asyncrat | 5a47a9d3dbb16c5926f4a4a20dfc5b7d66a517ce257c74bf94efa7d543e4d467

General

Target

00898-ENVIO COPIA DE LA NOTIFICACION ELECTRONICA/02 LEER NOTIFICACION ELECTRONIA.exe
Size

1.2MB
MD5

f778e9136ab0db9de9802a7043de50a7
SHA1

850dca074534a14fdb9ada6afaceea88558764e0
SHA256

90803a583e9f693de5e7b8a196832436f6f648b27fb82e55904c256f30cc8b3a
SHA512

cd6c5c3537f05ad5826d503e38b8e6ef2eaf668616bec15ba51ad3d81e0337a72779d7ca6af9e8ebee12d713891b30c0b73bf34718552bc9f4e7d8909b998156
SSDEEP

24576:+heavSigvk0vhkzswHD4/V3OQdnYKYc4wXUyuy1:qP710vezrj4dJYFYUyuy1

Score

10^/10

asyncrat default discovery rat

Malware Config

Extracted

Family

asyncrat

Version

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

Botnet

Default

C2

ansy21oct.duckdns.org:1415

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

Suspicious use of SetThreadContext 2 IoCs

Processes:

02 LEER NOTIFICACION ELECTRONIA.execmd.exe

description	pid	process	target process
PID 4764 set thread context of 2440	4764	02 LEER NOTIFICACION ELECTRONIA.exe	cmd.exe
PID 2440 set thread context of 4812	2440	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 5 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.execmd.exetimeout.exe02 LEER NOTIFICACION ELECTRONIA.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	02 LEER NOTIFICACION ELECTRONIA.exe

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

4460 timeout.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

02 LEER NOTIFICACION ELECTRONIA.execmd.exe

pid process

4764 02 LEER NOTIFICACION ELECTRONIA.exe
4764 02 LEER NOTIFICACION ELECTRONIA.exe
2440 cmd.exe
2440 cmd.exe
Suspicious behavior: MapViewOfSection 3 IoCs

Processes:

02 LEER NOTIFICACION ELECTRONIA.execmd.exe

pid process

4764 02 LEER NOTIFICACION ELECTRONIA.exe
2440 cmd.exe
2440 cmd.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

MSBuild.exe

description pid process

Token: SeDebugPrivilege 4812 MSBuild.exe

pid	process
4460	timeout.exe

pid	process
4764	02 LEER NOTIFICACION ELECTRONIA.exe
4764	02 LEER NOTIFICACION ELECTRONIA.exe
2440	cmd.exe
2440	cmd.exe

pid	process
4764	02 LEER NOTIFICACION ELECTRONIA.exe
2440	cmd.exe
2440	cmd.exe

description	pid	process
Token: SeDebugPrivilege	4812	MSBuild.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

02 LEER NOTIFICACION ELECTRONIA.execmd.exeMSBuild.execmd.exe

description	pid	process	target process
PID 4764 wrote to memory of 2440	4764	02 LEER NOTIFICACION ELECTRONIA.exe	cmd.exe
PID 4764 wrote to memory of 2440	4764	02 LEER NOTIFICACION ELECTRONIA.exe	cmd.exe
PID 4764 wrote to memory of 2440	4764	02 LEER NOTIFICACION ELECTRONIA.exe	cmd.exe
PID 4764 wrote to memory of 2440	4764	02 LEER NOTIFICACION ELECTRONIA.exe	cmd.exe
PID 2440 wrote to memory of 4812	2440	cmd.exe	MSBuild.exe
PID 2440 wrote to memory of 4812	2440	cmd.exe	MSBuild.exe
PID 2440 wrote to memory of 4812	2440	cmd.exe	MSBuild.exe
PID 2440 wrote to memory of 4812	2440	cmd.exe	MSBuild.exe
PID 2440 wrote to memory of 4812	2440	cmd.exe	MSBuild.exe
PID 4812 wrote to memory of 5116	4812	MSBuild.exe	cmd.exe
PID 4812 wrote to memory of 5116	4812	MSBuild.exe	cmd.exe
PID 4812 wrote to memory of 5116	4812	MSBuild.exe	cmd.exe
PID 5116 wrote to memory of 4460	5116	cmd.exe	timeout.exe
PID 5116 wrote to memory of 4460	5116	cmd.exe	timeout.exe
PID 5116 wrote to memory of 4460	5116	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\00898-ENVIO COPIA DE LA NOTIFICACION ELECTRONICA\02 LEER NOTIFICACION ELECTRONIA.exe
"C:\Users\Admin\AppData\Local\Temp\00898-ENVIO COPIA DE LA NOTIFICACION ELECTRONICA\02 LEER NOTIFICACION ELECTRONIA.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4764

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:2440

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
- Suspicious use of WriteProcessMemory
PID:4812

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp353.tmp.bat""
4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5116

C:\Windows\SysWOW64\timeout.exe
timeout 3
5⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:4460

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\231cb2bc

Filesize
777KB

MD5
df6227ef226b17de139625c6969e72b4

SHA1
b0a44c64f874ec226398e5e0615519cca50d8daa

SHA256
41f36f5ed3aa9d24614df31b52f44083a4b020178dcb48197e579d6c97d83028

SHA512
87f200d19c45f0b6a7e37730649805c8abb091f93c58c4666d0516d2bff291442c5930565cb00c1ee9d56a56213ec3c1768f8eb0ac40d05586e6bcbdaac1b1c5

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp353.tmp.bat

Filesize
170B

MD5
d6b143fd1c6892e07fde1dbe04bcb715

SHA1
2c85e5b1126fce4bf6d2f20632f95a6f0b619285

SHA256
ef14c5dff431fe57721ab478cb3ec7ed8bdb9d5797ef0c91835125d6debba888

SHA512
ec66fb7120cfb78976ce44c99b1a5bde9a690dc86ad3537225c6a258a947530e0c1a826eb834287dedfbee8ac5af03a6c7f2a543845d06b4b63af607623f7515

Download Submit
memory/2440-13-0x0000000074A70000-0x0000000074BED000-memory.dmp

Filesize
1.5MB

Download
memory/2440-15-0x00007FF9E6C40000-0x00007FF9E6E49000-memory.dmp

Filesize
2.0MB

Download
memory/2440-18-0x0000000074A70000-0x0000000074BED000-memory.dmp

Filesize
1.5MB

Download
memory/2440-19-0x0000000074A70000-0x0000000074BED000-memory.dmp

Filesize
1.5MB

Download
memory/2440-21-0x0000000074A70000-0x0000000074BED000-memory.dmp

Filesize
1.5MB

Download
memory/4764-0-0x0000000074A70000-0x0000000074BED000-memory.dmp

Filesize
1.5MB

Download
memory/4764-1-0x00007FF9E6C40000-0x00007FF9E6E49000-memory.dmp

Filesize
2.0MB

Download
memory/4764-9-0x0000000074A83000-0x0000000074A85000-memory.dmp

Filesize
8KB

Download
memory/4764-10-0x0000000074A70000-0x0000000074BED000-memory.dmp

Filesize
1.5MB

Download
memory/4764-11-0x0000000074A70000-0x0000000074BED000-memory.dmp

Filesize
1.5MB

Download
memory/4812-25-0x0000000072CAE000-0x0000000072CAF000-memory.dmp

Filesize
4KB

Download
memory/4812-32-0x0000000072CAE000-0x0000000072CAF000-memory.dmp

Filesize
4KB

Download
memory/4812-27-0x0000000072CA0000-0x0000000073451000-memory.dmp

Filesize
7.7MB

Download
memory/4812-28-0x00000000057E0000-0x000000000587C000-memory.dmp

Filesize
624KB

Download
memory/4812-29-0x0000000005E30000-0x00000000063D6000-memory.dmp

Filesize
5.6MB

Download
memory/4812-30-0x00000000058F0000-0x0000000005956000-memory.dmp

Filesize
408KB

Download
memory/4812-31-0x00000000063E0000-0x00000000064E2000-memory.dmp

Filesize
1.0MB

Download
memory/4812-26-0x0000000000C10000-0x0000000000C26000-memory.dmp

Filesize
88KB

Download
memory/4812-33-0x0000000072CA0000-0x0000000073451000-memory.dmp

Filesize
7.7MB

Download
memory/4812-34-0x0000000005D60000-0x0000000005DD6000-memory.dmp

Filesize
472KB

Download
memory/4812-35-0x0000000005AE0000-0x0000000005B04000-memory.dmp

Filesize
144KB

Download
memory/4812-36-0x0000000006A70000-0x0000000006A8E000-memory.dmp

Filesize
120KB

Download
memory/4812-22-0x0000000073460000-0x0000000074777000-memory.dmp

Filesize
19.1MB

Download
memory/4812-41-0x0000000072CA0000-0x0000000073451000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads