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 1624 set thread context of 2564	1624	1PROCESO DEMANDA.exe	29
PID 2564 set thread context of 976	2564	cmd.exe	31

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
1624	1PROCESO DEMANDA.exe
1624	1PROCESO DEMANDA.exe
2564	cmd.exe
2564	cmd.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
1624	1PROCESO DEMANDA.exe
2564	cmd.exe
2564	cmd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	976	MSBuild.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1624 wrote to memory of 2564	1624	1PROCESO DEMANDA.exe	29
PID 1624 wrote to memory of 2564	1624	1PROCESO DEMANDA.exe	29
PID 1624 wrote to memory of 2564	1624	1PROCESO DEMANDA.exe	29
PID 1624 wrote to memory of 2564	1624	1PROCESO DEMANDA.exe	29
PID 1624 wrote to memory of 2564	1624	1PROCESO DEMANDA.exe	29
PID 2564 wrote to memory of 976	2564	cmd.exe	31
PID 2564 wrote to memory of 976	2564	cmd.exe	31
PID 2564 wrote to memory of 976	2564	cmd.exe	31
PID 2564 wrote to memory of 976	2564	cmd.exe	31
PID 2564 wrote to memory of 976	2564	cmd.exe	31
PID 2564 wrote to memory of 976	2564	cmd.exe	31

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:1624
- 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:2564
- - 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:976

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\CabB4D0.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\fe5f633

Filesize
777KB

MD5
6dbc84546e7e556b4a055f2ab209cf65

SHA1
2e514c76b335e81308b94772129ac72e9e41be2a

SHA256
bd8888ff7791396fa692d03fc7b3f240839dffe0a11cf8932137837752b7d0dc

SHA512
e14ef345b100047c51db4ba62cf3be2224e285c6ccca1684d4cf70fee1f607971835354cdc3ea91a10434a1464f929a7897afe7d0ec98dac2bd2aed9283feef2

Download Submit
memory/976-69-0x0000000073E8E000-0x0000000073E8F000-memory.dmp

Filesize
4KB

Download
memory/976-70-0x0000000073E80000-0x000000007456E000-memory.dmp

Filesize
6.9MB

Download
memory/976-67-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/976-68-0x0000000073E80000-0x000000007456E000-memory.dmp

Filesize
6.9MB

Download
memory/976-64-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/976-65-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/976-62-0x00000000727D0000-0x0000000073832000-memory.dmp

Filesize
16.4MB

Download
memory/976-66-0x0000000073E8E000-0x0000000073E8F000-memory.dmp

Filesize
4KB

Download
memory/1624-8-0x0000000074720000-0x0000000074894000-memory.dmp

Filesize
1.5MB

Download
memory/1624-9-0x0000000074720000-0x0000000074894000-memory.dmp

Filesize
1.5MB

Download
memory/1624-0-0x0000000074720000-0x0000000074894000-memory.dmp

Filesize
1.5MB

Download
memory/1624-7-0x0000000074733000-0x0000000074735000-memory.dmp

Filesize
8KB

Download
memory/1624-1-0x0000000077250000-0x00000000773F9000-memory.dmp

Filesize
1.7MB

Download
memory/2564-11-0x0000000074720000-0x0000000074894000-memory.dmp

Filesize
1.5MB

Download
memory/2564-63-0x0000000074720000-0x0000000074894000-memory.dmp

Filesize
1.5MB

Download
memory/2564-59-0x0000000074720000-0x0000000074894000-memory.dmp

Filesize
1.5MB

Download
memory/2564-60-0x0000000074720000-0x0000000074894000-memory.dmp

Filesize
1.5MB

Download
memory/2564-13-0x0000000077250000-0x00000000773F9000-memory.dmp

Filesize
1.7MB

Download

Analysis

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