asyncrat | 2188f3f62bddc5d86827ed33e82d78b44a5d791385e09577638021460a012819

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
03/08/2026, 19:32

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General

Target
2188f3f62bddc5d86827ed33e82d78b44a5d791385e09577638021460a012819.exe
Size 45KB
Sample260803-x87prsef79
SHA256 2188f3f62bddc5d86827ed33e82d78b44a5d791385e09577638021460a012819
MD5 3d75f144ffbc346c20a51f979e14e18b
SHA1 e410b9be7541a5acb4176df812f44af9b3c1000d
SHA512 22a3d90528c4dbd6653153a4cb69b129fa4e97b4528444ec5e3ebb67bf02ffc1970c9ba9833abffb9d0c6e51f0a6f307041f4de38a1741680c2129656e5e8c5f
SSDEEP 768:UuKWgSJTwU6NkWUGnaSmo2qAjb3/GYjHuPInzjbVgXCipDgf/jy9kr/OnBDZcx:UuKWgSJTwRf2TL/3n3byXrpFtdcx
TLSH
T13C234B003BE8812BF2BE5FB898F26145857AF2737603DA491CC441DB5A13FC69A436ED
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
hermeticwiper.xcavengon.click:80
hermeticwiper.xcavengon.click:22
hermeticwiper.xcavengon.click:8080
hermeticwiper.xcavengon.click:8880
hermeticwiper.xcavengon.click:2052
hermeticwiper.xcavengon.click:2082
hermeticwiper.xcavengon.click:2086
hermeticwiper.xcavengon.click:2095
hermeticwiper.xcavengon.click:443
hermeticwiper.xcavengon.click:2053
hermeticwiper.xcavengon.click:2083
hermeticwiper.xcavengon.click:2087
hermeticwiper.xcavengon.click:2096
hermeticwiper.xcavengon.click:8443
codered.xcavengon.click:80
codered.xcavengon.click:22
codered.xcavengon.click:8080
codered.xcavengon.click:8880
codered.xcavengon.click:2052
codered.xcavengon.click:2082
codered.xcavengon.click:2086
codered.xcavengon.click:2095
codered.xcavengon.click:443
codered.xcavengon.click:2053
codered.xcavengon.click:2083
codered.xcavengon.click:2087
codered.xcavengon.click:2096
codered.xcavengon.click:8443

Mutex

vDrXnvUFC8RP

Attributes

delay
0
install
true
install_file
wy25s12p.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/0x0005000000016b3d-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
4088	wy25s12p.exe
5648	wy25s12p.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	13	104.21.10.8:22
SSH destination	12	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
2256	cmd.exe
5124	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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wy25s12p.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wy25s12p.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2188f3f62bddc5d86827ed33e82d78b44a5d791385e09577638021460a012819.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
2276	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
4892	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
1188	2188f3f62bddc5d86827ed33e82d78b44a5d791385e09577638021460a012819.exe
1188	2188f3f62bddc5d86827ed33e82d78b44a5d791385e09577638021460a012819.exe
1188	2188f3f62bddc5d86827ed33e82d78b44a5d791385e09577638021460a012819.exe
1188	2188f3f62bddc5d86827ed33e82d78b44a5d791385e09577638021460a012819.exe
1188	2188f3f62bddc5d86827ed33e82d78b44a5d791385e09577638021460a012819.exe
1188	2188f3f62bddc5d86827ed33e82d78b44a5d791385e09577638021460a012819.exe
1188	2188f3f62bddc5d86827ed33e82d78b44a5d791385e09577638021460a012819.exe
1188	2188f3f62bddc5d86827ed33e82d78b44a5d791385e09577638021460a012819.exe
1188	2188f3f62bddc5d86827ed33e82d78b44a5d791385e09577638021460a012819.exe
1188	2188f3f62bddc5d86827ed33e82d78b44a5d791385e09577638021460a012819.exe
1188	2188f3f62bddc5d86827ed33e82d78b44a5d791385e09577638021460a012819.exe
1188	2188f3f62bddc5d86827ed33e82d78b44a5d791385e09577638021460a012819.exe
1188	2188f3f62bddc5d86827ed33e82d78b44a5d791385e09577638021460a012819.exe
1188	2188f3f62bddc5d86827ed33e82d78b44a5d791385e09577638021460a012819.exe
1188	2188f3f62bddc5d86827ed33e82d78b44a5d791385e09577638021460a012819.exe
1188	2188f3f62bddc5d86827ed33e82d78b44a5d791385e09577638021460a012819.exe
1188	2188f3f62bddc5d86827ed33e82d78b44a5d791385e09577638021460a012819.exe
1188	2188f3f62bddc5d86827ed33e82d78b44a5d791385e09577638021460a012819.exe
1188	2188f3f62bddc5d86827ed33e82d78b44a5d791385e09577638021460a012819.exe
1188	2188f3f62bddc5d86827ed33e82d78b44a5d791385e09577638021460a012819.exe
1188	2188f3f62bddc5d86827ed33e82d78b44a5d791385e09577638021460a012819.exe
1188	2188f3f62bddc5d86827ed33e82d78b44a5d791385e09577638021460a012819.exe
1188	2188f3f62bddc5d86827ed33e82d78b44a5d791385e09577638021460a012819.exe
1188	2188f3f62bddc5d86827ed33e82d78b44a5d791385e09577638021460a012819.exe
1188	2188f3f62bddc5d86827ed33e82d78b44a5d791385e09577638021460a012819.exe
1188	2188f3f62bddc5d86827ed33e82d78b44a5d791385e09577638021460a012819.exe
1188	2188f3f62bddc5d86827ed33e82d78b44a5d791385e09577638021460a012819.exe
1188	2188f3f62bddc5d86827ed33e82d78b44a5d791385e09577638021460a012819.exe
1188	2188f3f62bddc5d86827ed33e82d78b44a5d791385e09577638021460a012819.exe
1188	2188f3f62bddc5d86827ed33e82d78b44a5d791385e09577638021460a012819.exe
1188	2188f3f62bddc5d86827ed33e82d78b44a5d791385e09577638021460a012819.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1188	2188f3f62bddc5d86827ed33e82d78b44a5d791385e09577638021460a012819.exe
Token: SeDebugPrivilege	4088	wy25s12p.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1188 wrote to memory of 2256	1188	2188f3f62bddc5d86827ed33e82d78b44a5d791385e09577638021460a012819.exe	89
PID 1188 wrote to memory of 5124	1188	2188f3f62bddc5d86827ed33e82d78b44a5d791385e09577638021460a012819.exe	90
PID 2256 wrote to memory of 4892	2256	cmd.exe	93
PID 5124 wrote to memory of 2276	5124	cmd.exe	94
PID 5124 wrote to memory of 5648	5124	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\2188f3f62bddc5d86827ed33e82d78b44a5d791385e09577638021460a012819.exe
"C:\Users\Admin\AppData\Local\Temp\2188f3f62bddc5d86827ed33e82d78b44a5d791385e09577638021460a012819.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1188
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "wy25s12p" /tr '"C:\Users\Admin\AppData\Roaming\wy25s12p.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2256
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "wy25s12p" /tr '"C:\Users\Admin\AppData\Roaming\wy25s12p.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4892
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp8C39.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5124
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:2276
- - C:\Users\Admin\AppData\Roaming\wy25s12p.exe
    "C:\Users\Admin\AppData\Roaming\wy25s12p.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:5648

C:\Users\Admin\AppData\Roaming\wy25s12p.exe
"C:\Users\Admin\AppData\Roaming\wy25s12p.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4088

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

tmp8C39.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp8C39.tmp.bat
Size 152B
SHA256 85e6a5d89eae1cb595d47aa787fbc55f2fd1869ca78e616572059da168ff985f
MD5 c7bafb140e8640be4dbdc168bfe31dbd
SHA1 2147d91b77e5b49e944edfdd63da44972d46dd89
SHA512 32fa5ae4afda0b417adf1fcb92712784fa41c54648249a5702402fb7d5f6b08518bb56d8be2a203cff7af7eb2b91e16b1dc2d8512c77df935946dd695a653dde
TLSH
T163C08C4261C6EE4E7A09542317BAA58CA26768293E80AF108304400E2680888E0E9642
MD5 SHA1 SHA512 TLSH

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wy25s12p.exe

Path C:\Users\Admin\AppData\Roaming\wy25s12p.exe
Size 45KB
SHA256 2188f3f62bddc5d86827ed33e82d78b44a5d791385e09577638021460a012819
MD5 3d75f144ffbc346c20a51f979e14e18b
SHA1 e410b9be7541a5acb4176df812f44af9b3c1000d
SHA512 22a3d90528c4dbd6653153a4cb69b129fa4e97b4528444ec5e3ebb67bf02ffc1970c9ba9833abffb9d0c6e51f0a6f307041f4de38a1741680c2129656e5e8c5f
SSDEEP 768:UuKWgSJTwU6NkWUGnaSmo2qAjb3/GYjHuPInzjbVgXCipDgf/jy9kr/OnBDZcx:UuKWgSJTwRf2TL/3n3byXrpFtdcx
TLSH
T13C234B003BE8812BF2BE5FB898F26145857AF2737603DA491CC441DB5A13FC69A436ED
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/1188-0-0x0000000074D92000-0x0000000074D93000-memory.dmp

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memory/1188-1-0x0000000000F30000-0x0000000000F42000-memory.dmp

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memory/1188-2-0x0000000074D80000-0x000000007553C000-memory.dmp

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memory/1188-3-0x0000000005A80000-0x0000000005B1C000-memory.dmp

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memory/1188-8-0x0000000074D80000-0x000000007553C000-memory.dmp

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memory/4088-12-0x0000000074BE0000-0x000000007539C000-memory.dmp

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memory/4088-14-0x0000000074BE0000-0x000000007539C000-memory.dmp

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