asyncrat | e5b838465187678ecd5392d4c7503ecf9f920c56cb2c537e46f2265aa6b9dc86

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
14/07/2026, 10:16

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General

Target
Hesap_Hareketleri14-07-2026_.js
Size 533KB
Sample260714-marksaax7l
SHA256 e5b838465187678ecd5392d4c7503ecf9f920c56cb2c537e46f2265aa6b9dc86
MD5 a4c9e8fcb341e16a15bb669b4668d07c
SHA1 677e4c2a9daf21ff97b680a7e547d84d4daa7cc4
SHA512 28f87fb5d2d83107137f3914144f8f08486924fd7ead556351106fdb340ea08e990e404a2aadc96c753401d37556ff01458a11813140a2575dfbb71f8943e3b5
SSDEEP 12288:hqqtpZiZ3Vdm1LKJQzQ8BX5Q5AxidKWYH8ybr+07LIAEii/QvZJ58:vgyLn8KX502isbhLIHiBS
TLSH
T1DEC4D0101FC07AA983F42F2B91AE25DEFAD30A8E60554CCBD791BE44E7A1702E573634
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

default defense_evasion discovery execution asyncrat rat suricata

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

ratsales.duckdns.org:6606
ratsales.duckdns.org:7707
ratsales.duckdns.org:8808

Mutex

V3cyXIlQHKxp

Attributes

delay
3
install
false
install_folder
%AppData%

aes.plain

Signatures

Family: AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat

Suricata alert: AsyncRAT Malware Default X.509 Certificate Detected - Inbound 2 IoCs

Network activity triggered a Suricata alert

suricata asyncrat

flow	pid	Process
16	2700	aspnet_compiler.exe
16	2700	aspnet_compiler.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
1056	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000\Control Panel\International\Geo\Nation	wscript.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1056 set thread context of 2700	1056	powershell.exe	97

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	aspnet_compiler.exe

Kills process with taskkill 1 IoCs

defense_evasion

pid	Process
3388	taskkill.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
1056	powershell.exe
1056	powershell.exe
1056	powershell.exe
1056	powershell.exe
1056	powershell.exe
1056	powershell.exe
1056	powershell.exe
1056	powershell.exe
1056	powershell.exe
1056	powershell.exe
1056	powershell.exe
1056	powershell.exe
1056	powershell.exe
1056	powershell.exe
1056	powershell.exe
1056	powershell.exe
1056	powershell.exe
1056	powershell.exe
1056	powershell.exe
1056	powershell.exe
1056	powershell.exe
1056	powershell.exe
1056	powershell.exe
1056	powershell.exe
1056	powershell.exe
1056	powershell.exe
1056	powershell.exe
1056	powershell.exe
1056	powershell.exe
1056	powershell.exe
1056	powershell.exe
1056	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1056	powershell.exe
Token: SeDebugPrivilege	2700	aspnet_compiler.exe
Token: SeDebugPrivilege	3388	taskkill.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4384 wrote to memory of 1056	4384	wscript.exe	86
PID 1056 wrote to memory of 2504	1056	powershell.exe	88
PID 1056 wrote to memory of 2736	1056	powershell.exe	89
PID 1056 wrote to memory of 4868	1056	powershell.exe	90
PID 1056 wrote to memory of 5036	1056	powershell.exe	91
PID 1056 wrote to memory of 692	1056	powershell.exe	92
PID 1056 wrote to memory of 2700	1056	powershell.exe	97
PID 1056 wrote to memory of 2700	1056	powershell.exe	97
PID 1056 wrote to memory of 2700	1056	powershell.exe	97
PID 1056 wrote to memory of 2700	1056	powershell.exe	97
PID 1056 wrote to memory of 2700	1056	powershell.exe	97
PID 4384 wrote to memory of 3388	4384	wscript.exe	106

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\Hesap_Hareketleri14-07-2026_.js
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4384
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -ExecutionPolicy Bypass -NoProfile -WindowStyle Hidden -File "C:\Temp\ps_wUqxHl57d02s_1784024163539.ps1"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1056
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:2504
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:2736
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:4868
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:5036
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:692
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    - Suricata alert: AsyncRAT Malware Default X.509 Certificate Detected - Inbound
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2700
- C:\Windows\System32\taskkill.exe
  "C:\Windows\System32\taskkill.exe" /f /im wscript.exe
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:3388

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

JavaScript

T1059.007

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

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

ps_wUqxHl57d02s_1784024163539.ps1

Path C:\Temp\ps_wUqxHl57d02s_1784024163539.ps1
Size 343KB
SHA256 9487b223b2abaf09d937683a04152b704f31a0c6d94d68f66c7c5c77761c413c
MD5 0ecb528646a8c5a72c2cee799b5f4cac
SHA1 29cbeb5826f09c59d195b2ee995708fd17ecbf1f
SHA512 9479ee78d9abf9b4268f91c878e965d8c0b00b71db6904e5c4d86a807706af4656bb51bd27fc53a16c26d6ccf4035295f03de2010f31e0d47bfbb150c94f2ec2
SSDEEP 6144:O56sLy1EwGe/YHop3jxGfn6d+5B8hTG/jLQVqAiOSd91W66vIF3x7f0QClAH:Y6QgVGf1why/j4wD6vITxClAH
TLSH
T15A7412350C5C588E0510866F7A77F941F2F46BC78C42A64233FD53E8BAA185DAEB38E5
MD5 SHA1 SHA512 SSDEEP TLSH

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__PSScriptPolicyTest_tigh4nab.rsg.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tigh4nab.rsg.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

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memory/1056-13-0x0000023E99B20000-0x0000023E99B30000-memory.dmp

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memory/1056-3-0x0000023EFFE40000-0x0000023EFFE62000-memory.dmp

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memory/1056-2-0x0000023E99B20000-0x0000023E99B30000-memory.dmp

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memory/1056-12-0x0000023E9C0F0000-0x0000023E9C108000-memory.dmp

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memory/1056-1-0x0000023E99B20000-0x0000023E99B30000-memory.dmp

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memory/1056-16-0x0000023E99B20000-0x0000023E99B30000-memory.dmp

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memory/1056-15-0x0000023E99B20000-0x0000023E99B30000-memory.dmp

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memory/1056-17-0x0000023E99B20000-0x0000023E99B30000-memory.dmp

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memory/1056-18-0x0000023E99B20000-0x0000023E99B30000-memory.dmp

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memory/2700-14-0x0000000000400000-0x0000000000412000-memory.dmp

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memory/2700-21-0x0000000005AD0000-0x0000000005B6C000-memory.dmp

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memory/2700-22-0x0000000006120000-0x00000000066C4000-memory.dmp

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memory/2700-23-0x0000000005BE0000-0x0000000005C46000-memory.dmp

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