asyncrat | 38e0e5ff61004c01a4f34d93fcb9be93afca2817e078ba85ac62fde8e7f0b041

Analysis

max time kernel
148s
max time network
146s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260710-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
17/08/2026, 16:55

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General

Target
38e0e5ff61004c01a4f34d93fcb9be93afca2817e078ba85ac62fde8e7f0b041.exe
Size 45KB
Sample260817-vfhttsvdrf
SHA256 38e0e5ff61004c01a4f34d93fcb9be93afca2817e078ba85ac62fde8e7f0b041
MD5 681efeeef002e390cb95bb379aa7aed3
SHA1 23812e0f050ae1d52a8c9f3d644e6e80e869d8a5
SHA512 4560927f079856045c21e42659f5f06c7e0ccd6cff4bc125a8bef6bf4ec40bb16834999682aedba680cfa826ff957a686ae58c9f64b3acfeb7f514809ea1583f
SSDEEP 768:kuSOpTPTCFcWUeXa6mo2qAaLiE02FjMdjYkkmPI9zjb/gX3iI22u2BDZMx:kuSOpTPOP2KL9wQP93bIXSI2YdMx
TLSH
T104232A0037E9812BF2BE4F749DF261458A7AF6732603D64A1CC411DB5623FC69A426FE
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

ads.zorvec.name:80
ads.zorvec.name:22
ads.zorvec.name:8080
ads.zorvec.name:8880
ads.zorvec.name:2052
ads.zorvec.name:2082
ads.zorvec.name:2086
ads.zorvec.name:2095
ads.zorvec.name:443
ads.zorvec.name:2053
ads.zorvec.name:2083
ads.zorvec.name:2087
ads.zorvec.name:2096
ads.zorvec.name:8443
www.ads.zorvec.name:80
www.ads.zorvec.name:22
www.ads.zorvec.name:8080
www.ads.zorvec.name:8880
www.ads.zorvec.name:2052
www.ads.zorvec.name:2082
www.ads.zorvec.name:2086
www.ads.zorvec.name:2095
www.ads.zorvec.name:443
www.ads.zorvec.name:2053
www.ads.zorvec.name:2083
www.ads.zorvec.name:2087
www.ads.zorvec.name:2096
www.ads.zorvec.name:8443
industroyer.ads.zorvec.name:80
industroyer.ads.zorvec.name:22
industroyer.ads.zorvec.name:8080
industroyer.ads.zorvec.name:8880
industroyer.ads.zorvec.name:2052
industroyer.ads.zorvec.name:2082
industroyer.ads.zorvec.name:2086
industroyer.ads.zorvec.name:2095
industroyer.ads.zorvec.name:443
industroyer.ads.zorvec.name:2053
industroyer.ads.zorvec.name:2083
industroyer.ads.zorvec.name:2087
industroyer.ads.zorvec.name:2096
industroyer.ads.zorvec.name:8443
shamoon.ads.zorvec.name:80
shamoon.ads.zorvec.name:22
shamoon.ads.zorvec.name:8080
shamoon.ads.zorvec.name:8880
shamoon.ads.zorvec.name:2052
shamoon.ads.zorvec.name:2082
shamoon.ads.zorvec.name:2086
shamoon.ads.zorvec.name:2095
shamoon.ads.zorvec.name:443
shamoon.ads.zorvec.name:2053
shamoon.ads.zorvec.name:2083
shamoon.ads.zorvec.name:2087
shamoon.ads.zorvec.name:2096
shamoon.ads.zorvec.name:8443
nanocore.ads.zorvec.name:80
nanocore.ads.zorvec.name:22
nanocore.ads.zorvec.name:8080
nanocore.ads.zorvec.name:8880
nanocore.ads.zorvec.name:2052
nanocore.ads.zorvec.name:2082
nanocore.ads.zorvec.name:2086
nanocore.ads.zorvec.name:2095
nanocore.ads.zorvec.name:443
nanocore.ads.zorvec.name:2053
nanocore.ads.zorvec.name:2083
nanocore.ads.zorvec.name:2087
nanocore.ads.zorvec.name:2096
nanocore.ads.zorvec.name:8443

Mutex

7l1t5LZThQMn

Attributes

delay
0
install
true
install_file
fis5.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/0x000e00000001c563-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
1908	fis5.exe
5796	fis5.exe

Outbound SSH connection to public host 2 TTPs 3 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	13	172.67.144.58:22
SSH destination	14	104.21.28.44:22
SSH destination	17	172.67.144.58:22

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
4756	cmd.exe
5160	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	fis5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	38e0e5ff61004c01a4f34d93fcb9be93afca2817e078ba85ac62fde8e7f0b041.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	fis5.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
4644	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
4880	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
4708	38e0e5ff61004c01a4f34d93fcb9be93afca2817e078ba85ac62fde8e7f0b041.exe
4708	38e0e5ff61004c01a4f34d93fcb9be93afca2817e078ba85ac62fde8e7f0b041.exe
4708	38e0e5ff61004c01a4f34d93fcb9be93afca2817e078ba85ac62fde8e7f0b041.exe
4708	38e0e5ff61004c01a4f34d93fcb9be93afca2817e078ba85ac62fde8e7f0b041.exe
4708	38e0e5ff61004c01a4f34d93fcb9be93afca2817e078ba85ac62fde8e7f0b041.exe
4708	38e0e5ff61004c01a4f34d93fcb9be93afca2817e078ba85ac62fde8e7f0b041.exe
4708	38e0e5ff61004c01a4f34d93fcb9be93afca2817e078ba85ac62fde8e7f0b041.exe
4708	38e0e5ff61004c01a4f34d93fcb9be93afca2817e078ba85ac62fde8e7f0b041.exe
4708	38e0e5ff61004c01a4f34d93fcb9be93afca2817e078ba85ac62fde8e7f0b041.exe
4708	38e0e5ff61004c01a4f34d93fcb9be93afca2817e078ba85ac62fde8e7f0b041.exe
4708	38e0e5ff61004c01a4f34d93fcb9be93afca2817e078ba85ac62fde8e7f0b041.exe
4708	38e0e5ff61004c01a4f34d93fcb9be93afca2817e078ba85ac62fde8e7f0b041.exe
4708	38e0e5ff61004c01a4f34d93fcb9be93afca2817e078ba85ac62fde8e7f0b041.exe
4708	38e0e5ff61004c01a4f34d93fcb9be93afca2817e078ba85ac62fde8e7f0b041.exe
4708	38e0e5ff61004c01a4f34d93fcb9be93afca2817e078ba85ac62fde8e7f0b041.exe
4708	38e0e5ff61004c01a4f34d93fcb9be93afca2817e078ba85ac62fde8e7f0b041.exe
4708	38e0e5ff61004c01a4f34d93fcb9be93afca2817e078ba85ac62fde8e7f0b041.exe
4708	38e0e5ff61004c01a4f34d93fcb9be93afca2817e078ba85ac62fde8e7f0b041.exe
4708	38e0e5ff61004c01a4f34d93fcb9be93afca2817e078ba85ac62fde8e7f0b041.exe
4708	38e0e5ff61004c01a4f34d93fcb9be93afca2817e078ba85ac62fde8e7f0b041.exe
4708	38e0e5ff61004c01a4f34d93fcb9be93afca2817e078ba85ac62fde8e7f0b041.exe
4708	38e0e5ff61004c01a4f34d93fcb9be93afca2817e078ba85ac62fde8e7f0b041.exe
4708	38e0e5ff61004c01a4f34d93fcb9be93afca2817e078ba85ac62fde8e7f0b041.exe
4708	38e0e5ff61004c01a4f34d93fcb9be93afca2817e078ba85ac62fde8e7f0b041.exe
4708	38e0e5ff61004c01a4f34d93fcb9be93afca2817e078ba85ac62fde8e7f0b041.exe
4708	38e0e5ff61004c01a4f34d93fcb9be93afca2817e078ba85ac62fde8e7f0b041.exe
4708	38e0e5ff61004c01a4f34d93fcb9be93afca2817e078ba85ac62fde8e7f0b041.exe
4708	38e0e5ff61004c01a4f34d93fcb9be93afca2817e078ba85ac62fde8e7f0b041.exe
4708	38e0e5ff61004c01a4f34d93fcb9be93afca2817e078ba85ac62fde8e7f0b041.exe
4708	38e0e5ff61004c01a4f34d93fcb9be93afca2817e078ba85ac62fde8e7f0b041.exe
4708	38e0e5ff61004c01a4f34d93fcb9be93afca2817e078ba85ac62fde8e7f0b041.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4708	38e0e5ff61004c01a4f34d93fcb9be93afca2817e078ba85ac62fde8e7f0b041.exe
Token: SeDebugPrivilege	1908	fis5.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4708 wrote to memory of 4756	4708	38e0e5ff61004c01a4f34d93fcb9be93afca2817e078ba85ac62fde8e7f0b041.exe	88
PID 4708 wrote to memory of 5160	4708	38e0e5ff61004c01a4f34d93fcb9be93afca2817e078ba85ac62fde8e7f0b041.exe	89
PID 4756 wrote to memory of 4880	4756	cmd.exe	92
PID 5160 wrote to memory of 4644	5160	cmd.exe	93
PID 5160 wrote to memory of 5796	5160	cmd.exe	96

C:\Users\Admin\AppData\Local\Temp\38e0e5ff61004c01a4f34d93fcb9be93afca2817e078ba85ac62fde8e7f0b041.exe
"C:\Users\Admin\AppData\Local\Temp\38e0e5ff61004c01a4f34d93fcb9be93afca2817e078ba85ac62fde8e7f0b041.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4708
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "fis5" /tr '"C:\Users\Admin\AppData\Roaming\fis5.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4756
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "fis5" /tr '"C:\Users\Admin\AppData\Roaming\fis5.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4880
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpB1B2.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5160
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4644
- - C:\Users\Admin\AppData\Roaming\fis5.exe
    "C:\Users\Admin\AppData\Roaming\fis5.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:5796

C:\Users\Admin\AppData\Roaming\fis5.exe
"C:\Users\Admin\AppData\Roaming\fis5.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1908

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

tmpB1B2.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpB1B2.tmp.bat
Size 148B
SHA256 d6560626f20a9e61aa9eb6feba957d29cf5d0df7ca99203ac9409010b678fa8c
MD5 3e0683417f1d6c31c51900b54ba2c11f
SHA1 0ae3e95fcb0a3b6a35e478cb9cfcc4afc085cadd
SHA512 5b3d14cd53772d7e23f64658ab0e71eb4b525026dcaafccdc4b8b19b687ae9715e75d01189501745d70f77d19f674b07c296ffc79ca6b1aadc105554ac15c16d
TLSH
T117C02B9361C5EA1F2805381306FED58CD17B6D2D3F40BF00C714401D5280488F4D9385
MD5 SHA1 SHA512 TLSH

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fis5.exe

Path C:\Users\Admin\AppData\Roaming\fis5.exe
Size 45KB
SHA256 38e0e5ff61004c01a4f34d93fcb9be93afca2817e078ba85ac62fde8e7f0b041
MD5 681efeeef002e390cb95bb379aa7aed3
SHA1 23812e0f050ae1d52a8c9f3d644e6e80e869d8a5
SHA512 4560927f079856045c21e42659f5f06c7e0ccd6cff4bc125a8bef6bf4ec40bb16834999682aedba680cfa826ff957a686ae58c9f64b3acfeb7f514809ea1583f
SSDEEP 768:kuSOpTPTCFcWUeXa6mo2qAaLiE02FjMdjYkkmPI9zjb/gX3iI22u2BDZMx:kuSOpTPOP2KL9wQP93bIXSI2YdMx
TLSH
T104232A0037E9812BF2BE4F749DF261458A7AF6732603D64A1CC411DB5623FC69A426FE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/1908-12-0x0000000075070000-0x000000007582C000-memory.dmp

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memory/1908-14-0x0000000075070000-0x000000007582C000-memory.dmp

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memory/4708-0-0x00000000751F2000-0x00000000751F3000-memory.dmp

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memory/4708-1-0x0000000000700000-0x0000000000712000-memory.dmp

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memory/4708-2-0x00000000751E0000-0x000000007599C000-memory.dmp

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memory/4708-3-0x00000000052A0000-0x000000000533C000-memory.dmp

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memory/4708-8-0x00000000751E0000-0x000000007599C000-memory.dmp

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