asyncrat | 793071a991e9fb900e659e5d1ac7fa2b81942d913c768aa712a27e9c238ce202

Analysis

max time kernel
148s
max time network
151s
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, 15:12

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General

Target
793071a991e9fb900e659e5d1ac7fa2b81942d913c768aa712a27e9c238ce202.exe
Size 45KB
Sample260710-slhd5sd12x
SHA256 793071a991e9fb900e659e5d1ac7fa2b81942d913c768aa712a27e9c238ce202
MD5 69dc4b81b15b08329fd2d4a5bd09699a
SHA1 e712c29c87f2d7e355b9d52d501bbcc363fac0f4
SHA512 be680e2522f9350afe50d24efc2da569d44bc502b95ecb2cded9b6452d863aa8c35a12785c7db6fed92c1809b809de6cc8888caa9505d757ff9df0df568eaf37
SSDEEP 768:wuZ8pT1Uu4/cWUeT66mo2q1I0ewUkAUMiZPIPzjbbRga3iSW7TG3l8Jwf3wBDZMx:wuZ8pT1tc2/wvqiWP3byaSr7TFwf3mdO
TLSH
T1BE2309003BE9812BF2BE5F78A9F26141867AF2672603D54E1CC451DB5623FC6CA439ED
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
sasser.sexviet11.com:80
sasser.sexviet11.com:22
sasser.sexviet11.com:8080
sasser.sexviet11.com:8880
sasser.sexviet11.com:2052
sasser.sexviet11.com:2082
sasser.sexviet11.com:2086
sasser.sexviet11.com:2095
sasser.sexviet11.com:443
sasser.sexviet11.com:2053
sasser.sexviet11.com:2083
sasser.sexviet11.com:2087
sasser.sexviet11.com:2096
sasser.sexviet11.com:8443

Mutex

Vwtw2rv1ZYES

Attributes

delay
0
install
true
install_file
18sg.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/0x000e00000001c492-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
4180	18sg.exe
2336	18sg.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	18sg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	793071a991e9fb900e659e5d1ac7fa2b81942d913c768aa712a27e9c238ce202.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	18sg.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
4860	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
864	schtasks.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
4660	793071a991e9fb900e659e5d1ac7fa2b81942d913c768aa712a27e9c238ce202.exe
4660	793071a991e9fb900e659e5d1ac7fa2b81942d913c768aa712a27e9c238ce202.exe
4660	793071a991e9fb900e659e5d1ac7fa2b81942d913c768aa712a27e9c238ce202.exe
4660	793071a991e9fb900e659e5d1ac7fa2b81942d913c768aa712a27e9c238ce202.exe
4660	793071a991e9fb900e659e5d1ac7fa2b81942d913c768aa712a27e9c238ce202.exe
4660	793071a991e9fb900e659e5d1ac7fa2b81942d913c768aa712a27e9c238ce202.exe
4660	793071a991e9fb900e659e5d1ac7fa2b81942d913c768aa712a27e9c238ce202.exe
4660	793071a991e9fb900e659e5d1ac7fa2b81942d913c768aa712a27e9c238ce202.exe
4660	793071a991e9fb900e659e5d1ac7fa2b81942d913c768aa712a27e9c238ce202.exe
4660	793071a991e9fb900e659e5d1ac7fa2b81942d913c768aa712a27e9c238ce202.exe
4660	793071a991e9fb900e659e5d1ac7fa2b81942d913c768aa712a27e9c238ce202.exe
4660	793071a991e9fb900e659e5d1ac7fa2b81942d913c768aa712a27e9c238ce202.exe
4660	793071a991e9fb900e659e5d1ac7fa2b81942d913c768aa712a27e9c238ce202.exe
4660	793071a991e9fb900e659e5d1ac7fa2b81942d913c768aa712a27e9c238ce202.exe
4660	793071a991e9fb900e659e5d1ac7fa2b81942d913c768aa712a27e9c238ce202.exe
4660	793071a991e9fb900e659e5d1ac7fa2b81942d913c768aa712a27e9c238ce202.exe
4660	793071a991e9fb900e659e5d1ac7fa2b81942d913c768aa712a27e9c238ce202.exe
4660	793071a991e9fb900e659e5d1ac7fa2b81942d913c768aa712a27e9c238ce202.exe
4660	793071a991e9fb900e659e5d1ac7fa2b81942d913c768aa712a27e9c238ce202.exe
4660	793071a991e9fb900e659e5d1ac7fa2b81942d913c768aa712a27e9c238ce202.exe
4660	793071a991e9fb900e659e5d1ac7fa2b81942d913c768aa712a27e9c238ce202.exe
4660	793071a991e9fb900e659e5d1ac7fa2b81942d913c768aa712a27e9c238ce202.exe
4660	793071a991e9fb900e659e5d1ac7fa2b81942d913c768aa712a27e9c238ce202.exe
4660	793071a991e9fb900e659e5d1ac7fa2b81942d913c768aa712a27e9c238ce202.exe
4660	793071a991e9fb900e659e5d1ac7fa2b81942d913c768aa712a27e9c238ce202.exe
4660	793071a991e9fb900e659e5d1ac7fa2b81942d913c768aa712a27e9c238ce202.exe
4660	793071a991e9fb900e659e5d1ac7fa2b81942d913c768aa712a27e9c238ce202.exe
4660	793071a991e9fb900e659e5d1ac7fa2b81942d913c768aa712a27e9c238ce202.exe
4660	793071a991e9fb900e659e5d1ac7fa2b81942d913c768aa712a27e9c238ce202.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4660	793071a991e9fb900e659e5d1ac7fa2b81942d913c768aa712a27e9c238ce202.exe
Token: SeDebugPrivilege	4180	18sg.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4660 wrote to memory of 5608	4660	793071a991e9fb900e659e5d1ac7fa2b81942d913c768aa712a27e9c238ce202.exe	88
PID 4660 wrote to memory of 5084	4660	793071a991e9fb900e659e5d1ac7fa2b81942d913c768aa712a27e9c238ce202.exe	90
PID 5608 wrote to memory of 864	5608	cmd.exe	92
PID 5084 wrote to memory of 4860	5084	cmd.exe	93
PID 5084 wrote to memory of 2336	5084	cmd.exe	96

C:\Users\Admin\AppData\Local\Temp\793071a991e9fb900e659e5d1ac7fa2b81942d913c768aa712a27e9c238ce202.exe
"C:\Users\Admin\AppData\Local\Temp\793071a991e9fb900e659e5d1ac7fa2b81942d913c768aa712a27e9c238ce202.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4660
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "18sg" /tr '"C:\Users\Admin\AppData\Roaming\18sg.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5608
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "18sg" /tr '"C:\Users\Admin\AppData\Roaming\18sg.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:864
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp1C19.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5084
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4860
- - C:\Users\Admin\AppData\Roaming\18sg.exe
    "C:\Users\Admin\AppData\Roaming\18sg.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2336

C:\Users\Admin\AppData\Roaming\18sg.exe
"C:\Users\Admin\AppData\Roaming\18sg.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4180

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

tmp1C19.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp1C19.tmp.bat
Size 148B
SHA256 41429c713df360ade1781cc3f7ae55c718f1213a22ed8d2e0d4b7b6323ea7a56
MD5 bde44b6cc73f3bd8b12f748bc6045853
SHA1 5b8b12b578fcb52499a96f69ce1aba2066b2030a
SHA512 b83a3437afe5ddd630ae34411c381f1489d3be0db4ba0906c3117647495ab5849ee42936b9c1797d5384ee052fdc6f54b3aa6a7ee6bbd51dbfd060ece0d2180b
TLSH
T18DC02B4259C6FE4E7909642302FAD49C9572AC693F40BF10C304440D6280848F0ED341
MD5 SHA1 SHA512 TLSH

Submit Download

18sg.exe

Path C:\Users\Admin\AppData\Roaming\18sg.exe
Size 45KB
SHA256 793071a991e9fb900e659e5d1ac7fa2b81942d913c768aa712a27e9c238ce202
MD5 69dc4b81b15b08329fd2d4a5bd09699a
SHA1 e712c29c87f2d7e355b9d52d501bbcc363fac0f4
SHA512 be680e2522f9350afe50d24efc2da569d44bc502b95ecb2cded9b6452d863aa8c35a12785c7db6fed92c1809b809de6cc8888caa9505d757ff9df0df568eaf37
SSDEEP 768:wuZ8pT1Uu4/cWUeT66mo2q1I0ewUkAUMiZPIPzjbbRga3iSW7TG3l8Jwf3wBDZMx:wuZ8pT1tc2/wvqiWP3byaSr7TFwf3mdO
TLSH
T1BE2309003BE9812BF2BE5F78A9F26141867AF2672603D54E1CC451DB5623FC6CA439ED
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/4180-12-0x0000000074C90000-0x000000007544C000-memory.dmp

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memory/4180-14-0x0000000074C90000-0x000000007544C000-memory.dmp

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memory/4660-0-0x0000000074E12000-0x0000000074E13000-memory.dmp

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memory/4660-1-0x0000000000C40000-0x0000000000C52000-memory.dmp

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memory/4660-2-0x0000000074E00000-0x00000000755BC000-memory.dmp

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memory/4660-3-0x0000000005600000-0x000000000569C000-memory.dmp

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memory/4660-8-0x0000000074E00000-0x00000000755BC000-memory.dmp

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