asyncrat | e2ac5e95c9ce4d778f45e23d3744baa9f75ef5156fa0a9d9a041cafec05ba948

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
16/08/2026, 09:47

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General

Target
e2ac5e95c9ce4d778f45e23d3744baa9f75ef5156fa0a9d9a041cafec05ba948.exe
Size 45KB
Sample260816-lsajjsvvax
SHA256 e2ac5e95c9ce4d778f45e23d3744baa9f75ef5156fa0a9d9a041cafec05ba948
MD5 406b7ad0ef244fda4acbf530735a4cba
SHA1 a02faaf57a576787b4ff0ec08766417e4a8c2501
SHA512 7016fb94230192d484ff4fccb035c65ea11c6e63c6f71332aa0568a1f006e4b5bc2734e46f08b95f189e62dd99b4a12413fa171deca442765a6a1b702e422656
SSDEEP 768:QulCJTHESwgWUK3aGmo2q9BGFZQjB4PIFfzjbogX3inhGBq1+D4qhLvqIBDZgx:QulCJTHl42FqF9Ff3b/XSnsM1+DbDdgx
TLSH
T1A723F9003BE8C22BF2BE4F7899F26145467AF6733603D5491CC452DB5623FC69A426EE
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

streamforester.name:80
streamforester.name:22
streamforester.name:8080
streamforester.name:8880
streamforester.name:2052
streamforester.name:2082
streamforester.name:2086
streamforester.name:2095
streamforester.name:443
streamforester.name:2053
streamforester.name:2083
streamforester.name:2087
streamforester.name:2096
streamforester.name:8443
www.streamforester.name:80
www.streamforester.name:22
www.streamforester.name:8080
www.streamforester.name:8880
www.streamforester.name:2052
www.streamforester.name:2082
www.streamforester.name:2086
www.streamforester.name:2095
www.streamforester.name:443
www.streamforester.name:2053
www.streamforester.name:2083
www.streamforester.name:2087
www.streamforester.name:2096
www.streamforester.name:8443
qakbot.streamforester.name:80
qakbot.streamforester.name:22
qakbot.streamforester.name:8080
qakbot.streamforester.name:8880
qakbot.streamforester.name:2052
qakbot.streamforester.name:2082
qakbot.streamforester.name:2086
qakbot.streamforester.name:2095
qakbot.streamforester.name:443
qakbot.streamforester.name:2053
qakbot.streamforester.name:2083
qakbot.streamforester.name:2087
qakbot.streamforester.name:2096
qakbot.streamforester.name:8443
lokibot.streamforester.name:80
lokibot.streamforester.name:22
lokibot.streamforester.name:8080
lokibot.streamforester.name:8880
lokibot.streamforester.name:2052
lokibot.streamforester.name:2082
lokibot.streamforester.name:2086
lokibot.streamforester.name:2095
lokibot.streamforester.name:443
lokibot.streamforester.name:2053
lokibot.streamforester.name:2083
lokibot.streamforester.name:2087
lokibot.streamforester.name:2096
lokibot.streamforester.name:8443

Mutex

QSPrHS2WJCHx

Attributes

delay
0
install
true
install_file
be91mv.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/0x0005000000016b3f-10.dat	family_asyncrat

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
3820	cmd.exe
3520	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	e2ac5e95c9ce4d778f45e23d3744baa9f75ef5156fa0a9d9a041cafec05ba948.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
4884	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
4932	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\e2ac5e95c9ce4d778f45e23d3744baa9f75ef5156fa0a9d9a041cafec05ba948.exe
"C:\Users\Admin\AppData\Local\Temp\e2ac5e95c9ce4d778f45e23d3744baa9f75ef5156fa0a9d9a041cafec05ba948.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:2760
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "be91mv" /tr '"C:\Users\Admin\AppData\Roaming\be91mv.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  PID:3820
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "be91mv" /tr '"C:\Users\Admin\AppData\Roaming\be91mv.exe"'
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:4932
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpDE1.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  PID:3520
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:4884
- - C:\Users\Admin\AppData\Roaming\be91mv.exe
    "C:\Users\Admin\AppData\Roaming\be91mv.exe"
    3⤵
    PID:2108

C:\Users\Admin\AppData\Roaming\be91mv.exe
"C:\Users\Admin\AppData\Roaming\be91mv.exe"
1⤵
PID:5824

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 Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

tmpDE1.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpDE1.tmp.bat
Size 149B
SHA256 7e8274ca656fdc4b20fcab50b35889ebb5aea9d40761e71c8f33bf059d9cc6d8
MD5 d1b2617ae64d4958eb9e32e1f178bf51
SHA1 6928fe6fe8b5a209b08bec299d67db0c8e735045
SHA512 ffe2101f851ef446694e82b340bcb2b11adcdcdda7e36ed438d6686a5be8afcb32e7d2e184ff1ffc83071999d4eaca7f53dae4f4846b7d372897efb172da9642
TLSH
T1B1C08C97A2C5AA2E2809146302BA958C9162A86D3E40AF208348480A6280858E09938A
MD5 SHA1 SHA512 TLSH

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be91mv.exe

Path C:\Users\Admin\AppData\Roaming\be91mv.exe
Size 45KB
SHA256 e2ac5e95c9ce4d778f45e23d3744baa9f75ef5156fa0a9d9a041cafec05ba948
MD5 406b7ad0ef244fda4acbf530735a4cba
SHA1 a02faaf57a576787b4ff0ec08766417e4a8c2501
SHA512 7016fb94230192d484ff4fccb035c65ea11c6e63c6f71332aa0568a1f006e4b5bc2734e46f08b95f189e62dd99b4a12413fa171deca442765a6a1b702e422656
SSDEEP 768:QulCJTHESwgWUK3aGmo2q9BGFZQjB4PIFfzjbogX3inhGBq1+D4qhLvqIBDZgx:QulCJTHl42FqF9Ff3b/XSnsM1+DbDdgx
TLSH
T1A723F9003BE8C22BF2BE4F7899F26145467AF6733603D5491CC452DB5623FC69A426EE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2760-0-0x0000000074682000-0x0000000074683000-memory.dmp

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memory/2760-1-0x00000000008C0000-0x00000000008D2000-memory.dmp

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memory/2760-2-0x0000000074670000-0x0000000074E2C000-memory.dmp

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memory/2760-3-0x00000000053B0000-0x000000000544C000-memory.dmp

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memory/2760-8-0x0000000074670000-0x0000000074E2C000-memory.dmp

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memory/5824-12-0x0000000074500000-0x0000000074CBC000-memory.dmp

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memory/5824-14-0x0000000074500000-0x0000000074CBC000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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