asyncrat | 8a08eeb43c705dbe5ed5c2ae23b9c54c04d708feb0aa330c72d4da16444e4135

Analysis

max time kernel
150s
max time network
151s
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, 13:32

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General

Target
8a08eeb43c705dbe5ed5c2ae23b9c54c04d708feb0aa330c72d4da16444e4135.exe
Size 45KB
Sample260821-qs3mjsvwhy
SHA256 8a08eeb43c705dbe5ed5c2ae23b9c54c04d708feb0aa330c72d4da16444e4135
MD5 400b688c05daa2e1be8d29f7e7c1ab01
SHA1 4b287388a88111ad45ed7cf2a434b4ea0c433963
SHA512 829f7bfed85211c9cd22384c2c51e2944dbd0a7507b515c7892b91b58604c64d921eb2936b5ee4e84f6025e070f897d7b1eb78e30a0143cfbcd51aba4cfcbb1d
SSDEEP 768:cuq04JTLcsP8EWUmOTymo2qACLiE02FjMdjYkkmPITzjbBgX3iyVMpMXSd1OQm42:cuqNJTLr62yL9wQPT3buXSJi4j1dUx
TLSH
T1A9232A003BE9812BF2BE4F74A9F26245867AF6633603D54E1C8451DB5B13FC68A126FD
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
nanocore.e.streamforester.name:80
nanocore.e.streamforester.name:22
nanocore.e.streamforester.name:8080
nanocore.e.streamforester.name:8880
nanocore.e.streamforester.name:2052
nanocore.e.streamforester.name:2082
nanocore.e.streamforester.name:2086
nanocore.e.streamforester.name:2095
nanocore.e.streamforester.name:443
nanocore.e.streamforester.name:2053
nanocore.e.streamforester.name:2083
nanocore.e.streamforester.name:2087
nanocore.e.streamforester.name:2096
nanocore.e.streamforester.name:8443
agenttesla.e.streamforester.name:80
agenttesla.e.streamforester.name:22
agenttesla.e.streamforester.name:8080
agenttesla.e.streamforester.name:8880
agenttesla.e.streamforester.name:2052
agenttesla.e.streamforester.name:2082
agenttesla.e.streamforester.name:2086
agenttesla.e.streamforester.name:2095
agenttesla.e.streamforester.name:443
agenttesla.e.streamforester.name:2053
agenttesla.e.streamforester.name:2083
agenttesla.e.streamforester.name:2087
agenttesla.e.streamforester.name:2096
agenttesla.e.streamforester.name:8443
clop.e.streamforester.name:80
clop.e.streamforester.name:22
clop.e.streamforester.name:8080
clop.e.streamforester.name:8880
clop.e.streamforester.name:2052
clop.e.streamforester.name:2082
clop.e.streamforester.name:2086
clop.e.streamforester.name:2095
clop.e.streamforester.name:443
clop.e.streamforester.name:2053
clop.e.streamforester.name:2083
clop.e.streamforester.name:2087
clop.e.streamforester.name:2096
clop.e.streamforester.name:8443

Mutex

VsJVRkK3NxfY

Attributes

delay
0
install
true
install_file
k6e5.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/0x000d00000001c58e-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
5648	k6e5.exe
3600	k6e5.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	10	104.26.4.5:22
SSH destination	13	172.67.70.147:22
SSH destination	8	104.26.5.5:22

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
3660	cmd.exe
1492	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	8a08eeb43c705dbe5ed5c2ae23b9c54c04d708feb0aa330c72d4da16444e4135.exe
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	k6e5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	k6e5.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
5848	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
4304	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
4512	8a08eeb43c705dbe5ed5c2ae23b9c54c04d708feb0aa330c72d4da16444e4135.exe
4512	8a08eeb43c705dbe5ed5c2ae23b9c54c04d708feb0aa330c72d4da16444e4135.exe
4512	8a08eeb43c705dbe5ed5c2ae23b9c54c04d708feb0aa330c72d4da16444e4135.exe
4512	8a08eeb43c705dbe5ed5c2ae23b9c54c04d708feb0aa330c72d4da16444e4135.exe
4512	8a08eeb43c705dbe5ed5c2ae23b9c54c04d708feb0aa330c72d4da16444e4135.exe
4512	8a08eeb43c705dbe5ed5c2ae23b9c54c04d708feb0aa330c72d4da16444e4135.exe
4512	8a08eeb43c705dbe5ed5c2ae23b9c54c04d708feb0aa330c72d4da16444e4135.exe
4512	8a08eeb43c705dbe5ed5c2ae23b9c54c04d708feb0aa330c72d4da16444e4135.exe
4512	8a08eeb43c705dbe5ed5c2ae23b9c54c04d708feb0aa330c72d4da16444e4135.exe
4512	8a08eeb43c705dbe5ed5c2ae23b9c54c04d708feb0aa330c72d4da16444e4135.exe
4512	8a08eeb43c705dbe5ed5c2ae23b9c54c04d708feb0aa330c72d4da16444e4135.exe
4512	8a08eeb43c705dbe5ed5c2ae23b9c54c04d708feb0aa330c72d4da16444e4135.exe
4512	8a08eeb43c705dbe5ed5c2ae23b9c54c04d708feb0aa330c72d4da16444e4135.exe
4512	8a08eeb43c705dbe5ed5c2ae23b9c54c04d708feb0aa330c72d4da16444e4135.exe
4512	8a08eeb43c705dbe5ed5c2ae23b9c54c04d708feb0aa330c72d4da16444e4135.exe
4512	8a08eeb43c705dbe5ed5c2ae23b9c54c04d708feb0aa330c72d4da16444e4135.exe
4512	8a08eeb43c705dbe5ed5c2ae23b9c54c04d708feb0aa330c72d4da16444e4135.exe
4512	8a08eeb43c705dbe5ed5c2ae23b9c54c04d708feb0aa330c72d4da16444e4135.exe
4512	8a08eeb43c705dbe5ed5c2ae23b9c54c04d708feb0aa330c72d4da16444e4135.exe
4512	8a08eeb43c705dbe5ed5c2ae23b9c54c04d708feb0aa330c72d4da16444e4135.exe
4512	8a08eeb43c705dbe5ed5c2ae23b9c54c04d708feb0aa330c72d4da16444e4135.exe
4512	8a08eeb43c705dbe5ed5c2ae23b9c54c04d708feb0aa330c72d4da16444e4135.exe
4512	8a08eeb43c705dbe5ed5c2ae23b9c54c04d708feb0aa330c72d4da16444e4135.exe
4512	8a08eeb43c705dbe5ed5c2ae23b9c54c04d708feb0aa330c72d4da16444e4135.exe
4512	8a08eeb43c705dbe5ed5c2ae23b9c54c04d708feb0aa330c72d4da16444e4135.exe
4512	8a08eeb43c705dbe5ed5c2ae23b9c54c04d708feb0aa330c72d4da16444e4135.exe
4512	8a08eeb43c705dbe5ed5c2ae23b9c54c04d708feb0aa330c72d4da16444e4135.exe
4512	8a08eeb43c705dbe5ed5c2ae23b9c54c04d708feb0aa330c72d4da16444e4135.exe
4512	8a08eeb43c705dbe5ed5c2ae23b9c54c04d708feb0aa330c72d4da16444e4135.exe
4512	8a08eeb43c705dbe5ed5c2ae23b9c54c04d708feb0aa330c72d4da16444e4135.exe
4512	8a08eeb43c705dbe5ed5c2ae23b9c54c04d708feb0aa330c72d4da16444e4135.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4512	8a08eeb43c705dbe5ed5c2ae23b9c54c04d708feb0aa330c72d4da16444e4135.exe
Token: SeDebugPrivilege	5648	k6e5.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4512 wrote to memory of 3660	4512	8a08eeb43c705dbe5ed5c2ae23b9c54c04d708feb0aa330c72d4da16444e4135.exe	89
PID 4512 wrote to memory of 1492	4512	8a08eeb43c705dbe5ed5c2ae23b9c54c04d708feb0aa330c72d4da16444e4135.exe	91
PID 3660 wrote to memory of 4304	3660	cmd.exe	93
PID 1492 wrote to memory of 5848	1492	cmd.exe	94
PID 1492 wrote to memory of 3600	1492	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\8a08eeb43c705dbe5ed5c2ae23b9c54c04d708feb0aa330c72d4da16444e4135.exe
"C:\Users\Admin\AppData\Local\Temp\8a08eeb43c705dbe5ed5c2ae23b9c54c04d708feb0aa330c72d4da16444e4135.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4512
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "k6e5" /tr '"C:\Users\Admin\AppData\Roaming\k6e5.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3660
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "k6e5" /tr '"C:\Users\Admin\AppData\Roaming\k6e5.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4304
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp3A31.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1492
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:5848
- - C:\Users\Admin\AppData\Roaming\k6e5.exe
    "C:\Users\Admin\AppData\Roaming\k6e5.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3600

C:\Users\Admin\AppData\Roaming\k6e5.exe
"C:\Users\Admin\AppData\Roaming\k6e5.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:5648

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

tmp3A31.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp3A31.tmp.bat
Size 148B
SHA256 65a93ebc851c9bf0765215e8fa1ddff271f7010b2423d9275618c35f2b04e897
MD5 0feffa69054d74a28e0635e5bdc15e71
SHA1 836f9847e937ca57d77a66d009587cd590f7f1ad
SHA512 25e87ecf7a0da5a766b79ad62e2cdc1ec0d7a98f0a7d28d6642e3b92e7255617bbdf1fbc2e9616fe5b903fee90babec21fd15a5b22055f929678fa31e88b363b
TLSH
T12EC02B4256CAEE6E2C0534A302FEE48C92736C1A3F40BB01C304C00D23C0C49F8DD346
MD5 SHA1 SHA512 TLSH

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k6e5.exe

Path C:\Users\Admin\AppData\Roaming\k6e5.exe
Size 45KB
SHA256 8a08eeb43c705dbe5ed5c2ae23b9c54c04d708feb0aa330c72d4da16444e4135
MD5 400b688c05daa2e1be8d29f7e7c1ab01
SHA1 4b287388a88111ad45ed7cf2a434b4ea0c433963
SHA512 829f7bfed85211c9cd22384c2c51e2944dbd0a7507b515c7892b91b58604c64d921eb2936b5ee4e84f6025e070f897d7b1eb78e30a0143cfbcd51aba4cfcbb1d
SSDEEP 768:cuq04JTLcsP8EWUmOTymo2qACLiE02FjMdjYkkmPITzjbBgX3iyVMpMXSd1OQm42:cuqNJTLr62yL9wQPT3buXSJi4j1dUx
TLSH
T1A9232A003BE9812BF2BE4F74A9F26245867AF6633603D54E1C8451DB5B13FC68A126FD
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/4512-0-0x0000000074CB2000-0x0000000074CB3000-memory.dmp

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memory/4512-1-0x0000000000C90000-0x0000000000CA2000-memory.dmp

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memory/4512-2-0x0000000074CA0000-0x000000007545C000-memory.dmp

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memory/4512-3-0x00000000056D0000-0x000000000576C000-memory.dmp

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memory/4512-9-0x0000000074CA0000-0x000000007545C000-memory.dmp

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memory/5648-12-0x0000000074C90000-0x000000007544C000-memory.dmp

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memory/5648-14-0x0000000074C90000-0x000000007544C000-memory.dmp

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