asyncrat | bd5d69020412847bbc04b86e5c6af88e9b8347bd5ca0c5f47450d3ba368019db

Analysis

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

arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
15/07/2026, 09:46

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General

Target
bd5d69020412847bbc04b86e5c6af88e9b8347bd5ca0c5f47450d3ba368019db.exe
Size 45KB
Sample260715-lrvs4agy6q
SHA256 bd5d69020412847bbc04b86e5c6af88e9b8347bd5ca0c5f47450d3ba368019db
MD5 891222d624c96f92c941c179cff84c9b
SHA1 353099770145224d22f7d5de51af79862d85254a
SHA512 0ca9e07266085ebfa501de7f465c1fc791aa193b194276a3ddcbf6e1c5c2cd26edcafca18cda0d7cb9ec2f904cf7d430bb18a6c5d86fa4028f483729511dd6e1
SSDEEP 768:cu7m/5THrq+CWUoDuMmo2qFENd3u40cMOPI04zjbWgXRi0o2jo0N/BDZUx:cu7e5TH2A2T8+M3043bJXA0osPdUx
TLSH
T162232A003BE8C127F27E4F7899F26146867AE6637603D64A1CC442DB5713FC69A426FE
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

lephimsexhay.com:80
lephimsexhay.com:22
lephimsexhay.com:8080
lephimsexhay.com:8880
lephimsexhay.com:2052
lephimsexhay.com:2082
lephimsexhay.com:2086
lephimsexhay.com:2095
lephimsexhay.com:443
lephimsexhay.com:2053
lephimsexhay.com:2083
lephimsexhay.com:2087
lephimsexhay.com:2096
lephimsexhay.com:8443
www.lephimsexhay.com:80
www.lephimsexhay.com:22
www.lephimsexhay.com:8080
www.lephimsexhay.com:8880
www.lephimsexhay.com:2052
www.lephimsexhay.com:2082
www.lephimsexhay.com:2086
www.lephimsexhay.com:2095
www.lephimsexhay.com:443
www.lephimsexhay.com:2053
www.lephimsexhay.com:2083
www.lephimsexhay.com:2087
www.lephimsexhay.com:2096
www.lephimsexhay.com:8443
triton.lephimsexhay.com:80
triton.lephimsexhay.com:22
triton.lephimsexhay.com:8080
triton.lephimsexhay.com:8880
triton.lephimsexhay.com:2052
triton.lephimsexhay.com:2082
triton.lephimsexhay.com:2086
triton.lephimsexhay.com:2095
triton.lephimsexhay.com:443
triton.lephimsexhay.com:2053
triton.lephimsexhay.com:2083
triton.lephimsexhay.com:2087
triton.lephimsexhay.com:2096
triton.lephimsexhay.com:8443
client.lephimsexhay.com:80
client.lephimsexhay.com:22
client.lephimsexhay.com:8080
client.lephimsexhay.com:8880
client.lephimsexhay.com:2052
client.lephimsexhay.com:2082
client.lephimsexhay.com:2086
client.lephimsexhay.com:2095
client.lephimsexhay.com:443
client.lephimsexhay.com:2053
client.lephimsexhay.com:2083
client.lephimsexhay.com:2087
client.lephimsexhay.com:2096
client.lephimsexhay.com:8443

Mutex

HDG39SN62vur

Attributes

delay
0
install
true
install_file
nynpq.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/0x000e00000001c514-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
2644	nynpq.exe
5752	nynpq.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	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nynpq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nynpq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bd5d69020412847bbc04b86e5c6af88e9b8347bd5ca0c5f47450d3ba368019db.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

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
1928	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
4628	schtasks.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
5904	bd5d69020412847bbc04b86e5c6af88e9b8347bd5ca0c5f47450d3ba368019db.exe
5904	bd5d69020412847bbc04b86e5c6af88e9b8347bd5ca0c5f47450d3ba368019db.exe
5904	bd5d69020412847bbc04b86e5c6af88e9b8347bd5ca0c5f47450d3ba368019db.exe
5904	bd5d69020412847bbc04b86e5c6af88e9b8347bd5ca0c5f47450d3ba368019db.exe
5904	bd5d69020412847bbc04b86e5c6af88e9b8347bd5ca0c5f47450d3ba368019db.exe
5904	bd5d69020412847bbc04b86e5c6af88e9b8347bd5ca0c5f47450d3ba368019db.exe
5904	bd5d69020412847bbc04b86e5c6af88e9b8347bd5ca0c5f47450d3ba368019db.exe
5904	bd5d69020412847bbc04b86e5c6af88e9b8347bd5ca0c5f47450d3ba368019db.exe
5904	bd5d69020412847bbc04b86e5c6af88e9b8347bd5ca0c5f47450d3ba368019db.exe
5904	bd5d69020412847bbc04b86e5c6af88e9b8347bd5ca0c5f47450d3ba368019db.exe
5904	bd5d69020412847bbc04b86e5c6af88e9b8347bd5ca0c5f47450d3ba368019db.exe
5904	bd5d69020412847bbc04b86e5c6af88e9b8347bd5ca0c5f47450d3ba368019db.exe
5904	bd5d69020412847bbc04b86e5c6af88e9b8347bd5ca0c5f47450d3ba368019db.exe
5904	bd5d69020412847bbc04b86e5c6af88e9b8347bd5ca0c5f47450d3ba368019db.exe
5904	bd5d69020412847bbc04b86e5c6af88e9b8347bd5ca0c5f47450d3ba368019db.exe
5904	bd5d69020412847bbc04b86e5c6af88e9b8347bd5ca0c5f47450d3ba368019db.exe
5904	bd5d69020412847bbc04b86e5c6af88e9b8347bd5ca0c5f47450d3ba368019db.exe
5904	bd5d69020412847bbc04b86e5c6af88e9b8347bd5ca0c5f47450d3ba368019db.exe
5904	bd5d69020412847bbc04b86e5c6af88e9b8347bd5ca0c5f47450d3ba368019db.exe
5904	bd5d69020412847bbc04b86e5c6af88e9b8347bd5ca0c5f47450d3ba368019db.exe
5904	bd5d69020412847bbc04b86e5c6af88e9b8347bd5ca0c5f47450d3ba368019db.exe
5904	bd5d69020412847bbc04b86e5c6af88e9b8347bd5ca0c5f47450d3ba368019db.exe
5904	bd5d69020412847bbc04b86e5c6af88e9b8347bd5ca0c5f47450d3ba368019db.exe
5904	bd5d69020412847bbc04b86e5c6af88e9b8347bd5ca0c5f47450d3ba368019db.exe
5904	bd5d69020412847bbc04b86e5c6af88e9b8347bd5ca0c5f47450d3ba368019db.exe
5904	bd5d69020412847bbc04b86e5c6af88e9b8347bd5ca0c5f47450d3ba368019db.exe
5904	bd5d69020412847bbc04b86e5c6af88e9b8347bd5ca0c5f47450d3ba368019db.exe
5904	bd5d69020412847bbc04b86e5c6af88e9b8347bd5ca0c5f47450d3ba368019db.exe
5904	bd5d69020412847bbc04b86e5c6af88e9b8347bd5ca0c5f47450d3ba368019db.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5904	bd5d69020412847bbc04b86e5c6af88e9b8347bd5ca0c5f47450d3ba368019db.exe
Token: SeDebugPrivilege	2644	nynpq.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 5904 wrote to memory of 4844	5904	bd5d69020412847bbc04b86e5c6af88e9b8347bd5ca0c5f47450d3ba368019db.exe	88
PID 5904 wrote to memory of 3888	5904	bd5d69020412847bbc04b86e5c6af88e9b8347bd5ca0c5f47450d3ba368019db.exe	89
PID 4844 wrote to memory of 4628	4844	cmd.exe	92
PID 3888 wrote to memory of 1928	3888	cmd.exe	93
PID 3888 wrote to memory of 5752	3888	cmd.exe	96

C:\Users\Admin\AppData\Local\Temp\bd5d69020412847bbc04b86e5c6af88e9b8347bd5ca0c5f47450d3ba368019db.exe
"C:\Users\Admin\AppData\Local\Temp\bd5d69020412847bbc04b86e5c6af88e9b8347bd5ca0c5f47450d3ba368019db.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5904
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "nynpq" /tr '"C:\Users\Admin\AppData\Roaming\nynpq.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4844
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "nynpq" /tr '"C:\Users\Admin\AppData\Roaming\nynpq.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4628
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp9512.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3888
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:1928
- - C:\Users\Admin\AppData\Roaming\nynpq.exe
    "C:\Users\Admin\AppData\Roaming\nynpq.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:5752

C:\Users\Admin\AppData\Roaming\nynpq.exe
"C:\Users\Admin\AppData\Roaming\nynpq.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2644

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

tmp9512.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp9512.tmp.bat
Size 149B
SHA256 45dfeec804cfaf953c7fac165dfca085cfe667c63a079aba0c436e9c0df50c23
MD5 80efcc571615fdb0d1b8c2ed677c56ff
SHA1 cd87e4e1040699ed16cee7a2a3b0c37ca64f6462
SHA512 4ec11b8d1de2824565676dfdb365ee8afea5aaa161b9ac4084bb49ca947afe9f3efd0ca7814becab194cc86efb392e5a1ff61413f4e335328e989fe18463e8f2
TLSH
T188C08C8251C9AA0E2C09141306BAD4AC92666CA93E40AB00830440292280858E099281
MD5 SHA1 SHA512 TLSH

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nynpq.exe

Path C:\Users\Admin\AppData\Roaming\nynpq.exe
Size 45KB
SHA256 bd5d69020412847bbc04b86e5c6af88e9b8347bd5ca0c5f47450d3ba368019db
MD5 891222d624c96f92c941c179cff84c9b
SHA1 353099770145224d22f7d5de51af79862d85254a
SHA512 0ca9e07266085ebfa501de7f465c1fc791aa193b194276a3ddcbf6e1c5c2cd26edcafca18cda0d7cb9ec2f904cf7d430bb18a6c5d86fa4028f483729511dd6e1
SSDEEP 768:cu7m/5THrq+CWUoDuMmo2qFENd3u40cMOPI04zjbWgXRi0o2jo0N/BDZUx:cu7e5TH2A2T8+M3043bJXA0osPdUx
TLSH
T162232A003BE8C127F27E4F7899F26146867AE6637603D64A1CC442DB5713FC69A426FE
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2644-12-0x0000000074390000-0x0000000074B4C000-memory.dmp

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memory/2644-14-0x0000000074390000-0x0000000074B4C000-memory.dmp

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memory/5904-0-0x0000000074572000-0x0000000074573000-memory.dmp

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memory/5904-1-0x0000000000410000-0x0000000000422000-memory.dmp

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memory/5904-2-0x0000000074560000-0x0000000074D1C000-memory.dmp

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memory/5904-3-0x0000000004FA0000-0x000000000503C000-memory.dmp

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memory/5904-8-0x0000000074560000-0x0000000074D1C000-memory.dmp

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