asyncrat | bf14450bd87cc097104738471d1d8e9afd6e24d3e1f3d6028f19365cc285e415

Analysis

max time kernel
148s
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
03/08/2026, 13:48

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General

Target
bf14450bd87cc097104738471d1d8e9afd6e24d3e1f3d6028f19365cc285e415.exe
Size 45KB
Sample260803-q4fl6a1cnd
SHA256 bf14450bd87cc097104738471d1d8e9afd6e24d3e1f3d6028f19365cc285e415
MD5 8b6b03327bb99d205a2352bb947f83af
SHA1 48458c50ce7efd9f6b6c9248a8c97b4b64fa3c12
SHA512 ec64158a22b04b93ae2a71998b4422648e08b430c3e530edd6b9f16ec35384ad2a811403eacd1bb6bb29896bbb6673e4db8ce487f3136c46e7b3a846e7c9e9e5
SSDEEP 768:wuDWZTpw7bmaWUg3gSk0mo2qlzfBohEa+PIvCjbjgX3iCBa5ykOaBDZMx:wuDWZTpMZSB2S4EaHvOb8XSCBa5ykJdO
TLSH
T100232B003BE9822BF2BE4F7899F25145867AF1A33603D54E1CC452DB5713FC69A426FA
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

viet69i.com:80
viet69i.com:22
viet69i.com:8080
viet69i.com:8880
viet69i.com:2052
viet69i.com:2082
viet69i.com:2086
viet69i.com:2095
viet69i.com:443
viet69i.com:2053
viet69i.com:2083
viet69i.com:2087
viet69i.com:2096
viet69i.com:8443
www.viet69i.com:80
www.viet69i.com:22
www.viet69i.com:8080
www.viet69i.com:8880
www.viet69i.com:2052
www.viet69i.com:2082
www.viet69i.com:2086
www.viet69i.com:2095
www.viet69i.com:443
www.viet69i.com:2053
www.viet69i.com:2083
www.viet69i.com:2087
www.viet69i.com:2096
www.viet69i.com:8443
shamoon.viet69i.com:80
shamoon.viet69i.com:22
shamoon.viet69i.com:8080
shamoon.viet69i.com:8880
shamoon.viet69i.com:2052
shamoon.viet69i.com:2082
shamoon.viet69i.com:2086
shamoon.viet69i.com:2095
shamoon.viet69i.com:443
shamoon.viet69i.com:2053
shamoon.viet69i.com:2083
shamoon.viet69i.com:2087
shamoon.viet69i.com:2096
shamoon.viet69i.com:8443
malware.viet69i.com:80
malware.viet69i.com:22
malware.viet69i.com:8080
malware.viet69i.com:8880
malware.viet69i.com:2052
malware.viet69i.com:2082
malware.viet69i.com:2086
malware.viet69i.com:2095
malware.viet69i.com:443
malware.viet69i.com:2053
malware.viet69i.com:2083
malware.viet69i.com:2087
malware.viet69i.com:2096
malware.viet69i.com:8443

Mutex

CptFZbutVHhL

Attributes

delay
0
install
true
install_file
6eu58.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/0x00090000000167e7-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
2668	6eu58.exe
3336	6eu58.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	13	104.21.68.161:22

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
1108	cmd.exe
2676	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	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6eu58.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6eu58.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bf14450bd87cc097104738471d1d8e9afd6e24d3e1f3d6028f19365cc285e415.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
1964	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
1420	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
1728	bf14450bd87cc097104738471d1d8e9afd6e24d3e1f3d6028f19365cc285e415.exe
1728	bf14450bd87cc097104738471d1d8e9afd6e24d3e1f3d6028f19365cc285e415.exe
1728	bf14450bd87cc097104738471d1d8e9afd6e24d3e1f3d6028f19365cc285e415.exe
1728	bf14450bd87cc097104738471d1d8e9afd6e24d3e1f3d6028f19365cc285e415.exe
1728	bf14450bd87cc097104738471d1d8e9afd6e24d3e1f3d6028f19365cc285e415.exe
1728	bf14450bd87cc097104738471d1d8e9afd6e24d3e1f3d6028f19365cc285e415.exe
1728	bf14450bd87cc097104738471d1d8e9afd6e24d3e1f3d6028f19365cc285e415.exe
1728	bf14450bd87cc097104738471d1d8e9afd6e24d3e1f3d6028f19365cc285e415.exe
1728	bf14450bd87cc097104738471d1d8e9afd6e24d3e1f3d6028f19365cc285e415.exe
1728	bf14450bd87cc097104738471d1d8e9afd6e24d3e1f3d6028f19365cc285e415.exe
1728	bf14450bd87cc097104738471d1d8e9afd6e24d3e1f3d6028f19365cc285e415.exe
1728	bf14450bd87cc097104738471d1d8e9afd6e24d3e1f3d6028f19365cc285e415.exe
1728	bf14450bd87cc097104738471d1d8e9afd6e24d3e1f3d6028f19365cc285e415.exe
1728	bf14450bd87cc097104738471d1d8e9afd6e24d3e1f3d6028f19365cc285e415.exe
1728	bf14450bd87cc097104738471d1d8e9afd6e24d3e1f3d6028f19365cc285e415.exe
1728	bf14450bd87cc097104738471d1d8e9afd6e24d3e1f3d6028f19365cc285e415.exe
1728	bf14450bd87cc097104738471d1d8e9afd6e24d3e1f3d6028f19365cc285e415.exe
1728	bf14450bd87cc097104738471d1d8e9afd6e24d3e1f3d6028f19365cc285e415.exe
1728	bf14450bd87cc097104738471d1d8e9afd6e24d3e1f3d6028f19365cc285e415.exe
1728	bf14450bd87cc097104738471d1d8e9afd6e24d3e1f3d6028f19365cc285e415.exe
1728	bf14450bd87cc097104738471d1d8e9afd6e24d3e1f3d6028f19365cc285e415.exe
1728	bf14450bd87cc097104738471d1d8e9afd6e24d3e1f3d6028f19365cc285e415.exe
1728	bf14450bd87cc097104738471d1d8e9afd6e24d3e1f3d6028f19365cc285e415.exe
1728	bf14450bd87cc097104738471d1d8e9afd6e24d3e1f3d6028f19365cc285e415.exe
1728	bf14450bd87cc097104738471d1d8e9afd6e24d3e1f3d6028f19365cc285e415.exe
1728	bf14450bd87cc097104738471d1d8e9afd6e24d3e1f3d6028f19365cc285e415.exe
1728	bf14450bd87cc097104738471d1d8e9afd6e24d3e1f3d6028f19365cc285e415.exe
1728	bf14450bd87cc097104738471d1d8e9afd6e24d3e1f3d6028f19365cc285e415.exe
1728	bf14450bd87cc097104738471d1d8e9afd6e24d3e1f3d6028f19365cc285e415.exe
1728	bf14450bd87cc097104738471d1d8e9afd6e24d3e1f3d6028f19365cc285e415.exe
1728	bf14450bd87cc097104738471d1d8e9afd6e24d3e1f3d6028f19365cc285e415.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1728	bf14450bd87cc097104738471d1d8e9afd6e24d3e1f3d6028f19365cc285e415.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1728 wrote to memory of 1108	1728	bf14450bd87cc097104738471d1d8e9afd6e24d3e1f3d6028f19365cc285e415.exe	89
PID 1728 wrote to memory of 2676	1728	bf14450bd87cc097104738471d1d8e9afd6e24d3e1f3d6028f19365cc285e415.exe	90
PID 1108 wrote to memory of 1420	1108	cmd.exe	93
PID 2676 wrote to memory of 1964	2676	cmd.exe	94
PID 2676 wrote to memory of 3336	2676	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\bf14450bd87cc097104738471d1d8e9afd6e24d3e1f3d6028f19365cc285e415.exe
"C:\Users\Admin\AppData\Local\Temp\bf14450bd87cc097104738471d1d8e9afd6e24d3e1f3d6028f19365cc285e415.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1728
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "6eu58" /tr '"C:\Users\Admin\AppData\Roaming\6eu58.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1108
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "6eu58" /tr '"C:\Users\Admin\AppData\Roaming\6eu58.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1420
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp6D27.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2676
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:1964
- - C:\Users\Admin\AppData\Roaming\6eu58.exe
    "C:\Users\Admin\AppData\Roaming\6eu58.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3336

C:\Users\Admin\AppData\Roaming\6eu58.exe
"C:\Users\Admin\AppData\Roaming\6eu58.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2668

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

tmp6D27.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp6D27.tmp.bat
Size 149B
SHA256 6c7bf5df91e5f2e27cca8e34d7c3a94b7ec6ca1e105ae54f605ca15c0642e6f6
MD5 9953aab0eb6f478249848909cb49d050
SHA1 766a17b68f975a8b0114b53ca6b3d781590e5320
SHA512 fd0fcbef142c42618061edd162ae90f552fea3ae19e26a5250021f71140947dac217099306ba373dfedd31db2d0d7c74ecf110adf5e74b521f73cb264ea54ffb
TLSH
T18AC02B5252C5EA8E3C05242302FFD6DC93766C593F48BB00D30C454E228048CF0E9345
MD5 SHA1 SHA512 TLSH

Submit Download

6eu58.exe

Path C:\Users\Admin\AppData\Roaming\6eu58.exe
Size 45KB
SHA256 bf14450bd87cc097104738471d1d8e9afd6e24d3e1f3d6028f19365cc285e415
MD5 8b6b03327bb99d205a2352bb947f83af
SHA1 48458c50ce7efd9f6b6c9248a8c97b4b64fa3c12
SHA512 ec64158a22b04b93ae2a71998b4422648e08b430c3e530edd6b9f16ec35384ad2a811403eacd1bb6bb29896bbb6673e4db8ce487f3136c46e7b3a846e7c9e9e5
SSDEEP 768:wuDWZTpw7bmaWUg3gSk0mo2qlzfBohEa+PIvCjbjgX3iCBa5ykOaBDZMx:wuDWZTpMZSB2S4EaHvOb8XSCBa5ykJdO
TLSH
T100232B003BE9822BF2BE4F7899F25145867AF1A33603D54E1CC452DB5713FC69A426FA
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/1728-0-0x0000000074A22000-0x0000000074A23000-memory.dmp

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memory/1728-1-0x0000000000510000-0x0000000000522000-memory.dmp

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memory/1728-2-0x0000000074A10000-0x00000000751CC000-memory.dmp

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memory/1728-3-0x00000000050A0000-0x000000000513C000-memory.dmp

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memory/1728-9-0x0000000074A10000-0x00000000751CC000-memory.dmp

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memory/2668-12-0x0000000074A10000-0x00000000751CC000-memory.dmp

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memory/2668-14-0x0000000074A10000-0x00000000751CC000-memory.dmp

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