asyncrat | 6ef61a3b1b4081588c352a4036050e58057295bf830cae5bdf7a5be7b88db37e

Analysis

max time kernel
148s
max time network
144s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260629-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
05/07/2026, 12:35

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General

Target
AsyncRAT.exe
Size 56KB
Sample260705-psfbkscv6y
SHA256 6ef61a3b1b4081588c352a4036050e58057295bf830cae5bdf7a5be7b88db37e
MD5 6f2d4a3920074d316515c72651164af1
SHA1 44f2ecd36ce898fa82c759b08908ee13b8fbe58a
SHA512 b4d011c8b25b3c0d96e5c17883d3fe76aef477517834b0ea8877df103a050f02bd91df2d376a13c10af4e7b07ba8496f6b496bd489fa13391709c91ac21f6c76
SSDEEP 1536:2uf09TH2w240YikbeXSrol5AjdNkejNUHLTq:2ufoTH2w2pYikbewm5MDkINmq
TLSH
T12B436C003BE98227F2BE4BB8ACF26145467AF2637603D54D2CC451DB5723BC6DA426F9
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

default defense_evasion discovery execution asyncrat persistence rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

luck8-mobi.net:443
luck8-mobi.net:8848
luck8-mobi.net:8080

Mutex

XQUGLXmKei9m

Attributes

delay
3
install
true
install_file
AsyncRat.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/0x000d00000001c663-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
2096	AsyncRat.exe
6208	AsyncRat.exe

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 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AsyncRat.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AsyncRat.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AsyncRAT.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
3284	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
5876	schtasks.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
6076	AsyncRAT.exe
6076	AsyncRAT.exe
6076	AsyncRAT.exe
6076	AsyncRAT.exe
6076	AsyncRAT.exe
6076	AsyncRAT.exe
6076	AsyncRAT.exe
6076	AsyncRAT.exe
6076	AsyncRAT.exe
6076	AsyncRAT.exe
6076	AsyncRAT.exe
6076	AsyncRAT.exe
6076	AsyncRAT.exe
6076	AsyncRAT.exe
6076	AsyncRAT.exe
6076	AsyncRAT.exe
6076	AsyncRAT.exe
6076	AsyncRAT.exe
6076	AsyncRAT.exe
6076	AsyncRAT.exe
6076	AsyncRAT.exe
6076	AsyncRAT.exe
6076	AsyncRAT.exe
6076	AsyncRAT.exe
6076	AsyncRAT.exe
6076	AsyncRAT.exe
6076	AsyncRAT.exe
6076	AsyncRAT.exe
6076	AsyncRAT.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	6076	AsyncRAT.exe
Token: SeDebugPrivilege	2096	AsyncRat.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 6076 wrote to memory of 2828	6076	AsyncRAT.exe	89
PID 6076 wrote to memory of 3388	6076	AsyncRAT.exe	91
PID 2828 wrote to memory of 5876	2828	cmd.exe	93
PID 3388 wrote to memory of 3284	3388	cmd.exe	94
PID 3388 wrote to memory of 6208	3388	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\AsyncRAT.exe
"C:\Users\Admin\AppData\Local\Temp\AsyncRAT.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:6076
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "AsyncRat" /tr '"C:\Users\Admin\AppData\Roaming\AsyncRat.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2828
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "AsyncRat" /tr '"C:\Users\Admin\AppData\Roaming\AsyncRat.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:5876
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpB1B7.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3388
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:3284
- - C:\Users\Admin\AppData\Roaming\AsyncRat.exe
    "C:\Users\Admin\AppData\Roaming\AsyncRat.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:6208

C:\Users\Admin\AppData\Roaming\AsyncRat.exe
"C:\Users\Admin\AppData\Roaming\AsyncRat.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2096

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

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

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

tmpB1B7.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpB1B7.tmp.bat
Size 152B
SHA256 3ec590eef4afc81c9573c6004bff768ac76ce2bc5647f9765f15ae4a8d881b50
MD5 959deb8486b40b13fcc656573b623af9
SHA1 a039b19230429c2ea440e092e80eaf9c500b5095
SHA512 e020eb96ecd4be393ae30cb8bfbcc372d7c5b19c89456118286355d8b01b4780f15ef0eefd9be838ef802e19df52d528d80608be2f4c9bea3c0d68340818e533
TLSH
T111C02B5392C5EB1F2C05341313FADC8C9577AC5D3F40BB40C30844AD5280A8CF4E9345
MD5 SHA1 SHA512 TLSH

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AsyncRat.exe

Path C:\Users\Admin\AppData\Roaming\AsyncRat.exe
Size 56KB
SHA256 6ef61a3b1b4081588c352a4036050e58057295bf830cae5bdf7a5be7b88db37e
MD5 6f2d4a3920074d316515c72651164af1
SHA1 44f2ecd36ce898fa82c759b08908ee13b8fbe58a
SHA512 b4d011c8b25b3c0d96e5c17883d3fe76aef477517834b0ea8877df103a050f02bd91df2d376a13c10af4e7b07ba8496f6b496bd489fa13391709c91ac21f6c76
SSDEEP 1536:2uf09TH2w240YikbeXSrol5AjdNkejNUHLTq:2ufoTH2w2pYikbewm5MDkINmq
TLSH
T12B436C003BE98227F2BE4BB8ACF26145467AF2637603D54D2CC451DB5723BC6DA426F9
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2096-12-0x00000000745F0000-0x0000000074DAC000-memory.dmp

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memory/2096-14-0x00000000745F0000-0x0000000074DAC000-memory.dmp

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memory/6076-0-0x0000000074602000-0x0000000074603000-memory.dmp

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memory/6076-1-0x0000000000320000-0x0000000000334000-memory.dmp

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memory/6076-2-0x00000000745F0000-0x0000000074DAC000-memory.dmp

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memory/6076-3-0x0000000004E20000-0x0000000004EBC000-memory.dmp

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memory/6076-9-0x00000000745F0000-0x0000000074DAC000-memory.dmp

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