asyncrat | 4b0e3b6706a952d8c374673a495b27c5d59915460b5277201f45b2a25e1a814e

General

Target

COMPROBANTE DE PAGO DETALLE DE TRANSACCION A CUENTA BANCARIA.exe
Size

682KB
MD5

f93f672e3571ca3bba2c81a4da8ec0f6
SHA1

16dce480dc0445382c5239a604a49890ff8c31bd
SHA256

4b0e3b6706a952d8c374673a495b27c5d59915460b5277201f45b2a25e1a814e
SHA512

9ab6fec9f441a8dee4305ea0715a4bfb44b2812dddfaf72e0c23280d2860acf8462bf61b2a4be0f44d112efad564c3cf6dd52c777ddc269e29e2b7912238651e
SSDEEP

12288:7RcGFilLLLRCZQ2yFvfgx3dvQTqLcvxZkKvrBoRNm5p2AOJ8/jKmpPacGKYg0XEB:7xFilLLLRCZQ2yFvfgx3dvQTqL8xZkKj

Score

10^/10

asyncrat default persistence rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

ddfgfdshg.duckdns.org:8091

Mutex

AsyncMutex_6SI8OkPnk

Attributes

delay
3
install
false
install_folder
%AppData%

aes.plain

Signatures

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

Async RAT payload 1 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/4068-143-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

COMPROBANTE DE PAGO DETALLE DE TRANSACCION A CUENTA BANCARIA.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	COMPROBANTE DE PAGO DETALLE DE TRANSACCION A CUENTA BANCARIA.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

COMPROBANTE DE PAGO DETALLE DE TRANSACCION A CUENTA BANCARIA.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\chrome = "\"C:\\Users\\Admin\\AppData\\Roaming\\Ervlt\\chrome.exe\""	COMPROBANTE DE PAGO DETALLE DE TRANSACCION A CUENTA BANCARIA.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

COMPROBANTE DE PAGO DETALLE DE TRANSACCION A CUENTA BANCARIA.exe

description	pid	process	target process
PID 2352 set thread context of 4068	2352	COMPROBANTE DE PAGO DETALLE DE TRANSACCION A CUENTA BANCARIA.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 2 IoCs

Processes:

powershell.exe

pid process

4164 powershell.exe
4164 powershell.exe

pid	process
4164	powershell.exe
4164	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exeCOMPROBANTE DE PAGO DETALLE DE TRANSACCION A CUENTA BANCARIA.exeInstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	4164	powershell.exe
Token: SeDebugPrivilege	2352	COMPROBANTE DE PAGO DETALLE DE TRANSACCION A CUENTA BANCARIA.exe
Token: SeDebugPrivilege	4068	InstallUtil.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

COMPROBANTE DE PAGO DETALLE DE TRANSACCION A CUENTA BANCARIA.exe

description	pid	process	target process
PID 2352 wrote to memory of 4164	2352	COMPROBANTE DE PAGO DETALLE DE TRANSACCION A CUENTA BANCARIA.exe	powershell.exe
PID 2352 wrote to memory of 4164	2352	COMPROBANTE DE PAGO DETALLE DE TRANSACCION A CUENTA BANCARIA.exe	powershell.exe
PID 2352 wrote to memory of 4164	2352	COMPROBANTE DE PAGO DETALLE DE TRANSACCION A CUENTA BANCARIA.exe	powershell.exe
PID 2352 wrote to memory of 4068	2352	COMPROBANTE DE PAGO DETALLE DE TRANSACCION A CUENTA BANCARIA.exe	InstallUtil.exe
PID 2352 wrote to memory of 4068	2352	COMPROBANTE DE PAGO DETALLE DE TRANSACCION A CUENTA BANCARIA.exe	InstallUtil.exe
PID 2352 wrote to memory of 4068	2352	COMPROBANTE DE PAGO DETALLE DE TRANSACCION A CUENTA BANCARIA.exe	InstallUtil.exe
PID 2352 wrote to memory of 4068	2352	COMPROBANTE DE PAGO DETALLE DE TRANSACCION A CUENTA BANCARIA.exe	InstallUtil.exe
PID 2352 wrote to memory of 4068	2352	COMPROBANTE DE PAGO DETALLE DE TRANSACCION A CUENTA BANCARIA.exe	InstallUtil.exe
PID 2352 wrote to memory of 4068	2352	COMPROBANTE DE PAGO DETALLE DE TRANSACCION A CUENTA BANCARIA.exe	InstallUtil.exe
PID 2352 wrote to memory of 4068	2352	COMPROBANTE DE PAGO DETALLE DE TRANSACCION A CUENTA BANCARIA.exe	InstallUtil.exe
PID 2352 wrote to memory of 4068	2352	COMPROBANTE DE PAGO DETALLE DE TRANSACCION A CUENTA BANCARIA.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\COMPROBANTE DE PAGO DETALLE DE TRANSACCION A CUENTA BANCARIA.exe
"C:\Users\Admin\AppData\Local\Temp\COMPROBANTE DE PAGO DETALLE DE TRANSACCION A CUENTA BANCARIA.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2352

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQAwAA==
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4164

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:4068

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/2352-132-0x0000000000CC0000-0x0000000000D6C000-memory.dmp

Filesize
688KB

Download
memory/2352-133-0x00000000059F0000-0x0000000005A12000-memory.dmp

Filesize
136KB

Download
memory/4068-145-0x0000000006120000-0x00000000066C4000-memory.dmp

Filesize
5.6MB

Download
memory/4068-144-0x0000000005AD0000-0x0000000005B6C000-memory.dmp

Filesize
624KB

Download
memory/4068-143-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/4068-142-0x0000000000000000-mapping.dmp

Download
memory/4164-138-0x00000000060C0000-0x0000000006126000-memory.dmp

Filesize
408KB

Download
memory/4164-139-0x0000000006730000-0x000000000674E000-memory.dmp

Filesize
120KB

Download
memory/4164-140-0x0000000007FD0000-0x000000000864A000-memory.dmp

Filesize
6.5MB

Download
memory/4164-141-0x0000000006C30000-0x0000000006C4A000-memory.dmp

Filesize
104KB

Download
memory/4164-137-0x0000000006050000-0x00000000060B6000-memory.dmp

Filesize
408KB

Download
memory/4164-136-0x0000000005920000-0x0000000005F48000-memory.dmp

Filesize
6.2MB

Download
memory/4164-135-0x0000000003190000-0x00000000031C6000-memory.dmp

Filesize
216KB

Download
memory/4164-134-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads