asyncrat | 27b79a7193cfd7926dec0b3521a0dafe69ae8f666d8804cf513683ebeab1e899

Analysis

max time kernel
150s
max time network
153s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
05/08/2026, 14:16

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General

Target
27b79a7193cfd7926dec0b3521a0dafe69ae8f666d8804cf513683ebeab1e899.exe
Size 45KB
Sample260805-rlf1msbe68
SHA256 27b79a7193cfd7926dec0b3521a0dafe69ae8f666d8804cf513683ebeab1e899
MD5 7c2406426d50ba371cef993949740b41
SHA1 1b50c3a36653086aff0f301a39070f0ba1799685
SHA512 8c1adc0cf5da3aed4281f1c3399df308a8ca931414fc2bd8d9a242da0a7e4714498359c44bbb2826ee7618cb04f779518a38799e469d695ef4fa420a46fb4c98
SSDEEP 768:5uSy6pTpwrSWWUE3/WImo2qNrzjHy/aKPIb/jbogX3iOWOrvT3O4inAABDZ0x:5uSy6pTpoo2onhbLb/XSOWirennAWd0x
TLSH
T1BB232A003BE98227F2BE4F789DF26145867EF6632A03D6491CC4119B5613FC68A526FE
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

sexybeam.me:80
sexybeam.me:22
sexybeam.me:8080
sexybeam.me:8880
sexybeam.me:2052
sexybeam.me:2082
sexybeam.me:2086
sexybeam.me:2095
sexybeam.me:443
sexybeam.me:2053
sexybeam.me:2083
sexybeam.me:2087
sexybeam.me:2096
sexybeam.me:8443
www.sexybeam.me:80
www.sexybeam.me:22
www.sexybeam.me:8080
www.sexybeam.me:8880
www.sexybeam.me:2052
www.sexybeam.me:2082
www.sexybeam.me:2086
www.sexybeam.me:2095
www.sexybeam.me:443
www.sexybeam.me:2053
www.sexybeam.me:2083
www.sexybeam.me:2087
www.sexybeam.me:2096
www.sexybeam.me:8443
hermeticwiper.sexybeam.me:80
hermeticwiper.sexybeam.me:22
hermeticwiper.sexybeam.me:8080
hermeticwiper.sexybeam.me:8880
hermeticwiper.sexybeam.me:2052
hermeticwiper.sexybeam.me:2082
hermeticwiper.sexybeam.me:2086
hermeticwiper.sexybeam.me:2095
hermeticwiper.sexybeam.me:443
hermeticwiper.sexybeam.me:2053
hermeticwiper.sexybeam.me:2083
hermeticwiper.sexybeam.me:2087
hermeticwiper.sexybeam.me:2096
hermeticwiper.sexybeam.me:8443
malware.sexybeam.me:80
malware.sexybeam.me:22
malware.sexybeam.me:8080
malware.sexybeam.me:8880
malware.sexybeam.me:2052
malware.sexybeam.me:2082
malware.sexybeam.me:2086
malware.sexybeam.me:2095
malware.sexybeam.me:443
malware.sexybeam.me:2053
malware.sexybeam.me:2083
malware.sexybeam.me:2087
malware.sexybeam.me:2096
malware.sexybeam.me:8443

Mutex

KYOBYmUAYaA0

Attributes

delay
0
install
true
install_file
vt4vng7.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/0x000d00000001c5b0-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
1956	vt4vng7.exe
2440	vt4vng7.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
4052	cmd.exe
4520	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	vt4vng7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	27b79a7193cfd7926dec0b3521a0dafe69ae8f666d8804cf513683ebeab1e899.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	vt4vng7.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
4896	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
2120	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
4864	27b79a7193cfd7926dec0b3521a0dafe69ae8f666d8804cf513683ebeab1e899.exe
4864	27b79a7193cfd7926dec0b3521a0dafe69ae8f666d8804cf513683ebeab1e899.exe
4864	27b79a7193cfd7926dec0b3521a0dafe69ae8f666d8804cf513683ebeab1e899.exe
4864	27b79a7193cfd7926dec0b3521a0dafe69ae8f666d8804cf513683ebeab1e899.exe
4864	27b79a7193cfd7926dec0b3521a0dafe69ae8f666d8804cf513683ebeab1e899.exe
4864	27b79a7193cfd7926dec0b3521a0dafe69ae8f666d8804cf513683ebeab1e899.exe
4864	27b79a7193cfd7926dec0b3521a0dafe69ae8f666d8804cf513683ebeab1e899.exe
4864	27b79a7193cfd7926dec0b3521a0dafe69ae8f666d8804cf513683ebeab1e899.exe
4864	27b79a7193cfd7926dec0b3521a0dafe69ae8f666d8804cf513683ebeab1e899.exe
4864	27b79a7193cfd7926dec0b3521a0dafe69ae8f666d8804cf513683ebeab1e899.exe
4864	27b79a7193cfd7926dec0b3521a0dafe69ae8f666d8804cf513683ebeab1e899.exe
4864	27b79a7193cfd7926dec0b3521a0dafe69ae8f666d8804cf513683ebeab1e899.exe
4864	27b79a7193cfd7926dec0b3521a0dafe69ae8f666d8804cf513683ebeab1e899.exe
4864	27b79a7193cfd7926dec0b3521a0dafe69ae8f666d8804cf513683ebeab1e899.exe
4864	27b79a7193cfd7926dec0b3521a0dafe69ae8f666d8804cf513683ebeab1e899.exe
4864	27b79a7193cfd7926dec0b3521a0dafe69ae8f666d8804cf513683ebeab1e899.exe
4864	27b79a7193cfd7926dec0b3521a0dafe69ae8f666d8804cf513683ebeab1e899.exe
4864	27b79a7193cfd7926dec0b3521a0dafe69ae8f666d8804cf513683ebeab1e899.exe
4864	27b79a7193cfd7926dec0b3521a0dafe69ae8f666d8804cf513683ebeab1e899.exe
4864	27b79a7193cfd7926dec0b3521a0dafe69ae8f666d8804cf513683ebeab1e899.exe
4864	27b79a7193cfd7926dec0b3521a0dafe69ae8f666d8804cf513683ebeab1e899.exe
4864	27b79a7193cfd7926dec0b3521a0dafe69ae8f666d8804cf513683ebeab1e899.exe
4864	27b79a7193cfd7926dec0b3521a0dafe69ae8f666d8804cf513683ebeab1e899.exe
4864	27b79a7193cfd7926dec0b3521a0dafe69ae8f666d8804cf513683ebeab1e899.exe
4864	27b79a7193cfd7926dec0b3521a0dafe69ae8f666d8804cf513683ebeab1e899.exe
4864	27b79a7193cfd7926dec0b3521a0dafe69ae8f666d8804cf513683ebeab1e899.exe
4864	27b79a7193cfd7926dec0b3521a0dafe69ae8f666d8804cf513683ebeab1e899.exe
4864	27b79a7193cfd7926dec0b3521a0dafe69ae8f666d8804cf513683ebeab1e899.exe
4864	27b79a7193cfd7926dec0b3521a0dafe69ae8f666d8804cf513683ebeab1e899.exe
4864	27b79a7193cfd7926dec0b3521a0dafe69ae8f666d8804cf513683ebeab1e899.exe
4864	27b79a7193cfd7926dec0b3521a0dafe69ae8f666d8804cf513683ebeab1e899.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4864	27b79a7193cfd7926dec0b3521a0dafe69ae8f666d8804cf513683ebeab1e899.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4864 wrote to memory of 4052	4864	27b79a7193cfd7926dec0b3521a0dafe69ae8f666d8804cf513683ebeab1e899.exe	88
PID 4864 wrote to memory of 4520	4864	27b79a7193cfd7926dec0b3521a0dafe69ae8f666d8804cf513683ebeab1e899.exe	90
PID 4520 wrote to memory of 4896	4520	cmd.exe	92
PID 4052 wrote to memory of 2120	4052	cmd.exe	93
PID 4520 wrote to memory of 2440	4520	cmd.exe	96

C:\Users\Admin\AppData\Local\Temp\27b79a7193cfd7926dec0b3521a0dafe69ae8f666d8804cf513683ebeab1e899.exe
"C:\Users\Admin\AppData\Local\Temp\27b79a7193cfd7926dec0b3521a0dafe69ae8f666d8804cf513683ebeab1e899.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4864
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "vt4vng7" /tr '"C:\Users\Admin\AppData\Roaming\vt4vng7.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4052
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "vt4vng7" /tr '"C:\Users\Admin\AppData\Roaming\vt4vng7.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2120
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpC8D4.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4520
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4896
- - C:\Users\Admin\AppData\Roaming\vt4vng7.exe
    "C:\Users\Admin\AppData\Roaming\vt4vng7.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2440

C:\Users\Admin\AppData\Roaming\vt4vng7.exe
"C:\Users\Admin\AppData\Roaming\vt4vng7.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1956

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k GPSvcGroup
1⤵
PID:3228

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

tmpC8D4.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpC8D4.tmp.bat
Size 151B
SHA256 0f7e58f3b467d51ce8f29c7c24ee22af2ebb9d087cffdb07cc95a013b701ba72
MD5 7860ca5ff17b822580ecc329a54b53b0
SHA1 697002801346151fa308ed18b80b4ceb0b25be36
SHA512 b888479f40f1a21289f5d50d10d68fa1b49fda7f0ae1f563d71c066086af55776cb19a4308ddb80e097e44b24a2530b12f0407b158ba908a16dc598ddabc7629
TLSH
T187C02B9251C5EE8F3C06185306FAD59C93767C593F48BB10D30C404E27C0449F4D9341
MD5 SHA1 SHA512 TLSH

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vt4vng7.exe

Path C:\Users\Admin\AppData\Roaming\vt4vng7.exe
Size 45KB
SHA256 27b79a7193cfd7926dec0b3521a0dafe69ae8f666d8804cf513683ebeab1e899
MD5 7c2406426d50ba371cef993949740b41
SHA1 1b50c3a36653086aff0f301a39070f0ba1799685
SHA512 8c1adc0cf5da3aed4281f1c3399df308a8ca931414fc2bd8d9a242da0a7e4714498359c44bbb2826ee7618cb04f779518a38799e469d695ef4fa420a46fb4c98
SSDEEP 768:5uSy6pTpwrSWWUE3/WImo2qNrzjHy/aKPIb/jbogX3iOWOrvT3O4inAABDZ0x:5uSy6pTpoo2onhbLb/XSOWirennAWd0x
TLSH
T1BB232A003BE98227F2BE4F789DF26145867EF6632A03D6491CC4119B5613FC68A526FE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/1956-12-0x0000000074C30000-0x00000000753EC000-memory.dmp

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memory/1956-14-0x0000000074C30000-0x00000000753EC000-memory.dmp

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memory/4864-0-0x0000000074C42000-0x0000000074C43000-memory.dmp

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memory/4864-1-0x0000000000670000-0x0000000000682000-memory.dmp

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memory/4864-2-0x0000000074C30000-0x00000000753EC000-memory.dmp

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memory/4864-3-0x0000000005080000-0x000000000511C000-memory.dmp

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memory/4864-9-0x0000000074C30000-0x00000000753EC000-memory.dmp

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