asyncrat | 8505587bea3ad5eec79e79e9f3d8b659d3f64f87cc6ab93a26c87c69383782fb

Analysis

max time kernel
148s
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
04/08/2026, 11:08

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General

Target
8505587bea3ad5eec79e79e9f3d8b659d3f64f87cc6ab93a26c87c69383782fb.exe
Size 45KB
Sample260804-m8jmtsaa82
SHA256 8505587bea3ad5eec79e79e9f3d8b659d3f64f87cc6ab93a26c87c69383782fb
MD5 f2fdb89cedb8eaaf7b2b1e4e6288d063
SHA1 ebe179ff9c1669202302a42d841a05b2a38609ca
SHA512 c1fef04822c6ced97cf023823daf2415c9b3191c84557ad152f79c848ab94a98a067ac57f58b75e49c5ea96ea93866487ce070be8bbe16b294c06bea52243cbb
SSDEEP 768:5udApTNctooWUS7C+mo2qtkZo3TMtPIQijbFgX3ihv7YQYG+rTHjVVhu6FBDZ0x:5udApTNmU2lU3QubCXS5pYG8Jrd0x
TLSH
T155232C003BE8812BF2BE5F78ACF26245867AF5673603D58E1CC451DB5623BC686426FD
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

vnsextop1.com:80
vnsextop1.com:22
vnsextop1.com:8080
vnsextop1.com:8880
vnsextop1.com:2052
vnsextop1.com:2082
vnsextop1.com:2086
vnsextop1.com:2095
vnsextop1.com:443
vnsextop1.com:2053
vnsextop1.com:2083
vnsextop1.com:2087
vnsextop1.com:2096
vnsextop1.com:8443
www.vnsextop1.com:80
www.vnsextop1.com:22
www.vnsextop1.com:8080
www.vnsextop1.com:8880
www.vnsextop1.com:2052
www.vnsextop1.com:2082
www.vnsextop1.com:2086
www.vnsextop1.com:2095
www.vnsextop1.com:443
www.vnsextop1.com:2053
www.vnsextop1.com:2083
www.vnsextop1.com:2087
www.vnsextop1.com:2096
www.vnsextop1.com:8443
malware.vnsextop1.com:80
malware.vnsextop1.com:22
malware.vnsextop1.com:8080
malware.vnsextop1.com:8880
malware.vnsextop1.com:2052
malware.vnsextop1.com:2082
malware.vnsextop1.com:2086
malware.vnsextop1.com:2095
malware.vnsextop1.com:443
malware.vnsextop1.com:2053
malware.vnsextop1.com:2083
malware.vnsextop1.com:2087
malware.vnsextop1.com:2096
malware.vnsextop1.com:8443
zeus.vnsextop1.com:80
zeus.vnsextop1.com:22
zeus.vnsextop1.com:8080
zeus.vnsextop1.com:8880
zeus.vnsextop1.com:2052
zeus.vnsextop1.com:2082
zeus.vnsextop1.com:2086
zeus.vnsextop1.com:2095
zeus.vnsextop1.com:443
zeus.vnsextop1.com:2053
zeus.vnsextop1.com:2083
zeus.vnsextop1.com:2087
zeus.vnsextop1.com:2096
zeus.vnsextop1.com:8443

Mutex

w7FD7eGRarJ2

Attributes

delay
0
install
true
install_file
hpzg2b.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/0x000d00000001c639-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
248	hpzg2b.exe
2732	hpzg2b.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	17	185.100.234.69:22

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
5136	cmd.exe
3040	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	hpzg2b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8505587bea3ad5eec79e79e9f3d8b659d3f64f87cc6ab93a26c87c69383782fb.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	hpzg2b.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
5444	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
2352	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
3384	8505587bea3ad5eec79e79e9f3d8b659d3f64f87cc6ab93a26c87c69383782fb.exe
3384	8505587bea3ad5eec79e79e9f3d8b659d3f64f87cc6ab93a26c87c69383782fb.exe
3384	8505587bea3ad5eec79e79e9f3d8b659d3f64f87cc6ab93a26c87c69383782fb.exe
3384	8505587bea3ad5eec79e79e9f3d8b659d3f64f87cc6ab93a26c87c69383782fb.exe
3384	8505587bea3ad5eec79e79e9f3d8b659d3f64f87cc6ab93a26c87c69383782fb.exe
3384	8505587bea3ad5eec79e79e9f3d8b659d3f64f87cc6ab93a26c87c69383782fb.exe
3384	8505587bea3ad5eec79e79e9f3d8b659d3f64f87cc6ab93a26c87c69383782fb.exe
3384	8505587bea3ad5eec79e79e9f3d8b659d3f64f87cc6ab93a26c87c69383782fb.exe
3384	8505587bea3ad5eec79e79e9f3d8b659d3f64f87cc6ab93a26c87c69383782fb.exe
3384	8505587bea3ad5eec79e79e9f3d8b659d3f64f87cc6ab93a26c87c69383782fb.exe
3384	8505587bea3ad5eec79e79e9f3d8b659d3f64f87cc6ab93a26c87c69383782fb.exe
3384	8505587bea3ad5eec79e79e9f3d8b659d3f64f87cc6ab93a26c87c69383782fb.exe
3384	8505587bea3ad5eec79e79e9f3d8b659d3f64f87cc6ab93a26c87c69383782fb.exe
3384	8505587bea3ad5eec79e79e9f3d8b659d3f64f87cc6ab93a26c87c69383782fb.exe
3384	8505587bea3ad5eec79e79e9f3d8b659d3f64f87cc6ab93a26c87c69383782fb.exe
3384	8505587bea3ad5eec79e79e9f3d8b659d3f64f87cc6ab93a26c87c69383782fb.exe
3384	8505587bea3ad5eec79e79e9f3d8b659d3f64f87cc6ab93a26c87c69383782fb.exe
3384	8505587bea3ad5eec79e79e9f3d8b659d3f64f87cc6ab93a26c87c69383782fb.exe
3384	8505587bea3ad5eec79e79e9f3d8b659d3f64f87cc6ab93a26c87c69383782fb.exe
3384	8505587bea3ad5eec79e79e9f3d8b659d3f64f87cc6ab93a26c87c69383782fb.exe
3384	8505587bea3ad5eec79e79e9f3d8b659d3f64f87cc6ab93a26c87c69383782fb.exe
3384	8505587bea3ad5eec79e79e9f3d8b659d3f64f87cc6ab93a26c87c69383782fb.exe
3384	8505587bea3ad5eec79e79e9f3d8b659d3f64f87cc6ab93a26c87c69383782fb.exe
3384	8505587bea3ad5eec79e79e9f3d8b659d3f64f87cc6ab93a26c87c69383782fb.exe
3384	8505587bea3ad5eec79e79e9f3d8b659d3f64f87cc6ab93a26c87c69383782fb.exe
3384	8505587bea3ad5eec79e79e9f3d8b659d3f64f87cc6ab93a26c87c69383782fb.exe
3384	8505587bea3ad5eec79e79e9f3d8b659d3f64f87cc6ab93a26c87c69383782fb.exe
3384	8505587bea3ad5eec79e79e9f3d8b659d3f64f87cc6ab93a26c87c69383782fb.exe
3384	8505587bea3ad5eec79e79e9f3d8b659d3f64f87cc6ab93a26c87c69383782fb.exe
3384	8505587bea3ad5eec79e79e9f3d8b659d3f64f87cc6ab93a26c87c69383782fb.exe
3384	8505587bea3ad5eec79e79e9f3d8b659d3f64f87cc6ab93a26c87c69383782fb.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3384	8505587bea3ad5eec79e79e9f3d8b659d3f64f87cc6ab93a26c87c69383782fb.exe
Token: SeDebugPrivilege	248	hpzg2b.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3384 wrote to memory of 5136	3384	8505587bea3ad5eec79e79e9f3d8b659d3f64f87cc6ab93a26c87c69383782fb.exe	89
PID 3384 wrote to memory of 3040	3384	8505587bea3ad5eec79e79e9f3d8b659d3f64f87cc6ab93a26c87c69383782fb.exe	91
PID 5136 wrote to memory of 2352	5136	cmd.exe	93
PID 3040 wrote to memory of 5444	3040	cmd.exe	94
PID 3040 wrote to memory of 2732	3040	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\8505587bea3ad5eec79e79e9f3d8b659d3f64f87cc6ab93a26c87c69383782fb.exe
"C:\Users\Admin\AppData\Local\Temp\8505587bea3ad5eec79e79e9f3d8b659d3f64f87cc6ab93a26c87c69383782fb.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3384
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "hpzg2b" /tr '"C:\Users\Admin\AppData\Roaming\hpzg2b.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5136
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "hpzg2b" /tr '"C:\Users\Admin\AppData\Roaming\hpzg2b.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2352
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp6B72.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3040
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:5444
- - C:\Users\Admin\AppData\Roaming\hpzg2b.exe
    "C:\Users\Admin\AppData\Roaming\hpzg2b.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2732

C:\Users\Admin\AppData\Roaming\hpzg2b.exe
"C:\Users\Admin\AppData\Roaming\hpzg2b.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:248

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

tmp6B72.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp6B72.tmp.bat
Size 150B
SHA256 7e4439fdba4b556424a06b2311b03a2d59356a9a92ac4fe06d2408706e640314
MD5 0ab18418db9c8dd67682a7deb06130c0
SHA1 82fabca2c3814a2c99ec607c8b797bb6cea07a60
SHA512 83f55280c328054aadca84cd9ebfe4cc4a1849f58b58786f7b92b74adfcd303ea831594d50d7aa8b86fa41b634dd085720fce244bc09a05ba2ef7a91fec46568
TLSH
T192C02B8297C5EA0E2C05A41317FBD58DA1766C1A3F85BB60C318441D5290448F0DB345
MD5 SHA1 SHA512 TLSH

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hpzg2b.exe

Path C:\Users\Admin\AppData\Roaming\hpzg2b.exe
Size 45KB
SHA256 8505587bea3ad5eec79e79e9f3d8b659d3f64f87cc6ab93a26c87c69383782fb
MD5 f2fdb89cedb8eaaf7b2b1e4e6288d063
SHA1 ebe179ff9c1669202302a42d841a05b2a38609ca
SHA512 c1fef04822c6ced97cf023823daf2415c9b3191c84557ad152f79c848ab94a98a067ac57f58b75e49c5ea96ea93866487ce070be8bbe16b294c06bea52243cbb
SSDEEP 768:5udApTNctooWUS7C+mo2qtkZo3TMtPIQijbFgX3ihv7YQYG+rTHjVVhu6FBDZ0x:5udApTNmU2lU3QubCXS5pYG8Jrd0x
TLSH
T155232C003BE8812BF2BE5F78ACF26245867AF5673603D58E1CC451DB5623BC686426FD
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/248-12-0x0000000074650000-0x0000000074E0C000-memory.dmp

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memory/248-14-0x0000000074650000-0x0000000074E0C000-memory.dmp

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memory/3384-0-0x0000000074662000-0x0000000074663000-memory.dmp

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memory/3384-1-0x0000000000D90000-0x0000000000DA2000-memory.dmp

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memory/3384-2-0x0000000074650000-0x0000000074E0C000-memory.dmp

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memory/3384-3-0x00000000058F0000-0x000000000598C000-memory.dmp

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memory/3384-9-0x0000000074650000-0x0000000074E0C000-memory.dmp

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