asyncrat | 7f3532a6a5b601e88dc619adff3092568db400af03e776d88ea1b245da0ade55

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
04/08/2026, 07:46

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General

Target
7f3532a6a5b601e88dc619adff3092568db400af03e776d88ea1b245da0ade55.exe
Size 45KB
Sample260804-jmd9faal6t
SHA256 7f3532a6a5b601e88dc619adff3092568db400af03e776d88ea1b245da0ade55
MD5 fd0e5a5afee5be234c3240f3eb6e37cf
SHA1 17ab06e1191d6e77581117f5af21f71f240059e8
SHA512 3589399d3c1cb7196c6eb0b9bf48a4aba1766451790822fb44d7c7755ff07d86867489dc9bd1e81ec049d14061513a893815bd07399bdee9c2c89ef19377b65e
SSDEEP 768:8uUIpT4vvofWWUEXb+Imo2q4riD8yfzuOPIZzjbugXpibP7xoauWi4LPlv0aBDZ2:8uUIpT4vAj2/iAJ3Z3bRXYLlobW9P7d2
TLSH
T1252329003BE8812BF2BF5F7899F22105867AF6633603D6491CC4519B5723FC68A426EE
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

vnsextop1.com:80
vnsextop1.com:22
vnsextop1.com:8080
vnsextop1.com:8880
vnsextop1.com:2052
vnsextop1.com:2082
vnsextop1.com:2086
vnsextop1.com:2095
vnsextop1.com:443
vnsextop1.com:2053
vnsextop1.com:2083
vnsextop1.com:2087
vnsextop1.com:2096
vnsextop1.com:8443
www.vnsextop1.com:80
www.vnsextop1.com:22
www.vnsextop1.com:8080
www.vnsextop1.com:8880
www.vnsextop1.com:2052
www.vnsextop1.com:2082
www.vnsextop1.com:2086
www.vnsextop1.com:2095
www.vnsextop1.com:443
www.vnsextop1.com:2053
www.vnsextop1.com:2083
www.vnsextop1.com:2087
www.vnsextop1.com:2096
www.vnsextop1.com:8443
client.vnsextop1.com:80
client.vnsextop1.com:22
client.vnsextop1.com:8080
client.vnsextop1.com:8880
client.vnsextop1.com:2052
client.vnsextop1.com:2082
client.vnsextop1.com:2086
client.vnsextop1.com:2095
client.vnsextop1.com:443
client.vnsextop1.com:2053
client.vnsextop1.com:2083
client.vnsextop1.com:2087
client.vnsextop1.com:2096
client.vnsextop1.com:8443
fakeupdates.vnsextop1.com:80
fakeupdates.vnsextop1.com:22
fakeupdates.vnsextop1.com:8080
fakeupdates.vnsextop1.com:8880
fakeupdates.vnsextop1.com:2052
fakeupdates.vnsextop1.com:2082
fakeupdates.vnsextop1.com:2086
fakeupdates.vnsextop1.com:2095
fakeupdates.vnsextop1.com:443
fakeupdates.vnsextop1.com:2053
fakeupdates.vnsextop1.com:2083
fakeupdates.vnsextop1.com:2087
fakeupdates.vnsextop1.com:2096
fakeupdates.vnsextop1.com:8443
malware.vnsextop1.com:80
malware.vnsextop1.com:22
malware.vnsextop1.com:8080
malware.vnsextop1.com:8880
malware.vnsextop1.com:2052
malware.vnsextop1.com:2082
malware.vnsextop1.com:2086
malware.vnsextop1.com:2095
malware.vnsextop1.com:443
malware.vnsextop1.com:2053
malware.vnsextop1.com:2083
malware.vnsextop1.com:2087
malware.vnsextop1.com:2096
malware.vnsextop1.com:8443
remcos.vnsextop1.com:80
remcos.vnsextop1.com:22
remcos.vnsextop1.com:8080
remcos.vnsextop1.com:8880
remcos.vnsextop1.com:2052
remcos.vnsextop1.com:2082
remcos.vnsextop1.com:2086
remcos.vnsextop1.com:2095
remcos.vnsextop1.com:443
remcos.vnsextop1.com:2053
remcos.vnsextop1.com:2083
remcos.vnsextop1.com:2087
remcos.vnsextop1.com:2096
remcos.vnsextop1.com:8443

Mutex

vOTJTGiXahUe

Attributes

delay
0
install
true
install_file
oc3mqpq.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/0x00030000000170cb-10.dat	family_asyncrat

Executes dropped EXE 1 IoCs

pid	Process
5564	oc3mqpq.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	18	185.100.234.69:22
SSH destination	20	185.100.234.69:22

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
4604	cmd.exe
4556	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 6 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	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	oc3mqpq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7f3532a6a5b601e88dc619adff3092568db400af03e776d88ea1b245da0ade55.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
2948	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
2240	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
1856	7f3532a6a5b601e88dc619adff3092568db400af03e776d88ea1b245da0ade55.exe
1856	7f3532a6a5b601e88dc619adff3092568db400af03e776d88ea1b245da0ade55.exe
1856	7f3532a6a5b601e88dc619adff3092568db400af03e776d88ea1b245da0ade55.exe
1856	7f3532a6a5b601e88dc619adff3092568db400af03e776d88ea1b245da0ade55.exe
1856	7f3532a6a5b601e88dc619adff3092568db400af03e776d88ea1b245da0ade55.exe
1856	7f3532a6a5b601e88dc619adff3092568db400af03e776d88ea1b245da0ade55.exe
1856	7f3532a6a5b601e88dc619adff3092568db400af03e776d88ea1b245da0ade55.exe
1856	7f3532a6a5b601e88dc619adff3092568db400af03e776d88ea1b245da0ade55.exe
1856	7f3532a6a5b601e88dc619adff3092568db400af03e776d88ea1b245da0ade55.exe
1856	7f3532a6a5b601e88dc619adff3092568db400af03e776d88ea1b245da0ade55.exe
1856	7f3532a6a5b601e88dc619adff3092568db400af03e776d88ea1b245da0ade55.exe
1856	7f3532a6a5b601e88dc619adff3092568db400af03e776d88ea1b245da0ade55.exe
1856	7f3532a6a5b601e88dc619adff3092568db400af03e776d88ea1b245da0ade55.exe
1856	7f3532a6a5b601e88dc619adff3092568db400af03e776d88ea1b245da0ade55.exe
1856	7f3532a6a5b601e88dc619adff3092568db400af03e776d88ea1b245da0ade55.exe
1856	7f3532a6a5b601e88dc619adff3092568db400af03e776d88ea1b245da0ade55.exe
1856	7f3532a6a5b601e88dc619adff3092568db400af03e776d88ea1b245da0ade55.exe
1856	7f3532a6a5b601e88dc619adff3092568db400af03e776d88ea1b245da0ade55.exe
1856	7f3532a6a5b601e88dc619adff3092568db400af03e776d88ea1b245da0ade55.exe
1856	7f3532a6a5b601e88dc619adff3092568db400af03e776d88ea1b245da0ade55.exe
1856	7f3532a6a5b601e88dc619adff3092568db400af03e776d88ea1b245da0ade55.exe
1856	7f3532a6a5b601e88dc619adff3092568db400af03e776d88ea1b245da0ade55.exe
1856	7f3532a6a5b601e88dc619adff3092568db400af03e776d88ea1b245da0ade55.exe
1856	7f3532a6a5b601e88dc619adff3092568db400af03e776d88ea1b245da0ade55.exe
1856	7f3532a6a5b601e88dc619adff3092568db400af03e776d88ea1b245da0ade55.exe
1856	7f3532a6a5b601e88dc619adff3092568db400af03e776d88ea1b245da0ade55.exe
1856	7f3532a6a5b601e88dc619adff3092568db400af03e776d88ea1b245da0ade55.exe
1856	7f3532a6a5b601e88dc619adff3092568db400af03e776d88ea1b245da0ade55.exe
1856	7f3532a6a5b601e88dc619adff3092568db400af03e776d88ea1b245da0ade55.exe
1856	7f3532a6a5b601e88dc619adff3092568db400af03e776d88ea1b245da0ade55.exe
1856	7f3532a6a5b601e88dc619adff3092568db400af03e776d88ea1b245da0ade55.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1856	7f3532a6a5b601e88dc619adff3092568db400af03e776d88ea1b245da0ade55.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1856 wrote to memory of 4604	1856	7f3532a6a5b601e88dc619adff3092568db400af03e776d88ea1b245da0ade55.exe	90
PID 1856 wrote to memory of 4556	1856	7f3532a6a5b601e88dc619adff3092568db400af03e776d88ea1b245da0ade55.exe	92
PID 4604 wrote to memory of 2240	4604	cmd.exe	94
PID 4556 wrote to memory of 2948	4556	cmd.exe	95

C:\Users\Admin\AppData\Local\Temp\7f3532a6a5b601e88dc619adff3092568db400af03e776d88ea1b245da0ade55.exe
"C:\Users\Admin\AppData\Local\Temp\7f3532a6a5b601e88dc619adff3092568db400af03e776d88ea1b245da0ade55.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1856
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "oc3mqpq" /tr '"C:\Users\Admin\AppData\Roaming\oc3mqpq.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4604
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "oc3mqpq" /tr '"C:\Users\Admin\AppData\Roaming\oc3mqpq.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2240
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp57CB.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4556
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:2948
- - C:\Users\Admin\AppData\Roaming\oc3mqpq.exe
    "C:\Users\Admin\AppData\Roaming\oc3mqpq.exe"
    3⤵
    PID:3036

C:\Users\Admin\AppData\Roaming\oc3mqpq.exe
"C:\Users\Admin\AppData\Roaming\oc3mqpq.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:5564

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

tmp57CB.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp57CB.tmp.bat
Size 151B
SHA256 653789787bdee85c8387c667dd07e80ef336c1eb1d0e43a960610cf2b2cef410
MD5 78564ea16f1da93d3d07d38b3ce9a234
SHA1 75bd675ff79dbbd80b98db84a63aab6bb247a6db
SHA512 645ec10055c32ac8fd296bf0c2efe3fce6a6e9ec10e48a7635a2c649884f890fd0479c6368f307daeaad335e907360273a6a24931119e4d591cd9669690f0c68
TLSH
T1BBC02BC291CDEA1E39051C3303FADA8C95B26E5A3F48BB14C744905E12C0458F0DD381
MD5 SHA1 SHA512 TLSH

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oc3mqpq.exe

Path C:\Users\Admin\AppData\Roaming\oc3mqpq.exe
Size 45KB
SHA256 7f3532a6a5b601e88dc619adff3092568db400af03e776d88ea1b245da0ade55
MD5 fd0e5a5afee5be234c3240f3eb6e37cf
SHA1 17ab06e1191d6e77581117f5af21f71f240059e8
SHA512 3589399d3c1cb7196c6eb0b9bf48a4aba1766451790822fb44d7c7755ff07d86867489dc9bd1e81ec049d14061513a893815bd07399bdee9c2c89ef19377b65e
SSDEEP 768:8uUIpT4vvofWWUEXb+Imo2q4riD8yfzuOPIZzjbugXpibP7xoauWi4LPlv0aBDZ2:8uUIpT4vAj2/iAJ3Z3bRXYLlobW9P7d2
TLSH
T1252329003BE8812BF2BF5F7899F22105867AF6633603D6491CC4519B5723FC68A426EE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/1856-0-0x00000000748A2000-0x00000000748A3000-memory.dmp

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memory/1856-1-0x0000000000D80000-0x0000000000D92000-memory.dmp

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memory/1856-2-0x0000000074890000-0x000000007504C000-memory.dmp

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memory/1856-3-0x0000000005770000-0x000000000580C000-memory.dmp

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memory/1856-9-0x0000000074890000-0x000000007504C000-memory.dmp

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memory/5564-12-0x0000000074890000-0x000000007504C000-memory.dmp

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memory/5564-14-0x0000000074890000-0x000000007504C000-memory.dmp

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