asyncrat | 890da560405def4dd27880ef5b614505716acfd3c3a34abc5b596d072d91d425

Analysis

max time kernel
149s
max time network
161s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
05/03/2026, 15:15

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General

Target
acsmoney.in.net.exe
Size 45KB
Sample260305-smwcdset7v
SHA256 890da560405def4dd27880ef5b614505716acfd3c3a34abc5b596d072d91d425
MD5 3f7228185e44867a1c9e44a5df0ea76e
SHA1 cbdf4ab2f9d31095d50b3cff837b43b323f0a131
SHA512 3b282f53db6e4f90018d61138546b159ae0e991d0b5fe594ef9ebf2253093e0f9f784323c53c77ce96dc97c60275c145cc84b561dfd6fd7e90eadf77da2b3596
SSDEEP 768:5ugnNTjgkH7F7WUHF9pmo2q7T0eqrfePIXzjbbgX3BJ5/lIHAUfcfKE72BDZ/x:5ugnNTcIb2AVMnX3bkXRH/IAUEKsYd/x
TLSH
T1E3232B003BE9812BF2BE5F78ACF26105467AF1632603D64E1CC451DB5613BC69A52AFE
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

acsmoney.in.net defense_evasion discovery execution asyncrat persistence rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

acsmoney.in.net

acsmoney.in.net:80
acsmoney.in.net:8080
acsmoney.in.net:443
acsmoney.in.net:8443

Mutex

VasmjWCPqaxc

Attributes

delay
3
install
true
install_file
mko2.exe
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat
Asyncrat family
asyncrat

Async RAT payload 1 IoCs

rat

resource	yara_rule
behavioral2/files/0x002300000002b3a3-9.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
2768	mko2.exe
2788	mko2.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	mko2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	acsmoney.in.net.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	mko2.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
840	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
1760	schtasks.exe

Suspicious behavior: EnumeratesProcesses 21 IoCs

pid	Process
2620	acsmoney.in.net.exe
2620	acsmoney.in.net.exe
2620	acsmoney.in.net.exe
2620	acsmoney.in.net.exe
2620	acsmoney.in.net.exe
2620	acsmoney.in.net.exe
2620	acsmoney.in.net.exe
2620	acsmoney.in.net.exe
2620	acsmoney.in.net.exe
2620	acsmoney.in.net.exe
2620	acsmoney.in.net.exe
2620	acsmoney.in.net.exe
2620	acsmoney.in.net.exe
2620	acsmoney.in.net.exe
2620	acsmoney.in.net.exe
2620	acsmoney.in.net.exe
2620	acsmoney.in.net.exe
2620	acsmoney.in.net.exe
2620	acsmoney.in.net.exe
2620	acsmoney.in.net.exe
2620	acsmoney.in.net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2620	acsmoney.in.net.exe
Token: SeDebugPrivilege	2768	mko2.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2620 wrote to memory of 2112	2620	acsmoney.in.net.exe	80
PID 2620 wrote to memory of 888	2620	acsmoney.in.net.exe	82
PID 2112 wrote to memory of 1760	2112	cmd.exe	84
PID 888 wrote to memory of 840	888	cmd.exe	85
PID 888 wrote to memory of 2788	888	cmd.exe	88

C:\Users\Admin\AppData\Local\Temp\acsmoney.in.net.exe
"C:\Users\Admin\AppData\Local\Temp\acsmoney.in.net.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2620
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "mko2" /tr '"C:\Users\Admin\AppData\Roaming\mko2.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2112
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "mko2" /tr '"C:\Users\Admin\AppData\Roaming\mko2.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1760
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp5F03.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:888
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:840
- - C:\Users\Admin\AppData\Roaming\mko2.exe
    "C:\Users\Admin\AppData\Roaming\mko2.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2788

C:\Users\Admin\AppData\Roaming\mko2.exe
"C:\Users\Admin\AppData\Roaming\mko2.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2768

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

tmp5F03.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp5F03.tmp.bat
Size 148B
SHA256 093e6be8f2c8a5f501e41b69d07121e915cb285438da8eb5f4fba400aa9fd84f
MD5 8f61ce2791858943ec42aa851068cb16
SHA1 545f51dbaf879b9c6a1aa3ee9cf1ad6c2701f738
SHA512 6643b34cc3eeb60957d827d7667c5b166f00b243c39d61697a31804688b45e733addad4093f6ed1946d4efc900eaf70fbae290e752b29d14f81f0adc261a271c
TLSH
T18BC02B5351C6EA5E2805241306FAD9CD9172EC5E3F44FB00D704400E6780458F0DD341
MD5 SHA1 SHA512 TLSH

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mko2.exe

Path C:\Users\Admin\AppData\Roaming\mko2.exe
Size 45KB
SHA256 890da560405def4dd27880ef5b614505716acfd3c3a34abc5b596d072d91d425
MD5 3f7228185e44867a1c9e44a5df0ea76e
SHA1 cbdf4ab2f9d31095d50b3cff837b43b323f0a131
SHA512 3b282f53db6e4f90018d61138546b159ae0e991d0b5fe594ef9ebf2253093e0f9f784323c53c77ce96dc97c60275c145cc84b561dfd6fd7e90eadf77da2b3596
SSDEEP 768:5ugnNTjgkH7F7WUHF9pmo2q7T0eqrfePIXzjbbgX3BJ5/lIHAUfcfKE72BDZ/x:5ugnNTcIb2AVMnX3bkXRH/IAUEKsYd/x
TLSH
T1E3232B003BE9812BF2BE5F78ACF26105467AF1632603D64E1CC451DB5613BC69A52AFE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/840-11-0x0000000000960000-0x00000000009C4000-memory.dmp

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memory/2620-0-0x0000000000480000-0x0000000000492000-memory.dmp

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memory/2620-1-0x0000000005050000-0x0000000005060000-memory.dmp

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memory/2620-2-0x0000000004F50000-0x0000000004FEC000-memory.dmp

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memory/2620-7-0x00000000054B0000-0x0000000005532000-memory.dmp

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memory/2768-15-0x00000000030F0000-0x00000000030FB000-memory.dmp

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memory/2768-16-0x00000000055C0000-0x0000000005624000-memory.dmp

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memory/2788-14-0x0000000002740000-0x000000000274B000-memory.dmp

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