asyncrat | a9b07bfc6bb69a5ab92ffa2801adb4aa601b4bd20453275761dce836d5cf183f

General

Target

FICHERO 20200324- DEMANDA LABORAL_PROCESO JUDICIAL/1PROCESO DEMANDA.exe
Size

275KB
MD5

b2d4b1d83945b5787d49a86c4f394e0c
SHA1

334a5c434e5d5d0649f8224e449ca9aaf9ba6816
SHA256

038d7b257b98421ad371189cf51d67f32ddad2de687c443a59ea74e4027bbf04
SHA512

4e92c367991a30d81a718ef26e8e61d24a84d2b54b5d9c6555f319b186ed5bc29d03fb10929bdae4d37c4fe92b3c0be63ee1ed4b287df74af7644e65053222d5
SSDEEP

6144:fONaSHaPlcCgYH9oYAd6q2vACSHaPlcCgYH9oY8HJF:fe969RTHGkIF69RTH6F

Score

10^/10

asyncrat server discovery rat

Malware Config

Extracted

Family

asyncrat

Version

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

Botnet

SERVER

C2

asyfas.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 1556 set thread context of 3604	1556	1PROCESO DEMANDA.exe	92
PID 3604 set thread context of 1436	3604	cmd.exe	105

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1PROCESO DEMANDA.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

pid	Process
1556	1PROCESO DEMANDA.exe
1556	1PROCESO DEMANDA.exe
3604	cmd.exe
3604	cmd.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
1556	1PROCESO DEMANDA.exe
3604	cmd.exe
3604	cmd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1436	MSBuild.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1556 wrote to memory of 3604	1556	1PROCESO DEMANDA.exe	92
PID 1556 wrote to memory of 3604	1556	1PROCESO DEMANDA.exe	92
PID 1556 wrote to memory of 3604	1556	1PROCESO DEMANDA.exe	92
PID 1556 wrote to memory of 3604	1556	1PROCESO DEMANDA.exe	92
PID 3604 wrote to memory of 1436	3604	cmd.exe	105
PID 3604 wrote to memory of 1436	3604	cmd.exe	105
PID 3604 wrote to memory of 1436	3604	cmd.exe	105
PID 3604 wrote to memory of 1436	3604	cmd.exe	105
PID 3604 wrote to memory of 1436	3604	cmd.exe	105

C:\Users\Admin\AppData\Local\Temp\FICHERO 20200324- DEMANDA LABORAL_PROCESO JUDICIAL\1PROCESO DEMANDA.exe
"C:\Users\Admin\AppData\Local\Temp\FICHERO 20200324- DEMANDA LABORAL_PROCESO JUDICIAL\1PROCESO DEMANDA.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1556
- 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:3604
- - 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:1436

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\2a7c868b

Filesize
777KB

MD5
e7979c904715f76a10eddd7f81c60dde

SHA1
8deb167b494f48d5fc69da0a6f60005ebf6a5e72

SHA256
b508c25fb9a28a08e6011b14089c12d771d89c32af9a506c387570deef23c88a

SHA512
b48beb4a274d9c85c5e04a9482a1d0753df8dd21ec332bafcadc885c0b1f4aa2bc45d23c3ce9c27fc27c3075acbe5f00067a688e7dd6f91b0b86e3dcb8d20764

Download Submit
memory/1436-29-0x0000000005440000-0x00000000054DC000-memory.dmp

Filesize
624KB

Download
memory/1436-19-0x0000000073490000-0x00000000746E4000-memory.dmp

Filesize
18.3MB

Download
memory/1436-24-0x0000000074760000-0x0000000074F10000-memory.dmp

Filesize
7.7MB

Download
memory/1436-23-0x00000000003E0000-0x00000000003F6000-memory.dmp

Filesize
88KB

Download
memory/1436-22-0x000000007476E000-0x000000007476F000-memory.dmp

Filesize
4KB

Download
memory/1436-26-0x0000000074760000-0x0000000074F10000-memory.dmp

Filesize
7.7MB

Download
memory/1436-31-0x00000000056C0000-0x0000000005726000-memory.dmp

Filesize
408KB

Download
memory/1436-30-0x0000000005C00000-0x00000000061A4000-memory.dmp

Filesize
5.6MB

Download
memory/1436-25-0x000000007476E000-0x000000007476F000-memory.dmp

Filesize
4KB

Download
memory/1556-1-0x00007FFDAB790000-0x00007FFDAB985000-memory.dmp

Filesize
2.0MB

Download
memory/1556-8-0x0000000075000000-0x000000007517B000-memory.dmp

Filesize
1.5MB

Download
memory/1556-0-0x0000000075000000-0x000000007517B000-memory.dmp

Filesize
1.5MB

Download
memory/1556-9-0x0000000075000000-0x000000007517B000-memory.dmp

Filesize
1.5MB

Download
memory/1556-7-0x0000000075013000-0x0000000075015000-memory.dmp

Filesize
8KB

Download
memory/3604-11-0x0000000075000000-0x000000007517B000-memory.dmp

Filesize
1.5MB

Download
memory/3604-18-0x0000000075000000-0x000000007517B000-memory.dmp

Filesize
1.5MB

Download
memory/3604-16-0x0000000075000000-0x000000007517B000-memory.dmp

Filesize
1.5MB

Download
memory/3604-15-0x0000000075000000-0x000000007517B000-memory.dmp

Filesize
1.5MB

Download
memory/3604-13-0x00007FFDAB790000-0x00007FFDAB985000-memory.dmp

Filesize
2.0MB

Download

Analysis

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