asyncrat | fd062b71b0353bb4a70c1095566b75164b16db49c2afa28ab8cc5755e4523f7b

Analysis

max time kernel
148s
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
02/08/2026, 18:01

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General

Target
fd062b71b0353bb4a70c1095566b75164b16db49c2afa28ab8cc5755e4523f7b.exe
Size 45KB
Sample260802-wmbvjaycrc
SHA256 fd062b71b0353bb4a70c1095566b75164b16db49c2afa28ab8cc5755e4523f7b
MD5 c6e7ace2f6bea8bb37686e4cee6c475b
SHA1 9f9a6f34820da461a83e5e8746b1e7f0f7e7f01c
SHA512 fef21d9da060151d7acbd841c711d5e56bad5795dfdfef3228c3e576bac6cd7fdf4ae95a2ed189ccf936ac2220de184af15f91103c9c404f57bd0913fb47a7b3
SSDEEP 768:EufspTfzcR6uWUcb+wmo2q9r9wScq/z1OPIszjbbgS3iZxo6Xa13BDZsx:EufspTf2g2mi9K3s3bkSSZxo60xdsx
TLSH
T14A232A0037E9C12BF2BF5F78A8F26145467AF6733603D64A1CC4119B5623BC69A426FE
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
qakbot.vnsextop1.com:80
qakbot.vnsextop1.com:22
qakbot.vnsextop1.com:8080
qakbot.vnsextop1.com:8880
qakbot.vnsextop1.com:2052
qakbot.vnsextop1.com:2082
qakbot.vnsextop1.com:2086
qakbot.vnsextop1.com:2095
qakbot.vnsextop1.com:443
qakbot.vnsextop1.com:2053
qakbot.vnsextop1.com:2083
qakbot.vnsextop1.com:2087
qakbot.vnsextop1.com:2096
qakbot.vnsextop1.com:8443
shamoon.vnsextop1.com:80
shamoon.vnsextop1.com:22
shamoon.vnsextop1.com:8080
shamoon.vnsextop1.com:8880
shamoon.vnsextop1.com:2052
shamoon.vnsextop1.com:2082
shamoon.vnsextop1.com:2086
shamoon.vnsextop1.com:2095
shamoon.vnsextop1.com:443
shamoon.vnsextop1.com:2053
shamoon.vnsextop1.com:2083
shamoon.vnsextop1.com:2087
shamoon.vnsextop1.com:2096
shamoon.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

Mutex

rk7cEMAVrWmK

Attributes

delay
0
install
true
install_file
1cbx72l.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/0x000e00000001c52a-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
5668	1cbx72l.exe
5128	1cbx72l.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	19	185.100.234.69:22
SSH destination	24	185.100.234.69:22
SSH destination	28	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
5088	cmd.exe
2720	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	1cbx72l.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1cbx72l.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fd062b71b0353bb4a70c1095566b75164b16db49c2afa28ab8cc5755e4523f7b.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
4088	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
5860	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
4572	fd062b71b0353bb4a70c1095566b75164b16db49c2afa28ab8cc5755e4523f7b.exe
4572	fd062b71b0353bb4a70c1095566b75164b16db49c2afa28ab8cc5755e4523f7b.exe
4572	fd062b71b0353bb4a70c1095566b75164b16db49c2afa28ab8cc5755e4523f7b.exe
4572	fd062b71b0353bb4a70c1095566b75164b16db49c2afa28ab8cc5755e4523f7b.exe
4572	fd062b71b0353bb4a70c1095566b75164b16db49c2afa28ab8cc5755e4523f7b.exe
4572	fd062b71b0353bb4a70c1095566b75164b16db49c2afa28ab8cc5755e4523f7b.exe
4572	fd062b71b0353bb4a70c1095566b75164b16db49c2afa28ab8cc5755e4523f7b.exe
4572	fd062b71b0353bb4a70c1095566b75164b16db49c2afa28ab8cc5755e4523f7b.exe
4572	fd062b71b0353bb4a70c1095566b75164b16db49c2afa28ab8cc5755e4523f7b.exe
4572	fd062b71b0353bb4a70c1095566b75164b16db49c2afa28ab8cc5755e4523f7b.exe
4572	fd062b71b0353bb4a70c1095566b75164b16db49c2afa28ab8cc5755e4523f7b.exe
4572	fd062b71b0353bb4a70c1095566b75164b16db49c2afa28ab8cc5755e4523f7b.exe
4572	fd062b71b0353bb4a70c1095566b75164b16db49c2afa28ab8cc5755e4523f7b.exe
4572	fd062b71b0353bb4a70c1095566b75164b16db49c2afa28ab8cc5755e4523f7b.exe
4572	fd062b71b0353bb4a70c1095566b75164b16db49c2afa28ab8cc5755e4523f7b.exe
4572	fd062b71b0353bb4a70c1095566b75164b16db49c2afa28ab8cc5755e4523f7b.exe
4572	fd062b71b0353bb4a70c1095566b75164b16db49c2afa28ab8cc5755e4523f7b.exe
4572	fd062b71b0353bb4a70c1095566b75164b16db49c2afa28ab8cc5755e4523f7b.exe
4572	fd062b71b0353bb4a70c1095566b75164b16db49c2afa28ab8cc5755e4523f7b.exe
4572	fd062b71b0353bb4a70c1095566b75164b16db49c2afa28ab8cc5755e4523f7b.exe
4572	fd062b71b0353bb4a70c1095566b75164b16db49c2afa28ab8cc5755e4523f7b.exe
4572	fd062b71b0353bb4a70c1095566b75164b16db49c2afa28ab8cc5755e4523f7b.exe
4572	fd062b71b0353bb4a70c1095566b75164b16db49c2afa28ab8cc5755e4523f7b.exe
4572	fd062b71b0353bb4a70c1095566b75164b16db49c2afa28ab8cc5755e4523f7b.exe
4572	fd062b71b0353bb4a70c1095566b75164b16db49c2afa28ab8cc5755e4523f7b.exe
4572	fd062b71b0353bb4a70c1095566b75164b16db49c2afa28ab8cc5755e4523f7b.exe
4572	fd062b71b0353bb4a70c1095566b75164b16db49c2afa28ab8cc5755e4523f7b.exe
4572	fd062b71b0353bb4a70c1095566b75164b16db49c2afa28ab8cc5755e4523f7b.exe
4572	fd062b71b0353bb4a70c1095566b75164b16db49c2afa28ab8cc5755e4523f7b.exe
4572	fd062b71b0353bb4a70c1095566b75164b16db49c2afa28ab8cc5755e4523f7b.exe
4572	fd062b71b0353bb4a70c1095566b75164b16db49c2afa28ab8cc5755e4523f7b.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4572	fd062b71b0353bb4a70c1095566b75164b16db49c2afa28ab8cc5755e4523f7b.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4572 wrote to memory of 5088	4572	fd062b71b0353bb4a70c1095566b75164b16db49c2afa28ab8cc5755e4523f7b.exe	89
PID 4572 wrote to memory of 2720	4572	fd062b71b0353bb4a70c1095566b75164b16db49c2afa28ab8cc5755e4523f7b.exe	91
PID 5088 wrote to memory of 5860	5088	cmd.exe	93
PID 2720 wrote to memory of 4088	2720	cmd.exe	94
PID 2720 wrote to memory of 5128	2720	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\fd062b71b0353bb4a70c1095566b75164b16db49c2afa28ab8cc5755e4523f7b.exe
"C:\Users\Admin\AppData\Local\Temp\fd062b71b0353bb4a70c1095566b75164b16db49c2afa28ab8cc5755e4523f7b.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4572
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "1cbx72l" /tr '"C:\Users\Admin\AppData\Roaming\1cbx72l.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5088
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "1cbx72l" /tr '"C:\Users\Admin\AppData\Roaming\1cbx72l.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:5860
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp1C96.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2720
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4088
- - C:\Users\Admin\AppData\Roaming\1cbx72l.exe
    "C:\Users\Admin\AppData\Roaming\1cbx72l.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:5128

C:\Users\Admin\AppData\Roaming\1cbx72l.exe
"C:\Users\Admin\AppData\Roaming\1cbx72l.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:5668

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

tmp1C96.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp1C96.tmp.bat
Size 151B
SHA256 50a576a16ca6583af00bee5d86be0d3fcb2b92f7e065f900e250fc95bbda6eb1
MD5 3c39b861f37aadb18e303d8b77ad9423
SHA1 238cfc4469f5435fbce6765918ff7d7687d16317
SHA512 63f60d24aeb6971b71fdf12e5aaf5277e84f5a99fb7a5dfb1676acf2fe38083ec371fd7a03cb11d400bf3c39ce99a99aebd02a0d637a81190f612a0503e2e6e3
TLSH
T1E8C08C4295C6BA4E690D542322FAA48CA262A85E3F80AB1083084019A280488E09A241
MD5 SHA1 SHA512 TLSH

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1cbx72l.exe

Path C:\Users\Admin\AppData\Roaming\1cbx72l.exe
Size 45KB
SHA256 fd062b71b0353bb4a70c1095566b75164b16db49c2afa28ab8cc5755e4523f7b
MD5 c6e7ace2f6bea8bb37686e4cee6c475b
SHA1 9f9a6f34820da461a83e5e8746b1e7f0f7e7f01c
SHA512 fef21d9da060151d7acbd841c711d5e56bad5795dfdfef3228c3e576bac6cd7fdf4ae95a2ed189ccf936ac2220de184af15f91103c9c404f57bd0913fb47a7b3
SSDEEP 768:EufspTfzcR6uWUcb+wmo2q9r9wScq/z1OPIszjbbgS3iZxo6Xa13BDZsx:EufspTf2g2mi9K3s3bkSSZxo60xdsx
TLSH
T14A232A0037E9C12BF2BF5F78A8F26145467AF6733603D64A1CC4119B5623BC69A426FE
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/4572-0-0x00000000746C2000-0x00000000746C3000-memory.dmp

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memory/4572-1-0x0000000000870000-0x0000000000882000-memory.dmp

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memory/4572-2-0x00000000746B0000-0x0000000074E6C000-memory.dmp

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memory/4572-3-0x0000000005270000-0x000000000530C000-memory.dmp

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memory/4572-8-0x00000000746B0000-0x0000000074E6C000-memory.dmp

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memory/5668-12-0x0000000074540000-0x0000000074CFC000-memory.dmp

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memory/5668-14-0x0000000074540000-0x0000000074CFC000-memory.dmp

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