asyncrat | bb8b87dabcc6ad5cc47663c805523446e1d3f4992d9ac451e9e1910ce6a73108

Analysis

max time kernel
150s
max time network
156s
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, 11:10

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General

Target
bb8b87dabcc6ad5cc47663c805523446e1d3f4992d9ac451e9e1910ce6a73108.exe
Size 45KB
Sample260804-m9nyyaycrd
SHA256 bb8b87dabcc6ad5cc47663c805523446e1d3f4992d9ac451e9e1910ce6a73108
MD5 7a5eb9c829be4562cffd16f8565e364e
SHA1 2b1c04cb18fab967cd5a03f69025184231172164
SHA512 2b5e74e82bebf02794789f90ff476e6660acb902c0780fa7dd63f19ab1a124499cf124fa40535555b16bcd383c9cfc23d9d0a002cde11738fa4bc312f132e212
SSDEEP 768:0uAVhJTDEQAQWUaDyzWmo2q7dCSwTMjPIuNjbsgX3i0/S+5sZekYWWgx0NegkBD4:0ushJTDXgH2og1uFbjXSyaBru5Sd8x
TLSH
T154231B0037D8C12BF2BE5F7899F26146867AF6633603D54E2CC4519B5723BC68A426FD
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
socgholish.xcavengon.click:80
socgholish.xcavengon.click:22
socgholish.xcavengon.click:8080
socgholish.xcavengon.click:8880
socgholish.xcavengon.click:2052
socgholish.xcavengon.click:2082
socgholish.xcavengon.click:2086
socgholish.xcavengon.click:2095
socgholish.xcavengon.click:443
socgholish.xcavengon.click:2053
socgholish.xcavengon.click:2083
socgholish.xcavengon.click:2087
socgholish.xcavengon.click:2096
socgholish.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
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
hacker.xcavengon.click:80
hacker.xcavengon.click:22
hacker.xcavengon.click:8080
hacker.xcavengon.click:8880
hacker.xcavengon.click:2052
hacker.xcavengon.click:2082
hacker.xcavengon.click:2086
hacker.xcavengon.click:2095
hacker.xcavengon.click:443
hacker.xcavengon.click:2053
hacker.xcavengon.click:2083
hacker.xcavengon.click:2087
hacker.xcavengon.click:2096
hacker.xcavengon.click:8443

Mutex

hmyoGPii4Eny

Attributes

delay
0
install
true
install_file
9jw4j6.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/0x001200000001c3a2-11.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
944	9jw4j6.exe
5128	9jw4j6.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	6	104.21.10.8:22
SSH destination	7	172.67.189.217:22

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
1476	cmd.exe
4352	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	9jw4j6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9jw4j6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bb8b87dabcc6ad5cc47663c805523446e1d3f4992d9ac451e9e1910ce6a73108.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
2736	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
5212	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
4252	bb8b87dabcc6ad5cc47663c805523446e1d3f4992d9ac451e9e1910ce6a73108.exe
4252	bb8b87dabcc6ad5cc47663c805523446e1d3f4992d9ac451e9e1910ce6a73108.exe
4252	bb8b87dabcc6ad5cc47663c805523446e1d3f4992d9ac451e9e1910ce6a73108.exe
4252	bb8b87dabcc6ad5cc47663c805523446e1d3f4992d9ac451e9e1910ce6a73108.exe
4252	bb8b87dabcc6ad5cc47663c805523446e1d3f4992d9ac451e9e1910ce6a73108.exe
4252	bb8b87dabcc6ad5cc47663c805523446e1d3f4992d9ac451e9e1910ce6a73108.exe
4252	bb8b87dabcc6ad5cc47663c805523446e1d3f4992d9ac451e9e1910ce6a73108.exe
4252	bb8b87dabcc6ad5cc47663c805523446e1d3f4992d9ac451e9e1910ce6a73108.exe
4252	bb8b87dabcc6ad5cc47663c805523446e1d3f4992d9ac451e9e1910ce6a73108.exe
4252	bb8b87dabcc6ad5cc47663c805523446e1d3f4992d9ac451e9e1910ce6a73108.exe
4252	bb8b87dabcc6ad5cc47663c805523446e1d3f4992d9ac451e9e1910ce6a73108.exe
4252	bb8b87dabcc6ad5cc47663c805523446e1d3f4992d9ac451e9e1910ce6a73108.exe
4252	bb8b87dabcc6ad5cc47663c805523446e1d3f4992d9ac451e9e1910ce6a73108.exe
4252	bb8b87dabcc6ad5cc47663c805523446e1d3f4992d9ac451e9e1910ce6a73108.exe
4252	bb8b87dabcc6ad5cc47663c805523446e1d3f4992d9ac451e9e1910ce6a73108.exe
4252	bb8b87dabcc6ad5cc47663c805523446e1d3f4992d9ac451e9e1910ce6a73108.exe
4252	bb8b87dabcc6ad5cc47663c805523446e1d3f4992d9ac451e9e1910ce6a73108.exe
4252	bb8b87dabcc6ad5cc47663c805523446e1d3f4992d9ac451e9e1910ce6a73108.exe
4252	bb8b87dabcc6ad5cc47663c805523446e1d3f4992d9ac451e9e1910ce6a73108.exe
4252	bb8b87dabcc6ad5cc47663c805523446e1d3f4992d9ac451e9e1910ce6a73108.exe
4252	bb8b87dabcc6ad5cc47663c805523446e1d3f4992d9ac451e9e1910ce6a73108.exe
4252	bb8b87dabcc6ad5cc47663c805523446e1d3f4992d9ac451e9e1910ce6a73108.exe
4252	bb8b87dabcc6ad5cc47663c805523446e1d3f4992d9ac451e9e1910ce6a73108.exe
4252	bb8b87dabcc6ad5cc47663c805523446e1d3f4992d9ac451e9e1910ce6a73108.exe
4252	bb8b87dabcc6ad5cc47663c805523446e1d3f4992d9ac451e9e1910ce6a73108.exe
4252	bb8b87dabcc6ad5cc47663c805523446e1d3f4992d9ac451e9e1910ce6a73108.exe
4252	bb8b87dabcc6ad5cc47663c805523446e1d3f4992d9ac451e9e1910ce6a73108.exe
4252	bb8b87dabcc6ad5cc47663c805523446e1d3f4992d9ac451e9e1910ce6a73108.exe
4252	bb8b87dabcc6ad5cc47663c805523446e1d3f4992d9ac451e9e1910ce6a73108.exe
4252	bb8b87dabcc6ad5cc47663c805523446e1d3f4992d9ac451e9e1910ce6a73108.exe
4252	bb8b87dabcc6ad5cc47663c805523446e1d3f4992d9ac451e9e1910ce6a73108.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4252	bb8b87dabcc6ad5cc47663c805523446e1d3f4992d9ac451e9e1910ce6a73108.exe
Token: SeDebugPrivilege	944	9jw4j6.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4252 wrote to memory of 1476	4252	bb8b87dabcc6ad5cc47663c805523446e1d3f4992d9ac451e9e1910ce6a73108.exe	90
PID 4252 wrote to memory of 4352	4252	bb8b87dabcc6ad5cc47663c805523446e1d3f4992d9ac451e9e1910ce6a73108.exe	92
PID 1476 wrote to memory of 5212	1476	cmd.exe	94
PID 4352 wrote to memory of 2736	4352	cmd.exe	95
PID 4352 wrote to memory of 5128	4352	cmd.exe	98

C:\Users\Admin\AppData\Local\Temp\bb8b87dabcc6ad5cc47663c805523446e1d3f4992d9ac451e9e1910ce6a73108.exe
"C:\Users\Admin\AppData\Local\Temp\bb8b87dabcc6ad5cc47663c805523446e1d3f4992d9ac451e9e1910ce6a73108.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4252
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "9jw4j6" /tr '"C:\Users\Admin\AppData\Roaming\9jw4j6.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1476
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "9jw4j6" /tr '"C:\Users\Admin\AppData\Roaming\9jw4j6.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:5212
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp5C20.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4352
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:2736
- - C:\Users\Admin\AppData\Roaming\9jw4j6.exe
    "C:\Users\Admin\AppData\Roaming\9jw4j6.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:5128

C:\Users\Admin\AppData\Roaming\9jw4j6.exe
"C:\Users\Admin\AppData\Roaming\9jw4j6.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:944

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k GPSvcGroup
1⤵
PID:5280

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

tmp5C20.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp5C20.tmp.bat
Size 150B
SHA256 2d57b69b039b628a528de4ab07b31a08de96647551b79190fb0e8b6ab0f0cd15
MD5 aeba0fe546ed0cf9ff2ac3fbdd2d97fd
SHA1 06325b98a718613f43ea7ecef4f8397aee319409
SHA512 7e7d43db47f61e4122b13d077e10d1a694aa2ac87de1f15241607fb2c68193b0a3607c5af7a697cad6839e5322a8a45a75679c4e596803dd61f8a6635b3dbda8
TLSH
T1CBC02B4692C5FF0E2905586312FADDCC91736C1A3F40FB00E344401E128084CF0D93C1
MD5 SHA1 SHA512 TLSH

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9jw4j6.exe

Path C:\Users\Admin\AppData\Roaming\9jw4j6.exe
Size 45KB
SHA256 bb8b87dabcc6ad5cc47663c805523446e1d3f4992d9ac451e9e1910ce6a73108
MD5 7a5eb9c829be4562cffd16f8565e364e
SHA1 2b1c04cb18fab967cd5a03f69025184231172164
SHA512 2b5e74e82bebf02794789f90ff476e6660acb902c0780fa7dd63f19ab1a124499cf124fa40535555b16bcd383c9cfc23d9d0a002cde11738fa4bc312f132e212
SSDEEP 768:0uAVhJTDEQAQWUaDyzWmo2q7dCSwTMjPIuNjbsgX3i0/S+5sZekYWWgx0NegkBD4:0ushJTDXgH2og1uFbjXSyaBru5Sd8x
TLSH
T154231B0037D8C12BF2BE5F7899F26146867AF6633603D54E2CC4519B5723BC68A426FD
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/944-12-0x0000000074F40000-0x00000000756FC000-memory.dmp

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memory/944-14-0x0000000074F40000-0x00000000756FC000-memory.dmp

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memory/4252-0-0x0000000074F82000-0x0000000074F83000-memory.dmp

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memory/4252-1-0x0000000000700000-0x0000000000712000-memory.dmp

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memory/4252-2-0x0000000074F70000-0x000000007572C000-memory.dmp

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memory/4252-3-0x00000000051B0000-0x000000000524C000-memory.dmp

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memory/4252-8-0x0000000074F70000-0x000000007572C000-memory.dmp

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