asyncrat | 4742c74ee72e5ae6d14ad563412224d0d475617c3bc0690539868977a29661b8

Analysis

max time kernel
148s
max time network
152s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
17/07/2026, 16:23

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General

Target
4742c74ee72e5ae6d14ad563412224d0d475617c3bc0690539868977a29661b8.exe
Size 45KB
Sample260717-tv2d2sft6k
SHA256 4742c74ee72e5ae6d14ad563412224d0d475617c3bc0690539868977a29661b8
MD5 02639ec06e49351741706a067862b183
SHA1 daa79cb8d9e87abb5ae591db88a2b6c4a90b0932
SHA512 2a5e3c65c4719e76cc278359f5b65fbbe3dcec1c57c080c71e15dafa2584bd83062c75d9b8916d41fdd19b7259a15f3896d9fd7225a88c11f03561c7f9bb5595
SSDEEP 768:8uUIpT4vvofWWUEXb+Imo2q4UITnyHaaPIazjbugX3ijQTotv7Pc7RBDZ0x:8uUIpT4vAj2wE5a3bRXSjQTo1Davd0x
TLSH
T10C232B0037E9C12BF2BE5F7899F26105867AF6633603D58E1CC4119B5B13FC69A426EE
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

vuasexviet.com:80
vuasexviet.com:22
vuasexviet.com:8080
vuasexviet.com:8880
vuasexviet.com:2052
vuasexviet.com:2082
vuasexviet.com:2086
vuasexviet.com:2095
vuasexviet.com:443
vuasexviet.com:2053
vuasexviet.com:2083
vuasexviet.com:2087
vuasexviet.com:2096
vuasexviet.com:8443
www.vuasexviet.com:80
www.vuasexviet.com:22
www.vuasexviet.com:8080
www.vuasexviet.com:8880
www.vuasexviet.com:2052
www.vuasexviet.com:2082
www.vuasexviet.com:2086
www.vuasexviet.com:2095
www.vuasexviet.com:443
www.vuasexviet.com:2053
www.vuasexviet.com:2083
www.vuasexviet.com:2087
www.vuasexviet.com:2096
www.vuasexviet.com:8443
invasive.vuasexviet.com:80
invasive.vuasexviet.com:22
invasive.vuasexviet.com:8080
invasive.vuasexviet.com:8880
invasive.vuasexviet.com:2052
invasive.vuasexviet.com:2082
invasive.vuasexviet.com:2086
invasive.vuasexviet.com:2095
invasive.vuasexviet.com:443
invasive.vuasexviet.com:2053
invasive.vuasexviet.com:2083
invasive.vuasexviet.com:2087
invasive.vuasexviet.com:2096
invasive.vuasexviet.com:8443
malware.vuasexviet.com:80
malware.vuasexviet.com:22
malware.vuasexviet.com:8080
malware.vuasexviet.com:8880
malware.vuasexviet.com:2052
malware.vuasexviet.com:2082
malware.vuasexviet.com:2086
malware.vuasexviet.com:2095
malware.vuasexviet.com:443
malware.vuasexviet.com:2053
malware.vuasexviet.com:2083
malware.vuasexviet.com:2087
malware.vuasexviet.com:2096
malware.vuasexviet.com:8443
melissa.vuasexviet.com:80
melissa.vuasexviet.com:22
melissa.vuasexviet.com:8080
melissa.vuasexviet.com:8880
melissa.vuasexviet.com:2052
melissa.vuasexviet.com:2082
melissa.vuasexviet.com:2086
melissa.vuasexviet.com:2095
melissa.vuasexviet.com:443
melissa.vuasexviet.com:2053
melissa.vuasexviet.com:2083
melissa.vuasexviet.com:2087
melissa.vuasexviet.com:2096
melissa.vuasexviet.com:8443

Mutex

ysNW67KRzOYR

Attributes

delay
0
install
true
install_file
1rxidh2.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/0x000e00000001c48a-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
4476	1rxidh2.exe
4136	1rxidh2.exe

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
3472	cmd.exe
3784	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	4742c74ee72e5ae6d14ad563412224d0d475617c3bc0690539868977a29661b8.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	1rxidh2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1rxidh2.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
4724	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
1436	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
4796	4742c74ee72e5ae6d14ad563412224d0d475617c3bc0690539868977a29661b8.exe
4796	4742c74ee72e5ae6d14ad563412224d0d475617c3bc0690539868977a29661b8.exe
4796	4742c74ee72e5ae6d14ad563412224d0d475617c3bc0690539868977a29661b8.exe
4796	4742c74ee72e5ae6d14ad563412224d0d475617c3bc0690539868977a29661b8.exe
4796	4742c74ee72e5ae6d14ad563412224d0d475617c3bc0690539868977a29661b8.exe
4796	4742c74ee72e5ae6d14ad563412224d0d475617c3bc0690539868977a29661b8.exe
4796	4742c74ee72e5ae6d14ad563412224d0d475617c3bc0690539868977a29661b8.exe
4796	4742c74ee72e5ae6d14ad563412224d0d475617c3bc0690539868977a29661b8.exe
4796	4742c74ee72e5ae6d14ad563412224d0d475617c3bc0690539868977a29661b8.exe
4796	4742c74ee72e5ae6d14ad563412224d0d475617c3bc0690539868977a29661b8.exe
4796	4742c74ee72e5ae6d14ad563412224d0d475617c3bc0690539868977a29661b8.exe
4796	4742c74ee72e5ae6d14ad563412224d0d475617c3bc0690539868977a29661b8.exe
4796	4742c74ee72e5ae6d14ad563412224d0d475617c3bc0690539868977a29661b8.exe
4796	4742c74ee72e5ae6d14ad563412224d0d475617c3bc0690539868977a29661b8.exe
4796	4742c74ee72e5ae6d14ad563412224d0d475617c3bc0690539868977a29661b8.exe
4796	4742c74ee72e5ae6d14ad563412224d0d475617c3bc0690539868977a29661b8.exe
4796	4742c74ee72e5ae6d14ad563412224d0d475617c3bc0690539868977a29661b8.exe
4796	4742c74ee72e5ae6d14ad563412224d0d475617c3bc0690539868977a29661b8.exe
4796	4742c74ee72e5ae6d14ad563412224d0d475617c3bc0690539868977a29661b8.exe
4796	4742c74ee72e5ae6d14ad563412224d0d475617c3bc0690539868977a29661b8.exe
4796	4742c74ee72e5ae6d14ad563412224d0d475617c3bc0690539868977a29661b8.exe
4796	4742c74ee72e5ae6d14ad563412224d0d475617c3bc0690539868977a29661b8.exe
4796	4742c74ee72e5ae6d14ad563412224d0d475617c3bc0690539868977a29661b8.exe
4796	4742c74ee72e5ae6d14ad563412224d0d475617c3bc0690539868977a29661b8.exe
4796	4742c74ee72e5ae6d14ad563412224d0d475617c3bc0690539868977a29661b8.exe
4796	4742c74ee72e5ae6d14ad563412224d0d475617c3bc0690539868977a29661b8.exe
4796	4742c74ee72e5ae6d14ad563412224d0d475617c3bc0690539868977a29661b8.exe
4796	4742c74ee72e5ae6d14ad563412224d0d475617c3bc0690539868977a29661b8.exe
4796	4742c74ee72e5ae6d14ad563412224d0d475617c3bc0690539868977a29661b8.exe
4796	4742c74ee72e5ae6d14ad563412224d0d475617c3bc0690539868977a29661b8.exe
4796	4742c74ee72e5ae6d14ad563412224d0d475617c3bc0690539868977a29661b8.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4796	4742c74ee72e5ae6d14ad563412224d0d475617c3bc0690539868977a29661b8.exe
Token: SeDebugPrivilege	4476	1rxidh2.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4796 wrote to memory of 3472	4796	4742c74ee72e5ae6d14ad563412224d0d475617c3bc0690539868977a29661b8.exe	88
PID 4796 wrote to memory of 3784	4796	4742c74ee72e5ae6d14ad563412224d0d475617c3bc0690539868977a29661b8.exe	90
PID 3472 wrote to memory of 1436	3472	cmd.exe	92
PID 3784 wrote to memory of 4724	3784	cmd.exe	93
PID 3784 wrote to memory of 4136	3784	cmd.exe	96

C:\Users\Admin\AppData\Local\Temp\4742c74ee72e5ae6d14ad563412224d0d475617c3bc0690539868977a29661b8.exe
"C:\Users\Admin\AppData\Local\Temp\4742c74ee72e5ae6d14ad563412224d0d475617c3bc0690539868977a29661b8.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4796
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "1rxidh2" /tr '"C:\Users\Admin\AppData\Roaming\1rxidh2.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3472
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "1rxidh2" /tr '"C:\Users\Admin\AppData\Roaming\1rxidh2.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1436
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpC886.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3784
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4724
- - C:\Users\Admin\AppData\Roaming\1rxidh2.exe
    "C:\Users\Admin\AppData\Roaming\1rxidh2.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4136

C:\Users\Admin\AppData\Roaming\1rxidh2.exe
"C:\Users\Admin\AppData\Roaming\1rxidh2.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4476

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

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

tmpC886.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpC886.tmp.bat
Size 151B
SHA256 f10329c252263fdf91b155ff44b4921c9bb8fa5719c17cb776c61c621d96c7f0
MD5 0e3a08657f98601cdc46a9927bbfed27
SHA1 6aeede6fcee5384541659dd0041b96bd0a799c5a
SHA512 be6636e3f8fb3abf1f683345d9342693cedce2d085ddbc324a69d50d028218788bc2b96061bd66277df107ab57ebc914126d32b8bf9e6a184fe832ad43a7984d
TLSH
T16DC02B4255C9EA4E3C05282303FAE48D9376AE193F40FB40DB04400D76C044DF0ED341
MD5 SHA1 SHA512 TLSH

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1rxidh2.exe

Path C:\Users\Admin\AppData\Roaming\1rxidh2.exe
Size 45KB
SHA256 4742c74ee72e5ae6d14ad563412224d0d475617c3bc0690539868977a29661b8
MD5 02639ec06e49351741706a067862b183
SHA1 daa79cb8d9e87abb5ae591db88a2b6c4a90b0932
SHA512 2a5e3c65c4719e76cc278359f5b65fbbe3dcec1c57c080c71e15dafa2584bd83062c75d9b8916d41fdd19b7259a15f3896d9fd7225a88c11f03561c7f9bb5595
SSDEEP 768:8uUIpT4vvofWWUEXb+Imo2q4UITnyHaaPIazjbugX3ijQTotv7Pc7RBDZ0x:8uUIpT4vAj2wE5a3bRXSjQTo1Davd0x
TLSH
T10C232B0037E9C12BF2BE5F7899F26105867AF6633603D58E1CC4119B5B13FC69A426EE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/4476-12-0x0000000074640000-0x0000000074DFC000-memory.dmp

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memory/4476-14-0x0000000074640000-0x0000000074DFC000-memory.dmp

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memory/4796-0-0x00000000747C2000-0x00000000747C3000-memory.dmp

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memory/4796-1-0x00000000006C0000-0x00000000006D2000-memory.dmp

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memory/4796-2-0x00000000747B0000-0x0000000074F6C000-memory.dmp

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memory/4796-3-0x00000000050F0000-0x000000000518C000-memory.dmp

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memory/4796-8-0x00000000747B0000-0x0000000074F6C000-memory.dmp

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