asyncrat | b8d90cc23e159089a16544f33ee8aaac20cda484c88eb1dfcbc5ed1e44f706ef

Analysis

max time kernel
148s
max time network
145s
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, 22:28

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General

Target
b8d90cc23e159089a16544f33ee8aaac20cda484c88eb1dfcbc5ed1e44f706ef.exe
Size 45KB
Sample260710-2d3vjsfv4x
SHA256 b8d90cc23e159089a16544f33ee8aaac20cda484c88eb1dfcbc5ed1e44f706ef
MD5 e1243999f2233805206bec0d8454668c
SHA1 e1902e3e05a71c60137b8f1a89a38e924ff2acdd
SHA512 39ea0b0d9ae26210c0b67d74616e39dc72ef96330e39b568c8574ebef42dcc08699bc6ed015d04f9b38d4cba34ae53bf2adeebeffeded1bb89171981b4f19f34
SSDEEP 768:RuxkJTVmU5EkWUGMKSmo2q1umaPclm3API7zjbhgX3iKDS7zmhfWFBDZcx:RuxkJTgip2PfcE3l73bOXSK+7afadcx
TLSH
T13C232C003BE8813BF2BE4F7899F26145467AF6636603D64E1CC442DB5623FC69A426FD
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

s.damsex.blog:80
s.damsex.blog:22
s.damsex.blog:8080
s.damsex.blog:8880
s.damsex.blog:2052
s.damsex.blog:2082
s.damsex.blog:2086
s.damsex.blog:2095
s.damsex.blog:443
s.damsex.blog:2053
s.damsex.blog:2083
s.damsex.blog:2087
s.damsex.blog:2096
s.damsex.blog:8443
www.s.damsex.blog:80
www.s.damsex.blog:22
www.s.damsex.blog:8080
www.s.damsex.blog:8880
www.s.damsex.blog:2052
www.s.damsex.blog:2082
www.s.damsex.blog:2086
www.s.damsex.blog:2095
www.s.damsex.blog:443
www.s.damsex.blog:2053
www.s.damsex.blog:2083
www.s.damsex.blog:2087
www.s.damsex.blog:2096
www.s.damsex.blog:8443
mirai.s.damsex.blog:80
mirai.s.damsex.blog:22
mirai.s.damsex.blog:8080
mirai.s.damsex.blog:8880
mirai.s.damsex.blog:2052
mirai.s.damsex.blog:2082
mirai.s.damsex.blog:2086
mirai.s.damsex.blog:2095
mirai.s.damsex.blog:443
mirai.s.damsex.blog:2053
mirai.s.damsex.blog:2083
mirai.s.damsex.blog:2087
mirai.s.damsex.blog:2096
mirai.s.damsex.blog:8443
malware.s.damsex.blog:80
malware.s.damsex.blog:22
malware.s.damsex.blog:8080
malware.s.damsex.blog:8880
malware.s.damsex.blog:2052
malware.s.damsex.blog:2082
malware.s.damsex.blog:2086
malware.s.damsex.blog:2095
malware.s.damsex.blog:443
malware.s.damsex.blog:2053
malware.s.damsex.blog:2083
malware.s.damsex.blog:2087
malware.s.damsex.blog:2096
malware.s.damsex.blog:8443

Mutex

pJEVCbF83SCj

Attributes

delay
0
install
true
install_file
05jt82aw.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/0x0005000000016b3c-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
236	05jt82aw.exe
4440	05jt82aw.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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	05jt82aw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	05jt82aw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b8d90cc23e159089a16544f33ee8aaac20cda484c88eb1dfcbc5ed1e44f706ef.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
1264	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
4604	schtasks.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
3416	b8d90cc23e159089a16544f33ee8aaac20cda484c88eb1dfcbc5ed1e44f706ef.exe
3416	b8d90cc23e159089a16544f33ee8aaac20cda484c88eb1dfcbc5ed1e44f706ef.exe
3416	b8d90cc23e159089a16544f33ee8aaac20cda484c88eb1dfcbc5ed1e44f706ef.exe
3416	b8d90cc23e159089a16544f33ee8aaac20cda484c88eb1dfcbc5ed1e44f706ef.exe
3416	b8d90cc23e159089a16544f33ee8aaac20cda484c88eb1dfcbc5ed1e44f706ef.exe
3416	b8d90cc23e159089a16544f33ee8aaac20cda484c88eb1dfcbc5ed1e44f706ef.exe
3416	b8d90cc23e159089a16544f33ee8aaac20cda484c88eb1dfcbc5ed1e44f706ef.exe
3416	b8d90cc23e159089a16544f33ee8aaac20cda484c88eb1dfcbc5ed1e44f706ef.exe
3416	b8d90cc23e159089a16544f33ee8aaac20cda484c88eb1dfcbc5ed1e44f706ef.exe
3416	b8d90cc23e159089a16544f33ee8aaac20cda484c88eb1dfcbc5ed1e44f706ef.exe
3416	b8d90cc23e159089a16544f33ee8aaac20cda484c88eb1dfcbc5ed1e44f706ef.exe
3416	b8d90cc23e159089a16544f33ee8aaac20cda484c88eb1dfcbc5ed1e44f706ef.exe
3416	b8d90cc23e159089a16544f33ee8aaac20cda484c88eb1dfcbc5ed1e44f706ef.exe
3416	b8d90cc23e159089a16544f33ee8aaac20cda484c88eb1dfcbc5ed1e44f706ef.exe
3416	b8d90cc23e159089a16544f33ee8aaac20cda484c88eb1dfcbc5ed1e44f706ef.exe
3416	b8d90cc23e159089a16544f33ee8aaac20cda484c88eb1dfcbc5ed1e44f706ef.exe
3416	b8d90cc23e159089a16544f33ee8aaac20cda484c88eb1dfcbc5ed1e44f706ef.exe
3416	b8d90cc23e159089a16544f33ee8aaac20cda484c88eb1dfcbc5ed1e44f706ef.exe
3416	b8d90cc23e159089a16544f33ee8aaac20cda484c88eb1dfcbc5ed1e44f706ef.exe
3416	b8d90cc23e159089a16544f33ee8aaac20cda484c88eb1dfcbc5ed1e44f706ef.exe
3416	b8d90cc23e159089a16544f33ee8aaac20cda484c88eb1dfcbc5ed1e44f706ef.exe
3416	b8d90cc23e159089a16544f33ee8aaac20cda484c88eb1dfcbc5ed1e44f706ef.exe
3416	b8d90cc23e159089a16544f33ee8aaac20cda484c88eb1dfcbc5ed1e44f706ef.exe
3416	b8d90cc23e159089a16544f33ee8aaac20cda484c88eb1dfcbc5ed1e44f706ef.exe
3416	b8d90cc23e159089a16544f33ee8aaac20cda484c88eb1dfcbc5ed1e44f706ef.exe
3416	b8d90cc23e159089a16544f33ee8aaac20cda484c88eb1dfcbc5ed1e44f706ef.exe
3416	b8d90cc23e159089a16544f33ee8aaac20cda484c88eb1dfcbc5ed1e44f706ef.exe
3416	b8d90cc23e159089a16544f33ee8aaac20cda484c88eb1dfcbc5ed1e44f706ef.exe
3416	b8d90cc23e159089a16544f33ee8aaac20cda484c88eb1dfcbc5ed1e44f706ef.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3416	b8d90cc23e159089a16544f33ee8aaac20cda484c88eb1dfcbc5ed1e44f706ef.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3416 wrote to memory of 4692	3416	b8d90cc23e159089a16544f33ee8aaac20cda484c88eb1dfcbc5ed1e44f706ef.exe	88
PID 3416 wrote to memory of 5020	3416	b8d90cc23e159089a16544f33ee8aaac20cda484c88eb1dfcbc5ed1e44f706ef.exe	90
PID 4692 wrote to memory of 4604	4692	cmd.exe	92
PID 5020 wrote to memory of 1264	5020	cmd.exe	93
PID 5020 wrote to memory of 4440	5020	cmd.exe	96

C:\Users\Admin\AppData\Local\Temp\b8d90cc23e159089a16544f33ee8aaac20cda484c88eb1dfcbc5ed1e44f706ef.exe
"C:\Users\Admin\AppData\Local\Temp\b8d90cc23e159089a16544f33ee8aaac20cda484c88eb1dfcbc5ed1e44f706ef.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3416
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "05jt82aw" /tr '"C:\Users\Admin\AppData\Roaming\05jt82aw.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4692
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "05jt82aw" /tr '"C:\Users\Admin\AppData\Roaming\05jt82aw.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4604
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp77A7.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5020
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:1264
- - C:\Users\Admin\AppData\Roaming\05jt82aw.exe
    "C:\Users\Admin\AppData\Roaming\05jt82aw.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4440

C:\Users\Admin\AppData\Roaming\05jt82aw.exe
"C:\Users\Admin\AppData\Roaming\05jt82aw.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:236

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

tmp77A7.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp77A7.tmp.bat
Size 152B
SHA256 3e7af1f9ce46609f7fbc195d6aa2fc70a0ee94cecb3124dbd09a0d34f1b3095e
MD5 87a5906d063da986cc8beddeed9835fa
SHA1 515955221e625964d884375f9005603452cfd11a
SHA512 d05a39a071afbc4ac5fdefc6eaeb3acd435c0c28520a821cf259ccb55e8079d7a689982e5e45e2e9aeec1d9e9607afb5e7f04eb06678a2659400e5d5a8fa1e06
TLSH
T1E0C02B9251C5EB4E3905241302FBDA8CA5B2AC5D3F80BB10C704400D23C0849F4D9385
MD5 SHA1 SHA512 TLSH

Submit Download

05jt82aw.exe

Path C:\Users\Admin\AppData\Roaming\05jt82aw.exe
Size 45KB
SHA256 b8d90cc23e159089a16544f33ee8aaac20cda484c88eb1dfcbc5ed1e44f706ef
MD5 e1243999f2233805206bec0d8454668c
SHA1 e1902e3e05a71c60137b8f1a89a38e924ff2acdd
SHA512 39ea0b0d9ae26210c0b67d74616e39dc72ef96330e39b568c8574ebef42dcc08699bc6ed015d04f9b38d4cba34ae53bf2adeebeffeded1bb89171981b4f19f34
SSDEEP 768:RuxkJTVmU5EkWUGMKSmo2q1umaPclm3API7zjbhgX3iKDS7zmhfWFBDZcx:RuxkJTgip2PfcE3l73bOXSK+7afadcx
TLSH
T13C232C003BE8813BF2BE4F7899F26145467AF6636603D64E1CC442DB5623FC69A426FD
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/236-12-0x00000000745D0000-0x0000000074D8C000-memory.dmp

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memory/236-14-0x00000000745D0000-0x0000000074D8C000-memory.dmp

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memory/3416-0-0x0000000074752000-0x0000000074753000-memory.dmp

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memory/3416-1-0x0000000000410000-0x0000000000422000-memory.dmp

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memory/3416-2-0x0000000074740000-0x0000000074EFC000-memory.dmp

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memory/3416-3-0x0000000004F60000-0x0000000004FFC000-memory.dmp

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memory/3416-8-0x0000000074740000-0x0000000074EFC000-memory.dmp

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