a99b418096fecc368a09a4f8f77e4a93d0d709a21c35ac3b
SHA512

1595f0c9d21f06967f3d6a7f12148f17dd5d72c413fc14027f6fbf4dbde4d193d587e883d12c54225503ea574265330176c2e3aaa469e6134f8a537806beef93
SSDEEP

6144:fUNLR2hzs3UB3zHNE3Oj1bJ3tONsE1kL9KPqKhf3OJ0YkRpE07ygea:u93U1ztuW1bJdONlk4CKhf3kkRpljea

Score

10^/10

asyncrat default persistence rat

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Default

mnvbvnvgc.duckdns.org:8026

Mutex

DcRatMutex_qwqdanchun

Attributes

delay
1
install
false
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat

Async RAT payload 1 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/624-135-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Comprobante de pago soporte de transaccion a cuenta bancaria.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\C7D6B82E425A442BA09BE9612EC0F31B = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Comprobante de pago soporte de transaccion a cuenta bancaria.exe\""	Comprobante de pago soporte de transaccion a cuenta bancaria.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Comprobante de pago soporte de transaccion a cuenta bancaria.exe

description	pid	process	target process
PID 2036 set thread context of 624	2036	Comprobante de pago soporte de transaccion a cuenta bancaria.exe	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Comprobante de pago soporte de transaccion a cuenta bancaria.exeInstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	2036	Comprobante de pago soporte de transaccion a cuenta bancaria.exe
Token: SeDebugPrivilege	624	InstallUtil.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

Comprobante de pago soporte de transaccion a cuenta bancaria.exe

description	pid	process	target process
PID 2036 wrote to memory of 624	2036	Comprobante de pago soporte de transaccion a cuenta bancaria.exe	InstallUtil.exe
PID 2036 wrote to memory of 624	2036	Comprobante de pago soporte de transaccion a cuenta bancaria.exe	InstallUtil.exe
PID 2036 wrote to memory of 624	2036	Comprobante de pago soporte de transaccion a cuenta bancaria.exe	InstallUtil.exe
PID 2036 wrote to memory of 624	2036	Comprobante de pago soporte de transaccion a cuenta bancaria.exe	InstallUtil.exe
PID 2036 wrote to memory of 624	2036	Comprobante de pago soporte de transaccion a cuenta bancaria.exe	InstallUtil.exe
PID 2036 wrote to memory of 624	2036	Comprobante de pago soporte de transaccion a cuenta bancaria.exe	InstallUtil.exe
PID 2036 wrote to memory of 624	2036	Comprobante de pago soporte de transaccion a cuenta bancaria.exe	InstallUtil.exe
PID 2036 wrote to memory of 624	2036	Comprobante de pago soporte de transaccion a cuenta bancaria.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\Comprobante de pago soporte de transaccion a cuenta bancaria.exe
"C:\Users\Admin\AppData\Local\Temp\Comprobante de pago soporte de transaccion a cuenta bancaria.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2036

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:624

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/624-135-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/624-137-0x0000000005150000-0x0000000005160000-memory.dmp

Filesize
64KB

Download
memory/624-138-0x0000000005150000-0x0000000005160000-memory.dmp

Filesize
64KB

Download
memory/2036-133-0x000001AEF1F90000-0x000001AEF1FE2000-memory.dmp

Filesize
328KB

Download
memory/2036-134-0x000001AEF3D20000-0x000001AEF3D30000-memory.dmp

Filesize
64KB

Download