asyncrat | 4652fb01feff52c38002dc70f6183f2f9d9d8a97a25cb1b3796bb231613c6efa

Analysis

max time kernel
148s
max time network
149s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
21/08/2026, 14:56

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General

Target
4652fb01feff52c38002dc70f6183f2f9d9d8a97a25cb1b3796bb231613c6efa.exe
Size 45KB
Sample260821-sa685ascnd
SHA256 4652fb01feff52c38002dc70f6183f2f9d9d8a97a25cb1b3796bb231613c6efa
MD5 5ac6dfca2716d44914cfa69feda045bf
SHA1 48a513f2f35375602501c2494187fc37aa7c30f7
SHA512 73e78f14ea427d3cae04cb4c0c0f035e1137602f303bd5c906d49d790bad16d00385e80f35b4deff18fa18aea153b1cfe7746665ef244ff969861bdfff2615eb
SSDEEP 768:0u2vpTD4U2ieWUsqfAmo2qj+oopCBK9INJPIZzjb+gX3i9GBzBeDSUmjXQioCdBM:0u2vpTDe+2do6bIwZ3bBXS9OzBCSUdio
TLSH
T100232B003BE8C12BF2BE5F7499F26145467AF6632603D54E2CC412DB5613FC69A42AFE
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

e.streamforester.name:80
e.streamforester.name:22
e.streamforester.name:8080
e.streamforester.name:8880
e.streamforester.name:2052
e.streamforester.name:2082
e.streamforester.name:2086
e.streamforester.name:2095
e.streamforester.name:443
e.streamforester.name:2053
e.streamforester.name:2083
e.streamforester.name:2087
e.streamforester.name:2096
e.streamforester.name:8443
www.e.streamforester.name:80
www.e.streamforester.name:22
www.e.streamforester.name:8080
www.e.streamforester.name:8880
www.e.streamforester.name:2052
www.e.streamforester.name:2082
www.e.streamforester.name:2086
www.e.streamforester.name:2095
www.e.streamforester.name:443
www.e.streamforester.name:2053
www.e.streamforester.name:2083
www.e.streamforester.name:2087
www.e.streamforester.name:2096
www.e.streamforester.name:8443
darkside.e.streamforester.name:80
darkside.e.streamforester.name:22
darkside.e.streamforester.name:8080
darkside.e.streamforester.name:8880
darkside.e.streamforester.name:2052
darkside.e.streamforester.name:2082
darkside.e.streamforester.name:2086
darkside.e.streamforester.name:2095
darkside.e.streamforester.name:443
darkside.e.streamforester.name:2053
darkside.e.streamforester.name:2083
darkside.e.streamforester.name:2087
darkside.e.streamforester.name:2096
darkside.e.streamforester.name:8443
klez.e.streamforester.name:80
klez.e.streamforester.name:22
klez.e.streamforester.name:8080
klez.e.streamforester.name:8880
klez.e.streamforester.name:2052
klez.e.streamforester.name:2082
klez.e.streamforester.name:2086
klez.e.streamforester.name:2095
klez.e.streamforester.name:443
klez.e.streamforester.name:2053
klez.e.streamforester.name:2083
klez.e.streamforester.name:2087
klez.e.streamforester.name:2096
klez.e.streamforester.name:8443
client.e.streamforester.name:80
client.e.streamforester.name:22
client.e.streamforester.name:8080
client.e.streamforester.name:8880
client.e.streamforester.name:2052
client.e.streamforester.name:2082
client.e.streamforester.name:2086
client.e.streamforester.name:2095
client.e.streamforester.name:443
client.e.streamforester.name:2053
client.e.streamforester.name:2083
client.e.streamforester.name:2087
client.e.streamforester.name:2096
client.e.streamforester.name:8443

Mutex

tOHlVz7x2rcC

Attributes

delay
0
install
true
install_file
24n9urv.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/0x001000000001c3f1-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
2972	24n9urv.exe
4668	24n9urv.exe

Outbound SSH connection to public host 2 TTPs 3 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	8	104.26.5.5:22
SSH destination	9	172.67.70.147:22
SSH destination	11	104.26.4.5:22

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
4464	cmd.exe
2580	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	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	24n9urv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	24n9urv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4652fb01feff52c38002dc70f6183f2f9d9d8a97a25cb1b3796bb231613c6efa.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
1224	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
976	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
4220	4652fb01feff52c38002dc70f6183f2f9d9d8a97a25cb1b3796bb231613c6efa.exe
4220	4652fb01feff52c38002dc70f6183f2f9d9d8a97a25cb1b3796bb231613c6efa.exe
4220	4652fb01feff52c38002dc70f6183f2f9d9d8a97a25cb1b3796bb231613c6efa.exe
4220	4652fb01feff52c38002dc70f6183f2f9d9d8a97a25cb1b3796bb231613c6efa.exe
4220	4652fb01feff52c38002dc70f6183f2f9d9d8a97a25cb1b3796bb231613c6efa.exe
4220	4652fb01feff52c38002dc70f6183f2f9d9d8a97a25cb1b3796bb231613c6efa.exe
4220	4652fb01feff52c38002dc70f6183f2f9d9d8a97a25cb1b3796bb231613c6efa.exe
4220	4652fb01feff52c38002dc70f6183f2f9d9d8a97a25cb1b3796bb231613c6efa.exe
4220	4652fb01feff52c38002dc70f6183f2f9d9d8a97a25cb1b3796bb231613c6efa.exe
4220	4652fb01feff52c38002dc70f6183f2f9d9d8a97a25cb1b3796bb231613c6efa.exe
4220	4652fb01feff52c38002dc70f6183f2f9d9d8a97a25cb1b3796bb231613c6efa.exe
4220	4652fb01feff52c38002dc70f6183f2f9d9d8a97a25cb1b3796bb231613c6efa.exe
4220	4652fb01feff52c38002dc70f6183f2f9d9d8a97a25cb1b3796bb231613c6efa.exe
4220	4652fb01feff52c38002dc70f6183f2f9d9d8a97a25cb1b3796bb231613c6efa.exe
4220	4652fb01feff52c38002dc70f6183f2f9d9d8a97a25cb1b3796bb231613c6efa.exe
4220	4652fb01feff52c38002dc70f6183f2f9d9d8a97a25cb1b3796bb231613c6efa.exe
4220	4652fb01feff52c38002dc70f6183f2f9d9d8a97a25cb1b3796bb231613c6efa.exe
4220	4652fb01feff52c38002dc70f6183f2f9d9d8a97a25cb1b3796bb231613c6efa.exe
4220	4652fb01feff52c38002dc70f6183f2f9d9d8a97a25cb1b3796bb231613c6efa.exe
4220	4652fb01feff52c38002dc70f6183f2f9d9d8a97a25cb1b3796bb231613c6efa.exe
4220	4652fb01feff52c38002dc70f6183f2f9d9d8a97a25cb1b3796bb231613c6efa.exe
4220	4652fb01feff52c38002dc70f6183f2f9d9d8a97a25cb1b3796bb231613c6efa.exe
4220	4652fb01feff52c38002dc70f6183f2f9d9d8a97a25cb1b3796bb231613c6efa.exe
4220	4652fb01feff52c38002dc70f6183f2f9d9d8a97a25cb1b3796bb231613c6efa.exe
4220	4652fb01feff52c38002dc70f6183f2f9d9d8a97a25cb1b3796bb231613c6efa.exe
4220	4652fb01feff52c38002dc70f6183f2f9d9d8a97a25cb1b3796bb231613c6efa.exe
4220	4652fb01feff52c38002dc70f6183f2f9d9d8a97a25cb1b3796bb231613c6efa.exe
4220	4652fb01feff52c38002dc70f6183f2f9d9d8a97a25cb1b3796bb231613c6efa.exe
4220	4652fb01feff52c38002dc70f6183f2f9d9d8a97a25cb1b3796bb231613c6efa.exe
4220	4652fb01feff52c38002dc70f6183f2f9d9d8a97a25cb1b3796bb231613c6efa.exe
4220	4652fb01feff52c38002dc70f6183f2f9d9d8a97a25cb1b3796bb231613c6efa.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4220	4652fb01feff52c38002dc70f6183f2f9d9d8a97a25cb1b3796bb231613c6efa.exe
Token: SeDebugPrivilege	2972	24n9urv.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4220 wrote to memory of 2580	4220	4652fb01feff52c38002dc70f6183f2f9d9d8a97a25cb1b3796bb231613c6efa.exe	89
PID 4220 wrote to memory of 4464	4220	4652fb01feff52c38002dc70f6183f2f9d9d8a97a25cb1b3796bb231613c6efa.exe	91
PID 4464 wrote to memory of 1224	4464	cmd.exe	93
PID 2580 wrote to memory of 976	2580	cmd.exe	94
PID 4464 wrote to memory of 4668	4464	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\4652fb01feff52c38002dc70f6183f2f9d9d8a97a25cb1b3796bb231613c6efa.exe
"C:\Users\Admin\AppData\Local\Temp\4652fb01feff52c38002dc70f6183f2f9d9d8a97a25cb1b3796bb231613c6efa.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4220
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "24n9urv" /tr '"C:\Users\Admin\AppData\Roaming\24n9urv.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2580
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "24n9urv" /tr '"C:\Users\Admin\AppData\Roaming\24n9urv.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:976
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp18D.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4464
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:1224
- - C:\Users\Admin\AppData\Roaming\24n9urv.exe
    "C:\Users\Admin\AppData\Roaming\24n9urv.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4668

C:\Users\Admin\AppData\Roaming\24n9urv.exe
"C:\Users\Admin\AppData\Roaming\24n9urv.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2972

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

tmp18D.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp18D.tmp.bat
Size 150B
SHA256 0831338cd65608df71314ff87d6159813a70cc6070b372f09eb64e2427e8206e
MD5 0d6fced5798c49c7888c2d1cb13c8b35
SHA1 a2e4c4603d2610c680d44ae2bf9d8b5fa1f05d9f
SHA512 83f7c1cda0563b1c393611658774c5419040f450f1ff42d991e6d44c426d2ed8e2f410ea6f2b84d286ed7e5dea9fc602f7cebafee96a92f5de02a36176ad397d
TLSH
T1C5C02B9352C6EA1F280B245302FAD89CB2727C2D3F44BF00C304800D268044DF0D9345
MD5 SHA1 SHA512 TLSH

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24n9urv.exe

Path C:\Users\Admin\AppData\Roaming\24n9urv.exe
Size 45KB
SHA256 4652fb01feff52c38002dc70f6183f2f9d9d8a97a25cb1b3796bb231613c6efa
MD5 5ac6dfca2716d44914cfa69feda045bf
SHA1 48a513f2f35375602501c2494187fc37aa7c30f7
SHA512 73e78f14ea427d3cae04cb4c0c0f035e1137602f303bd5c906d49d790bad16d00385e80f35b4deff18fa18aea153b1cfe7746665ef244ff969861bdfff2615eb
SSDEEP 768:0u2vpTD4U2ieWUsqfAmo2qj+oopCBK9INJPIZzjb+gX3i9GBzBeDSUmjXQioCdBM:0u2vpTDe+2do6bIwZ3bBXS9OzBCSUdio
TLSH
T100232B003BE8C12BF2BE5F7499F26145467AF6632603D54E2CC412DB5613FC69A42AFE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2972-12-0x0000000074D50000-0x000000007550C000-memory.dmp

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memory/2972-14-0x0000000074D50000-0x000000007550C000-memory.dmp

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memory/4220-0-0x0000000074D62000-0x0000000074D63000-memory.dmp

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memory/4220-1-0x0000000000360000-0x0000000000372000-memory.dmp

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memory/4220-2-0x0000000074D50000-0x000000007550C000-memory.dmp

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memory/4220-3-0x0000000004D60000-0x0000000004DFC000-memory.dmp

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memory/4220-9-0x0000000074D50000-0x000000007550C000-memory.dmp

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