asyncrat | 61c66bf6e1be1fb515360b91802cc5709b7810614960564617e4f654687115e6

Analysis

max time kernel
7s
max time network
164s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
16/08/2026, 09:36

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General

Target
61c66bf6e1be1fb515360b91802cc5709b7810614960564617e4f654687115e6.exe
Size 45KB
Sample260816-lkzhpsvbmd
SHA256 61c66bf6e1be1fb515360b91802cc5709b7810614960564617e4f654687115e6
MD5 b02b26cfe09d1303d7df19a134ba6ac9
SHA1 7648de45e6c68da166940eef62bcb8e6530bdad8
SHA512 86876caa5c6b979e06cae522f92bba79818f0eb502c0b768b3ba39130b9a3014557814789dae772184e9763c357dca422257e97c4111e3fdf01be6825b7105e2
SSDEEP 768:8uuSpTg7GBoWUSH6+mo2qYJCHyTtUPI9zjbvgX3iNaf6yVPLL6qsBDZ0x:8uuSpTgyf2Rnj93bYXSNVyVPLLsd0x
TLSH
T176232B003BE8812BF2BE4F7859F262458A7AF5673A03D5891CC441DB5613FC69A426FE
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

ads.zorvec.name:80
ads.zorvec.name:22
ads.zorvec.name:8080
ads.zorvec.name:8880
ads.zorvec.name:2052
ads.zorvec.name:2082
ads.zorvec.name:2086
ads.zorvec.name:2095
ads.zorvec.name:443
ads.zorvec.name:2053
ads.zorvec.name:2083
ads.zorvec.name:2087
ads.zorvec.name:2096
ads.zorvec.name:8443
www.ads.zorvec.name:80
www.ads.zorvec.name:22
www.ads.zorvec.name:8080
www.ads.zorvec.name:8880
www.ads.zorvec.name:2052
www.ads.zorvec.name:2082
www.ads.zorvec.name:2086
www.ads.zorvec.name:2095
www.ads.zorvec.name:443
www.ads.zorvec.name:2053
www.ads.zorvec.name:2083
www.ads.zorvec.name:2087
www.ads.zorvec.name:2096
www.ads.zorvec.name:8443
nanocore.ads.zorvec.name:80
nanocore.ads.zorvec.name:22
nanocore.ads.zorvec.name:8080
nanocore.ads.zorvec.name:8880
nanocore.ads.zorvec.name:2052
nanocore.ads.zorvec.name:2082
nanocore.ads.zorvec.name:2086
nanocore.ads.zorvec.name:2095
nanocore.ads.zorvec.name:443
nanocore.ads.zorvec.name:2053
nanocore.ads.zorvec.name:2083
nanocore.ads.zorvec.name:2087
nanocore.ads.zorvec.name:2096
nanocore.ads.zorvec.name:8443
agenttesla.ads.zorvec.name:80
agenttesla.ads.zorvec.name:22
agenttesla.ads.zorvec.name:8080
agenttesla.ads.zorvec.name:8880
agenttesla.ads.zorvec.name:2052
agenttesla.ads.zorvec.name:2082
agenttesla.ads.zorvec.name:2086
agenttesla.ads.zorvec.name:2095
agenttesla.ads.zorvec.name:443
agenttesla.ads.zorvec.name:2053
agenttesla.ads.zorvec.name:2083
agenttesla.ads.zorvec.name:2087
agenttesla.ads.zorvec.name:2096
agenttesla.ads.zorvec.name:8443
conficker.ads.zorvec.name:80
conficker.ads.zorvec.name:22
conficker.ads.zorvec.name:8080
conficker.ads.zorvec.name:8880
conficker.ads.zorvec.name:2052
conficker.ads.zorvec.name:2082
conficker.ads.zorvec.name:2086
conficker.ads.zorvec.name:2095
conficker.ads.zorvec.name:443
conficker.ads.zorvec.name:2053
conficker.ads.zorvec.name:2083
conficker.ads.zorvec.name:2087
conficker.ads.zorvec.name:2096
conficker.ads.zorvec.name:8443

Mutex

vQArwKCWs76z

Attributes

delay
0
install
true
install_file
hb6133.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/0x000b00000001b87f-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
2472	hb6133.exe
2564	hb6133.exe

Outbound SSH connection to public host 2 TTPs 2 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	14	104.21.28.44:22
SSH destination	15	172.67.144.58:22

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
5916	cmd.exe
5836	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	61c66bf6e1be1fb515360b91802cc5709b7810614960564617e4f654687115e6.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	hb6133.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hb6133.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
4200	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
5004	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
4416	61c66bf6e1be1fb515360b91802cc5709b7810614960564617e4f654687115e6.exe
4416	61c66bf6e1be1fb515360b91802cc5709b7810614960564617e4f654687115e6.exe
4416	61c66bf6e1be1fb515360b91802cc5709b7810614960564617e4f654687115e6.exe
4416	61c66bf6e1be1fb515360b91802cc5709b7810614960564617e4f654687115e6.exe
4416	61c66bf6e1be1fb515360b91802cc5709b7810614960564617e4f654687115e6.exe
4416	61c66bf6e1be1fb515360b91802cc5709b7810614960564617e4f654687115e6.exe
4416	61c66bf6e1be1fb515360b91802cc5709b7810614960564617e4f654687115e6.exe
4416	61c66bf6e1be1fb515360b91802cc5709b7810614960564617e4f654687115e6.exe
4416	61c66bf6e1be1fb515360b91802cc5709b7810614960564617e4f654687115e6.exe
4416	61c66bf6e1be1fb515360b91802cc5709b7810614960564617e4f654687115e6.exe
4416	61c66bf6e1be1fb515360b91802cc5709b7810614960564617e4f654687115e6.exe
4416	61c66bf6e1be1fb515360b91802cc5709b7810614960564617e4f654687115e6.exe
4416	61c66bf6e1be1fb515360b91802cc5709b7810614960564617e4f654687115e6.exe
4416	61c66bf6e1be1fb515360b91802cc5709b7810614960564617e4f654687115e6.exe
4416	61c66bf6e1be1fb515360b91802cc5709b7810614960564617e4f654687115e6.exe
4416	61c66bf6e1be1fb515360b91802cc5709b7810614960564617e4f654687115e6.exe
4416	61c66bf6e1be1fb515360b91802cc5709b7810614960564617e4f654687115e6.exe
4416	61c66bf6e1be1fb515360b91802cc5709b7810614960564617e4f654687115e6.exe
4416	61c66bf6e1be1fb515360b91802cc5709b7810614960564617e4f654687115e6.exe
4416	61c66bf6e1be1fb515360b91802cc5709b7810614960564617e4f654687115e6.exe
4416	61c66bf6e1be1fb515360b91802cc5709b7810614960564617e4f654687115e6.exe
4416	61c66bf6e1be1fb515360b91802cc5709b7810614960564617e4f654687115e6.exe
4416	61c66bf6e1be1fb515360b91802cc5709b7810614960564617e4f654687115e6.exe
4416	61c66bf6e1be1fb515360b91802cc5709b7810614960564617e4f654687115e6.exe
4416	61c66bf6e1be1fb515360b91802cc5709b7810614960564617e4f654687115e6.exe
4416	61c66bf6e1be1fb515360b91802cc5709b7810614960564617e4f654687115e6.exe
4416	61c66bf6e1be1fb515360b91802cc5709b7810614960564617e4f654687115e6.exe
4416	61c66bf6e1be1fb515360b91802cc5709b7810614960564617e4f654687115e6.exe
4416	61c66bf6e1be1fb515360b91802cc5709b7810614960564617e4f654687115e6.exe
4416	61c66bf6e1be1fb515360b91802cc5709b7810614960564617e4f654687115e6.exe
4416	61c66bf6e1be1fb515360b91802cc5709b7810614960564617e4f654687115e6.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4416	61c66bf6e1be1fb515360b91802cc5709b7810614960564617e4f654687115e6.exe
Token: SeDebugPrivilege	2472	hb6133.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4416 wrote to memory of 5836	4416	61c66bf6e1be1fb515360b91802cc5709b7810614960564617e4f654687115e6.exe	89
PID 4416 wrote to memory of 5916	4416	61c66bf6e1be1fb515360b91802cc5709b7810614960564617e4f654687115e6.exe	91
PID 5836 wrote to memory of 5004	5836	cmd.exe	93
PID 5916 wrote to memory of 4200	5916	cmd.exe	94
PID 5916 wrote to memory of 2564	5916	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\61c66bf6e1be1fb515360b91802cc5709b7810614960564617e4f654687115e6.exe
"C:\Users\Admin\AppData\Local\Temp\61c66bf6e1be1fb515360b91802cc5709b7810614960564617e4f654687115e6.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4416
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "hb6133" /tr '"C:\Users\Admin\AppData\Roaming\hb6133.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5836
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "hb6133" /tr '"C:\Users\Admin\AppData\Roaming\hb6133.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:5004
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp4C9F.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5916
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4200
- - C:\Users\Admin\AppData\Roaming\hb6133.exe
    "C:\Users\Admin\AppData\Roaming\hb6133.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2564

C:\Users\Admin\AppData\Roaming\hb6133.exe
"C:\Users\Admin\AppData\Roaming\hb6133.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2472

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

tmp4C9F.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp4C9F.tmp.bat
Size 150B
SHA256 d1479d4911a82e896a6b46440cd2c53e0d9c02fe2dada24f7d72b5fb75fef5c3
MD5 3afddd7105afd1dbcc86b2ea8a9ad198
SHA1 2484f5ee5a7813e510f2355394fb1838ae723e28
SHA512 807baa341bffb758d75cbb5d18a95a9e0edc06a578ddded5314c78515258954458f9d61b0ba58094fd5f4ed2943cd18065ec3c7f006bc7883c4a029d912301d0
TLSH
T1CCC02B435DC5EA1F2D0A381303FAD48C91F66D1D3F44BB50C304404E928044CF4D934D
MD5 SHA1 SHA512 TLSH

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hb6133.exe

Path C:\Users\Admin\AppData\Roaming\hb6133.exe
Size 45KB
SHA256 61c66bf6e1be1fb515360b91802cc5709b7810614960564617e4f654687115e6
MD5 b02b26cfe09d1303d7df19a134ba6ac9
SHA1 7648de45e6c68da166940eef62bcb8e6530bdad8
SHA512 86876caa5c6b979e06cae522f92bba79818f0eb502c0b768b3ba39130b9a3014557814789dae772184e9763c357dca422257e97c4111e3fdf01be6825b7105e2
SSDEEP 768:8uuSpTg7GBoWUSH6+mo2qYJCHyTtUPI9zjbvgX3iNaf6yVPLL6qsBDZ0x:8uuSpTgyf2Rnj93bYXSNVyVPLLsd0x
TLSH
T176232B003BE8812BF2BE4F7859F262458A7AF5673A03D5891CC441DB5613FC69A426FE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2472-12-0x00000000749E0000-0x000000007519C000-memory.dmp

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memory/2472-14-0x00000000749E0000-0x000000007519C000-memory.dmp

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memory/4416-0-0x00000000749F2000-0x00000000749F3000-memory.dmp

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memory/4416-1-0x0000000000960000-0x0000000000972000-memory.dmp

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memory/4416-2-0x00000000749E0000-0x000000007519C000-memory.dmp

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memory/4416-3-0x0000000005470000-0x000000000550C000-memory.dmp

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memory/4416-9-0x00000000749E0000-0x000000007519C000-memory.dmp

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