asyncrat | 519f3ceedba4471f3d5178451c1007911145fb6eaf4e259a2c29b8e3483dabb1

General

Target

file.exe
Size

63KB
MD5

9eb074e0713a33f7a6e499b0fbf2484c
SHA1

132ca59a5fb654c3d0794f92f05eaf43e3a7af94
SHA256

519f3ceedba4471f3d5178451c1007911145fb6eaf4e259a2c29b8e3483dabb1
SHA512

367fbbf6f058ef21367e329c8b0373d482c9c97dfbb42a67b17c9b1dc1d0139ae879c8ddb87b0960c5545746610d2c5690343abb458818c2dea9dbca66f39794
SSDEEP

1536:JKh54k58k/GWZOKuvUYFgF4yY5biArLdcKgtiCrITGFx:JK/4k58kAKuvUYFgF4yY5bikcltiCOGx

Score

10^/10

asyncrat solarafake discovery rat

Malware Config

Extracted

Family

asyncrat

Version

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

Botnet

SolaraFake

C2

anyone-blogging.gl.at.ply.gg:22284

Mutex

AsyncMutex_6SI8OkPnk

Attributes

delay
3
install
true
install_file
Windows.exe
install_folder
%Temp%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat

Async RAT payload 1 IoCs

rat

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\Windows.exe	family_asyncrat

Executes dropped EXE 1 IoCs

Processes:

Windows.exe

pid process

2640 Windows.exe
Loads dropped DLL 1 IoCs

Processes:

cmd.exe

pid process

2396 cmd.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2640	Windows.exe

pid	process
2396	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 6 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:

Windows.exefile.execmd.execmd.exetimeout.exeschtasks.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Windows.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	file.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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	schtasks.exe

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

1984 timeout.exe
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence execution

Scheduled Task
T1053.005

Processes:

schtasks.exe

pid process

1860 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

file.exe

pid process

2996 file.exe
2996 file.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

file.exeWindows.exe

description pid process

Token: SeDebugPrivilege 2996 file.exe
Token: SeDebugPrivilege 2640 Windows.exe

pid	process
1984	timeout.exe

pid	process
1860	schtasks.exe

pid	process
2996	file.exe
2996	file.exe

description	pid	process
Token: SeDebugPrivilege	2996	file.exe
Token: SeDebugPrivilege	2640	Windows.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

file.execmd.execmd.exe

description	pid	process	target process
PID 2996 wrote to memory of 1972	2996	file.exe	cmd.exe
PID 2996 wrote to memory of 1972	2996	file.exe	cmd.exe
PID 2996 wrote to memory of 1972	2996	file.exe	cmd.exe
PID 2996 wrote to memory of 1972	2996	file.exe	cmd.exe
PID 2996 wrote to memory of 2396	2996	file.exe	cmd.exe
PID 2996 wrote to memory of 2396	2996	file.exe	cmd.exe
PID 2996 wrote to memory of 2396	2996	file.exe	cmd.exe
PID 2996 wrote to memory of 2396	2996	file.exe	cmd.exe
PID 2396 wrote to memory of 1984	2396	cmd.exe	timeout.exe
PID 2396 wrote to memory of 1984	2396	cmd.exe	timeout.exe
PID 2396 wrote to memory of 1984	2396	cmd.exe	timeout.exe
PID 2396 wrote to memory of 1984	2396	cmd.exe	timeout.exe
PID 1972 wrote to memory of 1860	1972	cmd.exe	schtasks.exe
PID 1972 wrote to memory of 1860	1972	cmd.exe	schtasks.exe
PID 1972 wrote to memory of 1860	1972	cmd.exe	schtasks.exe
PID 1972 wrote to memory of 1860	1972	cmd.exe	schtasks.exe
PID 2396 wrote to memory of 2640	2396	cmd.exe	Windows.exe
PID 2396 wrote to memory of 2640	2396	cmd.exe	Windows.exe
PID 2396 wrote to memory of 2640	2396	cmd.exe	Windows.exe
PID 2396 wrote to memory of 2640	2396	cmd.exe	Windows.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2996

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Windows" /tr '"C:\Users\Admin\AppData\Local\Temp\Windows.exe"' & exit
2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1972

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn "Windows" /tr '"C:\Users\Admin\AppData\Local\Temp\Windows.exe"'
3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1860

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpC64B.tmp.bat""
2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2396

C:\Windows\SysWOW64\timeout.exe
timeout 3
3⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:1984

C:\Users\Admin\AppData\Local\Temp\Windows.exe
"C:\Users\Admin\AppData\Local\Temp\Windows.exe"
3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2640

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

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\Windows.exe

Filesize
63KB

MD5
9eb074e0713a33f7a6e499b0fbf2484c

SHA1
132ca59a5fb654c3d0794f92f05eaf43e3a7af94

SHA256
519f3ceedba4471f3d5178451c1007911145fb6eaf4e259a2c29b8e3483dabb1

SHA512
367fbbf6f058ef21367e329c8b0373d482c9c97dfbb42a67b17c9b1dc1d0139ae879c8ddb87b0960c5545746610d2c5690343abb458818c2dea9dbca66f39794

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC64B.tmp.bat

Filesize
154B

MD5
500d35030f582103de17cc8c0224e6f0

SHA1
02497a0a2457533d203e0fa424946be50702ac9e

SHA256
199252a64958502a5f06dce87be6c133cbf84575c3ae314a731584cbb6231423

SHA512
7d4884797cada9b8cf440a07f8a68b6f1726056290f8bff113ffb8befeefd528ecc181c88ab3f8b9c1ca15fe4d37f4ce9f81f19e009d9b9b6693439e2994d56b

Download Submit
memory/2640-16-0x00000000000C0000-0x00000000000D6000-memory.dmp

Filesize
88KB

Download
memory/2996-0-0x000000007454E000-0x000000007454F000-memory.dmp

Filesize
4KB

Download
memory/2996-1-0x0000000000C10000-0x0000000000C26000-memory.dmp

Filesize
88KB

Download
memory/2996-2-0x0000000074540000-0x0000000074C2E000-memory.dmp

Filesize
6.9MB

Download
memory/2996-12-0x0000000074540000-0x0000000074C2E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads