asyncrat | 980cc0171311901b113f1c0f4c5e255aaff4aaa2c1ccfb0ea0a4806d6669b1e2

Analysis

max time kernel
150s
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
25-10-2024 09:24

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General

Target

JUZGADO PENAL DEL CIRCUITO - DEMANDA LABORAL/1 PROCESO_AUDIENCIA.exe
Size

1.2MB
MD5

f778e9136ab0db9de9802a7043de50a7
SHA1

850dca074534a14fdb9ada6afaceea88558764e0
SHA256

90803a583e9f693de5e7b8a196832436f6f648b27fb82e55904c256f30cc8b3a
SHA512

cd6c5c3537f05ad5826d503e38b8e6ef2eaf668616bec15ba51ad3d81e0337a72779d7ca6af9e8ebee12d713891b30c0b73bf34718552bc9f4e7d8909b998156
SSDEEP

24576:+heavSigvk0vhkzswHD4/V3OQdnYKYc4wXUyuy1:qP710vezrj4dJYFYUyuy1

Score

10^/10

asyncrat server discovery rat

Malware Config

Extracted

Family

asyncrat

Version

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

Botnet

SERVER

asxyz.duckdns.org:52350

Mutex

AsyncMutex_6SI6TOGjnk

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

Suspicious use of SetThreadContext 2 IoCs

Processes:

1 PROCESO_AUDIENCIA.execmd.exe

description	pid	process	target process
PID 4924 set thread context of 1368	4924	1 PROCESO_AUDIENCIA.exe	cmd.exe
PID 1368 set thread context of 4544	1368	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:

MSBuild.exe1 PROCESO_AUDIENCIA.execmd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1 PROCESO_AUDIENCIA.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

1 PROCESO_AUDIENCIA.execmd.exe

pid process

4924 1 PROCESO_AUDIENCIA.exe
4924 1 PROCESO_AUDIENCIA.exe
1368 cmd.exe
1368 cmd.exe
Suspicious behavior: MapViewOfSection 3 IoCs

Processes:

1 PROCESO_AUDIENCIA.execmd.exe

pid process

4924 1 PROCESO_AUDIENCIA.exe
1368 cmd.exe
1368 cmd.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

MSBuild.exe

description pid process

Token: SeDebugPrivilege 4544 MSBuild.exe

pid	process
4924	1 PROCESO_AUDIENCIA.exe
4924	1 PROCESO_AUDIENCIA.exe
1368	cmd.exe
1368	cmd.exe

pid	process
4924	1 PROCESO_AUDIENCIA.exe
1368	cmd.exe
1368	cmd.exe

description	pid	process
Token: SeDebugPrivilege	4544	MSBuild.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1 PROCESO_AUDIENCIA.execmd.exe

description	pid	process	target process
PID 4924 wrote to memory of 1368	4924	1 PROCESO_AUDIENCIA.exe	cmd.exe
PID 4924 wrote to memory of 1368	4924	1 PROCESO_AUDIENCIA.exe	cmd.exe
PID 4924 wrote to memory of 1368	4924	1 PROCESO_AUDIENCIA.exe	cmd.exe
PID 4924 wrote to memory of 1368	4924	1 PROCESO_AUDIENCIA.exe	cmd.exe
PID 1368 wrote to memory of 4544	1368	cmd.exe	MSBuild.exe
PID 1368 wrote to memory of 4544	1368	cmd.exe	MSBuild.exe
PID 1368 wrote to memory of 4544	1368	cmd.exe	MSBuild.exe
PID 1368 wrote to memory of 4544	1368	cmd.exe	MSBuild.exe
PID 1368 wrote to memory of 4544	1368	cmd.exe	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\JUZGADO PENAL DEL CIRCUITO - DEMANDA LABORAL\1 PROCESO_AUDIENCIA.exe
"C:\Users\Admin\AppData\Local\Temp\JUZGADO PENAL DEL CIRCUITO - DEMANDA LABORAL\1 PROCESO_AUDIENCIA.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4924
- 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:1368
- - 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:4544

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\64e9dfe

Filesize
777KB

MD5
9268379f8bbb775152aeac26e64970a2

SHA1
9305d985b92eea6564f8a67ae5522df9e398bcdc

SHA256
3a31176b00d3183784378dfb58351b6fd4eb86ea7ec15841fa9f7315a3f13a3d

SHA512
b71efadd6a045c0ce0a4e0c71704099a3e0eefbac69c3c1ed42b47ba73136ba4f33782cfd97344326b4dd134eee7a46a9d4c03c3dd5168aa8157e8f1fb118cf2

Download Submit
memory/1368-20-0x00000000749F0000-0x0000000074B6B000-memory.dmp

Filesize
1.5MB

Download
memory/1368-15-0x00007FFDFCD90000-0x00007FFDFCF85000-memory.dmp

Filesize
2.0MB

Download
memory/1368-18-0x00000000749F0000-0x0000000074B6B000-memory.dmp

Filesize
1.5MB

Download
memory/1368-17-0x00000000749F0000-0x0000000074B6B000-memory.dmp

Filesize
1.5MB

Download
memory/1368-13-0x00000000749F0000-0x0000000074B6B000-memory.dmp

Filesize
1.5MB

Download
memory/4544-26-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download
memory/4544-25-0x0000000000FA0000-0x0000000000FB6000-memory.dmp

Filesize
88KB

Download
memory/4544-32-0x0000000074C7E000-0x0000000074C7F000-memory.dmp

Filesize
4KB

Download
memory/4544-31-0x0000000006030000-0x0000000006096000-memory.dmp

Filesize
408KB

Download
memory/4544-33-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download
memory/4544-24-0x0000000074C7E000-0x0000000074C7F000-memory.dmp

Filesize
4KB

Download
memory/4544-21-0x0000000073490000-0x00000000746E4000-memory.dmp

Filesize
18.3MB

Download
memory/4544-30-0x0000000006570000-0x0000000006B14000-memory.dmp

Filesize
5.6MB

Download
memory/4544-29-0x0000000005F20000-0x0000000005FBC000-memory.dmp

Filesize
624KB

Download
memory/4924-9-0x0000000074A03000-0x0000000074A05000-memory.dmp

Filesize
8KB

Download
memory/4924-1-0x00007FFDFCD90000-0x00007FFDFCF85000-memory.dmp

Filesize
2.0MB

Download
memory/4924-10-0x00000000749F0000-0x0000000074B6B000-memory.dmp

Filesize
1.5MB

Download
memory/4924-11-0x00000000749F0000-0x0000000074B6B000-memory.dmp

Filesize
1.5MB

Download
memory/4924-0-0x00000000749F0000-0x0000000074B6B000-memory.dmp

Filesize
1.5MB

Download