asyncrat | 6f11679f3b81216189908f2ea6050814f1bb523e33437bed46a77975f6c25e7f

Analysis

max time kernel
148s
max time network
149s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260710-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
17/07/2026, 15:02

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General

Target
6f11679f3b81216189908f2ea6050814f1bb523e33437bed46a77975f6c25e7f.exe
Size 45KB
Sample260717-seepnshx21
SHA256 6f11679f3b81216189908f2ea6050814f1bb523e33437bed46a77975f6c25e7f
MD5 ca1619fb8085435c7688cc9191bb2348
SHA1 5494cb017366266dec03034730a91e7d6dd90331
SHA512 14dd760b43f8f8d1680e7fd0454c452b7862f288137ec788847dc3ead2c430dc82d9f7e3e9c31e42b1eea451aa6ff522f94d6628077867029c6f278b381d1f3e
SSDEEP 768:5udApTNctooWUS7C+mo2qthRz3wnOPIBzjbSgX3iPEeNORiJNTz9CKeBDZ0x:5udApTNmU2qz+3B3bVXS8ecEJNHUKwd2
TLSH
T1B8231A0037E8812BF2BE5F78ADF26145867EF2673603D58A1CC451DB5613BC68A426FE
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

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

Mutex

BZ3sSfGnEoBm

Attributes

delay
0
install
true
install_file
l6yr8f.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/0x001900000001c477-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
4312	l6yr8f.exe
4556	l6yr8f.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	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	l6yr8f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	l6yr8f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6f11679f3b81216189908f2ea6050814f1bb523e33437bed46a77975f6c25e7f.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
5980	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
4584	schtasks.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
4896	6f11679f3b81216189908f2ea6050814f1bb523e33437bed46a77975f6c25e7f.exe
4896	6f11679f3b81216189908f2ea6050814f1bb523e33437bed46a77975f6c25e7f.exe
4896	6f11679f3b81216189908f2ea6050814f1bb523e33437bed46a77975f6c25e7f.exe
4896	6f11679f3b81216189908f2ea6050814f1bb523e33437bed46a77975f6c25e7f.exe
4896	6f11679f3b81216189908f2ea6050814f1bb523e33437bed46a77975f6c25e7f.exe
4896	6f11679f3b81216189908f2ea6050814f1bb523e33437bed46a77975f6c25e7f.exe
4896	6f11679f3b81216189908f2ea6050814f1bb523e33437bed46a77975f6c25e7f.exe
4896	6f11679f3b81216189908f2ea6050814f1bb523e33437bed46a77975f6c25e7f.exe
4896	6f11679f3b81216189908f2ea6050814f1bb523e33437bed46a77975f6c25e7f.exe
4896	6f11679f3b81216189908f2ea6050814f1bb523e33437bed46a77975f6c25e7f.exe
4896	6f11679f3b81216189908f2ea6050814f1bb523e33437bed46a77975f6c25e7f.exe
4896	6f11679f3b81216189908f2ea6050814f1bb523e33437bed46a77975f6c25e7f.exe
4896	6f11679f3b81216189908f2ea6050814f1bb523e33437bed46a77975f6c25e7f.exe
4896	6f11679f3b81216189908f2ea6050814f1bb523e33437bed46a77975f6c25e7f.exe
4896	6f11679f3b81216189908f2ea6050814f1bb523e33437bed46a77975f6c25e7f.exe
4896	6f11679f3b81216189908f2ea6050814f1bb523e33437bed46a77975f6c25e7f.exe
4896	6f11679f3b81216189908f2ea6050814f1bb523e33437bed46a77975f6c25e7f.exe
4896	6f11679f3b81216189908f2ea6050814f1bb523e33437bed46a77975f6c25e7f.exe
4896	6f11679f3b81216189908f2ea6050814f1bb523e33437bed46a77975f6c25e7f.exe
4896	6f11679f3b81216189908f2ea6050814f1bb523e33437bed46a77975f6c25e7f.exe
4896	6f11679f3b81216189908f2ea6050814f1bb523e33437bed46a77975f6c25e7f.exe
4896	6f11679f3b81216189908f2ea6050814f1bb523e33437bed46a77975f6c25e7f.exe
4896	6f11679f3b81216189908f2ea6050814f1bb523e33437bed46a77975f6c25e7f.exe
4896	6f11679f3b81216189908f2ea6050814f1bb523e33437bed46a77975f6c25e7f.exe
4896	6f11679f3b81216189908f2ea6050814f1bb523e33437bed46a77975f6c25e7f.exe
4896	6f11679f3b81216189908f2ea6050814f1bb523e33437bed46a77975f6c25e7f.exe
4896	6f11679f3b81216189908f2ea6050814f1bb523e33437bed46a77975f6c25e7f.exe
4896	6f11679f3b81216189908f2ea6050814f1bb523e33437bed46a77975f6c25e7f.exe
4896	6f11679f3b81216189908f2ea6050814f1bb523e33437bed46a77975f6c25e7f.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4896	6f11679f3b81216189908f2ea6050814f1bb523e33437bed46a77975f6c25e7f.exe
Token: SeDebugPrivilege	4312	l6yr8f.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4896 wrote to memory of 5488	4896	6f11679f3b81216189908f2ea6050814f1bb523e33437bed46a77975f6c25e7f.exe	87
PID 4896 wrote to memory of 4360	4896	6f11679f3b81216189908f2ea6050814f1bb523e33437bed46a77975f6c25e7f.exe	88
PID 5488 wrote to memory of 4584	5488	cmd.exe	91
PID 4360 wrote to memory of 5980	4360	cmd.exe	92
PID 4360 wrote to memory of 4556	4360	cmd.exe	95

C:\Users\Admin\AppData\Local\Temp\6f11679f3b81216189908f2ea6050814f1bb523e33437bed46a77975f6c25e7f.exe
"C:\Users\Admin\AppData\Local\Temp\6f11679f3b81216189908f2ea6050814f1bb523e33437bed46a77975f6c25e7f.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4896
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "l6yr8f" /tr '"C:\Users\Admin\AppData\Roaming\l6yr8f.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5488
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "l6yr8f" /tr '"C:\Users\Admin\AppData\Roaming\l6yr8f.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4584
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp46C3.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4360
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:5980
- - C:\Users\Admin\AppData\Roaming\l6yr8f.exe
    "C:\Users\Admin\AppData\Roaming\l6yr8f.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4556

C:\Users\Admin\AppData\Roaming\l6yr8f.exe
"C:\Users\Admin\AppData\Roaming\l6yr8f.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4312

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

tmp46C3.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp46C3.tmp.bat
Size 150B
SHA256 e84d60fff569a6837026b5671d30eb44320f1ee786af6721bc709f8b91a5ebc2
MD5 e3792687d5af0dd615f22c87d023d063
SHA1 24f287f2d872b6ebbaefa4bb2348a167579d5565
SHA512 64cba84407451cdb778fd134d0d41d75cc0e4a26901dff27cdb97a564a20c61a8e42ed708671dcf6a47b9ab3a310fdbcca0a19476d9b2589f33fc0fed19ac656
TLSH
T13FC02B5252C6EE0E2C05241306FBD48CA1B26C593F40BB50C704404D128046CF4D93C2
MD5 SHA1 SHA512 TLSH

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l6yr8f.exe

Path C:\Users\Admin\AppData\Roaming\l6yr8f.exe
Size 45KB
SHA256 6f11679f3b81216189908f2ea6050814f1bb523e33437bed46a77975f6c25e7f
MD5 ca1619fb8085435c7688cc9191bb2348
SHA1 5494cb017366266dec03034730a91e7d6dd90331
SHA512 14dd760b43f8f8d1680e7fd0454c452b7862f288137ec788847dc3ead2c430dc82d9f7e3e9c31e42b1eea451aa6ff522f94d6628077867029c6f278b381d1f3e
SSDEEP 768:5udApTNctooWUS7C+mo2qthRz3wnOPIBzjbSgX3iPEeNORiJNTz9CKeBDZ0x:5udApTNmU2qz+3B3bVXS8ecEJNHUKwd2
TLSH
T1B8231A0037E8812BF2BE5F78ADF26145867EF2673603D58A1CC451DB5613BC68A426FE
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/4312-12-0x0000000074400000-0x0000000074BBC000-memory.dmp

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memory/4312-14-0x0000000074400000-0x0000000074BBC000-memory.dmp

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memory/4896-0-0x0000000074602000-0x0000000074603000-memory.dmp

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memory/4896-1-0x0000000000B50000-0x0000000000B62000-memory.dmp

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memory/4896-2-0x00000000745F0000-0x0000000074DAC000-memory.dmp

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memory/4896-3-0x0000000005710000-0x00000000057AC000-memory.dmp

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memory/4896-8-0x00000000745F0000-0x0000000074DAC000-memory.dmp

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