asyncrat | d2e2b1489bda816a10833b14ebc6b13369c34be3e032fda3d3339c211a09aaf3

Analysis

max time kernel
148s
max time network
153s
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, 15:21

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General

Target
d2e2b1489bda816a10833b14ebc6b13369c34be3e032fda3d3339c211a09aaf3.exe
Size 45KB
Sample260804-srkrfshl7y
SHA256 d2e2b1489bda816a10833b14ebc6b13369c34be3e032fda3d3339c211a09aaf3
MD5 9c8528fd9008b588654e882053105824
SHA1 fd576e8e84d3912d0a2ef76d678b15690e8554be
SHA512 03c645121ac33d3f32185463e800e6c6e0a600a8c264c59aedd02b0ccb41a75e0d9e333e11b3f42ab2f2ef4634cc041ea59511e4c6542793edd57dcf6dca49e8
SSDEEP 768:MuLAZTnAkuSWUYzG8mo2qFEfBohEaEPIQhjbygX3ikpnEvchDHGBDZEx:MuLAZTnbg2Z4EapQxb1XSkJE0hDodEx
TLSH
T105232A003BE9812BF2BE4F78ADF26145467AF5736603D54D1CC4029B5B13FC68A52AFA
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
remcos.xcavengon.click:80
remcos.xcavengon.click:22
remcos.xcavengon.click:8080
remcos.xcavengon.click:8880
remcos.xcavengon.click:2052
remcos.xcavengon.click:2082
remcos.xcavengon.click:2086
remcos.xcavengon.click:2095
remcos.xcavengon.click:443
remcos.xcavengon.click:2053
remcos.xcavengon.click:2083
remcos.xcavengon.click:2087
remcos.xcavengon.click:2096
remcos.xcavengon.click:8443
malware.xcavengon.click:80
malware.xcavengon.click:22
malware.xcavengon.click:8080
malware.xcavengon.click:8880
malware.xcavengon.click:2052
malware.xcavengon.click:2082
malware.xcavengon.click:2086
malware.xcavengon.click:2095
malware.xcavengon.click:443
malware.xcavengon.click:2053
malware.xcavengon.click:2083
malware.xcavengon.click:2087
malware.xcavengon.click:2096
malware.xcavengon.click:8443
revil.xcavengon.click:80
revil.xcavengon.click:22
revil.xcavengon.click:8080
revil.xcavengon.click:8880
revil.xcavengon.click:2052
revil.xcavengon.click:2082
revil.xcavengon.click:2086
revil.xcavengon.click:2095
revil.xcavengon.click:443
revil.xcavengon.click:2053
revil.xcavengon.click:2083
revil.xcavengon.click:2087
revil.xcavengon.click:2096
revil.xcavengon.click:8443

Mutex

dCYJMEOB93zO

Attributes

delay
0
install
true
install_file
8obo8.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
3496	8obo8.exe
124	8obo8.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	12	104.21.10.8:22
SSH destination	13	172.67.189.217:22
SSH destination	19	104.21.10.8:22
SSH destination	20	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
5056	cmd.exe
4632	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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8obo8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8obo8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d2e2b1489bda816a10833b14ebc6b13369c34be3e032fda3d3339c211a09aaf3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
4648	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
1420	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
4696	d2e2b1489bda816a10833b14ebc6b13369c34be3e032fda3d3339c211a09aaf3.exe
4696	d2e2b1489bda816a10833b14ebc6b13369c34be3e032fda3d3339c211a09aaf3.exe
4696	d2e2b1489bda816a10833b14ebc6b13369c34be3e032fda3d3339c211a09aaf3.exe
4696	d2e2b1489bda816a10833b14ebc6b13369c34be3e032fda3d3339c211a09aaf3.exe
4696	d2e2b1489bda816a10833b14ebc6b13369c34be3e032fda3d3339c211a09aaf3.exe
4696	d2e2b1489bda816a10833b14ebc6b13369c34be3e032fda3d3339c211a09aaf3.exe
4696	d2e2b1489bda816a10833b14ebc6b13369c34be3e032fda3d3339c211a09aaf3.exe
4696	d2e2b1489bda816a10833b14ebc6b13369c34be3e032fda3d3339c211a09aaf3.exe
4696	d2e2b1489bda816a10833b14ebc6b13369c34be3e032fda3d3339c211a09aaf3.exe
4696	d2e2b1489bda816a10833b14ebc6b13369c34be3e032fda3d3339c211a09aaf3.exe
4696	d2e2b1489bda816a10833b14ebc6b13369c34be3e032fda3d3339c211a09aaf3.exe
4696	d2e2b1489bda816a10833b14ebc6b13369c34be3e032fda3d3339c211a09aaf3.exe
4696	d2e2b1489bda816a10833b14ebc6b13369c34be3e032fda3d3339c211a09aaf3.exe
4696	d2e2b1489bda816a10833b14ebc6b13369c34be3e032fda3d3339c211a09aaf3.exe
4696	d2e2b1489bda816a10833b14ebc6b13369c34be3e032fda3d3339c211a09aaf3.exe
4696	d2e2b1489bda816a10833b14ebc6b13369c34be3e032fda3d3339c211a09aaf3.exe
4696	d2e2b1489bda816a10833b14ebc6b13369c34be3e032fda3d3339c211a09aaf3.exe
4696	d2e2b1489bda816a10833b14ebc6b13369c34be3e032fda3d3339c211a09aaf3.exe
4696	d2e2b1489bda816a10833b14ebc6b13369c34be3e032fda3d3339c211a09aaf3.exe
4696	d2e2b1489bda816a10833b14ebc6b13369c34be3e032fda3d3339c211a09aaf3.exe
4696	d2e2b1489bda816a10833b14ebc6b13369c34be3e032fda3d3339c211a09aaf3.exe
4696	d2e2b1489bda816a10833b14ebc6b13369c34be3e032fda3d3339c211a09aaf3.exe
4696	d2e2b1489bda816a10833b14ebc6b13369c34be3e032fda3d3339c211a09aaf3.exe
4696	d2e2b1489bda816a10833b14ebc6b13369c34be3e032fda3d3339c211a09aaf3.exe
4696	d2e2b1489bda816a10833b14ebc6b13369c34be3e032fda3d3339c211a09aaf3.exe
4696	d2e2b1489bda816a10833b14ebc6b13369c34be3e032fda3d3339c211a09aaf3.exe
4696	d2e2b1489bda816a10833b14ebc6b13369c34be3e032fda3d3339c211a09aaf3.exe
4696	d2e2b1489bda816a10833b14ebc6b13369c34be3e032fda3d3339c211a09aaf3.exe
4696	d2e2b1489bda816a10833b14ebc6b13369c34be3e032fda3d3339c211a09aaf3.exe
4696	d2e2b1489bda816a10833b14ebc6b13369c34be3e032fda3d3339c211a09aaf3.exe
4696	d2e2b1489bda816a10833b14ebc6b13369c34be3e032fda3d3339c211a09aaf3.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4696	d2e2b1489bda816a10833b14ebc6b13369c34be3e032fda3d3339c211a09aaf3.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4696 wrote to memory of 5056	4696	d2e2b1489bda816a10833b14ebc6b13369c34be3e032fda3d3339c211a09aaf3.exe	89
PID 4696 wrote to memory of 4632	4696	d2e2b1489bda816a10833b14ebc6b13369c34be3e032fda3d3339c211a09aaf3.exe	91
PID 5056 wrote to memory of 1420	5056	cmd.exe	93
PID 4632 wrote to memory of 4648	4632	cmd.exe	94
PID 4632 wrote to memory of 124	4632	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\d2e2b1489bda816a10833b14ebc6b13369c34be3e032fda3d3339c211a09aaf3.exe
"C:\Users\Admin\AppData\Local\Temp\d2e2b1489bda816a10833b14ebc6b13369c34be3e032fda3d3339c211a09aaf3.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4696
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "8obo8" /tr '"C:\Users\Admin\AppData\Roaming\8obo8.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5056
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "8obo8" /tr '"C:\Users\Admin\AppData\Roaming\8obo8.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1420
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp6807.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4632
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4648
- - C:\Users\Admin\AppData\Roaming\8obo8.exe
    "C:\Users\Admin\AppData\Roaming\8obo8.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:124

C:\Users\Admin\AppData\Roaming\8obo8.exe
"C:\Users\Admin\AppData\Roaming\8obo8.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3496

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

tmp6807.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp6807.tmp.bat
Size 149B
SHA256 77d55ab8c78581adc0348b460b96d0a10bc59170aaa213691e8ed8a7caf6e94c
MD5 426e4e959dc3d41bd0edcfd4be61f87f
SHA1 4983085052942423ad9776df366193a00ee31f42
SHA512 f5c67531fa9b89bb791465c554a17f4bcb92f05535e8f5a154b70b3d7b8c3e0e2bb4ad69cd8556e7bd97d9d342ecc7b6fa3c8b7c645a321522fc6e36074840ac
TLSH
T15AC02B4252C9EA1E3809542302FBD58CD1B67C193F84BB40D704444D128084DF0D9342
MD5 SHA1 SHA512 TLSH

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8obo8.exe

Path C:\Users\Admin\AppData\Roaming\8obo8.exe
Size 45KB
SHA256 d2e2b1489bda816a10833b14ebc6b13369c34be3e032fda3d3339c211a09aaf3
MD5 9c8528fd9008b588654e882053105824
SHA1 fd576e8e84d3912d0a2ef76d678b15690e8554be
SHA512 03c645121ac33d3f32185463e800e6c6e0a600a8c264c59aedd02b0ccb41a75e0d9e333e11b3f42ab2f2ef4634cc041ea59511e4c6542793edd57dcf6dca49e8
SSDEEP 768:MuLAZTnAkuSWUYzG8mo2qFEfBohEaEPIQhjbygX3ikpnEvchDHGBDZEx:MuLAZTnbg2Z4EapQxb1XSkJE0hDodEx
TLSH
T105232A003BE9812BF2BE4F78ADF26145467AF5736603D54D1CC4029B5B13FC68A52AFA
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/3496-12-0x0000000074A10000-0x00000000751CC000-memory.dmp

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memory/3496-14-0x0000000074A10000-0x00000000751CC000-memory.dmp

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memory/4696-0-0x0000000074A22000-0x0000000074A23000-memory.dmp

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memory/4696-1-0x00000000000D0000-0x00000000000E2000-memory.dmp

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memory/4696-2-0x0000000074A10000-0x00000000751CC000-memory.dmp

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memory/4696-3-0x0000000004B00000-0x0000000004B9C000-memory.dmp

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memory/4696-9-0x0000000074A10000-0x00000000751CC000-memory.dmp

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