asyncrat | 980cc0171311901b113f1c0f4c5e255aaff4aaa2c1ccfb0ea0a4806d6669b1e2

Analysis

max time kernel
49s
max time network
71s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-10-2024 09:21

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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 2796 set thread context of 2316	2796	1 PROCESO_AUDIENCIA.exe	cmd.exe
PID 2316 set thread context of 2252	2316	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:

1 PROCESO_AUDIENCIA.execmd.exeMSBuild.exe

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

1 PROCESO_AUDIENCIA.execmd.exe

pid process

2796 1 PROCESO_AUDIENCIA.exe
2796 1 PROCESO_AUDIENCIA.exe
2316 cmd.exe
2316 cmd.exe
Suspicious behavior: MapViewOfSection 3 IoCs

Processes:

1 PROCESO_AUDIENCIA.execmd.exe

pid process

2796 1 PROCESO_AUDIENCIA.exe
2316 cmd.exe
2316 cmd.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

MSBuild.exe

description pid process

Token: SeDebugPrivilege 2252 MSBuild.exe

pid	process
2796	1 PROCESO_AUDIENCIA.exe
2796	1 PROCESO_AUDIENCIA.exe
2316	cmd.exe
2316	cmd.exe

pid	process
2796	1 PROCESO_AUDIENCIA.exe
2316	cmd.exe
2316	cmd.exe

description	pid	process
Token: SeDebugPrivilege	2252	MSBuild.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

1 PROCESO_AUDIENCIA.execmd.exe

description	pid	process	target process
PID 2796 wrote to memory of 2316	2796	1 PROCESO_AUDIENCIA.exe	cmd.exe
PID 2796 wrote to memory of 2316	2796	1 PROCESO_AUDIENCIA.exe	cmd.exe
PID 2796 wrote to memory of 2316	2796	1 PROCESO_AUDIENCIA.exe	cmd.exe
PID 2796 wrote to memory of 2316	2796	1 PROCESO_AUDIENCIA.exe	cmd.exe
PID 2796 wrote to memory of 2316	2796	1 PROCESO_AUDIENCIA.exe	cmd.exe
PID 2316 wrote to memory of 2252	2316	cmd.exe	MSBuild.exe
PID 2316 wrote to memory of 2252	2316	cmd.exe	MSBuild.exe
PID 2316 wrote to memory of 2252	2316	cmd.exe	MSBuild.exe
PID 2316 wrote to memory of 2252	2316	cmd.exe	MSBuild.exe
PID 2316 wrote to memory of 2252	2316	cmd.exe	MSBuild.exe
PID 2316 wrote to memory of 2252	2316	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:2796

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:2316

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:2252

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\CabB176.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\ebef87eb

Filesize
777KB

MD5
23276e5ef8a7b24b65f12f3a6cdc49fd

SHA1
10659caf63e49a5bada886f3d62803a3901fb6c4

SHA256
ce7e83936c2d090e8a9deffffbf3a07b357aa89f3844a2ba46ecac39f1b830be

SHA512
ba827db979ab5150fc082846b8c0d59caadeed63813831fcf744e34cd79b393f1e70e5801120ec326f4e6aec9fef13f432f7c86c489ee6b93b6b28a983aa68df

Download Submit
memory/2252-68-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2252-64-0x0000000072D40000-0x0000000073DA2000-memory.dmp

Filesize
16.4MB

Download
memory/2252-67-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2252-66-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2316-62-0x0000000074D10000-0x0000000074E84000-memory.dmp

Filesize
1.5MB

Download
memory/2316-15-0x00000000777C0000-0x0000000077969000-memory.dmp

Filesize
1.7MB

Download
memory/2316-61-0x0000000074D10000-0x0000000074E84000-memory.dmp

Filesize
1.5MB

Download
memory/2316-65-0x0000000074D10000-0x0000000074E84000-memory.dmp

Filesize
1.5MB

Download
memory/2316-13-0x0000000074D10000-0x0000000074E84000-memory.dmp

Filesize
1.5MB

Download
memory/2796-0-0x0000000074D10000-0x0000000074E84000-memory.dmp

Filesize
1.5MB

Download
memory/2796-11-0x0000000074D10000-0x0000000074E84000-memory.dmp

Filesize
1.5MB

Download
memory/2796-10-0x0000000074D10000-0x0000000074E84000-memory.dmp

Filesize
1.5MB

Download
memory/2796-9-0x0000000074D23000-0x0000000074D25000-memory.dmp

Filesize
8KB

Download
memory/2796-1-0x00000000777C0000-0x0000000077969000-memory.dmp

Filesize
1.7MB

Download