asyncrat | d78ca445ba4d543fd957ab8d9818c6d099bfd3de9c211b20c5aab8db613b3247

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
07/09/2026, 11:30

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General

Target
d78ca445ba4d543fd957ab8d9818c6d099bfd3de9c211b20c5aab8db613b3247.exe
Size 45KB
Sample260907-nmbkrstte1
SHA256 d78ca445ba4d543fd957ab8d9818c6d099bfd3de9c211b20c5aab8db613b3247
MD5 d9f099734c6e475d6d9f136e23a13aff
SHA1 d1b6551c754d9a9960446857b148bd2f615b8cb5
SHA512 77e2bc11b4014069650e6e49754c4b6c2da91145d51358b2dca93097df41f96ce8a201ec910fa63438350bdddc57efb94442bc44bbffd666f7b94b2cbda4f68b
SSDEEP 768:cu7m/5THrq+CWUoDuMmo2qFP9xY6aZOOPIrzjb4g33i2CTdk/O5BDZUx:cu7e5TH2A26s/O3r3bv3S25sdUx
TLSH
T1E4232B003FE88127F27E4F7899F26145867AF6B32603D54A1CC451DB5B13FC69A426EE
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

chimchuot.click:80
chimchuot.click:22
chimchuot.click:8080
chimchuot.click:8880
chimchuot.click:2052
chimchuot.click:2082
chimchuot.click:2086
chimchuot.click:2095
chimchuot.click:443
chimchuot.click:2053
chimchuot.click:2083
chimchuot.click:2087
chimchuot.click:2096
chimchuot.click:8443
www.chimchuot.click:80
www.chimchuot.click:22
www.chimchuot.click:8080
www.chimchuot.click:8880
www.chimchuot.click:2052
www.chimchuot.click:2082
www.chimchuot.click:2086
www.chimchuot.click:2095
www.chimchuot.click:443
www.chimchuot.click:2053
www.chimchuot.click:2083
www.chimchuot.click:2087
www.chimchuot.click:2096
www.chimchuot.click:8443
codered.chimchuot.click:80
codered.chimchuot.click:22
codered.chimchuot.click:8080
codered.chimchuot.click:8880
codered.chimchuot.click:2052
codered.chimchuot.click:2082
codered.chimchuot.click:2086
codered.chimchuot.click:2095
codered.chimchuot.click:443
codered.chimchuot.click:2053
codered.chimchuot.click:2083
codered.chimchuot.click:2087
codered.chimchuot.click:2096
codered.chimchuot.click:8443
malware.chimchuot.click:80
malware.chimchuot.click:22
malware.chimchuot.click:8080
malware.chimchuot.click:8880
malware.chimchuot.click:2052
malware.chimchuot.click:2082
malware.chimchuot.click:2086
malware.chimchuot.click:2095
malware.chimchuot.click:443
malware.chimchuot.click:2053
malware.chimchuot.click:2083
malware.chimchuot.click:2087
malware.chimchuot.click:2096
malware.chimchuot.click:8443

Mutex

zPXDC14aARPS

Attributes

delay
0
install
true
install_file
lqcgi.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/0x001600000001c507-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
5472	lqcgi.exe
1332	lqcgi.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	11	104.219.250.37:22
SSH destination	12	2.59.170.20:22

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
2504	cmd.exe
4704	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	d78ca445ba4d543fd957ab8d9818c6d099bfd3de9c211b20c5aab8db613b3247.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	lqcgi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lqcgi.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
3548	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
3596	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
3740	d78ca445ba4d543fd957ab8d9818c6d099bfd3de9c211b20c5aab8db613b3247.exe
3740	d78ca445ba4d543fd957ab8d9818c6d099bfd3de9c211b20c5aab8db613b3247.exe
3740	d78ca445ba4d543fd957ab8d9818c6d099bfd3de9c211b20c5aab8db613b3247.exe
3740	d78ca445ba4d543fd957ab8d9818c6d099bfd3de9c211b20c5aab8db613b3247.exe
3740	d78ca445ba4d543fd957ab8d9818c6d099bfd3de9c211b20c5aab8db613b3247.exe
3740	d78ca445ba4d543fd957ab8d9818c6d099bfd3de9c211b20c5aab8db613b3247.exe
3740	d78ca445ba4d543fd957ab8d9818c6d099bfd3de9c211b20c5aab8db613b3247.exe
3740	d78ca445ba4d543fd957ab8d9818c6d099bfd3de9c211b20c5aab8db613b3247.exe
3740	d78ca445ba4d543fd957ab8d9818c6d099bfd3de9c211b20c5aab8db613b3247.exe
3740	d78ca445ba4d543fd957ab8d9818c6d099bfd3de9c211b20c5aab8db613b3247.exe
3740	d78ca445ba4d543fd957ab8d9818c6d099bfd3de9c211b20c5aab8db613b3247.exe
3740	d78ca445ba4d543fd957ab8d9818c6d099bfd3de9c211b20c5aab8db613b3247.exe
3740	d78ca445ba4d543fd957ab8d9818c6d099bfd3de9c211b20c5aab8db613b3247.exe
3740	d78ca445ba4d543fd957ab8d9818c6d099bfd3de9c211b20c5aab8db613b3247.exe
3740	d78ca445ba4d543fd957ab8d9818c6d099bfd3de9c211b20c5aab8db613b3247.exe
3740	d78ca445ba4d543fd957ab8d9818c6d099bfd3de9c211b20c5aab8db613b3247.exe
3740	d78ca445ba4d543fd957ab8d9818c6d099bfd3de9c211b20c5aab8db613b3247.exe
3740	d78ca445ba4d543fd957ab8d9818c6d099bfd3de9c211b20c5aab8db613b3247.exe
3740	d78ca445ba4d543fd957ab8d9818c6d099bfd3de9c211b20c5aab8db613b3247.exe
3740	d78ca445ba4d543fd957ab8d9818c6d099bfd3de9c211b20c5aab8db613b3247.exe
3740	d78ca445ba4d543fd957ab8d9818c6d099bfd3de9c211b20c5aab8db613b3247.exe
3740	d78ca445ba4d543fd957ab8d9818c6d099bfd3de9c211b20c5aab8db613b3247.exe
3740	d78ca445ba4d543fd957ab8d9818c6d099bfd3de9c211b20c5aab8db613b3247.exe
3740	d78ca445ba4d543fd957ab8d9818c6d099bfd3de9c211b20c5aab8db613b3247.exe
3740	d78ca445ba4d543fd957ab8d9818c6d099bfd3de9c211b20c5aab8db613b3247.exe
3740	d78ca445ba4d543fd957ab8d9818c6d099bfd3de9c211b20c5aab8db613b3247.exe
3740	d78ca445ba4d543fd957ab8d9818c6d099bfd3de9c211b20c5aab8db613b3247.exe
3740	d78ca445ba4d543fd957ab8d9818c6d099bfd3de9c211b20c5aab8db613b3247.exe
3740	d78ca445ba4d543fd957ab8d9818c6d099bfd3de9c211b20c5aab8db613b3247.exe
3740	d78ca445ba4d543fd957ab8d9818c6d099bfd3de9c211b20c5aab8db613b3247.exe
3740	d78ca445ba4d543fd957ab8d9818c6d099bfd3de9c211b20c5aab8db613b3247.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3740	d78ca445ba4d543fd957ab8d9818c6d099bfd3de9c211b20c5aab8db613b3247.exe
Token: SeDebugPrivilege	5472	lqcgi.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3740 wrote to memory of 2504	3740	d78ca445ba4d543fd957ab8d9818c6d099bfd3de9c211b20c5aab8db613b3247.exe	90
PID 3740 wrote to memory of 4704	3740	d78ca445ba4d543fd957ab8d9818c6d099bfd3de9c211b20c5aab8db613b3247.exe	91
PID 2504 wrote to memory of 3596	2504	cmd.exe	94
PID 4704 wrote to memory of 3548	4704	cmd.exe	95
PID 4704 wrote to memory of 1332	4704	cmd.exe	98

C:\Users\Admin\AppData\Local\Temp\d78ca445ba4d543fd957ab8d9818c6d099bfd3de9c211b20c5aab8db613b3247.exe
"C:\Users\Admin\AppData\Local\Temp\d78ca445ba4d543fd957ab8d9818c6d099bfd3de9c211b20c5aab8db613b3247.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3740
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "lqcgi" /tr '"C:\Users\Admin\AppData\Roaming\lqcgi.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2504
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "lqcgi" /tr '"C:\Users\Admin\AppData\Roaming\lqcgi.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3596
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp864D.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4704
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:3548
- - C:\Users\Admin\AppData\Roaming\lqcgi.exe
    "C:\Users\Admin\AppData\Roaming\lqcgi.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1332

C:\Users\Admin\AppData\Roaming\lqcgi.exe
"C:\Users\Admin\AppData\Roaming\lqcgi.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:5472

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

tmp864D.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp864D.tmp.bat
Size 149B
SHA256 b265f360af52872d7e8e8ae9fc7999b5ba6d912763e6021a1b2ce0c0215b57e7
MD5 7796917bee05b2d7e9fa8ebd906bf62a
SHA1 77362c4af462451efba602293db619453e457f53
SHA512 b51ee49edac38c2dfa29c4d2f98c8789c00f7ea3e718013b7c511be150839c5fe351b19c820c62efa15fe42ea428a1b7894b22893e6b4e68d0254e36d8bb6717
TLSH
T16AC02B52B1C6EA0F2806583313FAD8CCD172AC5E7F40FB10C304400D1284459F0DE341
MD5 SHA1 SHA512 TLSH

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lqcgi.exe

Path C:\Users\Admin\AppData\Roaming\lqcgi.exe
Size 45KB
SHA256 d78ca445ba4d543fd957ab8d9818c6d099bfd3de9c211b20c5aab8db613b3247
MD5 d9f099734c6e475d6d9f136e23a13aff
SHA1 d1b6551c754d9a9960446857b148bd2f615b8cb5
SHA512 77e2bc11b4014069650e6e49754c4b6c2da91145d51358b2dca93097df41f96ce8a201ec910fa63438350bdddc57efb94442bc44bbffd666f7b94b2cbda4f68b
SSDEEP 768:cu7m/5THrq+CWUoDuMmo2qFP9xY6aZOOPIrzjb4g33i2CTdk/O5BDZUx:cu7e5TH2A26s/O3r3bv3S25sdUx
TLSH
T1E4232B003FE88127F27E4F7899F26145867AF6B32603D54A1CC451DB5B13FC69A426EE
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3740-0-0x0000000074F52000-0x0000000074F53000-memory.dmp

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memory/3740-1-0x00000000009C0000-0x00000000009D2000-memory.dmp

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memory/3740-2-0x0000000074F40000-0x00000000756FC000-memory.dmp

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memory/3740-3-0x00000000053B0000-0x000000000544C000-memory.dmp

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memory/3740-8-0x0000000074F40000-0x00000000756FC000-memory.dmp

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memory/5472-12-0x0000000074DD0000-0x000000007558C000-memory.dmp

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memory/5472-14-0x0000000074DD0000-0x000000007558C000-memory.dmp

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