asyncrat | aa04bc175a0612269990ab3b06c2e4acf78f6c3700dd26b75b87a122a7533b83

Analysis

max time kernel
6s
max time network
150s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
02/08/2026, 17:14

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General

Target
aa04bc175a0612269990ab3b06c2e4acf78f6c3700dd26b75b87a122a7533b83.exe
Size 45KB
Sample260802-vr6p2adj9w
SHA256 aa04bc175a0612269990ab3b06c2e4acf78f6c3700dd26b75b87a122a7533b83
MD5 c6a4bd9e0819136a732da86fde5d46ad
SHA1 560fe2ff23a1dc37b17ea47a7243cd6746cb6fd5
SHA512 94f519dd6d2461cf57e1cc01547f53151cdeec432672a4b3ef37e20b1d1213c0a4c09f9ad8862275b219ff9ff2b69a8763276586a169e1e83e21fbf2b0ac19e2
SSDEEP 768:UuKWgSJTwU6NkWUGnaSmo2qAvT9Qpm9PIXzjbpgX3iugt8LFMzGBDZcx:UuKWgSJTwRf2hQX3bmXSxt8LWIdcx
TLSH
T11A232A003BE8863AF2BE4FB898F26145867AF1636603D54D6CC451D75723FC6CA426FA
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

xcavengon.click:80
xcavengon.click:22
xcavengon.click:8080
xcavengon.click:8880
xcavengon.click:2052
xcavengon.click:2082
xcavengon.click:2086
xcavengon.click:2095
xcavengon.click:443
xcavengon.click:2053
xcavengon.click:2083
xcavengon.click:2087
xcavengon.click:2096
xcavengon.click:8443
www.xcavengon.click:80
www.xcavengon.click:22
www.xcavengon.click:8080
www.xcavengon.click:8880
www.xcavengon.click:2052
www.xcavengon.click:2082
www.xcavengon.click:2086
www.xcavengon.click:2095
www.xcavengon.click:443
www.xcavengon.click:2053
www.xcavengon.click:2083
www.xcavengon.click:2087
www.xcavengon.click:2096
www.xcavengon.click:8443
locky.xcavengon.click:80
locky.xcavengon.click:22
locky.xcavengon.click:8080
locky.xcavengon.click:8880
locky.xcavengon.click:2052
locky.xcavengon.click:2082
locky.xcavengon.click:2086
locky.xcavengon.click:2095
locky.xcavengon.click:443
locky.xcavengon.click:2053
locky.xcavengon.click:2083
locky.xcavengon.click:2087
locky.xcavengon.click:2096
locky.xcavengon.click:8443
dridex.xcavengon.click:80
dridex.xcavengon.click:22
dridex.xcavengon.click:8080
dridex.xcavengon.click:8880
dridex.xcavengon.click:2052
dridex.xcavengon.click:2082
dridex.xcavengon.click:2086
dridex.xcavengon.click:2095
dridex.xcavengon.click:443
dridex.xcavengon.click:2053
dridex.xcavengon.click:2083
dridex.xcavengon.click:2087
dridex.xcavengon.click:2096
dridex.xcavengon.click:8443
ursnif.xcavengon.click:80
ursnif.xcavengon.click:22
ursnif.xcavengon.click:8080
ursnif.xcavengon.click:8880
ursnif.xcavengon.click:2052
ursnif.xcavengon.click:2082
ursnif.xcavengon.click:2086
ursnif.xcavengon.click:2095
ursnif.xcavengon.click:443
ursnif.xcavengon.click:2053
ursnif.xcavengon.click:2083
ursnif.xcavengon.click:2087
ursnif.xcavengon.click:2096
ursnif.xcavengon.click:8443
blaster.xcavengon.click:80
blaster.xcavengon.click:22
blaster.xcavengon.click:8080
blaster.xcavengon.click:8880
blaster.xcavengon.click:2052
blaster.xcavengon.click:2082
blaster.xcavengon.click:2086
blaster.xcavengon.click:2095
blaster.xcavengon.click:443
blaster.xcavengon.click:2053
blaster.xcavengon.click:2083
blaster.xcavengon.click:2087
blaster.xcavengon.click:2096
blaster.xcavengon.click:8443

Mutex

VBWwgYqLl9AD

Attributes

delay
0
install
true
install_file
hbzzr074.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/0x0003000000000438-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
1112	hbzzr074.exe
3056	hbzzr074.exe

Outbound SSH connection to public host 2 TTPs 4 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	8	172.67.189.217:22
SSH destination	9	104.21.10.8:22
SSH destination	12	172.67.189.217:22
SSH destination	13	104.21.10.8:22

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
1812	cmd.exe
4900	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	aa04bc175a0612269990ab3b06c2e4acf78f6c3700dd26b75b87a122a7533b83.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	hbzzr074.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hbzzr074.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
5592	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
3148	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
4648	aa04bc175a0612269990ab3b06c2e4acf78f6c3700dd26b75b87a122a7533b83.exe
4648	aa04bc175a0612269990ab3b06c2e4acf78f6c3700dd26b75b87a122a7533b83.exe
4648	aa04bc175a0612269990ab3b06c2e4acf78f6c3700dd26b75b87a122a7533b83.exe
4648	aa04bc175a0612269990ab3b06c2e4acf78f6c3700dd26b75b87a122a7533b83.exe
4648	aa04bc175a0612269990ab3b06c2e4acf78f6c3700dd26b75b87a122a7533b83.exe
4648	aa04bc175a0612269990ab3b06c2e4acf78f6c3700dd26b75b87a122a7533b83.exe
4648	aa04bc175a0612269990ab3b06c2e4acf78f6c3700dd26b75b87a122a7533b83.exe
4648	aa04bc175a0612269990ab3b06c2e4acf78f6c3700dd26b75b87a122a7533b83.exe
4648	aa04bc175a0612269990ab3b06c2e4acf78f6c3700dd26b75b87a122a7533b83.exe
4648	aa04bc175a0612269990ab3b06c2e4acf78f6c3700dd26b75b87a122a7533b83.exe
4648	aa04bc175a0612269990ab3b06c2e4acf78f6c3700dd26b75b87a122a7533b83.exe
4648	aa04bc175a0612269990ab3b06c2e4acf78f6c3700dd26b75b87a122a7533b83.exe
4648	aa04bc175a0612269990ab3b06c2e4acf78f6c3700dd26b75b87a122a7533b83.exe
4648	aa04bc175a0612269990ab3b06c2e4acf78f6c3700dd26b75b87a122a7533b83.exe
4648	aa04bc175a0612269990ab3b06c2e4acf78f6c3700dd26b75b87a122a7533b83.exe
4648	aa04bc175a0612269990ab3b06c2e4acf78f6c3700dd26b75b87a122a7533b83.exe
4648	aa04bc175a0612269990ab3b06c2e4acf78f6c3700dd26b75b87a122a7533b83.exe
4648	aa04bc175a0612269990ab3b06c2e4acf78f6c3700dd26b75b87a122a7533b83.exe
4648	aa04bc175a0612269990ab3b06c2e4acf78f6c3700dd26b75b87a122a7533b83.exe
4648	aa04bc175a0612269990ab3b06c2e4acf78f6c3700dd26b75b87a122a7533b83.exe
4648	aa04bc175a0612269990ab3b06c2e4acf78f6c3700dd26b75b87a122a7533b83.exe
4648	aa04bc175a0612269990ab3b06c2e4acf78f6c3700dd26b75b87a122a7533b83.exe
4648	aa04bc175a0612269990ab3b06c2e4acf78f6c3700dd26b75b87a122a7533b83.exe
4648	aa04bc175a0612269990ab3b06c2e4acf78f6c3700dd26b75b87a122a7533b83.exe
4648	aa04bc175a0612269990ab3b06c2e4acf78f6c3700dd26b75b87a122a7533b83.exe
4648	aa04bc175a0612269990ab3b06c2e4acf78f6c3700dd26b75b87a122a7533b83.exe
4648	aa04bc175a0612269990ab3b06c2e4acf78f6c3700dd26b75b87a122a7533b83.exe
4648	aa04bc175a0612269990ab3b06c2e4acf78f6c3700dd26b75b87a122a7533b83.exe
4648	aa04bc175a0612269990ab3b06c2e4acf78f6c3700dd26b75b87a122a7533b83.exe
4648	aa04bc175a0612269990ab3b06c2e4acf78f6c3700dd26b75b87a122a7533b83.exe
4648	aa04bc175a0612269990ab3b06c2e4acf78f6c3700dd26b75b87a122a7533b83.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4648	aa04bc175a0612269990ab3b06c2e4acf78f6c3700dd26b75b87a122a7533b83.exe
Token: SeDebugPrivilege	1112	hbzzr074.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4648 wrote to memory of 1812	4648	aa04bc175a0612269990ab3b06c2e4acf78f6c3700dd26b75b87a122a7533b83.exe	88
PID 4648 wrote to memory of 4900	4648	aa04bc175a0612269990ab3b06c2e4acf78f6c3700dd26b75b87a122a7533b83.exe	90
PID 1812 wrote to memory of 3148	1812	cmd.exe	92
PID 4900 wrote to memory of 5592	4900	cmd.exe	93
PID 4900 wrote to memory of 3056	4900	cmd.exe	96

C:\Users\Admin\AppData\Local\Temp\aa04bc175a0612269990ab3b06c2e4acf78f6c3700dd26b75b87a122a7533b83.exe
"C:\Users\Admin\AppData\Local\Temp\aa04bc175a0612269990ab3b06c2e4acf78f6c3700dd26b75b87a122a7533b83.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4648
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "hbzzr074" /tr '"C:\Users\Admin\AppData\Roaming\hbzzr074.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1812
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "hbzzr074" /tr '"C:\Users\Admin\AppData\Roaming\hbzzr074.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3148
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpA677.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4900
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:5592
- - C:\Users\Admin\AppData\Roaming\hbzzr074.exe
    "C:\Users\Admin\AppData\Roaming\hbzzr074.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3056

C:\Users\Admin\AppData\Roaming\hbzzr074.exe
"C:\Users\Admin\AppData\Roaming\hbzzr074.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1112

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

Replay Monitor

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Downloads

tmpA677.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpA677.tmp.bat
Size 152B
SHA256 a93731613046ba1bd141d1c5d4f97da98cbcf4728307abedc57b1639e825e76a
MD5 874e5434f2a1ecdbfb68face8ad5cec2
SHA1 85f6fdfb1eafe2f3657345e3d48fbb8cdfcec622
SHA512 158a18091e9e01dee379b5f9507983ba8d44cb9ddc9a88f8944a2d6851a7514c163b5c22f0b062b2363d0c98dedf636d7591d98454f504ea726dda0e7dae5b3a
TLSH
T1E9C02B5276C6EA4E2906241303FEE48D91B26D1D3F80FB10D704401DA2804DCF0FB345
MD5 SHA1 SHA512 TLSH

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hbzzr074.exe

Path C:\Users\Admin\AppData\Roaming\hbzzr074.exe
Size 45KB
SHA256 aa04bc175a0612269990ab3b06c2e4acf78f6c3700dd26b75b87a122a7533b83
MD5 c6a4bd9e0819136a732da86fde5d46ad
SHA1 560fe2ff23a1dc37b17ea47a7243cd6746cb6fd5
SHA512 94f519dd6d2461cf57e1cc01547f53151cdeec432672a4b3ef37e20b1d1213c0a4c09f9ad8862275b219ff9ff2b69a8763276586a169e1e83e21fbf2b0ac19e2
SSDEEP 768:UuKWgSJTwU6NkWUGnaSmo2qAvT9Qpm9PIXzjbpgX3iugt8LFMzGBDZcx:UuKWgSJTwRf2hQX3bmXSxt8LWIdcx
TLSH
T11A232A003BE8863AF2BE4FB898F26145867AF1636603D54D6CC451D75723FC6CA426FA
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/1112-12-0x0000000074D90000-0x000000007554C000-memory.dmp

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memory/1112-14-0x0000000074D90000-0x000000007554C000-memory.dmp

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memory/4648-0-0x0000000074F12000-0x0000000074F13000-memory.dmp

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memory/4648-1-0x0000000000A30000-0x0000000000A42000-memory.dmp

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memory/4648-2-0x0000000074F00000-0x00000000756BC000-memory.dmp

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memory/4648-3-0x0000000005560000-0x00000000055FC000-memory.dmp

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memory/4648-8-0x0000000074F00000-0x00000000756BC000-memory.dmp

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