asyncrat | e3740c94527a71c6a0d34d198898dea8b35f16ded2247cec46979ca547f4bdb6

Analysis

max time kernel
164s
max time network
173s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-10-2024 23:00

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General

Target

00898-ENVIO COPIA DE LA NOTIFICACION ELECTRONICA/02 LEER NOTIFICACION ELECTRONIA.exe
Size

1.2MB
MD5

f778e9136ab0db9de9802a7043de50a7
SHA1

850dca074534a14fdb9ada6afaceea88558764e0
SHA256

90803a583e9f693de5e7b8a196832436f6f648b27fb82e55904c256f30cc8b3a
SHA512

cd6c5c3537f05ad5826d503e38b8e6ef2eaf668616bec15ba51ad3d81e0337a72779d7ca6af9e8ebee12d713891b30c0b73bf34718552bc9f4e7d8909b998156
SSDEEP

24576:+heavSigvk0vhkzswHD4/V3OQdnYKYc4wXUyuy1:qP710vezrj4dJYFYUyuy1

Score

10^/10

asyncrat default discovery rat

Malware Config

Extracted

Family

asyncrat

Version

| CRACKED BY https://t.me/xworm_v2

Botnet

Default

ansy21oct.duckdns.org:1415

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 written in C#.
rat asyncrat
Asyncrat family
asyncrat

Suspicious use of SetThreadContext 2 IoCs

Processes:

02 LEER NOTIFICACION ELECTRONIA.execmd.exe

description	pid	process	target process
PID 2792 set thread context of 2812	2792	02 LEER NOTIFICACION ELECTRONIA.exe	cmd.exe
PID 2812 set thread context of 2416	2812	cmd.exe	MSBuild.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

02 LEER NOTIFICACION ELECTRONIA.execmd.exeMSBuild.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	02 LEER NOTIFICACION ELECTRONIA.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

02 LEER NOTIFICACION ELECTRONIA.execmd.exe

pid process

2792 02 LEER NOTIFICACION ELECTRONIA.exe
2792 02 LEER NOTIFICACION ELECTRONIA.exe
2812 cmd.exe
2812 cmd.exe
Suspicious behavior: MapViewOfSection 3 IoCs

Processes:

02 LEER NOTIFICACION ELECTRONIA.execmd.exe

pid process

2792 02 LEER NOTIFICACION ELECTRONIA.exe
2812 cmd.exe
2812 cmd.exe

pid	process
2792	02 LEER NOTIFICACION ELECTRONIA.exe
2792	02 LEER NOTIFICACION ELECTRONIA.exe
2812	cmd.exe
2812	cmd.exe

pid	process
2792	02 LEER NOTIFICACION ELECTRONIA.exe
2812	cmd.exe
2812	cmd.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

02 LEER NOTIFICACION ELECTRONIA.execmd.exe

description	pid	process	target process
PID 2792 wrote to memory of 2812	2792	02 LEER NOTIFICACION ELECTRONIA.exe	cmd.exe
PID 2792 wrote to memory of 2812	2792	02 LEER NOTIFICACION ELECTRONIA.exe	cmd.exe
PID 2792 wrote to memory of 2812	2792	02 LEER NOTIFICACION ELECTRONIA.exe	cmd.exe
PID 2792 wrote to memory of 2812	2792	02 LEER NOTIFICACION ELECTRONIA.exe	cmd.exe
PID 2792 wrote to memory of 2812	2792	02 LEER NOTIFICACION ELECTRONIA.exe	cmd.exe
PID 2812 wrote to memory of 2416	2812	cmd.exe	MSBuild.exe
PID 2812 wrote to memory of 2416	2812	cmd.exe	MSBuild.exe
PID 2812 wrote to memory of 2416	2812	cmd.exe	MSBuild.exe
PID 2812 wrote to memory of 2416	2812	cmd.exe	MSBuild.exe
PID 2812 wrote to memory of 2416	2812	cmd.exe	MSBuild.exe
PID 2812 wrote to memory of 2416	2812	cmd.exe	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\00898-ENVIO COPIA DE LA NOTIFICACION ELECTRONICA\02 LEER NOTIFICACION ELECTRONIA.exe
"C:\Users\Admin\AppData\Local\Temp\00898-ENVIO COPIA DE LA NOTIFICACION ELECTRONICA\02 LEER NOTIFICACION ELECTRONIA.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2792

C:\Windows\SysWOW64\cmd.exe
C:\Windows\SysWOW64\cmd.exe
2⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2812

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
3⤵
- System Location Discovery: System Language Discovery
PID:2416

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\e8589476

Filesize
777KB

MD5
350ddc7e8ef2583b21906e84d6600554

SHA1
9410c7ba664560a7fd5f797438d7ab904971f4c4

SHA256
40cbc7b256bb96a6ca97e5eee51c9cea73e7cf15b2a90c3abb22dd2da243214f

SHA512
5b57ecab710095f2e5e5d4493551af7d183f28eccd93b2f9131e49aa7aef70e216a69382bd842867b92bd73b3b3e7e86c61182accfb053324a605200a256af69

Download Submit
memory/2416-67-0x00000000000C0000-0x00000000000D6000-memory.dmp

Filesize
88KB

Download
memory/2416-63-0x00000000729F0000-0x0000000073A52000-memory.dmp

Filesize
16.4MB

Download
memory/2416-65-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2416-66-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2792-9-0x00000000749D3000-0x00000000749D5000-memory.dmp

Filesize
8KB

Download
memory/2792-11-0x00000000749C0000-0x0000000074B34000-memory.dmp

Filesize
1.5MB

Download
memory/2792-0-0x00000000749C0000-0x0000000074B34000-memory.dmp

Filesize
1.5MB

Download
memory/2792-10-0x00000000749C0000-0x0000000074B34000-memory.dmp

Filesize
1.5MB

Download
memory/2792-1-0x0000000077470000-0x0000000077619000-memory.dmp

Filesize
1.7MB

Download
memory/2812-15-0x0000000077470000-0x0000000077619000-memory.dmp

Filesize
1.7MB

Download
memory/2812-60-0x00000000749C0000-0x0000000074B34000-memory.dmp

Filesize
1.5MB

Download
memory/2812-61-0x00000000749C0000-0x0000000074B34000-memory.dmp

Filesize
1.5MB

Download
memory/2812-64-0x00000000749C0000-0x0000000074B34000-memory.dmp

Filesize
1.5MB

Download
memory/2812-13-0x00000000749C0000-0x0000000074B34000-memory.dmp

Filesize
1.5MB

Download