asyncrat | 738b131d8b231aaaa3637d3145881190b8b9dcd6542e042d982ebadf0d062fed

Analysis

max time kernel
148s
max time network
152s
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, 09:28

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General

Target
738b131d8b231aaaa3637d3145881190b8b9dcd6542e042d982ebadf0d062fed.exe
Size 45KB
Sample260804-lfpgyasvb1
SHA256 738b131d8b231aaaa3637d3145881190b8b9dcd6542e042d982ebadf0d062fed
MD5 b1f674fa7d65b046380d43fb83bf06f7
SHA1 263026e91faee6530cf2520a310049550c616bf2
SHA512 89b0747cfebf779d9acf1e57474b9daf85af823156b01f3f51678614fc567017b6f0aa4a8679280b26cf52b2f2004a0a46b5b6b7543bd3a8c44b013e58fc1edf
SSDEEP 768:4uBfJTMUyYUWUWBDimo2qVecP0pycvHPIjzjb6gX3ie0TIHZdRQrRdzBDZbx:4uBfJTMpv2NccMcvgj3btXSJI5E9dVdV
TLSH
T127230A1037E9823BF2BE4FB8ACF26145467AF2633602D54D1CC4519B5623BC69A426EE
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

heovl.im:80
heovl.im:22
heovl.im:8080
heovl.im:8880
heovl.im:2052
heovl.im:2082
heovl.im:2086
heovl.im:2095
heovl.im:443
heovl.im:2053
heovl.im:2083
heovl.im:2087
heovl.im:2096
heovl.im:8443
www.heovl.im:80
www.heovl.im:22
www.heovl.im:8080
www.heovl.im:8880
www.heovl.im:2052
www.heovl.im:2082
www.heovl.im:2086
www.heovl.im:2095
www.heovl.im:443
www.heovl.im:2053
www.heovl.im:2083
www.heovl.im:2087
www.heovl.im:2096
www.heovl.im:8443
client.heovl.im:80
client.heovl.im:22
client.heovl.im:8080
client.heovl.im:8880
client.heovl.im:2052
client.heovl.im:2082
client.heovl.im:2086
client.heovl.im:2095
client.heovl.im:443
client.heovl.im:2053
client.heovl.im:2083
client.heovl.im:2087
client.heovl.im:2096
client.heovl.im:8443
mirai.heovl.im:80
mirai.heovl.im:22
mirai.heovl.im:8080
mirai.heovl.im:8880
mirai.heovl.im:2052
mirai.heovl.im:2082
mirai.heovl.im:2086
mirai.heovl.im:2095
mirai.heovl.im:443
mirai.heovl.im:2053
mirai.heovl.im:2083
mirai.heovl.im:2087
mirai.heovl.im:2096
mirai.heovl.im:8443

Mutex

kW4lcfMIozSu

Attributes

delay
0
install
true
install_file
2woz.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/0x000f00000001c4f4-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
5456	2woz.exe
2392	2woz.exe

Outbound SSH connection to public host 2 TTPs 1 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	18	104.26.6.168:22

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
5076	cmd.exe
5916	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	2woz.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2woz.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	738b131d8b231aaaa3637d3145881190b8b9dcd6542e042d982ebadf0d062fed.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
5724	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
4844	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
4184	738b131d8b231aaaa3637d3145881190b8b9dcd6542e042d982ebadf0d062fed.exe
4184	738b131d8b231aaaa3637d3145881190b8b9dcd6542e042d982ebadf0d062fed.exe
4184	738b131d8b231aaaa3637d3145881190b8b9dcd6542e042d982ebadf0d062fed.exe
4184	738b131d8b231aaaa3637d3145881190b8b9dcd6542e042d982ebadf0d062fed.exe
4184	738b131d8b231aaaa3637d3145881190b8b9dcd6542e042d982ebadf0d062fed.exe
4184	738b131d8b231aaaa3637d3145881190b8b9dcd6542e042d982ebadf0d062fed.exe
4184	738b131d8b231aaaa3637d3145881190b8b9dcd6542e042d982ebadf0d062fed.exe
4184	738b131d8b231aaaa3637d3145881190b8b9dcd6542e042d982ebadf0d062fed.exe
4184	738b131d8b231aaaa3637d3145881190b8b9dcd6542e042d982ebadf0d062fed.exe
4184	738b131d8b231aaaa3637d3145881190b8b9dcd6542e042d982ebadf0d062fed.exe
4184	738b131d8b231aaaa3637d3145881190b8b9dcd6542e042d982ebadf0d062fed.exe
4184	738b131d8b231aaaa3637d3145881190b8b9dcd6542e042d982ebadf0d062fed.exe
4184	738b131d8b231aaaa3637d3145881190b8b9dcd6542e042d982ebadf0d062fed.exe
4184	738b131d8b231aaaa3637d3145881190b8b9dcd6542e042d982ebadf0d062fed.exe
4184	738b131d8b231aaaa3637d3145881190b8b9dcd6542e042d982ebadf0d062fed.exe
4184	738b131d8b231aaaa3637d3145881190b8b9dcd6542e042d982ebadf0d062fed.exe
4184	738b131d8b231aaaa3637d3145881190b8b9dcd6542e042d982ebadf0d062fed.exe
4184	738b131d8b231aaaa3637d3145881190b8b9dcd6542e042d982ebadf0d062fed.exe
4184	738b131d8b231aaaa3637d3145881190b8b9dcd6542e042d982ebadf0d062fed.exe
4184	738b131d8b231aaaa3637d3145881190b8b9dcd6542e042d982ebadf0d062fed.exe
4184	738b131d8b231aaaa3637d3145881190b8b9dcd6542e042d982ebadf0d062fed.exe
4184	738b131d8b231aaaa3637d3145881190b8b9dcd6542e042d982ebadf0d062fed.exe
4184	738b131d8b231aaaa3637d3145881190b8b9dcd6542e042d982ebadf0d062fed.exe
4184	738b131d8b231aaaa3637d3145881190b8b9dcd6542e042d982ebadf0d062fed.exe
4184	738b131d8b231aaaa3637d3145881190b8b9dcd6542e042d982ebadf0d062fed.exe
4184	738b131d8b231aaaa3637d3145881190b8b9dcd6542e042d982ebadf0d062fed.exe
4184	738b131d8b231aaaa3637d3145881190b8b9dcd6542e042d982ebadf0d062fed.exe
4184	738b131d8b231aaaa3637d3145881190b8b9dcd6542e042d982ebadf0d062fed.exe
4184	738b131d8b231aaaa3637d3145881190b8b9dcd6542e042d982ebadf0d062fed.exe
4184	738b131d8b231aaaa3637d3145881190b8b9dcd6542e042d982ebadf0d062fed.exe
4184	738b131d8b231aaaa3637d3145881190b8b9dcd6542e042d982ebadf0d062fed.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4184	738b131d8b231aaaa3637d3145881190b8b9dcd6542e042d982ebadf0d062fed.exe
Token: SeDebugPrivilege	5456	2woz.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4184 wrote to memory of 5076	4184	738b131d8b231aaaa3637d3145881190b8b9dcd6542e042d982ebadf0d062fed.exe	89
PID 4184 wrote to memory of 5916	4184	738b131d8b231aaaa3637d3145881190b8b9dcd6542e042d982ebadf0d062fed.exe	91
PID 5076 wrote to memory of 4844	5076	cmd.exe	93
PID 5916 wrote to memory of 5724	5916	cmd.exe	94
PID 5916 wrote to memory of 2392	5916	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\738b131d8b231aaaa3637d3145881190b8b9dcd6542e042d982ebadf0d062fed.exe
"C:\Users\Admin\AppData\Local\Temp\738b131d8b231aaaa3637d3145881190b8b9dcd6542e042d982ebadf0d062fed.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4184
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "2woz" /tr '"C:\Users\Admin\AppData\Roaming\2woz.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5076
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "2woz" /tr '"C:\Users\Admin\AppData\Roaming\2woz.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4844
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp547F.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5916
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:5724
- - C:\Users\Admin\AppData\Roaming\2woz.exe
    "C:\Users\Admin\AppData\Roaming\2woz.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2392

C:\Users\Admin\AppData\Roaming\2woz.exe
"C:\Users\Admin\AppData\Roaming\2woz.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:5456

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

tmp547F.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp547F.tmp.bat
Size 148B
SHA256 f4d0e0b5c9533a2aae021c227166a46a9c1a0dd2427b8c4dfdb79d18e9436a3a
MD5 13841b7fd835c07015b38f8c6e37fbf0
SHA1 66915475e979608dea818f8eea29a158aef7ef4e
SHA512 996f0e9f370def96d87de8c3261322ae15b376b4720f816eb6eaa35bd940d01e0d93542e855ba5f373c82feb9b06fb6b978710fb61c3b1f225a30bed30efd3be
TLSH
T14AC02B6269C9EE1F2C0B541303FADD9C9176AC1A3F80BF00C308400E138054CF0DA345
MD5 SHA1 SHA512 TLSH

Submit Download

2woz.exe

Path C:\Users\Admin\AppData\Roaming\2woz.exe
Size 45KB
SHA256 738b131d8b231aaaa3637d3145881190b8b9dcd6542e042d982ebadf0d062fed
MD5 b1f674fa7d65b046380d43fb83bf06f7
SHA1 263026e91faee6530cf2520a310049550c616bf2
SHA512 89b0747cfebf779d9acf1e57474b9daf85af823156b01f3f51678614fc567017b6f0aa4a8679280b26cf52b2f2004a0a46b5b6b7543bd3a8c44b013e58fc1edf
SSDEEP 768:4uBfJTMUyYUWUWBDimo2qVecP0pycvHPIjzjb6gX3ie0TIHZdRQrRdzBDZbx:4uBfJTMpv2NccMcvgj3btXSJI5E9dVdV
TLSH
T127230A1037E9823BF2BE4FB8ACF26145467AF2633602D54D1CC4519B5623BC69A426EE
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/4184-0-0x0000000074562000-0x0000000074563000-memory.dmp

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memory/4184-1-0x0000000000890000-0x00000000008A2000-memory.dmp

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memory/4184-2-0x0000000074550000-0x0000000074D0C000-memory.dmp

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memory/4184-3-0x00000000053F0000-0x000000000548C000-memory.dmp

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memory/4184-8-0x0000000074550000-0x0000000074D0C000-memory.dmp

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memory/5456-12-0x0000000074350000-0x0000000074B0C000-memory.dmp

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memory/5456-14-0x0000000074350000-0x0000000074B0C000-memory.dmp

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