asyncrat | c50c3e1312fe8e3badb48cee34e7804d54108d5a917fa44e47db6b8dbef52a6e

Analysis

max time kernel
6s
max time network
149s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
15/07/2026, 07:36

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
c50c3e1312fe8e3badb48cee34e7804d54108d5a917fa44e47db6b8dbef52a6e.exe
Size 45KB
Sample260715-jfpftshz2w
SHA256 c50c3e1312fe8e3badb48cee34e7804d54108d5a917fa44e47db6b8dbef52a6e
MD5 ffffc86e8e2668ab8f5d1d8b14590cac
SHA1 751c2f7084de468d636af5c33acb2b4a40b67aae
SHA512 3639fef57e551ec7cb09bb1c77698e05f7726cd7bf2fb5013270a4a1dc0fc515e622f9ad02c3b49ce90b12ab6adfddfa1ba7c9669440ad666726d06a3022b1ba
SSDEEP 768:5udApTNctooWUS7C+mo2qtO6R8aI3OPIOzjbDOg33iF6Qnsp5ILyYvwBDZ0x:5udApTNmU2h+FO3O3bN3SFlnGWLHmd0x
TLSH
T1D7231B0037E8C22BF2BE4F7898F26145867AF2677603D58E1CC451DB5613FC69A426EE
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

porn-th.com:80
porn-th.com:22
porn-th.com:8080
porn-th.com:8880
porn-th.com:2052
porn-th.com:2082
porn-th.com:2086
porn-th.com:2095
porn-th.com:443
porn-th.com:2053
porn-th.com:2083
porn-th.com:2087
porn-th.com:2096
porn-th.com:8443
www.porn-th.com:80
www.porn-th.com:22
www.porn-th.com:8080
www.porn-th.com:8880
www.porn-th.com:2052
www.porn-th.com:2082
www.porn-th.com:2086
www.porn-th.com:2095
www.porn-th.com:443
www.porn-th.com:2053
www.porn-th.com:2083
www.porn-th.com:2087
www.porn-th.com:2096
www.porn-th.com:8443
malware.porn-th.com:80
malware.porn-th.com:22
malware.porn-th.com:8080
malware.porn-th.com:8880
malware.porn-th.com:2052
malware.porn-th.com:2082
malware.porn-th.com:2086
malware.porn-th.com:2095
malware.porn-th.com:443
malware.porn-th.com:2053
malware.porn-th.com:2083
malware.porn-th.com:2087
malware.porn-th.com:2096
malware.porn-th.com:8443
ursnif.porn-th.com:80
ursnif.porn-th.com:22
ursnif.porn-th.com:8080
ursnif.porn-th.com:8880
ursnif.porn-th.com:2052
ursnif.porn-th.com:2082
ursnif.porn-th.com:2086
ursnif.porn-th.com:2095
ursnif.porn-th.com:443
ursnif.porn-th.com:2053
ursnif.porn-th.com:2083
ursnif.porn-th.com:2087
ursnif.porn-th.com:2096
ursnif.porn-th.com:8443

Mutex

hci9xtkA9qmz

Attributes

delay
0
install
true
install_file
b8mi7k.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/0x002300000001c2ca-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
4192	b8mi7k.exe
4404	b8mi7k.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	b8mi7k.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b8mi7k.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c50c3e1312fe8e3badb48cee34e7804d54108d5a917fa44e47db6b8dbef52a6e.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
2292	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
1480	schtasks.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
2116	c50c3e1312fe8e3badb48cee34e7804d54108d5a917fa44e47db6b8dbef52a6e.exe
2116	c50c3e1312fe8e3badb48cee34e7804d54108d5a917fa44e47db6b8dbef52a6e.exe
2116	c50c3e1312fe8e3badb48cee34e7804d54108d5a917fa44e47db6b8dbef52a6e.exe
2116	c50c3e1312fe8e3badb48cee34e7804d54108d5a917fa44e47db6b8dbef52a6e.exe
2116	c50c3e1312fe8e3badb48cee34e7804d54108d5a917fa44e47db6b8dbef52a6e.exe
2116	c50c3e1312fe8e3badb48cee34e7804d54108d5a917fa44e47db6b8dbef52a6e.exe
2116	c50c3e1312fe8e3badb48cee34e7804d54108d5a917fa44e47db6b8dbef52a6e.exe
2116	c50c3e1312fe8e3badb48cee34e7804d54108d5a917fa44e47db6b8dbef52a6e.exe
2116	c50c3e1312fe8e3badb48cee34e7804d54108d5a917fa44e47db6b8dbef52a6e.exe
2116	c50c3e1312fe8e3badb48cee34e7804d54108d5a917fa44e47db6b8dbef52a6e.exe
2116	c50c3e1312fe8e3badb48cee34e7804d54108d5a917fa44e47db6b8dbef52a6e.exe
2116	c50c3e1312fe8e3badb48cee34e7804d54108d5a917fa44e47db6b8dbef52a6e.exe
2116	c50c3e1312fe8e3badb48cee34e7804d54108d5a917fa44e47db6b8dbef52a6e.exe
2116	c50c3e1312fe8e3badb48cee34e7804d54108d5a917fa44e47db6b8dbef52a6e.exe
2116	c50c3e1312fe8e3badb48cee34e7804d54108d5a917fa44e47db6b8dbef52a6e.exe
2116	c50c3e1312fe8e3badb48cee34e7804d54108d5a917fa44e47db6b8dbef52a6e.exe
2116	c50c3e1312fe8e3badb48cee34e7804d54108d5a917fa44e47db6b8dbef52a6e.exe
2116	c50c3e1312fe8e3badb48cee34e7804d54108d5a917fa44e47db6b8dbef52a6e.exe
2116	c50c3e1312fe8e3badb48cee34e7804d54108d5a917fa44e47db6b8dbef52a6e.exe
2116	c50c3e1312fe8e3badb48cee34e7804d54108d5a917fa44e47db6b8dbef52a6e.exe
2116	c50c3e1312fe8e3badb48cee34e7804d54108d5a917fa44e47db6b8dbef52a6e.exe
2116	c50c3e1312fe8e3badb48cee34e7804d54108d5a917fa44e47db6b8dbef52a6e.exe
2116	c50c3e1312fe8e3badb48cee34e7804d54108d5a917fa44e47db6b8dbef52a6e.exe
2116	c50c3e1312fe8e3badb48cee34e7804d54108d5a917fa44e47db6b8dbef52a6e.exe
2116	c50c3e1312fe8e3badb48cee34e7804d54108d5a917fa44e47db6b8dbef52a6e.exe
2116	c50c3e1312fe8e3badb48cee34e7804d54108d5a917fa44e47db6b8dbef52a6e.exe
2116	c50c3e1312fe8e3badb48cee34e7804d54108d5a917fa44e47db6b8dbef52a6e.exe
2116	c50c3e1312fe8e3badb48cee34e7804d54108d5a917fa44e47db6b8dbef52a6e.exe
2116	c50c3e1312fe8e3badb48cee34e7804d54108d5a917fa44e47db6b8dbef52a6e.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2116	c50c3e1312fe8e3badb48cee34e7804d54108d5a917fa44e47db6b8dbef52a6e.exe
Token: SeDebugPrivilege	4192	b8mi7k.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 3700	2116	c50c3e1312fe8e3badb48cee34e7804d54108d5a917fa44e47db6b8dbef52a6e.exe	87
PID 2116 wrote to memory of 4408	2116	c50c3e1312fe8e3badb48cee34e7804d54108d5a917fa44e47db6b8dbef52a6e.exe	88
PID 3700 wrote to memory of 1480	3700	cmd.exe	91
PID 4408 wrote to memory of 2292	4408	cmd.exe	92
PID 4408 wrote to memory of 4404	4408	cmd.exe	95

C:\Users\Admin\AppData\Local\Temp\c50c3e1312fe8e3badb48cee34e7804d54108d5a917fa44e47db6b8dbef52a6e.exe
"C:\Users\Admin\AppData\Local\Temp\c50c3e1312fe8e3badb48cee34e7804d54108d5a917fa44e47db6b8dbef52a6e.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2116
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "b8mi7k" /tr '"C:\Users\Admin\AppData\Roaming\b8mi7k.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3700
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "b8mi7k" /tr '"C:\Users\Admin\AppData\Roaming\b8mi7k.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1480
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp5143.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4408
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:2292
- - C:\Users\Admin\AppData\Roaming\b8mi7k.exe
    "C:\Users\Admin\AppData\Roaming\b8mi7k.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4404

C:\Users\Admin\AppData\Roaming\b8mi7k.exe
"C:\Users\Admin\AppData\Roaming\b8mi7k.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4192

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

Replay Monitor

Loading Replay Monitor...

Downloads

tmp5143.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp5143.tmp.bat
Size 150B
SHA256 adac0b96c42f5f442a98ee8c9e8b2507b2960e94493b031ec2a6739bbda0bda0
MD5 3c257a08b0cf2d3de904a8b58955bb40
SHA1 67059570428c4e1ec3944c680cbf315fa5b36558
SHA512 70fa6cfa44d249c10eb19a60997f82004c039785e95c382c8cce8d66545dbad695c64cd20d060aa57997d180b79d7b8409c48a99e45ece390fcf6cac0b365532
TLSH
T164C02B5261CDEA0E7805942713FAD98CD172AD1A3F44BF00C344410F12C085CF4EA381
MD5 SHA1 SHA512 TLSH

Submit Download

b8mi7k.exe

Path C:\Users\Admin\AppData\Roaming\b8mi7k.exe
Size 45KB
SHA256 c50c3e1312fe8e3badb48cee34e7804d54108d5a917fa44e47db6b8dbef52a6e
MD5 ffffc86e8e2668ab8f5d1d8b14590cac
SHA1 751c2f7084de468d636af5c33acb2b4a40b67aae
SHA512 3639fef57e551ec7cb09bb1c77698e05f7726cd7bf2fb5013270a4a1dc0fc515e622f9ad02c3b49ce90b12ab6adfddfa1ba7c9669440ad666726d06a3022b1ba
SSDEEP 768:5udApTNctooWUS7C+mo2qtO6R8aI3OPIOzjbDOg33iF6Qnsp5ILyYvwBDZ0x:5udApTNmU2h+FO3O3bN3SFlnGWLHmd0x
TLSH
T1D7231B0037E8C22BF2BE4F7898F26145867AF2677603D58E1CC451DB5613FC69A426EE
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2116-0-0x0000000075132000-0x0000000075133000-memory.dmp

Download

memory/2116-1-0x0000000000E80000-0x0000000000E92000-memory.dmp

Download

memory/2116-2-0x0000000075120000-0x00000000758DC000-memory.dmp

Download

memory/2116-3-0x0000000005990000-0x0000000005A2C000-memory.dmp

Download

memory/2116-8-0x0000000075120000-0x00000000758DC000-memory.dmp

Download

memory/4192-12-0x0000000074FB0000-0x000000007576C000-memory.dmp

Download

memory/4192-14-0x0000000074FB0000-0x000000007576C000-memory.dmp

Download