asyncrat | 1a0105cf570308597af0ea76b9eca74fc24b6f84b41a406ef96a3f24e82e6167

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-11-2024 01:27

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General

Target

OFICIO NOTIFICACIÓN ELECTRÓNICA CENDO RAMA JUDICIAL DEL PODER PÚBLICO ESM CONFIRMAR RECIBIDO/0003.exe
Size

1.2MB
MD5

f778e9136ab0db9de9802a7043de50a7
SHA1

850dca074534a14fdb9ada6afaceea88558764e0
SHA256

90803a583e9f693de5e7b8a196832436f6f648b27fb82e55904c256f30cc8b3a
SHA512

cd6c5c3537f05ad5826d503e38b8e6ef2eaf668616bec15ba51ad3d81e0337a72779d7ca6af9e8ebee12d713891b30c0b73bf34718552bc9f4e7d8909b998156
SSDEEP

24576:+heavSigvk0vhkzswHD4/V3OQdnYKYc4wXUyuy1:qP710vezrj4dJYFYUyuy1

Score

10^/10

asyncrat 30 wins discovery rat

Malware Config

Extracted

Family

asyncrat

Version

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

Botnet

30 WINS

3010wins.duckdns.org:9003

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:

0003.execmd.exe

description pid process target process

PID 4084 set thread context of 1512 4084 0003.exe cmd.exe
PID 1512 set thread context of 1508 1512 cmd.exe MSBuild.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	pid	process	target process
PID 4084 set thread context of 1512	4084	0003.exe	cmd.exe
PID 1512 set thread context of 1508	1512	cmd.exe	MSBuild.exe

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:

0003.execmd.exeMSBuild.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0003.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:

0003.execmd.exe

pid process

4084 0003.exe
4084 0003.exe
1512 cmd.exe
1512 cmd.exe
Suspicious behavior: MapViewOfSection 3 IoCs

Processes:

0003.execmd.exe

pid process

4084 0003.exe
1512 cmd.exe
1512 cmd.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

MSBuild.exe

description pid process

Token: SeDebugPrivilege 1508 MSBuild.exe

pid	process
4084	0003.exe
4084	0003.exe
1512	cmd.exe
1512	cmd.exe

pid	process
4084	0003.exe
1512	cmd.exe
1512	cmd.exe

description	pid	process
Token: SeDebugPrivilege	1508	MSBuild.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0003.execmd.exe

description	pid	process	target process
PID 4084 wrote to memory of 1512	4084	0003.exe	cmd.exe
PID 4084 wrote to memory of 1512	4084	0003.exe	cmd.exe
PID 4084 wrote to memory of 1512	4084	0003.exe	cmd.exe
PID 4084 wrote to memory of 1512	4084	0003.exe	cmd.exe
PID 1512 wrote to memory of 1508	1512	cmd.exe	MSBuild.exe
PID 1512 wrote to memory of 1508	1512	cmd.exe	MSBuild.exe
PID 1512 wrote to memory of 1508	1512	cmd.exe	MSBuild.exe
PID 1512 wrote to memory of 1508	1512	cmd.exe	MSBuild.exe
PID 1512 wrote to memory of 1508	1512	cmd.exe	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\OFICIO NOTIFICACIÓN ELECTRÓNICA CENDO RAMA JUDICIAL DEL PODER PÚBLICO ESM CONFIRMAR RECIBIDO\0003.exe
"C:\Users\Admin\AppData\Local\Temp\OFICIO NOTIFICACIÓN ELECTRÓNICA CENDO RAMA JUDICIAL DEL PODER PÚBLICO ESM CONFIRMAR RECIBIDO\0003.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4084
- 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:1512
- - 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:1508

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\134c76d3

Filesize
777KB

MD5
128cdcd82ec6cc7985c0376be3998407

SHA1
9c1fdc513456cd9e5927faafacf7262eb1da90f3

SHA256
7d8825b5ba08c903ec8e7cf8e8515f00102a238ec41c8093735fb72c6fef2b82

SHA512
d7e37b7a02836834c905a15f1b222cc234548519e4cc0f4cdb58c66ff196f45581d51866705730f1feafa9625676901955aebdffc6021317f668ed817e3f05fa

Download Submit
memory/1508-22-0x00000000734D0000-0x0000000074724000-memory.dmp

Filesize
18.3MB

Download
memory/1508-29-0x0000000074CB0000-0x0000000075460000-memory.dmp

Filesize
7.7MB

Download
memory/1508-28-0x0000000074CBE000-0x0000000074CBF000-memory.dmp

Filesize
4KB

Download
memory/1508-27-0x0000000074CB0000-0x0000000075460000-memory.dmp

Filesize
7.7MB

Download
memory/1508-26-0x0000000000F80000-0x0000000000F96000-memory.dmp

Filesize
88KB

Download
memory/1508-25-0x0000000074CBE000-0x0000000074CBF000-memory.dmp

Filesize
4KB

Download
memory/1512-19-0x0000000074A30000-0x0000000074BAB000-memory.dmp

Filesize
1.5MB

Download
memory/1512-18-0x0000000074A30000-0x0000000074BAB000-memory.dmp

Filesize
1.5MB

Download
memory/1512-21-0x0000000074A30000-0x0000000074BAB000-memory.dmp

Filesize
1.5MB

Download
memory/1512-15-0x00007FFEC83B0000-0x00007FFEC85A5000-memory.dmp

Filesize
2.0MB

Download
memory/1512-13-0x0000000074A30000-0x0000000074BAB000-memory.dmp

Filesize
1.5MB

Download
memory/4084-0-0x0000000074A30000-0x0000000074BAB000-memory.dmp

Filesize
1.5MB

Download
memory/4084-11-0x0000000074A30000-0x0000000074BAB000-memory.dmp

Filesize
1.5MB

Download
memory/4084-10-0x0000000074A30000-0x0000000074BAB000-memory.dmp

Filesize
1.5MB

Download
memory/4084-9-0x0000000074A43000-0x0000000074A45000-memory.dmp

Filesize
8KB

Download
memory/4084-1-0x00007FFEC83B0000-0x00007FFEC85A5000-memory.dmp

Filesize
2.0MB

Download