asyncrat | aa1a0d144c6cbdf2a4a82a5f4c58bef2743ce6dba808bf198f30f782b09ab892

Analysis

max time kernel
6s
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
01/08/2026, 14:25

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General

Target
aa1a0d144c6cbdf2a4a82a5f4c58bef2743ce6dba808bf198f30f782b09ab892.exe
Size 45KB
Sample260801-rrfxts1xes
SHA256 aa1a0d144c6cbdf2a4a82a5f4c58bef2743ce6dba808bf198f30f782b09ab892
MD5 09dfbd0f7d0145e15fc170e89ed13073
SHA1 c90cd0d6c1fa4b2e41b4522847a42d4f8ebc56a4
SHA512 dc8821762ca7bf9188f994bf8540ae1f2021d8387a233aba986a7955d3643a640caccc79dee36fc2fec07622b4cf29729cad6b76cf22a46e76b25e313f33cb8f
SSDEEP 768:4uBfJTMUyYUWUWBDimo2qVvL5P02FUFdxYkk8PIkzjb+gX3iGLMGXYje+L3NBDZV:4uBfJTMpv2CLDmWBk3bBXSGLMGXYK+LD
TLSH
T1AC231B0037E9812BF2BE4F7869F26245467AF6732603D5891C8451DB5B23BC68A43AFD
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

default 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
wannacry.heovl.im:80
wannacry.heovl.im:22
wannacry.heovl.im:8080
wannacry.heovl.im:8880
wannacry.heovl.im:2052
wannacry.heovl.im:2082
wannacry.heovl.im:2086
wannacry.heovl.im:2095
wannacry.heovl.im:443
wannacry.heovl.im:2053
wannacry.heovl.im:2083
wannacry.heovl.im:2087
wannacry.heovl.im:2096
wannacry.heovl.im:8443
agenttesla.heovl.im:80
agenttesla.heovl.im:22
agenttesla.heovl.im:8080
agenttesla.heovl.im:8880
agenttesla.heovl.im:2052
agenttesla.heovl.im:2082
agenttesla.heovl.im:2086
agenttesla.heovl.im:2095
agenttesla.heovl.im:443
agenttesla.heovl.im:2053
agenttesla.heovl.im:2083
agenttesla.heovl.im:2087
agenttesla.heovl.im:2096
agenttesla.heovl.im:8443

Mutex

GJ26yDA0D6hM

Attributes

delay
0
install
true
install_file
avt3.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/0x000e00000001c581-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
1816	avt3.exe
4128	avt3.exe

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
4948	cmd.exe
4512	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	avt3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	avt3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aa1a0d144c6cbdf2a4a82a5f4c58bef2743ce6dba808bf198f30f782b09ab892.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
4328	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
3580	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
6032	aa1a0d144c6cbdf2a4a82a5f4c58bef2743ce6dba808bf198f30f782b09ab892.exe
6032	aa1a0d144c6cbdf2a4a82a5f4c58bef2743ce6dba808bf198f30f782b09ab892.exe
6032	aa1a0d144c6cbdf2a4a82a5f4c58bef2743ce6dba808bf198f30f782b09ab892.exe
6032	aa1a0d144c6cbdf2a4a82a5f4c58bef2743ce6dba808bf198f30f782b09ab892.exe
6032	aa1a0d144c6cbdf2a4a82a5f4c58bef2743ce6dba808bf198f30f782b09ab892.exe
6032	aa1a0d144c6cbdf2a4a82a5f4c58bef2743ce6dba808bf198f30f782b09ab892.exe
6032	aa1a0d144c6cbdf2a4a82a5f4c58bef2743ce6dba808bf198f30f782b09ab892.exe
6032	aa1a0d144c6cbdf2a4a82a5f4c58bef2743ce6dba808bf198f30f782b09ab892.exe
6032	aa1a0d144c6cbdf2a4a82a5f4c58bef2743ce6dba808bf198f30f782b09ab892.exe
6032	aa1a0d144c6cbdf2a4a82a5f4c58bef2743ce6dba808bf198f30f782b09ab892.exe
6032	aa1a0d144c6cbdf2a4a82a5f4c58bef2743ce6dba808bf198f30f782b09ab892.exe
6032	aa1a0d144c6cbdf2a4a82a5f4c58bef2743ce6dba808bf198f30f782b09ab892.exe
6032	aa1a0d144c6cbdf2a4a82a5f4c58bef2743ce6dba808bf198f30f782b09ab892.exe
6032	aa1a0d144c6cbdf2a4a82a5f4c58bef2743ce6dba808bf198f30f782b09ab892.exe
6032	aa1a0d144c6cbdf2a4a82a5f4c58bef2743ce6dba808bf198f30f782b09ab892.exe
6032	aa1a0d144c6cbdf2a4a82a5f4c58bef2743ce6dba808bf198f30f782b09ab892.exe
6032	aa1a0d144c6cbdf2a4a82a5f4c58bef2743ce6dba808bf198f30f782b09ab892.exe
6032	aa1a0d144c6cbdf2a4a82a5f4c58bef2743ce6dba808bf198f30f782b09ab892.exe
6032	aa1a0d144c6cbdf2a4a82a5f4c58bef2743ce6dba808bf198f30f782b09ab892.exe
6032	aa1a0d144c6cbdf2a4a82a5f4c58bef2743ce6dba808bf198f30f782b09ab892.exe
6032	aa1a0d144c6cbdf2a4a82a5f4c58bef2743ce6dba808bf198f30f782b09ab892.exe
6032	aa1a0d144c6cbdf2a4a82a5f4c58bef2743ce6dba808bf198f30f782b09ab892.exe
6032	aa1a0d144c6cbdf2a4a82a5f4c58bef2743ce6dba808bf198f30f782b09ab892.exe
6032	aa1a0d144c6cbdf2a4a82a5f4c58bef2743ce6dba808bf198f30f782b09ab892.exe
6032	aa1a0d144c6cbdf2a4a82a5f4c58bef2743ce6dba808bf198f30f782b09ab892.exe
6032	aa1a0d144c6cbdf2a4a82a5f4c58bef2743ce6dba808bf198f30f782b09ab892.exe
6032	aa1a0d144c6cbdf2a4a82a5f4c58bef2743ce6dba808bf198f30f782b09ab892.exe
6032	aa1a0d144c6cbdf2a4a82a5f4c58bef2743ce6dba808bf198f30f782b09ab892.exe
6032	aa1a0d144c6cbdf2a4a82a5f4c58bef2743ce6dba808bf198f30f782b09ab892.exe
6032	aa1a0d144c6cbdf2a4a82a5f4c58bef2743ce6dba808bf198f30f782b09ab892.exe
6032	aa1a0d144c6cbdf2a4a82a5f4c58bef2743ce6dba808bf198f30f782b09ab892.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	6032	aa1a0d144c6cbdf2a4a82a5f4c58bef2743ce6dba808bf198f30f782b09ab892.exe
Token: SeDebugPrivilege	1816	avt3.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 6032 wrote to memory of 4948	6032	aa1a0d144c6cbdf2a4a82a5f4c58bef2743ce6dba808bf198f30f782b09ab892.exe	89
PID 6032 wrote to memory of 4512	6032	aa1a0d144c6cbdf2a4a82a5f4c58bef2743ce6dba808bf198f30f782b09ab892.exe	91
PID 4948 wrote to memory of 3580	4948	cmd.exe	93
PID 4512 wrote to memory of 4328	4512	cmd.exe	94
PID 4512 wrote to memory of 4128	4512	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\aa1a0d144c6cbdf2a4a82a5f4c58bef2743ce6dba808bf198f30f782b09ab892.exe
"C:\Users\Admin\AppData\Local\Temp\aa1a0d144c6cbdf2a4a82a5f4c58bef2743ce6dba808bf198f30f782b09ab892.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:6032
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "avt3" /tr '"C:\Users\Admin\AppData\Roaming\avt3.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4948
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "avt3" /tr '"C:\Users\Admin\AppData\Roaming\avt3.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3580
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp2EF6.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4512
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4328
- - C:\Users\Admin\AppData\Roaming\avt3.exe
    "C:\Users\Admin\AppData\Roaming\avt3.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4128

C:\Users\Admin\AppData\Roaming\avt3.exe
"C:\Users\Admin\AppData\Roaming\avt3.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1816

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

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

tmp2EF6.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp2EF6.tmp.bat
Size 148B
SHA256 f2690fe1cd547e229c9c6b4ff45098f4b6118d82a7780d652709572cfef7c561
MD5 9409d008d3122be39e16731739cafd1c
SHA1 cfc9088d12a39ea39cecf65cb43ea2fe1b1945e8
SHA512 c3f55d3bb25d7ca8744bb72917b247e2f77e18ec43723f8ff8fd1fe796fba2402f7ef81a075c26ea8fd4764b54dabd7184a6dedec2bbd715e18f3c9c68f84b70
TLSH
T1A3C08CA3A9C5AA2F2905246302BA948C91626C593E40BB00830442091280448E09A342
MD5 SHA1 SHA512 TLSH

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avt3.exe

Path C:\Users\Admin\AppData\Roaming\avt3.exe
Size 45KB
SHA256 aa1a0d144c6cbdf2a4a82a5f4c58bef2743ce6dba808bf198f30f782b09ab892
MD5 09dfbd0f7d0145e15fc170e89ed13073
SHA1 c90cd0d6c1fa4b2e41b4522847a42d4f8ebc56a4
SHA512 dc8821762ca7bf9188f994bf8540ae1f2021d8387a233aba986a7955d3643a640caccc79dee36fc2fec07622b4cf29729cad6b76cf22a46e76b25e313f33cb8f
SSDEEP 768:4uBfJTMUyYUWUWBDimo2qVvL5P02FUFdxYkk8PIkzjb+gX3iGLMGXYje+L3NBDZV:4uBfJTMpv2CLDmWBk3bBXSGLMGXYK+LD
TLSH
T1AC231B0037E9812BF2BE4F7869F26245467AF6732603D5891C8451DB5B23BC68A43AFD
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/1816-12-0x0000000074AC0000-0x000000007527C000-memory.dmp

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memory/1816-14-0x0000000074AC0000-0x000000007527C000-memory.dmp

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memory/6032-0-0x0000000074AD2000-0x0000000074AD3000-memory.dmp

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memory/6032-1-0x0000000000870000-0x0000000000882000-memory.dmp

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memory/6032-2-0x0000000074AC0000-0x000000007527C000-memory.dmp

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memory/6032-3-0x0000000005360000-0x00000000053FC000-memory.dmp

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memory/6032-9-0x0000000074AC0000-0x000000007527C000-memory.dmp

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