asyncrat | 938a9136aa1f128c6462899bac6ab7a6a7cfd3a1bcc79fb38bfb207032d8515b

Analysis

max time kernel
150s
max time network
133s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
20/07/2026, 00:57

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General

Target
938a9136aa1f128c6462899bac6ab7a6a7cfd3a1bcc79fb38bfb207032d8515b.exe
Size 760KB
Sample260720-bbcbpsax6q
SHA256 938a9136aa1f128c6462899bac6ab7a6a7cfd3a1bcc79fb38bfb207032d8515b
MD5 81961b2997cdf859ab8b96c3dd0afb07
SHA1 d9572b10599730d1c7b68f510258037f70c0cd36
SHA512 90809e064f4c22b479eda04eeb91b5e2fb565652e1caf93fba8bc1ad3b8c989c8fd66092c37001c23b2f89e7e1b0ab4b2d8c236c75df85f7d15dd506507fc804
SSDEEP 12288:vbXlJdb3Xj4hUmmIW0IoFlaG9+7dQrIuPUjY61OaXoaYZdoF094dxODtJNV9Yj8Z:jX6XmT0I8laG9KiIuMj/1RbYZWF0ydxM
TLSH
T196F412485647E103C915273A4EA2F27C16B9AFE87803D227A7DD7EAFB973B158D40183
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

default discovery asyncrat rat

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 920 set thread context of 3688	920	938a9136aa1f128c6462899bac6ab7a6a7cfd3a1bcc79fb38bfb207032d8515b.exe	90

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	938a9136aa1f128c6462899bac6ab7a6a7cfd3a1bcc79fb38bfb207032d8515b.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
920	938a9136aa1f128c6462899bac6ab7a6a7cfd3a1bcc79fb38bfb207032d8515b.exe
920	938a9136aa1f128c6462899bac6ab7a6a7cfd3a1bcc79fb38bfb207032d8515b.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	920	938a9136aa1f128c6462899bac6ab7a6a7cfd3a1bcc79fb38bfb207032d8515b.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 920 wrote to memory of 2448	920	938a9136aa1f128c6462899bac6ab7a6a7cfd3a1bcc79fb38bfb207032d8515b.exe	89
PID 920 wrote to memory of 3688	920	938a9136aa1f128c6462899bac6ab7a6a7cfd3a1bcc79fb38bfb207032d8515b.exe	90
PID 920 wrote to memory of 3688	920	938a9136aa1f128c6462899bac6ab7a6a7cfd3a1bcc79fb38bfb207032d8515b.exe	90
PID 920 wrote to memory of 3688	920	938a9136aa1f128c6462899bac6ab7a6a7cfd3a1bcc79fb38bfb207032d8515b.exe	90
PID 920 wrote to memory of 3688	920	938a9136aa1f128c6462899bac6ab7a6a7cfd3a1bcc79fb38bfb207032d8515b.exe	90
PID 920 wrote to memory of 3688	920	938a9136aa1f128c6462899bac6ab7a6a7cfd3a1bcc79fb38bfb207032d8515b.exe	90

C:\Users\Admin\AppData\Local\Temp\938a9136aa1f128c6462899bac6ab7a6a7cfd3a1bcc79fb38bfb207032d8515b.exe
"C:\Users\Admin\AppData\Local\Temp\938a9136aa1f128c6462899bac6ab7a6a7cfd3a1bcc79fb38bfb207032d8515b.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:920
- C:\Users\Admin\AppData\Local\Temp\938a9136aa1f128c6462899bac6ab7a6a7cfd3a1bcc79fb38bfb207032d8515b.exe
  "C:\Users\Admin\AppData\Local\Temp\938a9136aa1f128c6462899bac6ab7a6a7cfd3a1bcc79fb38bfb207032d8515b.exe"
  2⤵
  PID:2448
- C:\Users\Admin\AppData\Local\Temp\938a9136aa1f128c6462899bac6ab7a6a7cfd3a1bcc79fb38bfb207032d8515b.exe
  "C:\Users\Admin\AppData\Local\Temp\938a9136aa1f128c6462899bac6ab7a6a7cfd3a1bcc79fb38bfb207032d8515b.exe"
  2⤵
  PID:3688

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

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

memory/920-6-0x0000000005620000-0x0000000005634000-memory.dmp

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memory/920-1-0x0000000000870000-0x0000000000934000-memory.dmp

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memory/920-2-0x0000000005AB0000-0x000000000606A000-memory.dmp

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memory/920-3-0x0000000005310000-0x00000000053A2000-memory.dmp

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memory/920-4-0x00000000053C0000-0x00000000053CA000-memory.dmp

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memory/920-5-0x00000000750A0000-0x000000007585C000-memory.dmp

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memory/920-0-0x00000000750B2000-0x00000000750B3000-memory.dmp

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memory/920-7-0x00000000750B2000-0x00000000750B3000-memory.dmp

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memory/920-8-0x00000000750A0000-0x000000007585C000-memory.dmp

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memory/920-9-0x0000000005820000-0x00000000058BC000-memory.dmp

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memory/920-10-0x00000000059C0000-0x0000000005A68000-memory.dmp

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memory/920-13-0x00000000750A0000-0x000000007585C000-memory.dmp

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memory/3688-11-0x0000000000400000-0x0000000000412000-memory.dmp

Download