asyncrat | 7444bc81a91d057d47297ced59b71e216b5dd1b1c348d4587eeec9b589f962b2

Analysis

max time kernel
148s
max time network
151s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
12/09/2026, 21:56

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General

Target
81225ba3144bbb43a08015ac4a6e38ba.exe
Size 45KB
Sample260912-1ts5lsaf82
SHA256 7444bc81a91d057d47297ced59b71e216b5dd1b1c348d4587eeec9b589f962b2
MD5 4c58a493af99d1547f1479dad41666d3
SHA1 91398f472edc1a65cb736598b78728806b237ebd
SHA512 0ae8a5ebfcc5968f1c605cbae3f34aa604c03183bfc21d8737d1ddc996fa668541739416d62feb4569271e95d618df0cd7020bf91a9ae6c63434d612a299a40a
SSDEEP 768:gu/mkuTMUzwJbWUnBtJmo2qVeOoXlUPIleUjbrgX3iTbx+cEHz/u0ZEBDZ8x:gu/mkuTMzX2b5VZM0bUXSTdVEHz/u0Z1
TLSH
T14F233A1037E98127F2BE4F789DF26145467AF6672603D64E2CC4029B5723FC29A426FE
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

admin command_and_control defense_evasion discovery execution asyncrat persistence rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Admin

phimsexz.pro:80
phimsexz.pro:443
phimsexz.pro:7788
phimsexz.pro:7879
phimsexz.pro:3577
phimsexz.pro:8888
phimsexz.pro:3306
phimsexz.pro:21
phimsexz.pro:22
www.phimsexz.pro:80
www.phimsexz.pro:443
www.phimsexz.pro:7788
www.phimsexz.pro:7879
www.phimsexz.pro:3577
www.phimsexz.pro:8888
www.phimsexz.pro:3306
www.phimsexz.pro:21
www.phimsexz.pro:22
malware.phimsexz.pro:80
malware.phimsexz.pro:443
malware.phimsexz.pro:7788
malware.phimsexz.pro:7879
malware.phimsexz.pro:3577
malware.phimsexz.pro:8888
malware.phimsexz.pro:3306
malware.phimsexz.pro:21
malware.phimsexz.pro:22
ssh.phimsexz.pro:80
ssh.phimsexz.pro:443
ssh.phimsexz.pro:7788
ssh.phimsexz.pro:7879
ssh.phimsexz.pro:3577
ssh.phimsexz.pro:8888
ssh.phimsexz.pro:3306
ssh.phimsexz.pro:21
ssh.phimsexz.pro:22
5.61.208.88:80
5.61.208.88:443
5.61.208.88:7788
5.61.208.88:7879
5.61.208.88:3577
5.61.208.88:8888
5.61.208.88:3306
5.61.208.88:21
5.61.208.88:22

Mutex

hitOrjYMZEgK

Attributes

delay
3
install
true
install_file
81225ba3144bbb43a08015ac4a6e38ba.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/0x000e00000001c597-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
2024	81225ba3144bbb43a08015ac4a6e38ba.exe
3084	81225ba3144bbb43a08015ac4a6e38ba.exe

Outbound SSH connection to public host 2 TTPs 1 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	10	5.61.208.88:22

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
5388	cmd.exe
4852	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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	81225ba3144bbb43a08015ac4a6e38ba.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	81225ba3144bbb43a08015ac4a6e38ba.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	81225ba3144bbb43a08015ac4a6e38ba.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
4164	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
3372	schtasks.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
3556	81225ba3144bbb43a08015ac4a6e38ba.exe
3556	81225ba3144bbb43a08015ac4a6e38ba.exe
3556	81225ba3144bbb43a08015ac4a6e38ba.exe
3556	81225ba3144bbb43a08015ac4a6e38ba.exe
3556	81225ba3144bbb43a08015ac4a6e38ba.exe
3556	81225ba3144bbb43a08015ac4a6e38ba.exe
3556	81225ba3144bbb43a08015ac4a6e38ba.exe
3556	81225ba3144bbb43a08015ac4a6e38ba.exe
3556	81225ba3144bbb43a08015ac4a6e38ba.exe
3556	81225ba3144bbb43a08015ac4a6e38ba.exe
3556	81225ba3144bbb43a08015ac4a6e38ba.exe
3556	81225ba3144bbb43a08015ac4a6e38ba.exe
3556	81225ba3144bbb43a08015ac4a6e38ba.exe
3556	81225ba3144bbb43a08015ac4a6e38ba.exe
3556	81225ba3144bbb43a08015ac4a6e38ba.exe
3556	81225ba3144bbb43a08015ac4a6e38ba.exe
3556	81225ba3144bbb43a08015ac4a6e38ba.exe
3556	81225ba3144bbb43a08015ac4a6e38ba.exe
3556	81225ba3144bbb43a08015ac4a6e38ba.exe
3556	81225ba3144bbb43a08015ac4a6e38ba.exe
3556	81225ba3144bbb43a08015ac4a6e38ba.exe
3556	81225ba3144bbb43a08015ac4a6e38ba.exe
3556	81225ba3144bbb43a08015ac4a6e38ba.exe
3556	81225ba3144bbb43a08015ac4a6e38ba.exe
3556	81225ba3144bbb43a08015ac4a6e38ba.exe
3556	81225ba3144bbb43a08015ac4a6e38ba.exe
3556	81225ba3144bbb43a08015ac4a6e38ba.exe
3556	81225ba3144bbb43a08015ac4a6e38ba.exe
3556	81225ba3144bbb43a08015ac4a6e38ba.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3556	81225ba3144bbb43a08015ac4a6e38ba.exe
Token: SeDebugPrivilege	2024	81225ba3144bbb43a08015ac4a6e38ba.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3556 wrote to memory of 5388	3556	81225ba3144bbb43a08015ac4a6e38ba.exe	87
PID 3556 wrote to memory of 4852	3556	81225ba3144bbb43a08015ac4a6e38ba.exe	89
PID 5388 wrote to memory of 3372	5388	cmd.exe	91
PID 4852 wrote to memory of 4164	4852	cmd.exe	92
PID 4852 wrote to memory of 3084	4852	cmd.exe	95

C:\Users\Admin\AppData\Local\Temp\81225ba3144bbb43a08015ac4a6e38ba.exe
"C:\Users\Admin\AppData\Local\Temp\81225ba3144bbb43a08015ac4a6e38ba.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3556
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "81225ba3144bbb43a08015ac4a6e38ba" /tr '"C:\Users\Admin\AppData\Roaming\81225ba3144bbb43a08015ac4a6e38ba.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5388
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "81225ba3144bbb43a08015ac4a6e38ba" /tr '"C:\Users\Admin\AppData\Roaming\81225ba3144bbb43a08015ac4a6e38ba.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3372
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp5D49.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4852
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4164
- - C:\Users\Admin\AppData\Roaming\81225ba3144bbb43a08015ac4a6e38ba.exe
    "C:\Users\Admin\AppData\Roaming\81225ba3144bbb43a08015ac4a6e38ba.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3084

C:\Users\Admin\AppData\Roaming\81225ba3144bbb43a08015ac4a6e38ba.exe
"C:\Users\Admin\AppData\Roaming\81225ba3144bbb43a08015ac4a6e38ba.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2024

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

tmp5D49.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp5D49.tmp.bat
Size 176B
SHA256 9179238f27b2c6a29882239d5c551b5ac7651da3c6f2e48cdd5c45707d4503c2
MD5 efc79210577cf05fdda67a46a1e70e41
SHA1 06a255e307d9fe6b9744a56bee7b7630fbdbb36a
SHA512 c60f1fbe1ec5ef59ae19f439e6a9c2873b1407fff32f87f400922dc943accedb4cd891c2eb60ebb398f3f4e22f9648dde2d7bc44e56b579d7917d78cdc8621c7
TLSH
T100C0C02311C29E0D2800003317FEDACC91319D1B3E00BF80CB48934901C0D48F0CD202
MD5 SHA1 SHA512 TLSH

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81225ba3144bbb43a08015ac4a6e38ba.exe

Path C:\Users\Admin\AppData\Roaming\81225ba3144bbb43a08015ac4a6e38ba.exe
Size 45KB
SHA256 7444bc81a91d057d47297ced59b71e216b5dd1b1c348d4587eeec9b589f962b2
MD5 4c58a493af99d1547f1479dad41666d3
SHA1 91398f472edc1a65cb736598b78728806b237ebd
SHA512 0ae8a5ebfcc5968f1c605cbae3f34aa604c03183bfc21d8737d1ddc996fa668541739416d62feb4569271e95d618df0cd7020bf91a9ae6c63434d612a299a40a
SSDEEP 768:gu/mkuTMUzwJbWUnBtJmo2qVeOoXlUPIleUjbrgX3iTbx+cEHz/u0ZEBDZ8x:gu/mkuTMzX2b5VZM0bUXSTdVEHz/u0Z1
TLSH
T14F233A1037E98127F2BE4F789DF26145467AF6672603D64E2CC4029B5723FC29A426FE
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2024-12-0x00000000746F0000-0x0000000074EAC000-memory.dmp

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memory/2024-14-0x00000000746F0000-0x0000000074EAC000-memory.dmp

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memory/3556-0-0x00000000747D2000-0x00000000747D3000-memory.dmp

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memory/3556-1-0x0000000000C70000-0x0000000000C82000-memory.dmp

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memory/3556-2-0x00000000747C0000-0x0000000074F7C000-memory.dmp

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memory/3556-3-0x00000000057A0000-0x000000000583C000-memory.dmp

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memory/3556-8-0x00000000747C0000-0x0000000074F7C000-memory.dmp

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