asyncrat | 7c94e7fd2a9a7f37e26edddae640f56784df1f88d2b27200bcad7e79ccbb76c9

Analysis

max time kernel
178s
max time network
182s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
28-10-2024 19:49

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General

Target

282024-ENVIO COPIA DE LA NOTIFICACION ELETRONICA-282024/02 LEER NOTIFICACION.exe
Size

163KB
MD5

0588ce0c39da3283e779c1d5b21d283b
SHA1

1f264a47972d63db2cde18dc8311bc46551380eb
SHA256

d5a6714ab95caa92ef1a712465a44c1827122b971bdb28ffa33221e07651d6f7
SHA512

a5f97ac156d081cb4d9b3f32948eea387725c88af0f19e8bc8db2058a19e211648b7fd86708ff5e1db8f7b57ca3ab8edeba771c9d684c53bcb228ca71adab02a
SSDEEP

3072:yK2FRsfrS8Ywp3GKJ7hDD/vRvDTX8QlevsqYau7j7/EecxurY:x1TSG/XT5Fau7pXk

Score

10^/10

asyncrat default discovery rat

Malware Config

Extracted

Family

asyncrat

Version

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

Botnet

Default

envnue1024.duckdns.org:3013

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.execmd.exe

description	pid	process	target process
PID 3356 set thread context of 1684	3356	02 LEER NOTIFICACION.exe	cmd.exe
PID 1684 set thread context of 3368	1684	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:

cmd.exeMSBuild.exe02 LEER NOTIFICACION.exe

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

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

02 LEER NOTIFICACION.execmd.exe

pid process

3356 02 LEER NOTIFICACION.exe
3356 02 LEER NOTIFICACION.exe
1684 cmd.exe
1684 cmd.exe
Suspicious behavior: MapViewOfSection 3 IoCs

Processes:

02 LEER NOTIFICACION.execmd.exe

pid process

3356 02 LEER NOTIFICACION.exe
1684 cmd.exe
1684 cmd.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

MSBuild.exe

description pid process

Token: SeDebugPrivilege 3368 MSBuild.exe

pid	process
3356	02 LEER NOTIFICACION.exe
3356	02 LEER NOTIFICACION.exe
1684	cmd.exe
1684	cmd.exe

pid	process
3356	02 LEER NOTIFICACION.exe
1684	cmd.exe
1684	cmd.exe

description	pid	process
Token: SeDebugPrivilege	3368	MSBuild.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

02 LEER NOTIFICACION.execmd.exe

description	pid	process	target process
PID 3356 wrote to memory of 1684	3356	02 LEER NOTIFICACION.exe	cmd.exe
PID 3356 wrote to memory of 1684	3356	02 LEER NOTIFICACION.exe	cmd.exe
PID 3356 wrote to memory of 1684	3356	02 LEER NOTIFICACION.exe	cmd.exe
PID 3356 wrote to memory of 1684	3356	02 LEER NOTIFICACION.exe	cmd.exe
PID 1684 wrote to memory of 3368	1684	cmd.exe	MSBuild.exe
PID 1684 wrote to memory of 3368	1684	cmd.exe	MSBuild.exe
PID 1684 wrote to memory of 3368	1684	cmd.exe	MSBuild.exe
PID 1684 wrote to memory of 3368	1684	cmd.exe	MSBuild.exe
PID 1684 wrote to memory of 3368	1684	cmd.exe	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\282024-ENVIO COPIA DE LA NOTIFICACION ELETRONICA-282024\02 LEER NOTIFICACION.exe
"C:\Users\Admin\AppData\Local\Temp\282024-ENVIO COPIA DE LA NOTIFICACION ELETRONICA-282024\02 LEER NOTIFICACION.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3356

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:1684

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
- Suspicious use of AdjustPrivilegeToken
PID:3368

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\fa21de02

Filesize
777KB

MD5
9a57bf981a2dd6976091e11d77ae6793

SHA1
ea48e035dbda4744cb9b6789e8bb4fca4fb5153c

SHA256
c46707a06641bc503d67a84305018b002ea8a58362e32deb594eba68eec54e4f

SHA512
74416f6dedb9e59701f2806def1ed1095877f4c2ec94426ec771fc50ba8e7c7f7163dee5b0b067833b86f3eded321d3730c61116febef33852a72feda717349b

Download Submit
memory/1684-20-0x00000000753E0000-0x000000007555B000-memory.dmp

Filesize
1.5MB

Download
memory/1684-26-0x00000000753E0000-0x000000007555B000-memory.dmp

Filesize
1.5MB

Download
memory/1684-24-0x00000000753E0000-0x000000007555B000-memory.dmp

Filesize
1.5MB

Download
memory/1684-23-0x00000000753E0000-0x000000007555B000-memory.dmp

Filesize
1.5MB

Download
memory/1684-21-0x00007FFA91E10000-0x00007FFA92005000-memory.dmp

Filesize
2.0MB

Download
memory/3356-16-0x0000000057000000-0x000000005703F000-memory.dmp

Filesize
252KB

Download
memory/3356-10-0x00000000753E0000-0x000000007555B000-memory.dmp

Filesize
1.5MB

Download
memory/3356-18-0x0000000050120000-0x000000005030D000-memory.dmp

Filesize
1.9MB

Download
memory/3356-17-0x0000000057800000-0x0000000057812000-memory.dmp

Filesize
72KB

Download
memory/3356-15-0x0000000050000000-0x0000000050116000-memory.dmp

Filesize
1.1MB

Download
memory/3356-13-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3356-0-0x00000000753E0000-0x000000007555B000-memory.dmp

Filesize
1.5MB

Download
memory/3356-11-0x00000000753E0000-0x000000007555B000-memory.dmp

Filesize
1.5MB

Download
memory/3356-9-0x00000000753F3000-0x00000000753F5000-memory.dmp

Filesize
8KB

Download
memory/3356-14-0x0000000059800000-0x000000005986E000-memory.dmp

Filesize
440KB

Download
memory/3356-1-0x00007FFA91E10000-0x00007FFA92005000-memory.dmp

Filesize
2.0MB

Download
memory/3368-27-0x0000000073870000-0x0000000074AC4000-memory.dmp

Filesize
18.3MB

Download
memory/3368-30-0x00000000730CE000-0x00000000730CF000-memory.dmp

Filesize
4KB

Download
memory/3368-31-0x0000000000610000-0x0000000000626000-memory.dmp

Filesize
88KB

Download
memory/3368-32-0x00000000730C0000-0x0000000073870000-memory.dmp

Filesize
7.7MB

Download
memory/3368-33-0x00000000730CE000-0x00000000730CF000-memory.dmp

Filesize
4KB

Download
memory/3368-34-0x00000000730C0000-0x0000000073870000-memory.dmp

Filesize
7.7MB

Download
memory/3368-35-0x0000000005170000-0x000000000520C000-memory.dmp

Filesize
624KB

Download
memory/3368-36-0x00000000057C0000-0x0000000005D64000-memory.dmp

Filesize
5.6MB

Download
memory/3368-37-0x0000000005210000-0x0000000005276000-memory.dmp

Filesize
408KB

Download