asyncrat | c1fef5caa5af885639df7c5e0ae78f1b10a0ff0ff84ab9554da85a05683616a0

Analysis

geolocation tags

asiadelhiinindia
user interaction
yes
max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20260130-en
resource tags

arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
15/04/2026, 04:00

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General

Target
m75.exe
Size 45KB
Sample260415-eksxlaet3q
SHA256 c1fef5caa5af885639df7c5e0ae78f1b10a0ff0ff84ab9554da85a05683616a0
MD5 4278946ac2e75a6aad05def1b96feffa
SHA1 d4c8388facc414e255273c71cd5febd610127914
SHA512 7de44622630f28866c99498768b8619b11fbf063b455bb7fced3caf33b4829182f16209b3e4795d41d76c64f333675ffb4ba18455f890286e0a92594cbf0f100
SSDEEP 768:puCwNTdxtrhWU5nGLmo2qr6hKGJAIGY/PIezjb5gX3iTUDXjpF0pBbLBDZ7x:puCwNTdri2hENRe3bWXSsFObdd7x
TLSH
T107231A003BE9812BF2BE4F7498F26145867AF2637603D5492CC452DB5713FC69A42AFE
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

cleancanvas.in.net defense_evasion discovery execution asyncrat persistence rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

cleancanvas.in.net

cleancanvas.in.net:80
cleancanvas.in.net:443
cleancanvas.in.net:8080
cleancanvas.in.net:8443
cleancanvas.in.net:3306
https://cleancanvas.in.net:80
https://cleancanvas.in.net:443
https://cleancanvas.in.net:8080
https://cleancanvas.in.net:8443
https://cleancanvas.in.net:3306

Mutex

Eb7WAfOZ8ywZ

Attributes

delay
3
install
true
install_file
m75.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
behavioral1/files/0x00090000000244ca-9.dat	family_asyncrat

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-721190819-434563495-2007910846-1000\Control Panel\International\Geo\Nation	m75.exe

Executes dropped EXE 2 IoCs

pid	Process
5036	m75.exe
5008	m75.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	m75.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	m75.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	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	m75.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
4852	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
4900	schtasks.exe

Suspicious behavior: EnumeratesProcesses 23 IoCs

pid	Process
4724	m75.exe
4724	m75.exe
4724	m75.exe
4724	m75.exe
4724	m75.exe
4724	m75.exe
4724	m75.exe
4724	m75.exe
4724	m75.exe
4724	m75.exe
4724	m75.exe
4724	m75.exe
4724	m75.exe
4724	m75.exe
4724	m75.exe
4724	m75.exe
4724	m75.exe
4724	m75.exe
4724	m75.exe
4724	m75.exe
4724	m75.exe
4724	m75.exe
4724	m75.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4724	m75.exe
Token: SeDebugPrivilege	5036	m75.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4724 wrote to memory of 5340	4724	m75.exe	84
PID 4724 wrote to memory of 4684	4724	m75.exe	86
PID 4684 wrote to memory of 4852	4684	cmd.exe	88
PID 5340 wrote to memory of 4900	5340	cmd.exe	89
PID 4684 wrote to memory of 5008	4684	cmd.exe	92

C:\Users\Admin\AppData\Local\Temp\m75.exe
"C:\Users\Admin\AppData\Local\Temp\m75.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4724
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "m75" /tr '"C:\Users\Admin\AppData\Roaming\m75.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5340
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "m75" /tr '"C:\Users\Admin\AppData\Roaming\m75.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4900
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp4D21.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4684
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4852
- - C:\Users\Admin\AppData\Roaming\m75.exe
    "C:\Users\Admin\AppData\Roaming\m75.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:5008

C:\Users\Admin\AppData\Roaming\m75.exe
"C:\Users\Admin\AppData\Roaming\m75.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:5036

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

Query Registry

T1012

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

m75.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\m75.exe.log
Size 522B
SHA256 2412679218bb0a7d05ceee32869bbb223619bde9966c4c460a68304a3367724b
MD5 acc9090417037dfa2a55b46ed86e32b8
SHA1 53fa6fb25fb3e88c24d2027aca6ae492b2800a4d
SHA512 d51f7085ec147c708f446b9fb6923cd2fb64596d354ed929e125b30ace57c8cb3217589447a36960e5d3aea87a4e48aaa82c7509eced6d6c2cecd71fcfe3697b
TLSH
T11EF097303722E1E489423F521C1C3A9943EF079AA360EE2C3958036ED825227AB212E3
MD5 SHA1 SHA512 TLSH

Submit Download

tmp4D21.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp4D21.tmp.bat
Size 147B
SHA256 c86ff293ee864930ad14f7130c870ac1719e661633eaef1b1d9707c569537880
MD5 896da4c7db01c0aa4514e28242efe3d5
SHA1 df196f8585b651a52ea8541276a5a5641860497c
SHA512 64394baaa9ffe2201ab17720d7676045dff40e439824bc9df2fb0d735d76391a56d2e73e121ce98facf7103822ad77209b223df9a95ec94f29f9514ff3e80eb9
TLSH
T1C7C02B4356C9EA4E2905745302FAD4CC9172AC1A3F40BF00D708404D1380488F0FD3C2
MD5 SHA1 SHA512 TLSH

Submit Download

m75.exe

Path C:\Users\Admin\AppData\Roaming\m75.exe
Size 45KB
SHA256 c1fef5caa5af885639df7c5e0ae78f1b10a0ff0ff84ab9554da85a05683616a0
MD5 4278946ac2e75a6aad05def1b96feffa
SHA1 d4c8388facc414e255273c71cd5febd610127914
SHA512 7de44622630f28866c99498768b8619b11fbf063b455bb7fced3caf33b4829182f16209b3e4795d41d76c64f333675ffb4ba18455f890286e0a92594cbf0f100
SSDEEP 768:puCwNTdxtrhWU5nGLmo2qr6hKGJAIGY/PIezjb5gX3iTUDXjpF0pBbLBDZ7x:puCwNTdri2hENRe3bWXSsFObdd7x
TLSH
T107231A003BE9812BF2BE4F7498F26145867AF2637603D5492CC452DB5713FC69A42AFE
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/4724-0-0x0000000000AC0000-0x0000000000AD2000-memory.dmp

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memory/4724-1-0x00000000055A0000-0x00000000055B0000-memory.dmp

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memory/4724-2-0x00000000055B0000-0x000000000564C000-memory.dmp

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memory/4724-7-0x0000000005400000-0x0000000005487000-memory.dmp

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memory/5008-13-0x0000000005080000-0x0000000005107000-memory.dmp

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memory/5008-14-0x0000000005150000-0x000000000515A000-memory.dmp

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memory/5036-16-0x0000000002950000-0x000000000295A000-memory.dmp

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memory/5036-17-0x0000000002A90000-0x0000000002A97000-memory.dmp

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memory/5036-15-0x0000000004FE0000-0x0000000005067000-memory.dmp

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