asyncrat | 980cc0171311901b113f1c0f4c5e255aaff4aaa2c1ccfb0ea0a4806d6669b1e2

Analysis

max time kernel
117s
max time network
148s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-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 2952 set thread context of 2800	2952	1 PROCESO_AUDIENCIA.exe	cmd.exe
PID 2800 set thread context of 1004	2800	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.exe1 PROCESO_AUDIENCIA.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	1 PROCESO_AUDIENCIA.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

1 PROCESO_AUDIENCIA.execmd.exe

pid process

2952 1 PROCESO_AUDIENCIA.exe
2952 1 PROCESO_AUDIENCIA.exe
2800 cmd.exe
2800 cmd.exe
Suspicious behavior: MapViewOfSection 3 IoCs

Processes:

1 PROCESO_AUDIENCIA.execmd.exe

pid process

2952 1 PROCESO_AUDIENCIA.exe
2800 cmd.exe
2800 cmd.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

MSBuild.exe

description pid process

Token: SeDebugPrivilege 1004 MSBuild.exe

pid	process
2952	1 PROCESO_AUDIENCIA.exe
2952	1 PROCESO_AUDIENCIA.exe
2800	cmd.exe
2800	cmd.exe

pid	process
2952	1 PROCESO_AUDIENCIA.exe
2800	cmd.exe
2800	cmd.exe

description	pid	process
Token: SeDebugPrivilege	1004	MSBuild.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

1 PROCESO_AUDIENCIA.execmd.exe

description	pid	process	target process
PID 2952 wrote to memory of 2800	2952	1 PROCESO_AUDIENCIA.exe	cmd.exe
PID 2952 wrote to memory of 2800	2952	1 PROCESO_AUDIENCIA.exe	cmd.exe
PID 2952 wrote to memory of 2800	2952	1 PROCESO_AUDIENCIA.exe	cmd.exe
PID 2952 wrote to memory of 2800	2952	1 PROCESO_AUDIENCIA.exe	cmd.exe
PID 2952 wrote to memory of 2800	2952	1 PROCESO_AUDIENCIA.exe	cmd.exe
PID 2800 wrote to memory of 1004	2800	cmd.exe	MSBuild.exe
PID 2800 wrote to memory of 1004	2800	cmd.exe	MSBuild.exe
PID 2800 wrote to memory of 1004	2800	cmd.exe	MSBuild.exe
PID 2800 wrote to memory of 1004	2800	cmd.exe	MSBuild.exe
PID 2800 wrote to memory of 1004	2800	cmd.exe	MSBuild.exe
PID 2800 wrote to memory of 1004	2800	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:2952

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:2800

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:1004

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\2d09c15e

Filesize
777KB

MD5
b0fef09a519f5677edc20f9eee7ae03c

SHA1
799cd6943de46b47dc67ae897998396ebada87dc

SHA256
39c046ea4fd5da675891a82c1cea366cd6f0ab66472c57716cec99ae2d11ee83

SHA512
b893f2ae190c7634bd153ad3d189e6b224dd05e20a092379c513bf0fbec354191248088f0b25d2c320af78c38992f1a6dec36a0ba18a7f55518c5b014fc75031

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabAA55.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
memory/1004-66-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/1004-68-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1004-64-0x0000000072650000-0x00000000736B2000-memory.dmp

Filesize
16.4MB

Download
memory/1004-67-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2800-62-0x0000000074640000-0x00000000747B4000-memory.dmp

Filesize
1.5MB

Download
memory/2800-15-0x00000000770D0000-0x0000000077279000-memory.dmp

Filesize
1.7MB

Download
memory/2800-61-0x0000000074640000-0x00000000747B4000-memory.dmp

Filesize
1.5MB

Download
memory/2800-65-0x0000000074640000-0x00000000747B4000-memory.dmp

Filesize
1.5MB

Download
memory/2800-13-0x0000000074640000-0x00000000747B4000-memory.dmp

Filesize
1.5MB

Download
memory/2952-0-0x0000000074640000-0x00000000747B4000-memory.dmp

Filesize
1.5MB

Download
memory/2952-11-0x0000000074640000-0x00000000747B4000-memory.dmp

Filesize
1.5MB

Download
memory/2952-10-0x0000000074640000-0x00000000747B4000-memory.dmp

Filesize
1.5MB

Download
memory/2952-9-0x0000000074653000-0x0000000074655000-memory.dmp

Filesize
8KB

Download
memory/2952-1-0x00000000770D0000-0x0000000077279000-memory.dmp

Filesize
1.7MB

Download