General
- Target 3f219456535da01a324c8cad24aceef1b3d3d30d3dd1700e1090d2d24d5e4e37
- Size 45KB
- Sample260804-jv5rcsan41
- SHA256 3f219456535da01a324c8cad24aceef1b3d3d30d3dd1700e1090d2d24d5e4e37
- MD5 11d433e4eaa991ade048680f2acbdcab
- SHA1 4a5765205793733f1b263c62b6ddf05cf8f56b30
- SHA512 d3e0c65c63b4d5a07b56719120ba125a2acec48958c29c92471ef4c36aca4b4889232eff7a4f063d3505ef0eb15d58808451b6d2fa14d004ea968938bbcf90e9
- SSDEEP 768:8uUIpT4vvofWWUEXb+Imo2q4D9wScq/z1OPIszjbtgg3i+EEiPkNpMhMfpBDZ0x:8uUIpT4vAj2Hi9K3s3b6gS++PkNpMh+U
- TLSH T1292319003BE8C12BF2BE4F7899F26145867AF2633603D54A1CC452D75713BC69A526FE
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
3f219456535da01a324c8cad24aceef1b3d3d30d3dd1700e1090d2d24d5e4e37.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
3f219456535da01a324c8cad24aceef1b3d3d30d3dd1700e1090d2d24d5e4e37.exe
Resource
win11ltsc2024-20260709-en
Malware Config
Extracted
-
asyncrat
-
0.5.8
-
Default
-
fimsexvietnam.com:80
-
fimsexvietnam.com:22
-
fimsexvietnam.com:8080
-
fimsexvietnam.com:8880
-
fimsexvietnam.com:2052
-
fimsexvietnam.com:2082
-
fimsexvietnam.com:2086
-
fimsexvietnam.com:2095
-
fimsexvietnam.com:443
-
fimsexvietnam.com:2053
-
fimsexvietnam.com:2083
-
fimsexvietnam.com:2087
-
fimsexvietnam.com:2096
-
fimsexvietnam.com:8443
-
www.fimsexvietnam.com:80
-
www.fimsexvietnam.com:22
-
www.fimsexvietnam.com:8080
-
www.fimsexvietnam.com:8880
-
www.fimsexvietnam.com:2052
-
www.fimsexvietnam.com:2082
-
www.fimsexvietnam.com:2086
-
www.fimsexvietnam.com:2095
-
www.fimsexvietnam.com:443
-
www.fimsexvietnam.com:2053
-
www.fimsexvietnam.com:2083
-
www.fimsexvietnam.com:2087
-
www.fimsexvietnam.com:2096
-
www.fimsexvietnam.com:8443
-
locky.fimsexvietnam.com:80
-
locky.fimsexvietnam.com:22
-
locky.fimsexvietnam.com:8080
-
locky.fimsexvietnam.com:8880
-
locky.fimsexvietnam.com:2052
-
locky.fimsexvietnam.com:2082
-
locky.fimsexvietnam.com:2086
-
locky.fimsexvietnam.com:2095
-
locky.fimsexvietnam.com:443
-
locky.fimsexvietnam.com:2053
-
locky.fimsexvietnam.com:2083
-
locky.fimsexvietnam.com:2087
-
locky.fimsexvietnam.com:2096
-
locky.fimsexvietnam.com:8443
-
malware.fimsexvietnam.com:80
-
malware.fimsexvietnam.com:22
-
malware.fimsexvietnam.com:8080
-
malware.fimsexvietnam.com:8880
-
malware.fimsexvietnam.com:2052
-
malware.fimsexvietnam.com:2082
-
malware.fimsexvietnam.com:2086
-
malware.fimsexvietnam.com:2095
-
malware.fimsexvietnam.com:443
-
malware.fimsexvietnam.com:2053
-
malware.fimsexvietnam.com:2083
-
malware.fimsexvietnam.com:2087
-
malware.fimsexvietnam.com:2096
-
malware.fimsexvietnam.com:8443
-
ryuk.fimsexvietnam.com:80
-
ryuk.fimsexvietnam.com:22
-
ryuk.fimsexvietnam.com:8080
-
ryuk.fimsexvietnam.com:8880
-
ryuk.fimsexvietnam.com:2052
-
ryuk.fimsexvietnam.com:2082
-
ryuk.fimsexvietnam.com:2086
-
ryuk.fimsexvietnam.com:2095
-
ryuk.fimsexvietnam.com:443
-
ryuk.fimsexvietnam.com:2053
-
ryuk.fimsexvietnam.com:2083
-
ryuk.fimsexvietnam.com:2087
-
ryuk.fimsexvietnam.com:2096
-
ryuk.fimsexvietnam.com:8443
-
JVMOfArYAw0r
-
delay
0
-
install
true
-
install_file
wio0byk.exe
-
install_folder
%AppData%
Targets
-
- Target 3f219456535da01a324c8cad24aceef1b3d3d30d3dd1700e1090d2d24d5e4e37
- Size 45KB
- SHA256 3f219456535da01a324c8cad24aceef1b3d3d30d3dd1700e1090d2d24d5e4e37
- MD5 11d433e4eaa991ade048680f2acbdcab
- SHA1 4a5765205793733f1b263c62b6ddf05cf8f56b30
- SHA512 d3e0c65c63b4d5a07b56719120ba125a2acec48958c29c92471ef4c36aca4b4889232eff7a4f063d3505ef0eb15d58808451b6d2fa14d004ea968938bbcf90e9
- SSDEEP 768:8uUIpT4vvofWWUEXb+Imo2q4D9wScq/z1OPIszjbtgg3i+EEiPkNpMhMfpBDZ0x:8uUIpT4vAj2Hi9K3s3b6gS++PkNpMh+U
- TLSH T1292319003BE8C12BF2BE4F7899F26145867AF2633603D54A1CC452D75713BC69A526FE
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Async RAT payload
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Executes dropped EXE
-
Outbound SSH connection to public host
SSH is used for remote access. This may indicate SSH host discovery, encrypted C2 traffic, or data exfiltration.
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1