asyncrat | 7c94e7fd2a9a7f37e26edddae640f56784df1f88d2b27200bcad7e79ccbb76c9

Analysis

max time kernel
174s
max time network
181s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-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 2528 set thread context of 2880	2528	02 LEER NOTIFICACION.exe	cmd.exe
PID 2880 set thread context of 1920	2880	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

2528 02 LEER NOTIFICACION.exe
2528 02 LEER NOTIFICACION.exe
2880 cmd.exe
2880 cmd.exe
Suspicious behavior: MapViewOfSection 3 IoCs

Processes:

02 LEER NOTIFICACION.execmd.exe

pid process

2528 02 LEER NOTIFICACION.exe
2880 cmd.exe
2880 cmd.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

MSBuild.exe

description pid process

Token: SeDebugPrivilege 1920 MSBuild.exe

pid	process
2528	02 LEER NOTIFICACION.exe
2528	02 LEER NOTIFICACION.exe
2880	cmd.exe
2880	cmd.exe

pid	process
2528	02 LEER NOTIFICACION.exe
2880	cmd.exe
2880	cmd.exe

description	pid	process
Token: SeDebugPrivilege	1920	MSBuild.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

02 LEER NOTIFICACION.execmd.exe

description	pid	process	target process
PID 2528 wrote to memory of 2880	2528	02 LEER NOTIFICACION.exe	cmd.exe
PID 2528 wrote to memory of 2880	2528	02 LEER NOTIFICACION.exe	cmd.exe
PID 2528 wrote to memory of 2880	2528	02 LEER NOTIFICACION.exe	cmd.exe
PID 2528 wrote to memory of 2880	2528	02 LEER NOTIFICACION.exe	cmd.exe
PID 2528 wrote to memory of 2880	2528	02 LEER NOTIFICACION.exe	cmd.exe
PID 2880 wrote to memory of 1920	2880	cmd.exe	MSBuild.exe
PID 2880 wrote to memory of 1920	2880	cmd.exe	MSBuild.exe
PID 2880 wrote to memory of 1920	2880	cmd.exe	MSBuild.exe
PID 2880 wrote to memory of 1920	2880	cmd.exe	MSBuild.exe
PID 2880 wrote to memory of 1920	2880	cmd.exe	MSBuild.exe
PID 2880 wrote to memory of 1920	2880	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:2528

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:2880

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:1920

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\27113e9d

Filesize
777KB

MD5
481c7bb178ca773e77f0a6c980380eee

SHA1
dbb5795c93e79c398964020af3dce4d81dc739fb

SHA256
95ac6391df7882604e2d63e989a85b1298995d0c295d97a3c60d3c771e8f6326

SHA512
372cf83fba88950b3d40e6bce381b531fb4c1eb7dcbec3a7914507c828a5d5cf94738e8f5cd76aef20197fb9c4d75614a9157c566b2d570328431a08ebc12ba9

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab41B4.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
memory/1920-79-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1920-75-0x0000000072E90000-0x0000000073EF2000-memory.dmp

Filesize
16.4MB

Download
memory/1920-77-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/1920-78-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2528-17-0x0000000074DC0000-0x0000000074F34000-memory.dmp

Filesize
1.5MB

Download
memory/2528-13-0x0000000059800000-0x000000005986E000-memory.dmp

Filesize
440KB

Download
memory/2528-16-0x0000000057800000-0x0000000057812000-memory.dmp

Filesize
72KB

Download
memory/2528-14-0x0000000057000000-0x000000005703F000-memory.dmp

Filesize
252KB

Download
memory/2528-0-0x0000000074DC0000-0x0000000074F34000-memory.dmp

Filesize
1.5MB

Download
memory/2528-1-0x0000000077910000-0x0000000077AB9000-memory.dmp

Filesize
1.7MB

Download
memory/2528-12-0x0000000050000000-0x0000000050116000-memory.dmp

Filesize
1.1MB

Download
memory/2528-15-0x0000000050120000-0x000000005030D000-memory.dmp

Filesize
1.9MB

Download
memory/2528-9-0x0000000074DD3000-0x0000000074DD5000-memory.dmp

Filesize
8KB

Download
memory/2528-10-0x0000000074DC0000-0x0000000074F34000-memory.dmp

Filesize
1.5MB

Download
memory/2528-11-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2880-27-0x0000000077910000-0x0000000077AB9000-memory.dmp

Filesize
1.7MB

Download
memory/2880-76-0x0000000074DC0000-0x0000000074F34000-memory.dmp

Filesize
1.5MB

Download
memory/2880-73-0x0000000074DC0000-0x0000000074F34000-memory.dmp

Filesize
1.5MB

Download
memory/2880-72-0x0000000074DC0000-0x0000000074F34000-memory.dmp

Filesize
1.5MB

Download
memory/2880-26-0x0000000074DC0000-0x0000000074F34000-memory.dmp

Filesize
1.5MB

Download