asyncrat | b821057045d27dd6ce8e14dac6e93d42c9ca47ce1e86390c5d2dac0401d28601

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09-10-2024 02:36

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General

Target

b821057045d27dd6ce8e14dac6e93d42c9ca47ce1e86390c5d2dac0401d28601.exe
Size

2.6MB
MD5

055fd9ae5a0b84c79b61fff3e9b76e30
SHA1

908de6b4a44db71530a64284147219d0c72c8053
SHA256

b821057045d27dd6ce8e14dac6e93d42c9ca47ce1e86390c5d2dac0401d28601
SHA512

09028287595712e36da23b1142fe5d75dbf5f04b94bdcdc9013030ef188fbce3eb05a03ff4ffdd124691389c14923fdf7514f6f9af8f61b66c2754164ae5fc9a
SSDEEP

49152:ykCWb8/7a76JmTVmH6jRwmEQ/E6VUM83Ptvh:KV7KphSpr

Score

10^/10

asyncrat octu discovery persistence rat

Malware Config

Extracted

Family

asyncrat

Version

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

Botnet

OCTU

pruebadenuevonuevo202024202024.duckdns.org:9200

Mutex

CookiesGoogleChrome

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 NtCreateUserProcessOtherParentProcess 1 IoCs

Processes:

b821057045d27dd6ce8e14dac6e93d42c9ca47ce1e86390c5d2dac0401d28601.exe

description pid process target process

PID 4828 created 3448 4828 b821057045d27dd6ce8e14dac6e93d42c9ca47ce1e86390c5d2dac0401d28601.exe Explorer.EXE

description	pid	process	target process
PID 4828 created 3448	4828	b821057045d27dd6ce8e14dac6e93d42c9ca47ce1e86390c5d2dac0401d28601.exe	Explorer.EXE

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

b821057045d27dd6ce8e14dac6e93d42c9ca47ce1e86390c5d2dac0401d28601.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Lrctqgflqpe = "C:\\Users\\Admin\\AppData\\Roaming\\Lrctqgflqpe.exe"	b821057045d27dd6ce8e14dac6e93d42c9ca47ce1e86390c5d2dac0401d28601.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

b821057045d27dd6ce8e14dac6e93d42c9ca47ce1e86390c5d2dac0401d28601.exe

description	pid	process	target process
PID 4828 set thread context of 2632	4828	b821057045d27dd6ce8e14dac6e93d42c9ca47ce1e86390c5d2dac0401d28601.exe	AppLaunch.exe

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

Processes:

b821057045d27dd6ce8e14dac6e93d42c9ca47ce1e86390c5d2dac0401d28601.exeAppLaunch.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b821057045d27dd6ce8e14dac6e93d42c9ca47ce1e86390c5d2dac0401d28601.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AppLaunch.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

b821057045d27dd6ce8e14dac6e93d42c9ca47ce1e86390c5d2dac0401d28601.exeAppLaunch.exe

pid process

4828 b821057045d27dd6ce8e14dac6e93d42c9ca47ce1e86390c5d2dac0401d28601.exe
2632 AppLaunch.exe

pid	process
4828	b821057045d27dd6ce8e14dac6e93d42c9ca47ce1e86390c5d2dac0401d28601.exe
2632	AppLaunch.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

b821057045d27dd6ce8e14dac6e93d42c9ca47ce1e86390c5d2dac0401d28601.exeAppLaunch.exe

description	pid	process
Token: SeDebugPrivilege	4828	b821057045d27dd6ce8e14dac6e93d42c9ca47ce1e86390c5d2dac0401d28601.exe
Token: SeDebugPrivilege	4828	b821057045d27dd6ce8e14dac6e93d42c9ca47ce1e86390c5d2dac0401d28601.exe
Token: SeDebugPrivilege	2632	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

AppLaunch.exe

pid process

2632 AppLaunch.exe

pid	process
2632	AppLaunch.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

b821057045d27dd6ce8e14dac6e93d42c9ca47ce1e86390c5d2dac0401d28601.exe

description	pid	process	target process
PID 4828 wrote to memory of 2632	4828	b821057045d27dd6ce8e14dac6e93d42c9ca47ce1e86390c5d2dac0401d28601.exe	AppLaunch.exe
PID 4828 wrote to memory of 2632	4828	b821057045d27dd6ce8e14dac6e93d42c9ca47ce1e86390c5d2dac0401d28601.exe	AppLaunch.exe
PID 4828 wrote to memory of 2632	4828	b821057045d27dd6ce8e14dac6e93d42c9ca47ce1e86390c5d2dac0401d28601.exe	AppLaunch.exe
PID 4828 wrote to memory of 2632	4828	b821057045d27dd6ce8e14dac6e93d42c9ca47ce1e86390c5d2dac0401d28601.exe	AppLaunch.exe
PID 4828 wrote to memory of 2632	4828	b821057045d27dd6ce8e14dac6e93d42c9ca47ce1e86390c5d2dac0401d28601.exe	AppLaunch.exe
PID 4828 wrote to memory of 2632	4828	b821057045d27dd6ce8e14dac6e93d42c9ca47ce1e86390c5d2dac0401d28601.exe	AppLaunch.exe
PID 4828 wrote to memory of 2632	4828	b821057045d27dd6ce8e14dac6e93d42c9ca47ce1e86390c5d2dac0401d28601.exe	AppLaunch.exe
PID 4828 wrote to memory of 2632	4828	b821057045d27dd6ce8e14dac6e93d42c9ca47ce1e86390c5d2dac0401d28601.exe	AppLaunch.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3448

C:\Users\Admin\AppData\Local\Temp\b821057045d27dd6ce8e14dac6e93d42c9ca47ce1e86390c5d2dac0401d28601.exe
"C:\Users\Admin\AppData\Local\Temp\b821057045d27dd6ce8e14dac6e93d42c9ca47ce1e86390c5d2dac0401d28601.exe"
2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4828

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2632

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2632-1093-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2632-1095-0x0000000075180000-0x0000000075930000-memory.dmp

Filesize
7.7MB

Download
memory/2632-1096-0x0000000075180000-0x0000000075930000-memory.dmp

Filesize
7.7MB

Download
memory/2632-1097-0x0000000005980000-0x0000000005A12000-memory.dmp

Filesize
584KB

Download
memory/2632-1098-0x0000000005B10000-0x0000000005B1A000-memory.dmp

Filesize
40KB

Download
memory/2632-1099-0x0000000075180000-0x0000000075930000-memory.dmp

Filesize
7.7MB

Download
memory/4828-42-0x0000000005820000-0x00000000058FD000-memory.dmp

Filesize
884KB

Download
memory/4828-36-0x0000000005820000-0x00000000058FD000-memory.dmp

Filesize
884KB

Download
memory/4828-3-0x0000000075180000-0x0000000075930000-memory.dmp

Filesize
7.7MB

Download
memory/4828-4-0x0000000005820000-0x0000000005902000-memory.dmp

Filesize
904KB

Download
memory/4828-26-0x0000000005820000-0x00000000058FD000-memory.dmp

Filesize
884KB

Download
memory/4828-16-0x0000000005820000-0x00000000058FD000-memory.dmp

Filesize
884KB

Download
memory/4828-8-0x0000000005820000-0x00000000058FD000-memory.dmp

Filesize
884KB

Download
memory/4828-6-0x0000000005820000-0x00000000058FD000-memory.dmp

Filesize
884KB

Download
memory/4828-62-0x0000000005820000-0x00000000058FD000-memory.dmp

Filesize
884KB

Download
memory/4828-64-0x0000000005820000-0x00000000058FD000-memory.dmp

Filesize
884KB

Download
memory/4828-66-0x0000000005820000-0x00000000058FD000-memory.dmp

Filesize
884KB

Download
memory/4828-68-0x0000000005820000-0x00000000058FD000-memory.dmp

Filesize
884KB

Download
memory/4828-60-0x0000000005820000-0x00000000058FD000-memory.dmp

Filesize
884KB

Download
memory/4828-58-0x0000000005820000-0x00000000058FD000-memory.dmp

Filesize
884KB

Download
memory/4828-56-0x0000000005820000-0x00000000058FD000-memory.dmp

Filesize
884KB

Download
memory/4828-54-0x0000000005820000-0x00000000058FD000-memory.dmp

Filesize
884KB

Download
memory/4828-52-0x0000000005820000-0x00000000058FD000-memory.dmp

Filesize
884KB

Download
memory/4828-48-0x0000000005820000-0x00000000058FD000-memory.dmp

Filesize
884KB

Download
memory/4828-46-0x0000000005820000-0x00000000058FD000-memory.dmp

Filesize
884KB

Download
memory/4828-44-0x0000000005820000-0x00000000058FD000-memory.dmp

Filesize
884KB

Download
memory/4828-1-0x0000000000AD0000-0x0000000000D74000-memory.dmp

Filesize
2.6MB

Download
memory/4828-40-0x0000000005820000-0x00000000058FD000-memory.dmp

Filesize
884KB

Download
memory/4828-38-0x0000000005820000-0x00000000058FD000-memory.dmp

Filesize
884KB

Download
memory/4828-2-0x0000000005730000-0x0000000005814000-memory.dmp

Filesize
912KB

Download
memory/4828-34-0x0000000005820000-0x00000000058FD000-memory.dmp

Filesize
884KB

Download
memory/4828-32-0x0000000005820000-0x00000000058FD000-memory.dmp

Filesize
884KB

Download
memory/4828-30-0x0000000005820000-0x00000000058FD000-memory.dmp

Filesize
884KB

Download
memory/4828-50-0x0000000005820000-0x00000000058FD000-memory.dmp

Filesize
884KB

Download
memory/4828-28-0x0000000005820000-0x00000000058FD000-memory.dmp

Filesize
884KB

Download
memory/4828-24-0x0000000005820000-0x00000000058FD000-memory.dmp

Filesize
884KB

Download
memory/4828-22-0x0000000005820000-0x00000000058FD000-memory.dmp

Filesize
884KB

Download
memory/4828-20-0x0000000005820000-0x00000000058FD000-memory.dmp

Filesize
884KB

Download
memory/4828-18-0x0000000005820000-0x00000000058FD000-memory.dmp

Filesize
884KB

Download
memory/4828-14-0x0000000005820000-0x00000000058FD000-memory.dmp

Filesize
884KB

Download
memory/4828-12-0x0000000005820000-0x00000000058FD000-memory.dmp

Filesize
884KB

Download
memory/4828-10-0x0000000005820000-0x00000000058FD000-memory.dmp

Filesize
884KB

Download
memory/4828-5-0x0000000005820000-0x00000000058FD000-memory.dmp

Filesize
884KB

Download
memory/4828-1079-0x0000000075180000-0x0000000075930000-memory.dmp

Filesize
7.7MB

Download
memory/4828-1080-0x00000000059D0000-0x0000000005A2C000-memory.dmp

Filesize
368KB

Download
memory/4828-1081-0x0000000005A30000-0x0000000005A7C000-memory.dmp

Filesize
304KB

Download
memory/4828-1085-0x0000000075180000-0x0000000075930000-memory.dmp

Filesize
7.7MB

Download
memory/4828-1086-0x0000000075180000-0x0000000075930000-memory.dmp

Filesize
7.7MB

Download
memory/4828-1087-0x0000000075180000-0x0000000075930000-memory.dmp

Filesize
7.7MB

Download
memory/4828-1088-0x000000007518E000-0x000000007518F000-memory.dmp

Filesize
4KB

Download
memory/4828-0-0x000000007518E000-0x000000007518F000-memory.dmp

Filesize
4KB

Download
memory/4828-1089-0x0000000006500000-0x0000000006AA4000-memory.dmp

Filesize
5.6MB

Download
memory/4828-1090-0x0000000005B60000-0x0000000005BB4000-memory.dmp

Filesize
336KB

Download
memory/4828-1094-0x0000000075180000-0x0000000075930000-memory.dmp

Filesize
7.7MB

Download