asyncrat | ef0ab97de9c8a156380af9255066d2def2da576348f76fa361a9b3c74a91b39f

Analysis

max time kernel
148s
max time network
147s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
16/08/2026, 10:57

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General

Target
ef0ab97de9c8a156380af9255066d2def2da576348f76fa361a9b3c74a91b39f.exe
Size 45KB
Sample260816-m2qgsshq3t
SHA256 ef0ab97de9c8a156380af9255066d2def2da576348f76fa361a9b3c74a91b39f
MD5 1f20d7d2edf97ee1a700d79401107fc2
SHA1 34d3f312c5a264c800b5b3e499659dc0cb47326c
SHA512 15c5ca09f4bae8b609266547916d724c480f8af45a3791f6e6971627c08276a7c4d80737d1045b970426a960abd6f75de61672d73049062c9722b1d538da684d
SSDEEP 768:gu61pTscmXLdWUpCSbmo2qrQBz3QKx7PIQdjbugX3ivqyzympRBDZNx:gu61pTsHXB2DV0Q1bRXSyslpvdNx
TLSH
T1A6230B003BE8812BF2BE4FB89DF25145867AF2636603D5496CC451DB5623FC6CA426FE
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

e.streamforester.name:80
e.streamforester.name:22
e.streamforester.name:8080
e.streamforester.name:8880
e.streamforester.name:2052
e.streamforester.name:2082
e.streamforester.name:2086
e.streamforester.name:2095
e.streamforester.name:443
e.streamforester.name:2053
e.streamforester.name:2083
e.streamforester.name:2087
e.streamforester.name:2096
e.streamforester.name:8443
www.e.streamforester.name:80
www.e.streamforester.name:22
www.e.streamforester.name:8080
www.e.streamforester.name:8880
www.e.streamforester.name:2052
www.e.streamforester.name:2082
www.e.streamforester.name:2086
www.e.streamforester.name:2095
www.e.streamforester.name:443
www.e.streamforester.name:2053
www.e.streamforester.name:2083
www.e.streamforester.name:2087
www.e.streamforester.name:2096
www.e.streamforester.name:8443
iloveyou.e.streamforester.name:80
iloveyou.e.streamforester.name:22
iloveyou.e.streamforester.name:8080
iloveyou.e.streamforester.name:8880
iloveyou.e.streamforester.name:2052
iloveyou.e.streamforester.name:2082
iloveyou.e.streamforester.name:2086
iloveyou.e.streamforester.name:2095
iloveyou.e.streamforester.name:443
iloveyou.e.streamforester.name:2053
iloveyou.e.streamforester.name:2083
iloveyou.e.streamforester.name:2087
iloveyou.e.streamforester.name:2096
iloveyou.e.streamforester.name:8443
blaster.e.streamforester.name:80
blaster.e.streamforester.name:22
blaster.e.streamforester.name:8080
blaster.e.streamforester.name:8880
blaster.e.streamforester.name:2052
blaster.e.streamforester.name:2082
blaster.e.streamforester.name:2086
blaster.e.streamforester.name:2095
blaster.e.streamforester.name:443
blaster.e.streamforester.name:2053
blaster.e.streamforester.name:2083
blaster.e.streamforester.name:2087
blaster.e.streamforester.name:2096
blaster.e.streamforester.name:8443
locky.e.streamforester.name:80
locky.e.streamforester.name:22
locky.e.streamforester.name:8080
locky.e.streamforester.name:8880
locky.e.streamforester.name:2052
locky.e.streamforester.name:2082
locky.e.streamforester.name:2086
locky.e.streamforester.name:2095
locky.e.streamforester.name:443
locky.e.streamforester.name:2053
locky.e.streamforester.name:2083
locky.e.streamforester.name:2087
locky.e.streamforester.name:2096
locky.e.streamforester.name:8443
industroyer.e.streamforester.name:80
industroyer.e.streamforester.name:22
industroyer.e.streamforester.name:8080
industroyer.e.streamforester.name:8880
industroyer.e.streamforester.name:2052
industroyer.e.streamforester.name:2082
industroyer.e.streamforester.name:2086
industroyer.e.streamforester.name:2095
industroyer.e.streamforester.name:443
industroyer.e.streamforester.name:2053
industroyer.e.streamforester.name:2083
industroyer.e.streamforester.name:2087
industroyer.e.streamforester.name:2096
industroyer.e.streamforester.name:8443

Mutex

NyHbdB1XQT0m

Attributes

delay
0
install
true
install_file
51jh9v7b.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/0x000c00000001c751-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
4996	51jh9v7b.exe
6188	51jh9v7b.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	5	172.67.70.147:22

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
3492	cmd.exe
2840	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	51jh9v7b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	51jh9v7b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ef0ab97de9c8a156380af9255066d2def2da576348f76fa361a9b3c74a91b39f.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
2808	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
2772	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2532	ef0ab97de9c8a156380af9255066d2def2da576348f76fa361a9b3c74a91b39f.exe
2532	ef0ab97de9c8a156380af9255066d2def2da576348f76fa361a9b3c74a91b39f.exe
2532	ef0ab97de9c8a156380af9255066d2def2da576348f76fa361a9b3c74a91b39f.exe
2532	ef0ab97de9c8a156380af9255066d2def2da576348f76fa361a9b3c74a91b39f.exe
2532	ef0ab97de9c8a156380af9255066d2def2da576348f76fa361a9b3c74a91b39f.exe
2532	ef0ab97de9c8a156380af9255066d2def2da576348f76fa361a9b3c74a91b39f.exe
2532	ef0ab97de9c8a156380af9255066d2def2da576348f76fa361a9b3c74a91b39f.exe
2532	ef0ab97de9c8a156380af9255066d2def2da576348f76fa361a9b3c74a91b39f.exe
2532	ef0ab97de9c8a156380af9255066d2def2da576348f76fa361a9b3c74a91b39f.exe
2532	ef0ab97de9c8a156380af9255066d2def2da576348f76fa361a9b3c74a91b39f.exe
2532	ef0ab97de9c8a156380af9255066d2def2da576348f76fa361a9b3c74a91b39f.exe
2532	ef0ab97de9c8a156380af9255066d2def2da576348f76fa361a9b3c74a91b39f.exe
2532	ef0ab97de9c8a156380af9255066d2def2da576348f76fa361a9b3c74a91b39f.exe
2532	ef0ab97de9c8a156380af9255066d2def2da576348f76fa361a9b3c74a91b39f.exe
2532	ef0ab97de9c8a156380af9255066d2def2da576348f76fa361a9b3c74a91b39f.exe
2532	ef0ab97de9c8a156380af9255066d2def2da576348f76fa361a9b3c74a91b39f.exe
2532	ef0ab97de9c8a156380af9255066d2def2da576348f76fa361a9b3c74a91b39f.exe
2532	ef0ab97de9c8a156380af9255066d2def2da576348f76fa361a9b3c74a91b39f.exe
2532	ef0ab97de9c8a156380af9255066d2def2da576348f76fa361a9b3c74a91b39f.exe
2532	ef0ab97de9c8a156380af9255066d2def2da576348f76fa361a9b3c74a91b39f.exe
2532	ef0ab97de9c8a156380af9255066d2def2da576348f76fa361a9b3c74a91b39f.exe
2532	ef0ab97de9c8a156380af9255066d2def2da576348f76fa361a9b3c74a91b39f.exe
2532	ef0ab97de9c8a156380af9255066d2def2da576348f76fa361a9b3c74a91b39f.exe
2532	ef0ab97de9c8a156380af9255066d2def2da576348f76fa361a9b3c74a91b39f.exe
2532	ef0ab97de9c8a156380af9255066d2def2da576348f76fa361a9b3c74a91b39f.exe
2532	ef0ab97de9c8a156380af9255066d2def2da576348f76fa361a9b3c74a91b39f.exe
2532	ef0ab97de9c8a156380af9255066d2def2da576348f76fa361a9b3c74a91b39f.exe
2532	ef0ab97de9c8a156380af9255066d2def2da576348f76fa361a9b3c74a91b39f.exe
2532	ef0ab97de9c8a156380af9255066d2def2da576348f76fa361a9b3c74a91b39f.exe
2532	ef0ab97de9c8a156380af9255066d2def2da576348f76fa361a9b3c74a91b39f.exe
2532	ef0ab97de9c8a156380af9255066d2def2da576348f76fa361a9b3c74a91b39f.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2532	ef0ab97de9c8a156380af9255066d2def2da576348f76fa361a9b3c74a91b39f.exe
Token: SeDebugPrivilege	4996	51jh9v7b.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2532 wrote to memory of 3492	2532	ef0ab97de9c8a156380af9255066d2def2da576348f76fa361a9b3c74a91b39f.exe	90
PID 2532 wrote to memory of 2840	2532	ef0ab97de9c8a156380af9255066d2def2da576348f76fa361a9b3c74a91b39f.exe	92
PID 3492 wrote to memory of 2772	3492	cmd.exe	94
PID 2840 wrote to memory of 2808	2840	cmd.exe	95
PID 2840 wrote to memory of 6188	2840	cmd.exe	98

C:\Users\Admin\AppData\Local\Temp\ef0ab97de9c8a156380af9255066d2def2da576348f76fa361a9b3c74a91b39f.exe
"C:\Users\Admin\AppData\Local\Temp\ef0ab97de9c8a156380af9255066d2def2da576348f76fa361a9b3c74a91b39f.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2532
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "51jh9v7b" /tr '"C:\Users\Admin\AppData\Roaming\51jh9v7b.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3492
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "51jh9v7b" /tr '"C:\Users\Admin\AppData\Roaming\51jh9v7b.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2772
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpAA50.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2840
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:2808
- - C:\Users\Admin\AppData\Roaming\51jh9v7b.exe
    "C:\Users\Admin\AppData\Roaming\51jh9v7b.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:6188

C:\Users\Admin\AppData\Roaming\51jh9v7b.exe
"C:\Users\Admin\AppData\Roaming\51jh9v7b.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4996

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k GPSvcGroup
1⤵
PID:1092

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

tmpAA50.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpAA50.tmp.bat
Size 152B
SHA256 763638428a78f9091afda3d1971d1c02635ce5e87056e2c8aaa9a27e8415dd49
MD5 6aa72cee177d8182b644e98bd38b3855
SHA1 4d513bd7001312d54ade99f3582d80060d17a474
SHA512 8ebd02d37a17bfe94ff0cd5087110a2539e78fc6b55a986cd7de44656dc1249e4b3a7eaefbfaceb39685f82e6142eb7394f10a4a0bb762cb5a86a5d8819a81ed
TLSH
T173C02B4296C5EA1E2907541302FFD8CDA1F36D5E3FC0BBA0C344540E128049CF0EA345
MD5 SHA1 SHA512 TLSH

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51jh9v7b.exe

Path C:\Users\Admin\AppData\Roaming\51jh9v7b.exe
Size 45KB
SHA256 ef0ab97de9c8a156380af9255066d2def2da576348f76fa361a9b3c74a91b39f
MD5 1f20d7d2edf97ee1a700d79401107fc2
SHA1 34d3f312c5a264c800b5b3e499659dc0cb47326c
SHA512 15c5ca09f4bae8b609266547916d724c480f8af45a3791f6e6971627c08276a7c4d80737d1045b970426a960abd6f75de61672d73049062c9722b1d538da684d
SSDEEP 768:gu61pTscmXLdWUpCSbmo2qrQBz3QKx7PIQdjbugX3ivqyzympRBDZNx:gu61pTsHXB2DV0Q1bRXSyslpvdNx
TLSH
T1A6230B003BE8812BF2BE4FB89DF25145867AF2636603D5496CC451DB5623FC6CA426FE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2532-0-0x0000000075032000-0x0000000075033000-memory.dmp

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memory/2532-1-0x0000000000010000-0x0000000000022000-memory.dmp

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memory/2532-2-0x0000000075020000-0x00000000757DC000-memory.dmp

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memory/2532-3-0x0000000004BD0000-0x0000000004C6C000-memory.dmp

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memory/2532-8-0x0000000075020000-0x00000000757DC000-memory.dmp

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memory/4996-12-0x0000000074852000-0x0000000074853000-memory.dmp

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