asyncrat | 03610be28ad34872b178590a309dafb1c7299bab994c2312a8a825657b2d9403

General

Target

OFICIO_DEMANDA_LABORAL_PROCESO_JUDICIAL 4003250112504/1DEMANDA RDO200124.exe
Size

966KB
MD5

e634616d3b445fc1cd55ee79cf5326ea
SHA1

ca27a368d87bc776884322ca996f3b24e20645f4
SHA256

1fcd04fe1a3d519c7d585216b414cd947d16997d77d81a2892821f588c630937
SHA512

7d491c0a97ce60e22238a1a3530f45fbb3c82377b400d7986db09eccad05c9c22fb5daa2b4781882f870ab088326e5f6156613124caa67b54601cbad8f66aa90
SSDEEP

24576:we3xAibB85Z1HrWtB8z1L1OTJu5zzz3zzzozzz3zzzSZ:HxAibBEZ1LWtBzQrZ

Score

10^/10

asyncrat server discovery rat

Malware Config

Extracted

Family

asyncrat

Version

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

Botnet

SERVER

C2

asyys.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
Asyncrat family
asyncrat

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 552 set thread context of 1712	552	1DEMANDA RDO200124.exe	87
PID 1712 set thread context of 4600	1712	cmd.exe	99

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 2 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

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

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
552	1DEMANDA RDO200124.exe
552	1DEMANDA RDO200124.exe
1712	cmd.exe
1712	cmd.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
552	1DEMANDA RDO200124.exe
1712	cmd.exe
1712	cmd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4600	MSBuild.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 552 wrote to memory of 1712	552	1DEMANDA RDO200124.exe	87
PID 552 wrote to memory of 1712	552	1DEMANDA RDO200124.exe	87
PID 552 wrote to memory of 1712	552	1DEMANDA RDO200124.exe	87
PID 552 wrote to memory of 1712	552	1DEMANDA RDO200124.exe	87
PID 1712 wrote to memory of 4600	1712	cmd.exe	99
PID 1712 wrote to memory of 4600	1712	cmd.exe	99
PID 1712 wrote to memory of 4600	1712	cmd.exe	99
PID 1712 wrote to memory of 4600	1712	cmd.exe	99
PID 1712 wrote to memory of 4600	1712	cmd.exe	99

C:\Users\Admin\AppData\Local\Temp\OFICIO_DEMANDA_LABORAL_PROCESO_JUDICIAL 4003250112504\1DEMANDA RDO200124.exe
"C:\Users\Admin\AppData\Local\Temp\OFICIO_DEMANDA_LABORAL_PROCESO_JUDICIAL 4003250112504\1DEMANDA RDO200124.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:552
- 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:1712
- - 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:4600

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\222d61d8

Filesize
777KB

MD5
01ba061321d81ce9e148945a25927259

SHA1
e6afa5ab3b10a6cb0f23a02327f3bd72c55ea8a4

SHA256
0d1a3e6340f737ad39b4b886883776953208f0b24f169bd9d48b63dc5bc43595

SHA512
ee8f7757fb037aa6b2cfe66397a4b4c3611d7e92f9cf36b6a6d213a57a0fd1e8cf832549a6f93155c44a8b7ec5a8fd331247db6c2b4ed86648293ed30e2ad707

Download Submit
memory/552-0-0x00007FFC504A0000-0x00007FFC50612000-memory.dmp

Filesize
1.4MB

Download
memory/552-5-0x00007FFC504B9000-0x00007FFC504BA000-memory.dmp

Filesize
4KB

Download
memory/552-6-0x00007FFC504A0000-0x00007FFC50612000-memory.dmp

Filesize
1.4MB

Download
memory/552-7-0x00007FFC504A0000-0x00007FFC50612000-memory.dmp

Filesize
1.4MB

Download
memory/552-9-0x00007FF6D7930000-0x00007FF6D7A28000-memory.dmp

Filesize
992KB

Download
memory/552-11-0x00007FFC5F070000-0x00007FFC5F325000-memory.dmp

Filesize
2.7MB

Download
memory/552-10-0x00007FFC5FB90000-0x00007FFC5FBC4000-memory.dmp

Filesize
208KB

Download
memory/1712-15-0x00000000750B0000-0x000000007522B000-memory.dmp

Filesize
1.5MB

Download
memory/1712-23-0x00000000750BE000-0x00000000750C0000-memory.dmp

Filesize
8KB

Download
memory/1712-13-0x00007FFC6DD70000-0x00007FFC6DF65000-memory.dmp

Filesize
2.0MB

Download
memory/1712-17-0x00000000750B0000-0x000000007522B000-memory.dmp

Filesize
1.5MB

Download
memory/1712-19-0x00000000750B0000-0x000000007522B000-memory.dmp

Filesize
1.5MB

Download
memory/1712-16-0x00000000750BE000-0x00000000750C0000-memory.dmp

Filesize
8KB

Download
memory/4600-24-0x0000000001170000-0x0000000001186000-memory.dmp

Filesize
88KB

Download
memory/4600-20-0x0000000073630000-0x0000000074884000-memory.dmp

Filesize
18.3MB

Download
memory/4600-25-0x0000000074A90000-0x0000000075240000-memory.dmp

Filesize
7.7MB

Download
memory/4600-26-0x0000000074A90000-0x0000000075240000-memory.dmp

Filesize
7.7MB

Download
memory/4600-29-0x0000000006240000-0x00000000062DC000-memory.dmp

Filesize
624KB

Download
memory/4600-30-0x0000000006890000-0x0000000006E34000-memory.dmp

Filesize
5.6MB

Download
memory/4600-31-0x0000000006350000-0x00000000063B6000-memory.dmp

Filesize
408KB

Download
memory/4600-32-0x0000000074A90000-0x0000000075240000-memory.dmp

Filesize
7.7MB

Download
memory/4600-33-0x0000000074A90000-0x0000000075240000-memory.dmp

Filesize
7.7MB

Download

Analysis

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