asyncrat | 49afea543b209a3858667971ed89277f3c51ad7f391f47a5567cbbd367c3c500

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
10/07/2026, 11:00

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General

Target
49afea543b209a3858667971ed89277f3c51ad7f391f47a5567cbbd367c3c500.exe
Size 45KB
Sample260710-m39xtsa15s
SHA256 49afea543b209a3858667971ed89277f3c51ad7f391f47a5567cbbd367c3c500
MD5 0a4af8031ffe5b9b85c0bc0dc8c22974
SHA1 0e8914923b3365996fe0b51b93c4021fbd5d41f7
SHA512 28f0054fc821ded46c7d791bd1d33829b0cbbf0234842c7833fa6a03ae75e6a04dae4377113cdeaa6bb7e1f72890d99d3f6233daa9174e27b6ae37e793b8dbec
SSDEEP 768:kuSOpTPTCFcWUeXa6mo2qAmfPLyiObvtkjZPIrzjbqgXDiHbgMovz+zLM3MDPBDo:kuSOpTPOP2Wf2iyyjWr3b9XeHbgMjMMi
TLSH
T11D232B003BE9812BF2BE4F7899F25145867AE2732603D54A1CC451DB5723FC6DA42AFE
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

sexviet11.com:80
sexviet11.com:22
sexviet11.com:8080
sexviet11.com:8880
sexviet11.com:2052
sexviet11.com:2082
sexviet11.com:2086
sexviet11.com:2095
sexviet11.com:443
sexviet11.com:2053
sexviet11.com:2083
sexviet11.com:2087
sexviet11.com:2096
sexviet11.com:8443
www.sexviet11.com:80
www.sexviet11.com:22
www.sexviet11.com:8080
www.sexviet11.com:8880
www.sexviet11.com:2052
www.sexviet11.com:2082
www.sexviet11.com:2086
www.sexviet11.com:2095
www.sexviet11.com:443
www.sexviet11.com:2053
www.sexviet11.com:2083
www.sexviet11.com:2087
www.sexviet11.com:2096
www.sexviet11.com:8443
malware.sexviet11.com:80
malware.sexviet11.com:22
malware.sexviet11.com:8080
malware.sexviet11.com:8880
malware.sexviet11.com:2052
malware.sexviet11.com:2082
malware.sexviet11.com:2086
malware.sexviet11.com:2095
malware.sexviet11.com:443
malware.sexviet11.com:2053
malware.sexviet11.com:2083
malware.sexviet11.com:2087
malware.sexviet11.com:2096
malware.sexviet11.com:8443
lokibot.sexviet11.com:80
lokibot.sexviet11.com:22
lokibot.sexviet11.com:8080
lokibot.sexviet11.com:8880
lokibot.sexviet11.com:2052
lokibot.sexviet11.com:2082
lokibot.sexviet11.com:2086
lokibot.sexviet11.com:2095
lokibot.sexviet11.com:443
lokibot.sexviet11.com:2053
lokibot.sexviet11.com:2083
lokibot.sexviet11.com:2087
lokibot.sexviet11.com:2096
lokibot.sexviet11.com:8443
stuxnet.sexviet11.com:80
stuxnet.sexviet11.com:22
stuxnet.sexviet11.com:8080
stuxnet.sexviet11.com:8880
stuxnet.sexviet11.com:2052
stuxnet.sexviet11.com:2082
stuxnet.sexviet11.com:2086
stuxnet.sexviet11.com:2095
stuxnet.sexviet11.com:443
stuxnet.sexviet11.com:2053
stuxnet.sexviet11.com:2083
stuxnet.sexviet11.com:2087
stuxnet.sexviet11.com:2096
stuxnet.sexviet11.com:8443
dridex.sexviet11.com:80
dridex.sexviet11.com:22
dridex.sexviet11.com:8080
dridex.sexviet11.com:8880
dridex.sexviet11.com:2052
dridex.sexviet11.com:2082
dridex.sexviet11.com:2086
dridex.sexviet11.com:2095
dridex.sexviet11.com:443
dridex.sexviet11.com:2053
dridex.sexviet11.com:2083
dridex.sexviet11.com:2087
dridex.sexviet11.com:2096
dridex.sexviet11.com:8443

Mutex

7OHXiKIXzGCT

Attributes

delay
0
install
true
install_file
u5lp.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/0x000e00000001c49d-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
4360	u5lp.exe
1816	u5lp.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	u5lp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	u5lp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	49afea543b209a3858667971ed89277f3c51ad7f391f47a5567cbbd367c3c500.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
3844	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
1412	schtasks.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
1856	49afea543b209a3858667971ed89277f3c51ad7f391f47a5567cbbd367c3c500.exe
1856	49afea543b209a3858667971ed89277f3c51ad7f391f47a5567cbbd367c3c500.exe
1856	49afea543b209a3858667971ed89277f3c51ad7f391f47a5567cbbd367c3c500.exe
1856	49afea543b209a3858667971ed89277f3c51ad7f391f47a5567cbbd367c3c500.exe
1856	49afea543b209a3858667971ed89277f3c51ad7f391f47a5567cbbd367c3c500.exe
1856	49afea543b209a3858667971ed89277f3c51ad7f391f47a5567cbbd367c3c500.exe
1856	49afea543b209a3858667971ed89277f3c51ad7f391f47a5567cbbd367c3c500.exe
1856	49afea543b209a3858667971ed89277f3c51ad7f391f47a5567cbbd367c3c500.exe
1856	49afea543b209a3858667971ed89277f3c51ad7f391f47a5567cbbd367c3c500.exe
1856	49afea543b209a3858667971ed89277f3c51ad7f391f47a5567cbbd367c3c500.exe
1856	49afea543b209a3858667971ed89277f3c51ad7f391f47a5567cbbd367c3c500.exe
1856	49afea543b209a3858667971ed89277f3c51ad7f391f47a5567cbbd367c3c500.exe
1856	49afea543b209a3858667971ed89277f3c51ad7f391f47a5567cbbd367c3c500.exe
1856	49afea543b209a3858667971ed89277f3c51ad7f391f47a5567cbbd367c3c500.exe
1856	49afea543b209a3858667971ed89277f3c51ad7f391f47a5567cbbd367c3c500.exe
1856	49afea543b209a3858667971ed89277f3c51ad7f391f47a5567cbbd367c3c500.exe
1856	49afea543b209a3858667971ed89277f3c51ad7f391f47a5567cbbd367c3c500.exe
1856	49afea543b209a3858667971ed89277f3c51ad7f391f47a5567cbbd367c3c500.exe
1856	49afea543b209a3858667971ed89277f3c51ad7f391f47a5567cbbd367c3c500.exe
1856	49afea543b209a3858667971ed89277f3c51ad7f391f47a5567cbbd367c3c500.exe
1856	49afea543b209a3858667971ed89277f3c51ad7f391f47a5567cbbd367c3c500.exe
1856	49afea543b209a3858667971ed89277f3c51ad7f391f47a5567cbbd367c3c500.exe
1856	49afea543b209a3858667971ed89277f3c51ad7f391f47a5567cbbd367c3c500.exe
1856	49afea543b209a3858667971ed89277f3c51ad7f391f47a5567cbbd367c3c500.exe
1856	49afea543b209a3858667971ed89277f3c51ad7f391f47a5567cbbd367c3c500.exe
1856	49afea543b209a3858667971ed89277f3c51ad7f391f47a5567cbbd367c3c500.exe
1856	49afea543b209a3858667971ed89277f3c51ad7f391f47a5567cbbd367c3c500.exe
1856	49afea543b209a3858667971ed89277f3c51ad7f391f47a5567cbbd367c3c500.exe
1856	49afea543b209a3858667971ed89277f3c51ad7f391f47a5567cbbd367c3c500.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1856	49afea543b209a3858667971ed89277f3c51ad7f391f47a5567cbbd367c3c500.exe
Token: SeDebugPrivilege	4360	u5lp.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1856 wrote to memory of 3348	1856	49afea543b209a3858667971ed89277f3c51ad7f391f47a5567cbbd367c3c500.exe	87
PID 1856 wrote to memory of 4132	1856	49afea543b209a3858667971ed89277f3c51ad7f391f47a5567cbbd367c3c500.exe	88
PID 3348 wrote to memory of 1412	3348	cmd.exe	91
PID 4132 wrote to memory of 3844	4132	cmd.exe	92
PID 4132 wrote to memory of 1816	4132	cmd.exe	95

C:\Users\Admin\AppData\Local\Temp\49afea543b209a3858667971ed89277f3c51ad7f391f47a5567cbbd367c3c500.exe
"C:\Users\Admin\AppData\Local\Temp\49afea543b209a3858667971ed89277f3c51ad7f391f47a5567cbbd367c3c500.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1856
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "u5lp" /tr '"C:\Users\Admin\AppData\Roaming\u5lp.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3348
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "u5lp" /tr '"C:\Users\Admin\AppData\Roaming\u5lp.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1412
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp4145.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4132
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:3844
- - C:\Users\Admin\AppData\Roaming\u5lp.exe
    "C:\Users\Admin\AppData\Roaming\u5lp.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1816

C:\Users\Admin\AppData\Roaming\u5lp.exe
"C:\Users\Admin\AppData\Roaming\u5lp.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4360

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

tmp4145.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp4145.tmp.bat
Size 148B
SHA256 42bc9d887ee86cbbd55a7665979772a31865e6e2e31ad4e8c193ccf1a71c338e
MD5 a90e84411868d2391a7dc25a9478d31f
SHA1 99653800da67f13f72c6e0aee659a299bd551ddd
SHA512 c6595d4ea75c9360c96d7ff2c36fd838e17136b2a2fd21859c4bd8128c92df9c4c887424ac9cf572e2fc1b6d205b7b66e4c0a1b3ad17a3576943392d15bf3f28
TLSH
T101C02B9279C5FE4E2805642307FEE49CA2B2EC293F44BB00C304444D12C0888F4D9341
MD5 SHA1 SHA512 TLSH

Submit Download

u5lp.exe

Path C:\Users\Admin\AppData\Roaming\u5lp.exe
Size 45KB
SHA256 49afea543b209a3858667971ed89277f3c51ad7f391f47a5567cbbd367c3c500
MD5 0a4af8031ffe5b9b85c0bc0dc8c22974
SHA1 0e8914923b3365996fe0b51b93c4021fbd5d41f7
SHA512 28f0054fc821ded46c7d791bd1d33829b0cbbf0234842c7833fa6a03ae75e6a04dae4377113cdeaa6bb7e1f72890d99d3f6233daa9174e27b6ae37e793b8dbec
SSDEEP 768:kuSOpTPTCFcWUeXa6mo2qAmfPLyiObvtkjZPIrzjbqgXDiHbgMovz+zLM3MDPBDo:kuSOpTPOP2Wf2iyyjWr3b9XeHbgMjMMi
TLSH
T11D232B003BE9812BF2BE4F7899F25145867AE2732603D54A1CC451DB5723FC6DA42AFE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/1856-0-0x0000000074C12000-0x0000000074C13000-memory.dmp

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memory/1856-1-0x0000000000B50000-0x0000000000B62000-memory.dmp

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memory/1856-2-0x0000000074C00000-0x00000000753BC000-memory.dmp

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memory/1856-3-0x0000000005720000-0x00000000057BC000-memory.dmp

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memory/1856-8-0x0000000074C00000-0x00000000753BC000-memory.dmp

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memory/4360-12-0x0000000074A00000-0x00000000751BC000-memory.dmp

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memory/4360-14-0x0000000074A00000-0x00000000751BC000-memory.dmp

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