asyncrat | 5b2a05906ff572e549045705094c53db33346ddf34daf902d9427f1f17ffa96e

Analysis

max time kernel
6s
max time network
145s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
04/08/2026, 10:18

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General

Target
5b2a05906ff572e549045705094c53db33346ddf34daf902d9427f1f17ffa96e.exe
Size 45KB
Sample260804-mb8wfshd94
SHA256 5b2a05906ff572e549045705094c53db33346ddf34daf902d9427f1f17ffa96e
MD5 198cce5f509412677e986d5a1517f888
SHA1 a11d6d806ba7680b255cc289dd23db5470d6aeb5
SHA512 4cb4152645589c103771155af2682b635e5222eff566bdeff3796b48840edb35ebb1fc325d7d8d2bca8f1dc3c9c87cccfcda70528b1c48c16e8d7e16e4cdbbf1
SSDEEP 768:cuR0JTPUYkEWUmjWymo2q1N8V1RpPEcPIMzjbOgX3iw7D5rfq5Xw1DhSzzBDZUx:cuR0JTPjY2+8VDZEhM3bxXSwvFfqw1D/
TLSH
T17D232C003BE9823BF2BE4F78ACF26145867AF2633603D64A1CC451DB5613FC696426ED
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

default command_and_control defense_evasion discovery execution asyncrat persistence rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

vnsextop1.com:80
vnsextop1.com:22
vnsextop1.com:8080
vnsextop1.com:8880
vnsextop1.com:2052
vnsextop1.com:2082
vnsextop1.com:2086
vnsextop1.com:2095
vnsextop1.com:443
vnsextop1.com:2053
vnsextop1.com:2083
vnsextop1.com:2087
vnsextop1.com:2096
vnsextop1.com:8443
www.vnsextop1.com:80
www.vnsextop1.com:22
www.vnsextop1.com:8080
www.vnsextop1.com:8880
www.vnsextop1.com:2052
www.vnsextop1.com:2082
www.vnsextop1.com:2086
www.vnsextop1.com:2095
www.vnsextop1.com:443
www.vnsextop1.com:2053
www.vnsextop1.com:2083
www.vnsextop1.com:2087
www.vnsextop1.com:2096
www.vnsextop1.com:8443
malware.vnsextop1.com:80
malware.vnsextop1.com:22
malware.vnsextop1.com:8080
malware.vnsextop1.com:8880
malware.vnsextop1.com:2052
malware.vnsextop1.com:2082
malware.vnsextop1.com:2086
malware.vnsextop1.com:2095
malware.vnsextop1.com:443
malware.vnsextop1.com:2053
malware.vnsextop1.com:2083
malware.vnsextop1.com:2087
malware.vnsextop1.com:2096
malware.vnsextop1.com:8443
gh0st.vnsextop1.com:80
gh0st.vnsextop1.com:22
gh0st.vnsextop1.com:8080
gh0st.vnsextop1.com:8880
gh0st.vnsextop1.com:2052
gh0st.vnsextop1.com:2082
gh0st.vnsextop1.com:2086
gh0st.vnsextop1.com:2095
gh0st.vnsextop1.com:443
gh0st.vnsextop1.com:2053
gh0st.vnsextop1.com:2083
gh0st.vnsextop1.com:2087
gh0st.vnsextop1.com:2096
gh0st.vnsextop1.com:8443
hack.vnsextop1.com:80
hack.vnsextop1.com:22
hack.vnsextop1.com:8080
hack.vnsextop1.com:8880
hack.vnsextop1.com:2052
hack.vnsextop1.com:2082
hack.vnsextop1.com:2086
hack.vnsextop1.com:2095
hack.vnsextop1.com:443
hack.vnsextop1.com:2053
hack.vnsextop1.com:2083
hack.vnsextop1.com:2087
hack.vnsextop1.com:2096
hack.vnsextop1.com:8443

Mutex

CaRECnx361Df

Attributes

delay
0
install
true
install_file
06ou.exe
install_folder
%AppData%

aes.plain

Signatures

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

Async RAT payload 1 IoCs

rat

resource	yara_rule
behavioral2/files/0x001900000001c45d-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
4932	06ou.exe
580	06ou.exe

Outbound SSH connection to public host 2 TTPs 1 IoCs

SSH is used for remote access. This may indicate SSH host discovery, encrypted C2 traffic, or data exfiltration.

command_and_control

Protocol Tunneling

T1572

Network Service Discovery

T1046

description	flow	ioc
SSH destination	16	185.100.234.69:22

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

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 2 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
2244	cmd.exe
1936	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 7 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	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	06ou.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	06ou.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5b2a05906ff572e549045705094c53db33346ddf34daf902d9427f1f17ffa96e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
5140	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

pid	Process
2504	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
5960	5b2a05906ff572e549045705094c53db33346ddf34daf902d9427f1f17ffa96e.exe
5960	5b2a05906ff572e549045705094c53db33346ddf34daf902d9427f1f17ffa96e.exe
5960	5b2a05906ff572e549045705094c53db33346ddf34daf902d9427f1f17ffa96e.exe
5960	5b2a05906ff572e549045705094c53db33346ddf34daf902d9427f1f17ffa96e.exe
5960	5b2a05906ff572e549045705094c53db33346ddf34daf902d9427f1f17ffa96e.exe
5960	5b2a05906ff572e549045705094c53db33346ddf34daf902d9427f1f17ffa96e.exe
5960	5b2a05906ff572e549045705094c53db33346ddf34daf902d9427f1f17ffa96e.exe
5960	5b2a05906ff572e549045705094c53db33346ddf34daf902d9427f1f17ffa96e.exe
5960	5b2a05906ff572e549045705094c53db33346ddf34daf902d9427f1f17ffa96e.exe
5960	5b2a05906ff572e549045705094c53db33346ddf34daf902d9427f1f17ffa96e.exe
5960	5b2a05906ff572e549045705094c53db33346ddf34daf902d9427f1f17ffa96e.exe
5960	5b2a05906ff572e549045705094c53db33346ddf34daf902d9427f1f17ffa96e.exe
5960	5b2a05906ff572e549045705094c53db33346ddf34daf902d9427f1f17ffa96e.exe
5960	5b2a05906ff572e549045705094c53db33346ddf34daf902d9427f1f17ffa96e.exe
5960	5b2a05906ff572e549045705094c53db33346ddf34daf902d9427f1f17ffa96e.exe
5960	5b2a05906ff572e549045705094c53db33346ddf34daf902d9427f1f17ffa96e.exe
5960	5b2a05906ff572e549045705094c53db33346ddf34daf902d9427f1f17ffa96e.exe
5960	5b2a05906ff572e549045705094c53db33346ddf34daf902d9427f1f17ffa96e.exe
5960	5b2a05906ff572e549045705094c53db33346ddf34daf902d9427f1f17ffa96e.exe
5960	5b2a05906ff572e549045705094c53db33346ddf34daf902d9427f1f17ffa96e.exe
5960	5b2a05906ff572e549045705094c53db33346ddf34daf902d9427f1f17ffa96e.exe
5960	5b2a05906ff572e549045705094c53db33346ddf34daf902d9427f1f17ffa96e.exe
5960	5b2a05906ff572e549045705094c53db33346ddf34daf902d9427f1f17ffa96e.exe
5960	5b2a05906ff572e549045705094c53db33346ddf34daf902d9427f1f17ffa96e.exe
5960	5b2a05906ff572e549045705094c53db33346ddf34daf902d9427f1f17ffa96e.exe
5960	5b2a05906ff572e549045705094c53db33346ddf34daf902d9427f1f17ffa96e.exe
5960	5b2a05906ff572e549045705094c53db33346ddf34daf902d9427f1f17ffa96e.exe
5960	5b2a05906ff572e549045705094c53db33346ddf34daf902d9427f1f17ffa96e.exe
5960	5b2a05906ff572e549045705094c53db33346ddf34daf902d9427f1f17ffa96e.exe
5960	5b2a05906ff572e549045705094c53db33346ddf34daf902d9427f1f17ffa96e.exe
5960	5b2a05906ff572e549045705094c53db33346ddf34daf902d9427f1f17ffa96e.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5960	5b2a05906ff572e549045705094c53db33346ddf34daf902d9427f1f17ffa96e.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 5960 wrote to memory of 2244	5960	5b2a05906ff572e549045705094c53db33346ddf34daf902d9427f1f17ffa96e.exe	89
PID 5960 wrote to memory of 1936	5960	5b2a05906ff572e549045705094c53db33346ddf34daf902d9427f1f17ffa96e.exe	91
PID 1936 wrote to memory of 5140	1936	cmd.exe	93
PID 2244 wrote to memory of 2504	2244	cmd.exe	94
PID 1936 wrote to memory of 580	1936	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\5b2a05906ff572e549045705094c53db33346ddf34daf902d9427f1f17ffa96e.exe
"C:\Users\Admin\AppData\Local\Temp\5b2a05906ff572e549045705094c53db33346ddf34daf902d9427f1f17ffa96e.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5960
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "06ou" /tr '"C:\Users\Admin\AppData\Roaming\06ou.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2244
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "06ou" /tr '"C:\Users\Admin\AppData\Roaming\06ou.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2504
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp32AF.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1936
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:5140
- - C:\Users\Admin\AppData\Roaming\06ou.exe
    "C:\Users\Admin\AppData\Roaming\06ou.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:580

C:\Users\Admin\AppData\Roaming\06ou.exe
"C:\Users\Admin\AppData\Roaming\06ou.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4932

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Network Service Discovery

T1046

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Protocol Tunneling

T1572

Exfiltration

Impact

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Downloads

tmp32AF.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp32AF.tmp.bat
Size 148B
SHA256 5ae5a8016504f89ff6e4279c94bc71278f59abd41b35c0779f670806be31d2e2
MD5 4ed0081f3b2896f35cae1617633e29e0
SHA1 3846385964127964c097925a8490ed446a45d490
SHA512 2403d399182588ac4a821a6942899d86bd3b63d65172a72ded57e9e947768922e692ab085598b33317f774bea36af72002c101f80faa2b11a07bb44389a6f592
TLSH
T1E3C02B4251C5EE1F2D0D141307FAD48CA1726C593F40BB50C304805DE2C0C88F0D9341
MD5 SHA1 SHA512 TLSH

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06ou.exe

Path C:\Users\Admin\AppData\Roaming\06ou.exe
Size 45KB
SHA256 5b2a05906ff572e549045705094c53db33346ddf34daf902d9427f1f17ffa96e
MD5 198cce5f509412677e986d5a1517f888
SHA1 a11d6d806ba7680b255cc289dd23db5470d6aeb5
SHA512 4cb4152645589c103771155af2682b635e5222eff566bdeff3796b48840edb35ebb1fc325d7d8d2bca8f1dc3c9c87cccfcda70528b1c48c16e8d7e16e4cdbbf1
SSDEEP 768:cuR0JTPUYkEWUmjWymo2q1N8V1RpPEcPIMzjbOgX3iw7D5rfq5Xw1DhSzzBDZUx:cuR0JTPjY2+8VDZEhM3bxXSwvFfqw1D/
TLSH
T17D232C003BE9823BF2BE4F78ACF26145867AF2633603D64A1CC451DB5613FC696426ED
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/4932-12-0x0000000075020000-0x00000000757DC000-memory.dmp

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memory/4932-14-0x0000000075020000-0x00000000757DC000-memory.dmp

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memory/5960-0-0x0000000075032000-0x0000000075033000-memory.dmp

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memory/5960-1-0x0000000000FE0000-0x0000000000FF2000-memory.dmp

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memory/5960-2-0x0000000075020000-0x00000000757DC000-memory.dmp

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memory/5960-3-0x0000000005A80000-0x0000000005B1C000-memory.dmp

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memory/5960-9-0x0000000075020000-0x00000000757DC000-memory.dmp

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