asyncrat | 0e5f3f1bfa5ab2717337e97d0c20dc517ab317f1e7a40865aee663b3daab3572

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
08/09/2026, 01:12

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General

Target
0e5f3f1bfa5ab2717337e97d0c20dc517ab317f1e7a40865aee663b3daab3572.exe
Size 45KB
Sample260908-bkvjmscd24
SHA256 0e5f3f1bfa5ab2717337e97d0c20dc517ab317f1e7a40865aee663b3daab3572
MD5 3ecc64b144164ec84fbf032d1c7bdcad
SHA1 fe8a41ba706f4e6775e02408395cd0f1e15af26f
SHA512 d2000a4b43a429749b6a0678b0a29f10a0eef543c2334b868401cff21e88fe361c3cf5781c15cdfa07cc8309318a2670f26c7004875e60bc696923515744f9e9
SSDEEP 768:wuZ8pT1Uu4/cWUeT66mo2q1a0e3NEARViZPIrzjbwgX3iLb6WRHwWhGuRBDZMx:wuZ8pT1tc2t3e+iWr3b3XSvLQMvdMx
TLSH
T108230B003BE9812BF2BE4F78A9F26145867AF2673603D5891CC451DB5613FC69A03AFD
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.ws:80
heovl.ws:22
heovl.ws:8080
heovl.ws:8880
heovl.ws:2052
heovl.ws:2082
heovl.ws:2086
heovl.ws:2095
heovl.ws:443
heovl.ws:2053
heovl.ws:2083
heovl.ws:2087
heovl.ws:2096
heovl.ws:8443
www.heovl.ws:80
www.heovl.ws:22
www.heovl.ws:8080
www.heovl.ws:8880
www.heovl.ws:2052
www.heovl.ws:2082
www.heovl.ws:2086
www.heovl.ws:2095
www.heovl.ws:443
www.heovl.ws:2053
www.heovl.ws:2083
www.heovl.ws:2087
www.heovl.ws:2096
www.heovl.ws:8443
sobig.heovl.ws:80
sobig.heovl.ws:22
sobig.heovl.ws:8080
sobig.heovl.ws:8880
sobig.heovl.ws:2052
sobig.heovl.ws:2082
sobig.heovl.ws:2086
sobig.heovl.ws:2095
sobig.heovl.ws:443
sobig.heovl.ws:2053
sobig.heovl.ws:2083
sobig.heovl.ws:2087
sobig.heovl.ws:2096
sobig.heovl.ws:8443
locky.heovl.ws:80
locky.heovl.ws:22
locky.heovl.ws:8080
locky.heovl.ws:8880
locky.heovl.ws:2052
locky.heovl.ws:2082
locky.heovl.ws:2086
locky.heovl.ws:2095
locky.heovl.ws:443
locky.heovl.ws:2053
locky.heovl.ws:2083
locky.heovl.ws:2087
locky.heovl.ws:2096
locky.heovl.ws:8443
melissa.heovl.ws:80
melissa.heovl.ws:22
melissa.heovl.ws:8080
melissa.heovl.ws:8880
melissa.heovl.ws:2052
melissa.heovl.ws:2082
melissa.heovl.ws:2086
melissa.heovl.ws:2095
melissa.heovl.ws:443
melissa.heovl.ws:2053
melissa.heovl.ws:2083
melissa.heovl.ws:2087
melissa.heovl.ws:2096
melissa.heovl.ws:8443

Mutex

7rfyDCeSIcUq

Attributes

delay
0
install
true
install_file
ypzi.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/0x0006000000000405-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
2848	ypzi.exe
4424	ypzi.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	172.67.142.17:22
SSH destination	13	104.21.54.204:22
SSH destination	16	172.67.142.17:22
SSH destination	17	104.21.54.204:22

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
5092	cmd.exe
4348	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	0e5f3f1bfa5ab2717337e97d0c20dc517ab317f1e7a40865aee663b3daab3572.exe
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	ypzi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ypzi.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
1256	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
4644	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
4512	0e5f3f1bfa5ab2717337e97d0c20dc517ab317f1e7a40865aee663b3daab3572.exe
4512	0e5f3f1bfa5ab2717337e97d0c20dc517ab317f1e7a40865aee663b3daab3572.exe
4512	0e5f3f1bfa5ab2717337e97d0c20dc517ab317f1e7a40865aee663b3daab3572.exe
4512	0e5f3f1bfa5ab2717337e97d0c20dc517ab317f1e7a40865aee663b3daab3572.exe
4512	0e5f3f1bfa5ab2717337e97d0c20dc517ab317f1e7a40865aee663b3daab3572.exe
4512	0e5f3f1bfa5ab2717337e97d0c20dc517ab317f1e7a40865aee663b3daab3572.exe
4512	0e5f3f1bfa5ab2717337e97d0c20dc517ab317f1e7a40865aee663b3daab3572.exe
4512	0e5f3f1bfa5ab2717337e97d0c20dc517ab317f1e7a40865aee663b3daab3572.exe
4512	0e5f3f1bfa5ab2717337e97d0c20dc517ab317f1e7a40865aee663b3daab3572.exe
4512	0e5f3f1bfa5ab2717337e97d0c20dc517ab317f1e7a40865aee663b3daab3572.exe
4512	0e5f3f1bfa5ab2717337e97d0c20dc517ab317f1e7a40865aee663b3daab3572.exe
4512	0e5f3f1bfa5ab2717337e97d0c20dc517ab317f1e7a40865aee663b3daab3572.exe
4512	0e5f3f1bfa5ab2717337e97d0c20dc517ab317f1e7a40865aee663b3daab3572.exe
4512	0e5f3f1bfa5ab2717337e97d0c20dc517ab317f1e7a40865aee663b3daab3572.exe
4512	0e5f3f1bfa5ab2717337e97d0c20dc517ab317f1e7a40865aee663b3daab3572.exe
4512	0e5f3f1bfa5ab2717337e97d0c20dc517ab317f1e7a40865aee663b3daab3572.exe
4512	0e5f3f1bfa5ab2717337e97d0c20dc517ab317f1e7a40865aee663b3daab3572.exe
4512	0e5f3f1bfa5ab2717337e97d0c20dc517ab317f1e7a40865aee663b3daab3572.exe
4512	0e5f3f1bfa5ab2717337e97d0c20dc517ab317f1e7a40865aee663b3daab3572.exe
4512	0e5f3f1bfa5ab2717337e97d0c20dc517ab317f1e7a40865aee663b3daab3572.exe
4512	0e5f3f1bfa5ab2717337e97d0c20dc517ab317f1e7a40865aee663b3daab3572.exe
4512	0e5f3f1bfa5ab2717337e97d0c20dc517ab317f1e7a40865aee663b3daab3572.exe
4512	0e5f3f1bfa5ab2717337e97d0c20dc517ab317f1e7a40865aee663b3daab3572.exe
4512	0e5f3f1bfa5ab2717337e97d0c20dc517ab317f1e7a40865aee663b3daab3572.exe
4512	0e5f3f1bfa5ab2717337e97d0c20dc517ab317f1e7a40865aee663b3daab3572.exe
4512	0e5f3f1bfa5ab2717337e97d0c20dc517ab317f1e7a40865aee663b3daab3572.exe
4512	0e5f3f1bfa5ab2717337e97d0c20dc517ab317f1e7a40865aee663b3daab3572.exe
4512	0e5f3f1bfa5ab2717337e97d0c20dc517ab317f1e7a40865aee663b3daab3572.exe
4512	0e5f3f1bfa5ab2717337e97d0c20dc517ab317f1e7a40865aee663b3daab3572.exe
4512	0e5f3f1bfa5ab2717337e97d0c20dc517ab317f1e7a40865aee663b3daab3572.exe
4512	0e5f3f1bfa5ab2717337e97d0c20dc517ab317f1e7a40865aee663b3daab3572.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4512	0e5f3f1bfa5ab2717337e97d0c20dc517ab317f1e7a40865aee663b3daab3572.exe
Token: SeDebugPrivilege	2848	ypzi.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4512 wrote to memory of 5092	4512	0e5f3f1bfa5ab2717337e97d0c20dc517ab317f1e7a40865aee663b3daab3572.exe	89
PID 4512 wrote to memory of 4348	4512	0e5f3f1bfa5ab2717337e97d0c20dc517ab317f1e7a40865aee663b3daab3572.exe	91
PID 5092 wrote to memory of 4644	5092	cmd.exe	93
PID 4348 wrote to memory of 1256	4348	cmd.exe	94
PID 4348 wrote to memory of 4424	4348	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\0e5f3f1bfa5ab2717337e97d0c20dc517ab317f1e7a40865aee663b3daab3572.exe
"C:\Users\Admin\AppData\Local\Temp\0e5f3f1bfa5ab2717337e97d0c20dc517ab317f1e7a40865aee663b3daab3572.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4512
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "ypzi" /tr '"C:\Users\Admin\AppData\Roaming\ypzi.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5092
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "ypzi" /tr '"C:\Users\Admin\AppData\Roaming\ypzi.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4644
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpEEA.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4348
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:1256
- - C:\Users\Admin\AppData\Roaming\ypzi.exe
    "C:\Users\Admin\AppData\Roaming\ypzi.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4424

C:\Users\Admin\AppData\Roaming\ypzi.exe
"C:\Users\Admin\AppData\Roaming\ypzi.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2848

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

tmpEEA.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpEEA.tmp.bat
Size 147B
SHA256 31753bedf40a870260db97af7586da8a2d4be448f5115aa3eb51345f044b499f
MD5 571d90f8a1ceb1f8fe2e30febe5a30f6
SHA1 c81bf32e8d7cae01f64721a697a5cb3586d71b97
SHA512 1bd6b9497bd89d5e167354dfc5d8786fa863ba4731919cc3ec89fe9cee922bc92f9d29346c59dc5332bc0f9e8a69ec5f6f2a78fedebf097899087bdac2e0adb7
TLSH
T191C08C42A1CAAA1E2806141302FAA48C9162A8193E48BB00C30484492280448E09A241
MD5 SHA1 SHA512 TLSH

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ypzi.exe

Path C:\Users\Admin\AppData\Roaming\ypzi.exe
Size 45KB
SHA256 0e5f3f1bfa5ab2717337e97d0c20dc517ab317f1e7a40865aee663b3daab3572
MD5 3ecc64b144164ec84fbf032d1c7bdcad
SHA1 fe8a41ba706f4e6775e02408395cd0f1e15af26f
SHA512 d2000a4b43a429749b6a0678b0a29f10a0eef543c2334b868401cff21e88fe361c3cf5781c15cdfa07cc8309318a2670f26c7004875e60bc696923515744f9e9
SSDEEP 768:wuZ8pT1Uu4/cWUeT66mo2q1a0e3NEARViZPIrzjbwgX3iLb6WRHwWhGuRBDZMx:wuZ8pT1tc2t3e+iWr3b3XSvLQMvdMx
TLSH
T108230B003BE9812BF2BE4F78A9F26145867AF2673603D5891CC451DB5613FC69A03AFD
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2848-12-0x0000000074A80000-0x000000007523C000-memory.dmp

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memory/2848-14-0x0000000074A80000-0x000000007523C000-memory.dmp

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memory/4512-0-0x0000000074A92000-0x0000000074A93000-memory.dmp

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memory/4512-1-0x00000000007D0000-0x00000000007E2000-memory.dmp

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memory/4512-2-0x0000000074A80000-0x000000007523C000-memory.dmp

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memory/4512-3-0x00000000051F0000-0x000000000528C000-memory.dmp

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memory/4512-9-0x0000000074A80000-0x000000007523C000-memory.dmp

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