asyncrat | 99951678d495467668c8512b4d3b1cbdfb12e5976292d8300704741d4bab34b5

Analysis

max time kernel
6s
max time network
148s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
31/08/2026, 07:24

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General

Target
99951678d495467668c8512b4d3b1cbdfb12e5976292d8300704741d4bab34b5.exe
Size 45KB
Sample260831-h8vb4seq7v
SHA256 99951678d495467668c8512b4d3b1cbdfb12e5976292d8300704741d4bab34b5
MD5 c56fef4a533e0c76ff66e852e587f667
SHA1 601e75de5bd73353b7beab81fa2a882e093772e3
SHA512 44a1853f1e0c9eb3cd34c1a25ee5200b762a56b18f214a8bd2b8be768b6012a674996dee6d6c5e0b1d4e50d3f7188e945a4a8ec90f1dbe3d80b7046fd9a23526
SSDEEP 768:5udApTNctooWUS7C+mo2qt0COtTMtPIGzjbUgX3i1l3J59zNC/m6BDZ0x:5udApTNmU27RvG3b7XSHJ5pNC/bd0x
TLSH
T13A231A0037E8812BF2BE5B78ACF26245867AF6673603D5891CC451DB1723FC696426FE
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

zorvec.name:80
zorvec.name:22
zorvec.name:8080
zorvec.name:8880
zorvec.name:2052
zorvec.name:2082
zorvec.name:2086
zorvec.name:2095
zorvec.name:443
zorvec.name:2053
zorvec.name:2083
zorvec.name:2087
zorvec.name:2096
zorvec.name:8443
www.zorvec.name:80
www.zorvec.name:22
www.zorvec.name:8080
www.zorvec.name:8880
www.zorvec.name:2052
www.zorvec.name:2082
www.zorvec.name:2086
www.zorvec.name:2095
www.zorvec.name:443
www.zorvec.name:2053
www.zorvec.name:2083
www.zorvec.name:2087
www.zorvec.name:2096
www.zorvec.name:8443
sobig.zorvec.name:80
sobig.zorvec.name:22
sobig.zorvec.name:8080
sobig.zorvec.name:8880
sobig.zorvec.name:2052
sobig.zorvec.name:2082
sobig.zorvec.name:2086
sobig.zorvec.name:2095
sobig.zorvec.name:443
sobig.zorvec.name:2053
sobig.zorvec.name:2083
sobig.zorvec.name:2087
sobig.zorvec.name:2096
sobig.zorvec.name:8443
malware.zorvec.name:80
malware.zorvec.name:22
malware.zorvec.name:8080
malware.zorvec.name:8880
malware.zorvec.name:2052
malware.zorvec.name:2082
malware.zorvec.name:2086
malware.zorvec.name:2095
malware.zorvec.name:443
malware.zorvec.name:2053
malware.zorvec.name:2083
malware.zorvec.name:2087
malware.zorvec.name:2096
malware.zorvec.name:8443

Mutex

IcdF33QPe55v

Attributes

delay
0
install
true
install_file
wdvrt5.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/0x00090000000167e7-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
5480	wdvrt5.exe
5276	wdvrt5.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	18	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
1108	cmd.exe
3596	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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wdvrt5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wdvrt5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	99951678d495467668c8512b4d3b1cbdfb12e5976292d8300704741d4bab34b5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
372	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
1964	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
944	99951678d495467668c8512b4d3b1cbdfb12e5976292d8300704741d4bab34b5.exe
944	99951678d495467668c8512b4d3b1cbdfb12e5976292d8300704741d4bab34b5.exe
944	99951678d495467668c8512b4d3b1cbdfb12e5976292d8300704741d4bab34b5.exe
944	99951678d495467668c8512b4d3b1cbdfb12e5976292d8300704741d4bab34b5.exe
944	99951678d495467668c8512b4d3b1cbdfb12e5976292d8300704741d4bab34b5.exe
944	99951678d495467668c8512b4d3b1cbdfb12e5976292d8300704741d4bab34b5.exe
944	99951678d495467668c8512b4d3b1cbdfb12e5976292d8300704741d4bab34b5.exe
944	99951678d495467668c8512b4d3b1cbdfb12e5976292d8300704741d4bab34b5.exe
944	99951678d495467668c8512b4d3b1cbdfb12e5976292d8300704741d4bab34b5.exe
944	99951678d495467668c8512b4d3b1cbdfb12e5976292d8300704741d4bab34b5.exe
944	99951678d495467668c8512b4d3b1cbdfb12e5976292d8300704741d4bab34b5.exe
944	99951678d495467668c8512b4d3b1cbdfb12e5976292d8300704741d4bab34b5.exe
944	99951678d495467668c8512b4d3b1cbdfb12e5976292d8300704741d4bab34b5.exe
944	99951678d495467668c8512b4d3b1cbdfb12e5976292d8300704741d4bab34b5.exe
944	99951678d495467668c8512b4d3b1cbdfb12e5976292d8300704741d4bab34b5.exe
944	99951678d495467668c8512b4d3b1cbdfb12e5976292d8300704741d4bab34b5.exe
944	99951678d495467668c8512b4d3b1cbdfb12e5976292d8300704741d4bab34b5.exe
944	99951678d495467668c8512b4d3b1cbdfb12e5976292d8300704741d4bab34b5.exe
944	99951678d495467668c8512b4d3b1cbdfb12e5976292d8300704741d4bab34b5.exe
944	99951678d495467668c8512b4d3b1cbdfb12e5976292d8300704741d4bab34b5.exe
944	99951678d495467668c8512b4d3b1cbdfb12e5976292d8300704741d4bab34b5.exe
944	99951678d495467668c8512b4d3b1cbdfb12e5976292d8300704741d4bab34b5.exe
944	99951678d495467668c8512b4d3b1cbdfb12e5976292d8300704741d4bab34b5.exe
944	99951678d495467668c8512b4d3b1cbdfb12e5976292d8300704741d4bab34b5.exe
944	99951678d495467668c8512b4d3b1cbdfb12e5976292d8300704741d4bab34b5.exe
944	99951678d495467668c8512b4d3b1cbdfb12e5976292d8300704741d4bab34b5.exe
944	99951678d495467668c8512b4d3b1cbdfb12e5976292d8300704741d4bab34b5.exe
944	99951678d495467668c8512b4d3b1cbdfb12e5976292d8300704741d4bab34b5.exe
944	99951678d495467668c8512b4d3b1cbdfb12e5976292d8300704741d4bab34b5.exe
944	99951678d495467668c8512b4d3b1cbdfb12e5976292d8300704741d4bab34b5.exe
944	99951678d495467668c8512b4d3b1cbdfb12e5976292d8300704741d4bab34b5.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	944	99951678d495467668c8512b4d3b1cbdfb12e5976292d8300704741d4bab34b5.exe
Token: SeDebugPrivilege	5480	wdvrt5.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 944 wrote to memory of 1108	944	99951678d495467668c8512b4d3b1cbdfb12e5976292d8300704741d4bab34b5.exe	89
PID 944 wrote to memory of 3596	944	99951678d495467668c8512b4d3b1cbdfb12e5976292d8300704741d4bab34b5.exe	91
PID 1108 wrote to memory of 1964	1108	cmd.exe	93
PID 3596 wrote to memory of 372	3596	cmd.exe	94
PID 3596 wrote to memory of 5276	3596	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\99951678d495467668c8512b4d3b1cbdfb12e5976292d8300704741d4bab34b5.exe
"C:\Users\Admin\AppData\Local\Temp\99951678d495467668c8512b4d3b1cbdfb12e5976292d8300704741d4bab34b5.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:944
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "wdvrt5" /tr '"C:\Users\Admin\AppData\Roaming\wdvrt5.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1108
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "wdvrt5" /tr '"C:\Users\Admin\AppData\Roaming\wdvrt5.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1964
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp6845.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3596
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:372
- - C:\Users\Admin\AppData\Roaming\wdvrt5.exe
    "C:\Users\Admin\AppData\Roaming\wdvrt5.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:5276

C:\Users\Admin\AppData\Roaming\wdvrt5.exe
"C:\Users\Admin\AppData\Roaming\wdvrt5.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:5480

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

tmp6845.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp6845.tmp.bat
Size 150B
SHA256 c99f062f1dfe21b9992f3748843abf3dc8428885ddba83f7bad35b5fb2753f06
MD5 3bc1420835b86334e08762109f0867c4
SHA1 f3364e1fe2b7e59dbacc8b85bd9d5ddfaeb3a1ac
SHA512 8deade3386c423997310bc7b8934aec228c8d6045f12fd7588a3d1744372a439d2cc208796c6c92ed4e62537b807d75c7df9389036381cec28891f322a9264ba
TLSH
T18FC02B4265C5FA0E2805743306FBD6DCE1B26C293F40BB00C304400D12C049AF0DD342
MD5 SHA1 SHA512 TLSH

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wdvrt5.exe

Path C:\Users\Admin\AppData\Roaming\wdvrt5.exe
Size 45KB
SHA256 99951678d495467668c8512b4d3b1cbdfb12e5976292d8300704741d4bab34b5
MD5 c56fef4a533e0c76ff66e852e587f667
SHA1 601e75de5bd73353b7beab81fa2a882e093772e3
SHA512 44a1853f1e0c9eb3cd34c1a25ee5200b762a56b18f214a8bd2b8be768b6012a674996dee6d6c5e0b1d4e50d3f7188e945a4a8ec90f1dbe3d80b7046fd9a23526
SSDEEP 768:5udApTNctooWUS7C+mo2qt0COtTMtPIGzjbUgX3i1l3J59zNC/m6BDZ0x:5udApTNmU27RvG3b7XSHJ5pNC/bd0x
TLSH
T13A231A0037E8812BF2BE5B78ACF26245867AF6673603D5891CC451DB1723FC696426FE
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/944-0-0x0000000074A22000-0x0000000074A23000-memory.dmp

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memory/944-1-0x00000000009A0000-0x00000000009B2000-memory.dmp

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memory/944-2-0x0000000074A10000-0x00000000751CC000-memory.dmp

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memory/944-3-0x0000000005370000-0x000000000540C000-memory.dmp

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memory/944-8-0x0000000074A10000-0x00000000751CC000-memory.dmp

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memory/5480-12-0x0000000074900000-0x00000000750BC000-memory.dmp

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memory/5480-14-0x0000000074900000-0x00000000750BC000-memory.dmp

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