asyncrat | a0aa322d3e56473927674d59c2baadebd9923883e75693f4259980166d4e500f

Analysis

max time kernel
148s
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, 06:33

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General

Target
a0aa322d3e56473927674d59c2baadebd9923883e75693f4259980166d4e500f.exe
Size 45KB
Sample260802-hbns3aed69
SHA256 a0aa322d3e56473927674d59c2baadebd9923883e75693f4259980166d4e500f
MD5 149870f30691b552085b26ac45836ca9
SHA1 5c8f2c3074e8d3f4c2daf3410685dce78555a20b
SHA512 99e8f966ff6d667f6c0ddbcc0c1a5764008b1b16cc177f49c87e2af84dcfab1529ef9c9a130ab9faa636b46decdcb39769aaa18eabba98b184e82b8c6018894f
SSDEEP 768:kuSOpTPTCFcWUeXa6mo2qAaLiE02FjrdjYkk8PI1BjbsgX3iy4YU6JY9aUal8TbY:kuSOpTPOP2KL9XQB1RbjXSYU6WaUaAdO
TLSH
T1B5231B0037E9812BF2BE4F7468F26145867AF6736603D54E1CC451DB5A23FC68A426FE
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
clop.xcavengon.click:80
clop.xcavengon.click:22
clop.xcavengon.click:8080
clop.xcavengon.click:8880
clop.xcavengon.click:2052
clop.xcavengon.click:2082
clop.xcavengon.click:2086
clop.xcavengon.click:2095
clop.xcavengon.click:443
clop.xcavengon.click:2053
clop.xcavengon.click:2083
clop.xcavengon.click:2087
clop.xcavengon.click:2096
clop.xcavengon.click:8443
emotet.xcavengon.click:80
emotet.xcavengon.click:22
emotet.xcavengon.click:8080
emotet.xcavengon.click:8880
emotet.xcavengon.click:2052
emotet.xcavengon.click:2082
emotet.xcavengon.click:2086
emotet.xcavengon.click:2095
emotet.xcavengon.click:443
emotet.xcavengon.click:2053
emotet.xcavengon.click:2083
emotet.xcavengon.click:2087
emotet.xcavengon.click:2096
emotet.xcavengon.click:8443
invasive.xcavengon.click:80
invasive.xcavengon.click:22
invasive.xcavengon.click:8080
invasive.xcavengon.click:8880
invasive.xcavengon.click:2052
invasive.xcavengon.click:2082
invasive.xcavengon.click:2086
invasive.xcavengon.click:2095
invasive.xcavengon.click:443
invasive.xcavengon.click:2053
invasive.xcavengon.click:2083
invasive.xcavengon.click:2087
invasive.xcavengon.click:2096
invasive.xcavengon.click:8443
qakbot.xcavengon.click:80
qakbot.xcavengon.click:22
qakbot.xcavengon.click:8080
qakbot.xcavengon.click:8880
qakbot.xcavengon.click:2052
qakbot.xcavengon.click:2082
qakbot.xcavengon.click:2086
qakbot.xcavengon.click:2095
qakbot.xcavengon.click:443
qakbot.xcavengon.click:2053
qakbot.xcavengon.click:2083
qakbot.xcavengon.click:2087
qakbot.xcavengon.click:2096
qakbot.xcavengon.click:8443

Mutex

dBH2X3soVsdb

Attributes

delay
0
install
true
install_file
bd46.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/0x000d00000001c5cc-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
2852	bd46.exe
2620	bd46.exe

Outbound SSH connection to public host 2 TTPs 2 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	12	172.67.189.217:22
SSH destination	16	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
4796	cmd.exe
4120	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	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	bd46.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bd46.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a0aa322d3e56473927674d59c2baadebd9923883e75693f4259980166d4e500f.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
6004	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
2708	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
4552	a0aa322d3e56473927674d59c2baadebd9923883e75693f4259980166d4e500f.exe
4552	a0aa322d3e56473927674d59c2baadebd9923883e75693f4259980166d4e500f.exe
4552	a0aa322d3e56473927674d59c2baadebd9923883e75693f4259980166d4e500f.exe
4552	a0aa322d3e56473927674d59c2baadebd9923883e75693f4259980166d4e500f.exe
4552	a0aa322d3e56473927674d59c2baadebd9923883e75693f4259980166d4e500f.exe
4552	a0aa322d3e56473927674d59c2baadebd9923883e75693f4259980166d4e500f.exe
4552	a0aa322d3e56473927674d59c2baadebd9923883e75693f4259980166d4e500f.exe
4552	a0aa322d3e56473927674d59c2baadebd9923883e75693f4259980166d4e500f.exe
4552	a0aa322d3e56473927674d59c2baadebd9923883e75693f4259980166d4e500f.exe
4552	a0aa322d3e56473927674d59c2baadebd9923883e75693f4259980166d4e500f.exe
4552	a0aa322d3e56473927674d59c2baadebd9923883e75693f4259980166d4e500f.exe
4552	a0aa322d3e56473927674d59c2baadebd9923883e75693f4259980166d4e500f.exe
4552	a0aa322d3e56473927674d59c2baadebd9923883e75693f4259980166d4e500f.exe
4552	a0aa322d3e56473927674d59c2baadebd9923883e75693f4259980166d4e500f.exe
4552	a0aa322d3e56473927674d59c2baadebd9923883e75693f4259980166d4e500f.exe
4552	a0aa322d3e56473927674d59c2baadebd9923883e75693f4259980166d4e500f.exe
4552	a0aa322d3e56473927674d59c2baadebd9923883e75693f4259980166d4e500f.exe
4552	a0aa322d3e56473927674d59c2baadebd9923883e75693f4259980166d4e500f.exe
4552	a0aa322d3e56473927674d59c2baadebd9923883e75693f4259980166d4e500f.exe
4552	a0aa322d3e56473927674d59c2baadebd9923883e75693f4259980166d4e500f.exe
4552	a0aa322d3e56473927674d59c2baadebd9923883e75693f4259980166d4e500f.exe
4552	a0aa322d3e56473927674d59c2baadebd9923883e75693f4259980166d4e500f.exe
4552	a0aa322d3e56473927674d59c2baadebd9923883e75693f4259980166d4e500f.exe
4552	a0aa322d3e56473927674d59c2baadebd9923883e75693f4259980166d4e500f.exe
4552	a0aa322d3e56473927674d59c2baadebd9923883e75693f4259980166d4e500f.exe
4552	a0aa322d3e56473927674d59c2baadebd9923883e75693f4259980166d4e500f.exe
4552	a0aa322d3e56473927674d59c2baadebd9923883e75693f4259980166d4e500f.exe
4552	a0aa322d3e56473927674d59c2baadebd9923883e75693f4259980166d4e500f.exe
4552	a0aa322d3e56473927674d59c2baadebd9923883e75693f4259980166d4e500f.exe
4552	a0aa322d3e56473927674d59c2baadebd9923883e75693f4259980166d4e500f.exe
4552	a0aa322d3e56473927674d59c2baadebd9923883e75693f4259980166d4e500f.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4552	a0aa322d3e56473927674d59c2baadebd9923883e75693f4259980166d4e500f.exe
Token: SeDebugPrivilege	2852	bd46.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4552 wrote to memory of 4796	4552	a0aa322d3e56473927674d59c2baadebd9923883e75693f4259980166d4e500f.exe	89
PID 4552 wrote to memory of 4120	4552	a0aa322d3e56473927674d59c2baadebd9923883e75693f4259980166d4e500f.exe	91
PID 4796 wrote to memory of 2708	4796	cmd.exe	93
PID 4120 wrote to memory of 6004	4120	cmd.exe	94
PID 4120 wrote to memory of 2620	4120	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\a0aa322d3e56473927674d59c2baadebd9923883e75693f4259980166d4e500f.exe
"C:\Users\Admin\AppData\Local\Temp\a0aa322d3e56473927674d59c2baadebd9923883e75693f4259980166d4e500f.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4552
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "bd46" /tr '"C:\Users\Admin\AppData\Roaming\bd46.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4796
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "bd46" /tr '"C:\Users\Admin\AppData\Roaming\bd46.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2708
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp50B6.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4120
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:6004
- - C:\Users\Admin\AppData\Roaming\bd46.exe
    "C:\Users\Admin\AppData\Roaming\bd46.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2620

C:\Users\Admin\AppData\Roaming\bd46.exe
"C:\Users\Admin\AppData\Roaming\bd46.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2852

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

tmp50B6.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp50B6.tmp.bat
Size 148B
SHA256 505a617e1f50c996527813f5b30a12529668050801774f370f292735f0473816
MD5 fda4c384753b29652b1e3786203963b1
SHA1 dad0aca2c4a4a5760a26f04a6b8b2bb5e9c061d5
SHA512 ae4b2985d13d05c38fbe92d6722e03e397ee4e45b25bad3f53436017e73643ea671319d3f3578144c9cb1d4e2f920aa0d1e93d3c7b0560523448cfa48053ed30
TLSH
T106C08C5291C5AA0E2809141306FA9A8C9162681A3E40AB009B08801A56C044CE0E9249
MD5 SHA1 SHA512 TLSH

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bd46.exe

Path C:\Users\Admin\AppData\Roaming\bd46.exe
Size 45KB
SHA256 a0aa322d3e56473927674d59c2baadebd9923883e75693f4259980166d4e500f
MD5 149870f30691b552085b26ac45836ca9
SHA1 5c8f2c3074e8d3f4c2daf3410685dce78555a20b
SHA512 99e8f966ff6d667f6c0ddbcc0c1a5764008b1b16cc177f49c87e2af84dcfab1529ef9c9a130ab9faa636b46decdcb39769aaa18eabba98b184e82b8c6018894f
SSDEEP 768:kuSOpTPTCFcWUeXa6mo2qAaLiE02FjrdjYkk8PI1BjbsgX3iy4YU6JY9aUal8TbY:kuSOpTPOP2KL9XQB1RbjXSYU6WaUaAdO
TLSH
T1B5231B0037E9812BF2BE4F7468F26145867AF6736603D54E1CC451DB5A23FC68A426FE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2852-12-0x0000000074400000-0x0000000074BBC000-memory.dmp

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memory/2852-14-0x0000000074400000-0x0000000074BBC000-memory.dmp

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memory/4552-0-0x0000000074582000-0x0000000074583000-memory.dmp

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memory/4552-1-0x0000000000AF0000-0x0000000000B02000-memory.dmp

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memory/4552-2-0x0000000074570000-0x0000000074D2C000-memory.dmp

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memory/4552-3-0x0000000005670000-0x000000000570C000-memory.dmp

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memory/4552-8-0x0000000074570000-0x0000000074D2C000-memory.dmp

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