asyncrat | 38028e04cc315e5b4ccd2bd838358691e2b0a6246773d165f73a13d19fd22a7b

Analysis

max time kernel
7s
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
02/08/2026, 16:07

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General

Target
38028e04cc315e5b4ccd2bd838358691e2b0a6246773d165f73a13d19fd22a7b.exe
Size 45KB
Sample260802-tkqjssstcz
SHA256 38028e04cc315e5b4ccd2bd838358691e2b0a6246773d165f73a13d19fd22a7b
MD5 041eb4ab54d44bfb7f615da34e0533a2
SHA1 1594c8fc9948de9b90d4894d828c21d8d2bf7ac5
SHA512 782cdaf723bdc3bc99d1ff5b63fbfb8d5023ad86871af70f68db40fab61855ff1cbda14c743465ba9f537e041420d07d7b12fdc7626cfb9d092e4c1d7cc91b68
SSDEEP 768:5uSy6pTpwrSWWUE3/WImo2qNrzjHynaKPIsEjb7gX3ijW0jD0nfxiXSMPBDZ0x:5uSy6pTpoo2onZsEbEXSjljQnZYd0x
TLSH
T1CF232B003BE9C127F2BE4F789DF26105857AF6632A03D58A1CC451DB5713FC68A52AFA
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

sexviet41.com:80
sexviet41.com:22
sexviet41.com:8080
sexviet41.com:8880
sexviet41.com:2052
sexviet41.com:2082
sexviet41.com:2086
sexviet41.com:2095
sexviet41.com:443
sexviet41.com:2053
sexviet41.com:2083
sexviet41.com:2087
sexviet41.com:2096
sexviet41.com:8443
www.sexviet41.com:80
www.sexviet41.com:22
www.sexviet41.com:8080
www.sexviet41.com:8880
www.sexviet41.com:2052
www.sexviet41.com:2082
www.sexviet41.com:2086
www.sexviet41.com:2095
www.sexviet41.com:443
www.sexviet41.com:2053
www.sexviet41.com:2083
www.sexviet41.com:2087
www.sexviet41.com:2096
www.sexviet41.com:8443
conficker.sexviet41.com:80
conficker.sexviet41.com:22
conficker.sexviet41.com:8080
conficker.sexviet41.com:8880
conficker.sexviet41.com:2052
conficker.sexviet41.com:2082
conficker.sexviet41.com:2086
conficker.sexviet41.com:2095
conficker.sexviet41.com:443
conficker.sexviet41.com:2053
conficker.sexviet41.com:2083
conficker.sexviet41.com:2087
conficker.sexviet41.com:2096
conficker.sexviet41.com:8443
malware.sexviet41.com:80
malware.sexviet41.com:22
malware.sexviet41.com:8080
malware.sexviet41.com:8880
malware.sexviet41.com:2052
malware.sexviet41.com:2082
malware.sexviet41.com:2086
malware.sexviet41.com:2095
malware.sexviet41.com:443
malware.sexviet41.com:2053
malware.sexviet41.com:2083
malware.sexviet41.com:2087
malware.sexviet41.com:2096
malware.sexviet41.com:8443

Mutex

YDh1JM9qyOfD

Attributes

delay
0
install
true
install_file
tw274p9.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/0x000e00000001c54d-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
244	tw274p9.exe
5876	tw274p9.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	16	172.67.185.154:22
SSH destination	17	104.21.0.94:22

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
2728	cmd.exe
2504	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	tw274p9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tw274p9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	38028e04cc315e5b4ccd2bd838358691e2b0a6246773d165f73a13d19fd22a7b.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

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
2944	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
3264	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2952	38028e04cc315e5b4ccd2bd838358691e2b0a6246773d165f73a13d19fd22a7b.exe
2952	38028e04cc315e5b4ccd2bd838358691e2b0a6246773d165f73a13d19fd22a7b.exe
2952	38028e04cc315e5b4ccd2bd838358691e2b0a6246773d165f73a13d19fd22a7b.exe
2952	38028e04cc315e5b4ccd2bd838358691e2b0a6246773d165f73a13d19fd22a7b.exe
2952	38028e04cc315e5b4ccd2bd838358691e2b0a6246773d165f73a13d19fd22a7b.exe
2952	38028e04cc315e5b4ccd2bd838358691e2b0a6246773d165f73a13d19fd22a7b.exe
2952	38028e04cc315e5b4ccd2bd838358691e2b0a6246773d165f73a13d19fd22a7b.exe
2952	38028e04cc315e5b4ccd2bd838358691e2b0a6246773d165f73a13d19fd22a7b.exe
2952	38028e04cc315e5b4ccd2bd838358691e2b0a6246773d165f73a13d19fd22a7b.exe
2952	38028e04cc315e5b4ccd2bd838358691e2b0a6246773d165f73a13d19fd22a7b.exe
2952	38028e04cc315e5b4ccd2bd838358691e2b0a6246773d165f73a13d19fd22a7b.exe
2952	38028e04cc315e5b4ccd2bd838358691e2b0a6246773d165f73a13d19fd22a7b.exe
2952	38028e04cc315e5b4ccd2bd838358691e2b0a6246773d165f73a13d19fd22a7b.exe
2952	38028e04cc315e5b4ccd2bd838358691e2b0a6246773d165f73a13d19fd22a7b.exe
2952	38028e04cc315e5b4ccd2bd838358691e2b0a6246773d165f73a13d19fd22a7b.exe
2952	38028e04cc315e5b4ccd2bd838358691e2b0a6246773d165f73a13d19fd22a7b.exe
2952	38028e04cc315e5b4ccd2bd838358691e2b0a6246773d165f73a13d19fd22a7b.exe
2952	38028e04cc315e5b4ccd2bd838358691e2b0a6246773d165f73a13d19fd22a7b.exe
2952	38028e04cc315e5b4ccd2bd838358691e2b0a6246773d165f73a13d19fd22a7b.exe
2952	38028e04cc315e5b4ccd2bd838358691e2b0a6246773d165f73a13d19fd22a7b.exe
2952	38028e04cc315e5b4ccd2bd838358691e2b0a6246773d165f73a13d19fd22a7b.exe
2952	38028e04cc315e5b4ccd2bd838358691e2b0a6246773d165f73a13d19fd22a7b.exe
2952	38028e04cc315e5b4ccd2bd838358691e2b0a6246773d165f73a13d19fd22a7b.exe
2952	38028e04cc315e5b4ccd2bd838358691e2b0a6246773d165f73a13d19fd22a7b.exe
2952	38028e04cc315e5b4ccd2bd838358691e2b0a6246773d165f73a13d19fd22a7b.exe
2952	38028e04cc315e5b4ccd2bd838358691e2b0a6246773d165f73a13d19fd22a7b.exe
2952	38028e04cc315e5b4ccd2bd838358691e2b0a6246773d165f73a13d19fd22a7b.exe
2952	38028e04cc315e5b4ccd2bd838358691e2b0a6246773d165f73a13d19fd22a7b.exe
2952	38028e04cc315e5b4ccd2bd838358691e2b0a6246773d165f73a13d19fd22a7b.exe
2952	38028e04cc315e5b4ccd2bd838358691e2b0a6246773d165f73a13d19fd22a7b.exe
2952	38028e04cc315e5b4ccd2bd838358691e2b0a6246773d165f73a13d19fd22a7b.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2952	38028e04cc315e5b4ccd2bd838358691e2b0a6246773d165f73a13d19fd22a7b.exe
Token: SeDebugPrivilege	244	tw274p9.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2952 wrote to memory of 2728	2952	38028e04cc315e5b4ccd2bd838358691e2b0a6246773d165f73a13d19fd22a7b.exe	89
PID 2952 wrote to memory of 2504	2952	38028e04cc315e5b4ccd2bd838358691e2b0a6246773d165f73a13d19fd22a7b.exe	91
PID 2728 wrote to memory of 3264	2728	cmd.exe	93
PID 2504 wrote to memory of 2944	2504	cmd.exe	94
PID 2504 wrote to memory of 5876	2504	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\38028e04cc315e5b4ccd2bd838358691e2b0a6246773d165f73a13d19fd22a7b.exe
"C:\Users\Admin\AppData\Local\Temp\38028e04cc315e5b4ccd2bd838358691e2b0a6246773d165f73a13d19fd22a7b.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2952
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "tw274p9" /tr '"C:\Users\Admin\AppData\Roaming\tw274p9.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2728
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "tw274p9" /tr '"C:\Users\Admin\AppData\Roaming\tw274p9.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3264
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp4F3F.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2504
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:2944
- - C:\Users\Admin\AppData\Roaming\tw274p9.exe
    "C:\Users\Admin\AppData\Roaming\tw274p9.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:5876

C:\Users\Admin\AppData\Roaming\tw274p9.exe
"C:\Users\Admin\AppData\Roaming\tw274p9.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:244

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

tmp4F3F.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp4F3F.tmp.bat
Size 151B
SHA256 ae06cfe039c2bb26abd0bf0bf843dec859f7e327ee0a282a844b8894b4d273fc
MD5 70489de63fa143144a9d429b2581b4b8
SHA1 b70cec1f2f06f87889c391a228aa00ef35f17558
SHA512 8df94fdab6a6cabe074c80961b18eba9a7a4a062806bcd6b4d2563404b8ae7cf7adfd71e2321dc701716294730d5ab4a81f45ae80ba589c31d623f5053f4265a
TLSH
T164C08C4652C9AE0E6809241302FA949C9272685A3F44BF00878844491A80448E0A9241
MD5 SHA1 SHA512 TLSH

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tw274p9.exe

Path C:\Users\Admin\AppData\Roaming\tw274p9.exe
Size 45KB
SHA256 38028e04cc315e5b4ccd2bd838358691e2b0a6246773d165f73a13d19fd22a7b
MD5 041eb4ab54d44bfb7f615da34e0533a2
SHA1 1594c8fc9948de9b90d4894d828c21d8d2bf7ac5
SHA512 782cdaf723bdc3bc99d1ff5b63fbfb8d5023ad86871af70f68db40fab61855ff1cbda14c743465ba9f537e041420d07d7b12fdc7626cfb9d092e4c1d7cc91b68
SSDEEP 768:5uSy6pTpwrSWWUE3/WImo2qNrzjHynaKPIsEjb7gX3ijW0jD0nfxiXSMPBDZ0x:5uSy6pTpoo2onZsEbEXSjljQnZYd0x
TLSH
T1CF232B003BE9C127F2BE4F789DF26105857AF6632A03D58A1CC451DB5713FC68A52AFA
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/244-12-0x00000000740C0000-0x000000007487C000-memory.dmp

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memory/244-14-0x00000000740C0000-0x000000007487C000-memory.dmp

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memory/2952-0-0x0000000074242000-0x0000000074243000-memory.dmp

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memory/2952-1-0x0000000000800000-0x0000000000812000-memory.dmp

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memory/2952-2-0x0000000074230000-0x00000000749EC000-memory.dmp

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memory/2952-3-0x00000000051E0000-0x000000000527C000-memory.dmp

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memory/2952-8-0x0000000074230000-0x00000000749EC000-memory.dmp

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