asyncrat | 9a53898c19872bb21ba431b3601e7b1899e23769fb476d81cf8d839dd33f738c

Analysis

max time kernel
148s
max time network
147s
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, 15:18

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General

Target
RAT.exe
Size 56KB
Sample260804-sp4fsatbmb
SHA256 9a53898c19872bb21ba431b3601e7b1899e23769fb476d81cf8d839dd33f738c
MD5 03f2be3af45930d9fd459047e2f43819
SHA1 757d76b53f2a877ae482d7f5db183e199487d847
SHA512 df9ff49155dbb83c8ced6e261294279121ef5c102827fc1fcb080d19114009a363824afa304a581b6991a7ce7c38417784520f32ea998626f9448c0628ba35f6
SSDEEP 1536:auskdTsnb2SlVJj+bSXSG4mLf/NN3amsdJkejNUHLTq:ausITsnb2eTj+bSGi/3aZXkINmq
TLSH
T1DE436C0037E9812AF1BE4F78ADF2214586BAE2677603D54D2CC851CB5613FC6DA426FE
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

pitstopmanagement.com:443
pitstopmanagement.com:8848
pitstopmanagement.com:8080

Mutex

kBVPjakHQ19X

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/0x001b00000001c343-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
3260	AsyncRat.exe
1008	AsyncRat.exe

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
3024	cmd.exe
5884	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	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	RAT.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
3364	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
4440	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
3000	RAT.exe
3000	RAT.exe
3000	RAT.exe
3000	RAT.exe
3000	RAT.exe
3000	RAT.exe
3000	RAT.exe
3000	RAT.exe
3000	RAT.exe
3000	RAT.exe
3000	RAT.exe
3000	RAT.exe
3000	RAT.exe
3000	RAT.exe
3000	RAT.exe
3000	RAT.exe
3000	RAT.exe
3000	RAT.exe
3000	RAT.exe
3000	RAT.exe
3000	RAT.exe
3000	RAT.exe
3000	RAT.exe
3000	RAT.exe
3000	RAT.exe
3000	RAT.exe
3000	RAT.exe
3000	RAT.exe
3000	RAT.exe
3000	RAT.exe
3000	RAT.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3000	RAT.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3000 wrote to memory of 3024	3000	RAT.exe	89
PID 3000 wrote to memory of 5884	3000	RAT.exe	91
PID 3024 wrote to memory of 4440	3024	cmd.exe	93
PID 5884 wrote to memory of 3364	5884	cmd.exe	94
PID 5884 wrote to memory of 1008	5884	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\RAT.exe
"C:\Users\Admin\AppData\Local\Temp\RAT.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3000
- 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⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3024
- - 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:4440
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp6D66.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5884
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:3364
- - 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:1008

C:\Users\Admin\AppData\Roaming\AsyncRat.exe
"C:\Users\Admin\AppData\Roaming\AsyncRat.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3260

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

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

tmp6D66.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp6D66.tmp.bat
Size 152B
SHA256 4e669919bb3c549cd9535f232189d933b2515b60b4cc97c5e30912b4ae299ecf
MD5 4f14231c98143c39df9524bc9e034df5
SHA1 165574d10b3f24428f71f12318377eb9225df3b0
SHA512 99f1c9600cc6ec55df1ff693582883dd5ecd3a544ac8d62c92dfa11f987358d0319ffb9db50c771180a498f2d478e622e361e385968e51f01f3c22e266222b28
TLSH
T180C08C4292C9EA1E3C05341312BBD98CA16A6C9A3E44AB50C70845AA128054CE0A9242
MD5 SHA1 SHA512 TLSH

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AsyncRat.exe

Path C:\Users\Admin\AppData\Roaming\AsyncRat.exe
Size 56KB
SHA256 9a53898c19872bb21ba431b3601e7b1899e23769fb476d81cf8d839dd33f738c
MD5 03f2be3af45930d9fd459047e2f43819
SHA1 757d76b53f2a877ae482d7f5db183e199487d847
SHA512 df9ff49155dbb83c8ced6e261294279121ef5c102827fc1fcb080d19114009a363824afa304a581b6991a7ce7c38417784520f32ea998626f9448c0628ba35f6
SSDEEP 1536:auskdTsnb2SlVJj+bSXSG4mLf/NN3amsdJkejNUHLTq:ausITsnb2eTj+bSGi/3aZXkINmq
TLSH
T1DE436C0037E9812AF1BE4F78ADF2214586BAE2677603D54D2CC851CB5613FC6DA426FE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/3000-0-0x00000000747D2000-0x00000000747D3000-memory.dmp

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memory/3000-1-0x00000000009B0000-0x00000000009C4000-memory.dmp

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memory/3000-2-0x00000000747C0000-0x0000000074F7C000-memory.dmp

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memory/3000-3-0x00000000054E0000-0x000000000557C000-memory.dmp

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memory/3000-8-0x00000000747C0000-0x0000000074F7C000-memory.dmp

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memory/3260-12-0x0000000074650000-0x0000000074E0C000-memory.dmp

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memory/3260-14-0x0000000074650000-0x0000000074E0C000-memory.dmp

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