asyncrat | 8995b43eb50218fc40b5feee9555a49c9b963fa33190b578e5509b158362517d

Analysis

max time kernel
148s
max time network
148s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
01/08/2026, 15:13

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General

Target
8995b43eb50218fc40b5feee9555a49c9b963fa33190b578e5509b158362517d.exe
Size 45KB
Sample260801-slwlrsce23
SHA256 8995b43eb50218fc40b5feee9555a49c9b963fa33190b578e5509b158362517d
MD5 2e35e4c87b2c788f65e9b5cc1349e2b7
SHA1 0fc34791b6a696599ed716837e7664d7cf76c239
SHA512 7eb802a2040cd0a7f340f881b6c61c909ce228a8823c894a24379271cc83116c2292f3e262903e754d85ee71be5e5d8293843feb4971129e74a6643277e431d4
SSDEEP 768:vuogpT78XvEsWUOsRzqmo2qr5w0QbKXPI0zjb6gX3i18g2QvZcxhIf6RdwVBDZkx:vuogpT7I62Q803btXS18gABw7dkx
TLSH
T1D7232A003BE88127F2BE4F789CF26145467AF6633603D98D6CC451DB5623BC6DA426EE
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
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
cl0p.xcavengon.click:80
cl0p.xcavengon.click:22
cl0p.xcavengon.click:8080
cl0p.xcavengon.click:8880
cl0p.xcavengon.click:2052
cl0p.xcavengon.click:2082
cl0p.xcavengon.click:2086
cl0p.xcavengon.click:2095
cl0p.xcavengon.click:443
cl0p.xcavengon.click:2053
cl0p.xcavengon.click:2083
cl0p.xcavengon.click:2087
cl0p.xcavengon.click:2096
cl0p.xcavengon.click:8443
trickbot.xcavengon.click:80
trickbot.xcavengon.click:22
trickbot.xcavengon.click:8080
trickbot.xcavengon.click:8880
trickbot.xcavengon.click:2052
trickbot.xcavengon.click:2082
trickbot.xcavengon.click:2086
trickbot.xcavengon.click:2095
trickbot.xcavengon.click:443
trickbot.xcavengon.click:2053
trickbot.xcavengon.click:2083
trickbot.xcavengon.click:2087
trickbot.xcavengon.click:2096
trickbot.xcavengon.click:8443
nanocore.xcavengon.click:80
nanocore.xcavengon.click:22
nanocore.xcavengon.click:8080
nanocore.xcavengon.click:8880
nanocore.xcavengon.click:2052
nanocore.xcavengon.click:2082
nanocore.xcavengon.click:2086
nanocore.xcavengon.click:2095
nanocore.xcavengon.click:443
nanocore.xcavengon.click:2053
nanocore.xcavengon.click:2083
nanocore.xcavengon.click:2087
nanocore.xcavengon.click:2096
nanocore.xcavengon.click:8443

Mutex

uVymx7DTkbcW

Attributes

delay
0
install
true
install_file
eh86xa33.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/0x000e00000001c553-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
4980	eh86xa33.exe
1076	eh86xa33.exe

Outbound SSH connection to public host 2 TTPs 5 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	5	104.21.10.8:22
SSH destination	8	172.67.189.217:22
SSH destination	11	104.21.10.8:22
SSH destination	16	172.67.189.217:22
SSH destination	18	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
4156	cmd.exe
1352	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	eh86xa33.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eh86xa33.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8995b43eb50218fc40b5feee9555a49c9b963fa33190b578e5509b158362517d.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
1716	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
2468	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
4244	8995b43eb50218fc40b5feee9555a49c9b963fa33190b578e5509b158362517d.exe
4244	8995b43eb50218fc40b5feee9555a49c9b963fa33190b578e5509b158362517d.exe
4244	8995b43eb50218fc40b5feee9555a49c9b963fa33190b578e5509b158362517d.exe
4244	8995b43eb50218fc40b5feee9555a49c9b963fa33190b578e5509b158362517d.exe
4244	8995b43eb50218fc40b5feee9555a49c9b963fa33190b578e5509b158362517d.exe
4244	8995b43eb50218fc40b5feee9555a49c9b963fa33190b578e5509b158362517d.exe
4244	8995b43eb50218fc40b5feee9555a49c9b963fa33190b578e5509b158362517d.exe
4244	8995b43eb50218fc40b5feee9555a49c9b963fa33190b578e5509b158362517d.exe
4244	8995b43eb50218fc40b5feee9555a49c9b963fa33190b578e5509b158362517d.exe
4244	8995b43eb50218fc40b5feee9555a49c9b963fa33190b578e5509b158362517d.exe
4244	8995b43eb50218fc40b5feee9555a49c9b963fa33190b578e5509b158362517d.exe
4244	8995b43eb50218fc40b5feee9555a49c9b963fa33190b578e5509b158362517d.exe
4244	8995b43eb50218fc40b5feee9555a49c9b963fa33190b578e5509b158362517d.exe
4244	8995b43eb50218fc40b5feee9555a49c9b963fa33190b578e5509b158362517d.exe
4244	8995b43eb50218fc40b5feee9555a49c9b963fa33190b578e5509b158362517d.exe
4244	8995b43eb50218fc40b5feee9555a49c9b963fa33190b578e5509b158362517d.exe
4244	8995b43eb50218fc40b5feee9555a49c9b963fa33190b578e5509b158362517d.exe
4244	8995b43eb50218fc40b5feee9555a49c9b963fa33190b578e5509b158362517d.exe
4244	8995b43eb50218fc40b5feee9555a49c9b963fa33190b578e5509b158362517d.exe
4244	8995b43eb50218fc40b5feee9555a49c9b963fa33190b578e5509b158362517d.exe
4244	8995b43eb50218fc40b5feee9555a49c9b963fa33190b578e5509b158362517d.exe
4244	8995b43eb50218fc40b5feee9555a49c9b963fa33190b578e5509b158362517d.exe
4244	8995b43eb50218fc40b5feee9555a49c9b963fa33190b578e5509b158362517d.exe
4244	8995b43eb50218fc40b5feee9555a49c9b963fa33190b578e5509b158362517d.exe
4244	8995b43eb50218fc40b5feee9555a49c9b963fa33190b578e5509b158362517d.exe
4244	8995b43eb50218fc40b5feee9555a49c9b963fa33190b578e5509b158362517d.exe
4244	8995b43eb50218fc40b5feee9555a49c9b963fa33190b578e5509b158362517d.exe
4244	8995b43eb50218fc40b5feee9555a49c9b963fa33190b578e5509b158362517d.exe
4244	8995b43eb50218fc40b5feee9555a49c9b963fa33190b578e5509b158362517d.exe
4244	8995b43eb50218fc40b5feee9555a49c9b963fa33190b578e5509b158362517d.exe
4244	8995b43eb50218fc40b5feee9555a49c9b963fa33190b578e5509b158362517d.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4244	8995b43eb50218fc40b5feee9555a49c9b963fa33190b578e5509b158362517d.exe
Token: SeDebugPrivilege	4980	eh86xa33.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4244 wrote to memory of 4156	4244	8995b43eb50218fc40b5feee9555a49c9b963fa33190b578e5509b158362517d.exe	89
PID 4244 wrote to memory of 1352	4244	8995b43eb50218fc40b5feee9555a49c9b963fa33190b578e5509b158362517d.exe	91
PID 4156 wrote to memory of 2468	4156	cmd.exe	93
PID 1352 wrote to memory of 1716	1352	cmd.exe	94
PID 1352 wrote to memory of 1076	1352	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\8995b43eb50218fc40b5feee9555a49c9b963fa33190b578e5509b158362517d.exe
"C:\Users\Admin\AppData\Local\Temp\8995b43eb50218fc40b5feee9555a49c9b963fa33190b578e5509b158362517d.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4244
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "eh86xa33" /tr '"C:\Users\Admin\AppData\Roaming\eh86xa33.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4156
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "eh86xa33" /tr '"C:\Users\Admin\AppData\Roaming\eh86xa33.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2468
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpBDB8.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1352
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:1716
- - C:\Users\Admin\AppData\Roaming\eh86xa33.exe
    "C:\Users\Admin\AppData\Roaming\eh86xa33.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1076

C:\Users\Admin\AppData\Roaming\eh86xa33.exe
"C:\Users\Admin\AppData\Roaming\eh86xa33.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4980

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

tmpBDB8.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpBDB8.tmp.bat
Size 152B
SHA256 441657e10daa142a9f0d0e72e08b9805c491680271c2e812f91240264c4b1441
MD5 83eed357c0c418944c40db07fea8c5e7
SHA1 79f659cf6f823595d6fa2acbdc4a96ccf2d0b9f3
SHA512 e673fe2a6d83b214fd3c05b6d197d0a5884554a12da8d7248611f9b21ef1c476ac3322b61968680e68c285ebcbd5883ef3bf82fc6b2b9c01fd0784ba1f305b50
TLSH
T169C02B9359C5EE0F6C06282306FAD48C9177AD2E3F44FF50C314810E2280458F1D9349
MD5 SHA1 SHA512 TLSH

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eh86xa33.exe

Path C:\Users\Admin\AppData\Roaming\eh86xa33.exe
Size 45KB
SHA256 8995b43eb50218fc40b5feee9555a49c9b963fa33190b578e5509b158362517d
MD5 2e35e4c87b2c788f65e9b5cc1349e2b7
SHA1 0fc34791b6a696599ed716837e7664d7cf76c239
SHA512 7eb802a2040cd0a7f340f881b6c61c909ce228a8823c894a24379271cc83116c2292f3e262903e754d85ee71be5e5d8293843feb4971129e74a6643277e431d4
SSDEEP 768:vuogpT78XvEsWUOsRzqmo2qr5w0QbKXPI0zjb6gX3i18g2QvZcxhIf6RdwVBDZkx:vuogpT7I62Q803btXS18gABw7dkx
TLSH
T1D7232A003BE88127F2BE4F789CF26145467AF6633603D98D6CC451DB5623BC6DA426EE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/4244-0-0x0000000074722000-0x0000000074723000-memory.dmp

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memory/4244-1-0x0000000000950000-0x0000000000962000-memory.dmp

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memory/4244-2-0x0000000074710000-0x0000000074ECC000-memory.dmp

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memory/4244-3-0x0000000005630000-0x00000000056CC000-memory.dmp

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memory/4244-8-0x0000000074710000-0x0000000074ECC000-memory.dmp

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memory/4980-12-0x0000000074700000-0x0000000074EBC000-memory.dmp

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memory/4980-14-0x0000000074700000-0x0000000074EBC000-memory.dmp

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