asyncrat | 3d9e81f376dee20ab726a6484c6f976da37037ee1927fa3c1a534e079567413a

Analysis

max time kernel
150s
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
05/09/2026, 07:36

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General

Target
3d9e81f376dee20ab726a6484c6f976da37037ee1927fa3c1a534e079567413a.exe
Size 45KB
Sample260905-jfl1psgn8s
SHA256 3d9e81f376dee20ab726a6484c6f976da37037ee1927fa3c1a534e079567413a
MD5 b80c3168baa668a38f782a08dcbfc5a6
SHA1 ba789bc6f292f32bd55ad4fb3dcf3608a1be266d
SHA512 eb844cad393be60bead0c8b3f36f001ce67b42c0d780978137002cfec60d7083f9d07d46b9efe5d71ccf0ed046e4a5f782bc8954b86ed31ae4de2a25bd10f371
SSDEEP 768:MuLAZTnAkuSWUYzG8mo2qFEfBohEaEPIQjjbogX3i1a1C2RgUKFRwRZCiBDZEx:MuLAZTnbg2Z4EapQHb/XS4XgOn/dEx
TLSH
T16F233B003BE8816BF2BE4F78ACF26145867AF6632603D5492CC451DB5713BC69A426FE
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

phimsexvai.net:80
phimsexvai.net:22
phimsexvai.net:8080
phimsexvai.net:8880
phimsexvai.net:2052
phimsexvai.net:2082
phimsexvai.net:2086
phimsexvai.net:2095
phimsexvai.net:443
phimsexvai.net:2053
phimsexvai.net:2083
phimsexvai.net:2087
phimsexvai.net:2096
phimsexvai.net:8443
www.phimsexvai.net:80
www.phimsexvai.net:22
www.phimsexvai.net:8080
www.phimsexvai.net:8880
www.phimsexvai.net:2052
www.phimsexvai.net:2082
www.phimsexvai.net:2086
www.phimsexvai.net:2095
www.phimsexvai.net:443
www.phimsexvai.net:2053
www.phimsexvai.net:2083
www.phimsexvai.net:2087
www.phimsexvai.net:2096
www.phimsexvai.net:8443
blacklotus.phimsexvai.net:80
blacklotus.phimsexvai.net:22
blacklotus.phimsexvai.net:8080
blacklotus.phimsexvai.net:8880
blacklotus.phimsexvai.net:2052
blacklotus.phimsexvai.net:2082
blacklotus.phimsexvai.net:2086
blacklotus.phimsexvai.net:2095
blacklotus.phimsexvai.net:443
blacklotus.phimsexvai.net:2053
blacklotus.phimsexvai.net:2083
blacklotus.phimsexvai.net:2087
blacklotus.phimsexvai.net:2096
blacklotus.phimsexvai.net:8443
gh0st.phimsexvai.net:80
gh0st.phimsexvai.net:22
gh0st.phimsexvai.net:8080
gh0st.phimsexvai.net:8880
gh0st.phimsexvai.net:2052
gh0st.phimsexvai.net:2082
gh0st.phimsexvai.net:2086
gh0st.phimsexvai.net:2095
gh0st.phimsexvai.net:443
gh0st.phimsexvai.net:2053
gh0st.phimsexvai.net:2083
gh0st.phimsexvai.net:2087
gh0st.phimsexvai.net:2096
gh0st.phimsexvai.net:8443
malware.phimsexvai.net:80
malware.phimsexvai.net:22
malware.phimsexvai.net:8080
malware.phimsexvai.net:8880
malware.phimsexvai.net:2052
malware.phimsexvai.net:2082
malware.phimsexvai.net:2086
malware.phimsexvai.net:2095
malware.phimsexvai.net:443
malware.phimsexvai.net:2053
malware.phimsexvai.net:2083
malware.phimsexvai.net:2087
malware.phimsexvai.net:2096
malware.phimsexvai.net:8443

Mutex

JEEo1G6KHQrf

Attributes

delay
0
install
true
install_file
y29q9.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/0x001500000001c3b2-11.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
4992	y29q9.exe
4460	y29q9.exe

Outbound SSH connection to public host 2 TTPs 5 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	9	104.21.15.201:22
SSH destination	10	172.67.206.230:22
SSH destination	13	104.21.15.201:22
SSH destination	5	104.21.15.201:22
SSH destination	7	172.67.206.230:22

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
2592	cmd.exe
4980	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	3d9e81f376dee20ab726a6484c6f976da37037ee1927fa3c1a534e079567413a.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	y29q9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	y29q9.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
4384	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
5872	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2716	3d9e81f376dee20ab726a6484c6f976da37037ee1927fa3c1a534e079567413a.exe
2716	3d9e81f376dee20ab726a6484c6f976da37037ee1927fa3c1a534e079567413a.exe
2716	3d9e81f376dee20ab726a6484c6f976da37037ee1927fa3c1a534e079567413a.exe
2716	3d9e81f376dee20ab726a6484c6f976da37037ee1927fa3c1a534e079567413a.exe
2716	3d9e81f376dee20ab726a6484c6f976da37037ee1927fa3c1a534e079567413a.exe
2716	3d9e81f376dee20ab726a6484c6f976da37037ee1927fa3c1a534e079567413a.exe
2716	3d9e81f376dee20ab726a6484c6f976da37037ee1927fa3c1a534e079567413a.exe
2716	3d9e81f376dee20ab726a6484c6f976da37037ee1927fa3c1a534e079567413a.exe
2716	3d9e81f376dee20ab726a6484c6f976da37037ee1927fa3c1a534e079567413a.exe
2716	3d9e81f376dee20ab726a6484c6f976da37037ee1927fa3c1a534e079567413a.exe
2716	3d9e81f376dee20ab726a6484c6f976da37037ee1927fa3c1a534e079567413a.exe
2716	3d9e81f376dee20ab726a6484c6f976da37037ee1927fa3c1a534e079567413a.exe
2716	3d9e81f376dee20ab726a6484c6f976da37037ee1927fa3c1a534e079567413a.exe
2716	3d9e81f376dee20ab726a6484c6f976da37037ee1927fa3c1a534e079567413a.exe
2716	3d9e81f376dee20ab726a6484c6f976da37037ee1927fa3c1a534e079567413a.exe
2716	3d9e81f376dee20ab726a6484c6f976da37037ee1927fa3c1a534e079567413a.exe
2716	3d9e81f376dee20ab726a6484c6f976da37037ee1927fa3c1a534e079567413a.exe
2716	3d9e81f376dee20ab726a6484c6f976da37037ee1927fa3c1a534e079567413a.exe
2716	3d9e81f376dee20ab726a6484c6f976da37037ee1927fa3c1a534e079567413a.exe
2716	3d9e81f376dee20ab726a6484c6f976da37037ee1927fa3c1a534e079567413a.exe
2716	3d9e81f376dee20ab726a6484c6f976da37037ee1927fa3c1a534e079567413a.exe
2716	3d9e81f376dee20ab726a6484c6f976da37037ee1927fa3c1a534e079567413a.exe
2716	3d9e81f376dee20ab726a6484c6f976da37037ee1927fa3c1a534e079567413a.exe
2716	3d9e81f376dee20ab726a6484c6f976da37037ee1927fa3c1a534e079567413a.exe
2716	3d9e81f376dee20ab726a6484c6f976da37037ee1927fa3c1a534e079567413a.exe
2716	3d9e81f376dee20ab726a6484c6f976da37037ee1927fa3c1a534e079567413a.exe
2716	3d9e81f376dee20ab726a6484c6f976da37037ee1927fa3c1a534e079567413a.exe
2716	3d9e81f376dee20ab726a6484c6f976da37037ee1927fa3c1a534e079567413a.exe
2716	3d9e81f376dee20ab726a6484c6f976da37037ee1927fa3c1a534e079567413a.exe
2716	3d9e81f376dee20ab726a6484c6f976da37037ee1927fa3c1a534e079567413a.exe
2716	3d9e81f376dee20ab726a6484c6f976da37037ee1927fa3c1a534e079567413a.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2716	3d9e81f376dee20ab726a6484c6f976da37037ee1927fa3c1a534e079567413a.exe
Token: SeDebugPrivilege	4992	y29q9.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2716 wrote to memory of 2592	2716	3d9e81f376dee20ab726a6484c6f976da37037ee1927fa3c1a534e079567413a.exe	89
PID 2716 wrote to memory of 4980	2716	3d9e81f376dee20ab726a6484c6f976da37037ee1927fa3c1a534e079567413a.exe	91
PID 2592 wrote to memory of 5872	2592	cmd.exe	93
PID 4980 wrote to memory of 4384	4980	cmd.exe	94
PID 4980 wrote to memory of 4460	4980	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\3d9e81f376dee20ab726a6484c6f976da37037ee1927fa3c1a534e079567413a.exe
"C:\Users\Admin\AppData\Local\Temp\3d9e81f376dee20ab726a6484c6f976da37037ee1927fa3c1a534e079567413a.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2716
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "y29q9" /tr '"C:\Users\Admin\AppData\Roaming\y29q9.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2592
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "y29q9" /tr '"C:\Users\Admin\AppData\Roaming\y29q9.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:5872
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpFEFC.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4980
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4384
- - C:\Users\Admin\AppData\Roaming\y29q9.exe
    "C:\Users\Admin\AppData\Roaming\y29q9.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4460

C:\Users\Admin\AppData\Roaming\y29q9.exe
"C:\Users\Admin\AppData\Roaming\y29q9.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4992

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

tmpFEFC.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpFEFC.tmp.bat
Size 149B
SHA256 cbcb9559d7f04f2eff1e68263389e09036d3d337002c8b8e53b28dd61a7c515c
MD5 c78743ea7003ba5f8220570f245f84c0
SHA1 7eaef559fe64bd67695dcd680c220e8f0e5b6909
SHA512 a311909a69cb82a765b13126ff808614acfc5fe4696c2c68ee0fbb7d9598be8f0070844df23c8690b4b17ac1cfb292b99c7e675cc929d642f7875308987ed0cc
TLSH
T10DC02B5762C9FA0F7C05182702FAE98DD2BA6D693F44BF00C3848A0D1680449F0D9341
MD5 SHA1 SHA512 TLSH

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y29q9.exe

Path C:\Users\Admin\AppData\Roaming\y29q9.exe
Size 45KB
SHA256 3d9e81f376dee20ab726a6484c6f976da37037ee1927fa3c1a534e079567413a
MD5 b80c3168baa668a38f782a08dcbfc5a6
SHA1 ba789bc6f292f32bd55ad4fb3dcf3608a1be266d
SHA512 eb844cad393be60bead0c8b3f36f001ce67b42c0d780978137002cfec60d7083f9d07d46b9efe5d71ccf0ed046e4a5f782bc8954b86ed31ae4de2a25bd10f371
SSDEEP 768:MuLAZTnAkuSWUYzG8mo2qFEfBohEaEPIQjjbogX3i1a1C2RgUKFRwRZCiBDZEx:MuLAZTnbg2Z4EapQHb/XS4XgOn/dEx
TLSH
T16F233B003BE8816BF2BE4F78ACF26145867AF6632603D5492CC451DB5713BC69A426FE
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2716-0-0x0000000074DD2000-0x0000000074DD3000-memory.dmp

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memory/2716-1-0x0000000000AC0000-0x0000000000AD2000-memory.dmp

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memory/2716-2-0x0000000074DC0000-0x000000007557C000-memory.dmp

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memory/2716-3-0x0000000005650000-0x00000000056EC000-memory.dmp

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memory/2716-8-0x0000000074DC0000-0x000000007557C000-memory.dmp

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memory/4992-12-0x0000000074DC0000-0x000000007557C000-memory.dmp

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memory/4992-14-0x0000000074DC0000-0x000000007557C000-memory.dmp

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