asyncrat | 65cc32266436029d8080130f4ed47ed916b571b8f0424a2dcd862828521aa45a

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
16/07/2026, 14:28

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General

Target
65cc32266436029d8080130f4ed47ed916b571b8f0424a2dcd862828521aa45a.exe
Size 45KB
Sample260716-rtb2nafv6p
SHA256 65cc32266436029d8080130f4ed47ed916b571b8f0424a2dcd862828521aa45a
MD5 c24a494f058b76621bc7455a6255d72d
SHA1 46f796d49e1adf9dfc5f3298f69d4acd4b99906e
SHA512 3c0bda14239a5df9b4258ca6f0d859a861b7dfe5d8756340b4dfba3525ef08efcc4fde0ef4c942bde36b3398f42a39184fa1f3811da4eaf4fb0335b994b23d5b
SSDEEP 768:cuR0JTPUYkEWUmjWymo2q1/qyx0OFUwdrxIkDPIezjbkgX3i8soWVugUTmBDZUx:cuR0JTPjY2CqKTNMe3brXSjzOUdUx
TLSH
T176231A003BED812BF2BE4F7869F26145467AF6632603D6491CC451DB5B23FC58A426FE
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

default defense_evasion discovery execution asyncrat persistence rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

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

Mutex

9CbpWvqAUAsM

Attributes

delay
0
install
true
install_file
pll0.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/0x002400000001c2fc-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
4620	pll0.exe
4548	pll0.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pll0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pll0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	65cc32266436029d8080130f4ed47ed916b571b8f0424a2dcd862828521aa45a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
1932	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
2640	schtasks.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
1192	65cc32266436029d8080130f4ed47ed916b571b8f0424a2dcd862828521aa45a.exe
1192	65cc32266436029d8080130f4ed47ed916b571b8f0424a2dcd862828521aa45a.exe
1192	65cc32266436029d8080130f4ed47ed916b571b8f0424a2dcd862828521aa45a.exe
1192	65cc32266436029d8080130f4ed47ed916b571b8f0424a2dcd862828521aa45a.exe
1192	65cc32266436029d8080130f4ed47ed916b571b8f0424a2dcd862828521aa45a.exe
1192	65cc32266436029d8080130f4ed47ed916b571b8f0424a2dcd862828521aa45a.exe
1192	65cc32266436029d8080130f4ed47ed916b571b8f0424a2dcd862828521aa45a.exe
1192	65cc32266436029d8080130f4ed47ed916b571b8f0424a2dcd862828521aa45a.exe
1192	65cc32266436029d8080130f4ed47ed916b571b8f0424a2dcd862828521aa45a.exe
1192	65cc32266436029d8080130f4ed47ed916b571b8f0424a2dcd862828521aa45a.exe
1192	65cc32266436029d8080130f4ed47ed916b571b8f0424a2dcd862828521aa45a.exe
1192	65cc32266436029d8080130f4ed47ed916b571b8f0424a2dcd862828521aa45a.exe
1192	65cc32266436029d8080130f4ed47ed916b571b8f0424a2dcd862828521aa45a.exe
1192	65cc32266436029d8080130f4ed47ed916b571b8f0424a2dcd862828521aa45a.exe
1192	65cc32266436029d8080130f4ed47ed916b571b8f0424a2dcd862828521aa45a.exe
1192	65cc32266436029d8080130f4ed47ed916b571b8f0424a2dcd862828521aa45a.exe
1192	65cc32266436029d8080130f4ed47ed916b571b8f0424a2dcd862828521aa45a.exe
1192	65cc32266436029d8080130f4ed47ed916b571b8f0424a2dcd862828521aa45a.exe
1192	65cc32266436029d8080130f4ed47ed916b571b8f0424a2dcd862828521aa45a.exe
1192	65cc32266436029d8080130f4ed47ed916b571b8f0424a2dcd862828521aa45a.exe
1192	65cc32266436029d8080130f4ed47ed916b571b8f0424a2dcd862828521aa45a.exe
1192	65cc32266436029d8080130f4ed47ed916b571b8f0424a2dcd862828521aa45a.exe
1192	65cc32266436029d8080130f4ed47ed916b571b8f0424a2dcd862828521aa45a.exe
1192	65cc32266436029d8080130f4ed47ed916b571b8f0424a2dcd862828521aa45a.exe
1192	65cc32266436029d8080130f4ed47ed916b571b8f0424a2dcd862828521aa45a.exe
1192	65cc32266436029d8080130f4ed47ed916b571b8f0424a2dcd862828521aa45a.exe
1192	65cc32266436029d8080130f4ed47ed916b571b8f0424a2dcd862828521aa45a.exe
1192	65cc32266436029d8080130f4ed47ed916b571b8f0424a2dcd862828521aa45a.exe
1192	65cc32266436029d8080130f4ed47ed916b571b8f0424a2dcd862828521aa45a.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1192	65cc32266436029d8080130f4ed47ed916b571b8f0424a2dcd862828521aa45a.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1192 wrote to memory of 4648	1192	65cc32266436029d8080130f4ed47ed916b571b8f0424a2dcd862828521aa45a.exe	87
PID 1192 wrote to memory of 4296	1192	65cc32266436029d8080130f4ed47ed916b571b8f0424a2dcd862828521aa45a.exe	89
PID 4648 wrote to memory of 2640	4648	cmd.exe	91
PID 4296 wrote to memory of 1932	4296	cmd.exe	92
PID 4296 wrote to memory of 4548	4296	cmd.exe	95

C:\Users\Admin\AppData\Local\Temp\65cc32266436029d8080130f4ed47ed916b571b8f0424a2dcd862828521aa45a.exe
"C:\Users\Admin\AppData\Local\Temp\65cc32266436029d8080130f4ed47ed916b571b8f0424a2dcd862828521aa45a.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1192
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "pll0" /tr '"C:\Users\Admin\AppData\Roaming\pll0.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4648
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "pll0" /tr '"C:\Users\Admin\AppData\Roaming\pll0.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2640
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp11E8.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4296
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:1932
- - C:\Users\Admin\AppData\Roaming\pll0.exe
    "C:\Users\Admin\AppData\Roaming\pll0.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4548

C:\Users\Admin\AppData\Roaming\pll0.exe
"C:\Users\Admin\AppData\Roaming\pll0.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4620

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

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

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

tmp11E8.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp11E8.tmp.bat
Size 148B
SHA256 7a3306689b606922a7d4222e4bbbb94a7c79f9b6e955f32cc0e19601ca9677d3
MD5 c6bbb53fe7c02005be7f49c0a95bc3ad
SHA1 c1ed93e06b38ffe43d4bcf79e5a9e22cbd62b8c9
SHA512 916ece35103dda57141c3a4d564d6e44badbe8541c71278610050f1cfb26376a87dfe2e31abc54b2f9d6a2616da1a9bcc737b842ae7cc77642055118e37c95da
TLSH
T15CC02B6261C5EF5E2C09585312FBD48D9172AC193F80BF10D308884D6280488F0D9382
MD5 SHA1 SHA512 TLSH

Submit Download

pll0.exe

Path C:\Users\Admin\AppData\Roaming\pll0.exe
Size 45KB
SHA256 65cc32266436029d8080130f4ed47ed916b571b8f0424a2dcd862828521aa45a
MD5 c24a494f058b76621bc7455a6255d72d
SHA1 46f796d49e1adf9dfc5f3298f69d4acd4b99906e
SHA512 3c0bda14239a5df9b4258ca6f0d859a861b7dfe5d8756340b4dfba3525ef08efcc4fde0ef4c942bde36b3398f42a39184fa1f3811da4eaf4fb0335b994b23d5b
SSDEEP 768:cuR0JTPUYkEWUmjWymo2q1/qyx0OFUwdrxIkDPIezjbkgX3i8soWVugUTmBDZUx:cuR0JTPjY2CqKTNMe3brXSjzOUdUx
TLSH
T176231A003BED812BF2BE4F7869F26145467AF6632603D6491CC451DB5B23FC58A426FE
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1192-0-0x00000000744B2000-0x00000000744B3000-memory.dmp

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memory/1192-1-0x0000000000DF0000-0x0000000000E02000-memory.dmp

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memory/1192-2-0x00000000744A0000-0x0000000074C5C000-memory.dmp

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memory/1192-3-0x0000000005800000-0x000000000589C000-memory.dmp

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memory/1192-8-0x00000000744A0000-0x0000000074C5C000-memory.dmp

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memory/4620-12-0x0000000074340000-0x0000000074AFC000-memory.dmp

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memory/4620-14-0x0000000074340000-0x0000000074AFC000-memory.dmp

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