asyncrat | 92f4314132ce1800a4e31453ec58531abe782012c0dc46ef6b1a4454667cd4b2

Analysis

max time kernel
146s
max time network
148s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-11-2024 06:54

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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 2732 set thread context of 2672 2732 0003.exe cmd.exe
PID 2672 set thread context of 3020 2672 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 2732 set thread context of 2672	2732	0003.exe	cmd.exe
PID 2672 set thread context of 3020	2672	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

2732 0003.exe
2732 0003.exe
2672 cmd.exe
2672 cmd.exe
Suspicious behavior: MapViewOfSection 3 IoCs

Processes:

0003.execmd.exe

pid process

2732 0003.exe
2672 cmd.exe
2672 cmd.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

MSBuild.exe

description pid process

Token: SeDebugPrivilege 3020 MSBuild.exe

pid	process
2732	0003.exe
2732	0003.exe
2672	cmd.exe
2672	cmd.exe

pid	process
2732	0003.exe
2672	cmd.exe
2672	cmd.exe

description	pid	process
Token: SeDebugPrivilege	3020	MSBuild.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

0003.execmd.exe

description	pid	process	target process
PID 2732 wrote to memory of 2672	2732	0003.exe	cmd.exe
PID 2732 wrote to memory of 2672	2732	0003.exe	cmd.exe
PID 2732 wrote to memory of 2672	2732	0003.exe	cmd.exe
PID 2732 wrote to memory of 2672	2732	0003.exe	cmd.exe
PID 2732 wrote to memory of 2672	2732	0003.exe	cmd.exe
PID 2672 wrote to memory of 3020	2672	cmd.exe	MSBuild.exe
PID 2672 wrote to memory of 3020	2672	cmd.exe	MSBuild.exe
PID 2672 wrote to memory of 3020	2672	cmd.exe	MSBuild.exe
PID 2672 wrote to memory of 3020	2672	cmd.exe	MSBuild.exe
PID 2672 wrote to memory of 3020	2672	cmd.exe	MSBuild.exe
PID 2672 wrote to memory of 3020	2672	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:2732
- 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:2672
- - 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:3020

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\137668b5

Filesize
777KB

MD5
263275ac21c6961efbf8b53edb8305e1

SHA1
388dcc130e32725b4df0b8407d459c009d147c4f

SHA256
67b2696e9bbf5282801c1ab9de5ea582570c9e764da2dc806ace0a6ca905683b

SHA512
0aedf4fa17913137a5a1b209adb70121e266fff8a4aceee69bd9373c0a324c5a29ad052d9dba09b6c0d733f19c69ae42d3261b0380818e1b4a9d868b7bfef868

Download Submit
memory/2672-62-0x0000000074E20000-0x0000000074F94000-memory.dmp

Filesize
1.5MB

Download
memory/2672-14-0x0000000074E20000-0x0000000074F94000-memory.dmp

Filesize
1.5MB

Download
memory/2672-65-0x0000000074E20000-0x0000000074F94000-memory.dmp

Filesize
1.5MB

Download
memory/2672-61-0x0000000074E20000-0x0000000074F94000-memory.dmp

Filesize
1.5MB

Download
memory/2672-15-0x00000000778E0000-0x0000000077A89000-memory.dmp

Filesize
1.7MB

Download
memory/2732-1-0x00000000778E0000-0x0000000077A89000-memory.dmp

Filesize
1.7MB

Download
memory/2732-9-0x0000000074E33000-0x0000000074E35000-memory.dmp

Filesize
8KB

Download
memory/2732-11-0x0000000074E20000-0x0000000074F94000-memory.dmp

Filesize
1.5MB

Download
memory/2732-0-0x0000000074E20000-0x0000000074F94000-memory.dmp

Filesize
1.5MB

Download
memory/2732-10-0x0000000074E20000-0x0000000074F94000-memory.dmp

Filesize
1.5MB

Download
memory/3020-66-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/3020-67-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/3020-64-0x0000000072E60000-0x0000000073EC2000-memory.dmp

Filesize
16.4MB

Download
memory/3020-68-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download