General
- Target 963145092c995c49149d2c734f280bf2741a7bab9f4ad21da72e94c79ac61349
- Size 45KB
- Sample260907-sj53esbr5v
- SHA256 963145092c995c49149d2c734f280bf2741a7bab9f4ad21da72e94c79ac61349
- MD5 9200155f53113d05542b08bf7a6f98fe
- SHA1 95e84d917c2d50e4b029f4ddd575c60aee991354
- SHA512 6c92b45f34832473a848706d66f767fc1339cb2fb8de43510b150692e341efdfca90ab59b6120319c6f5049d2b4dc18ab7f675fe468b2f4fe6dcaae7bc2c273a
- SSDEEP 768:cu7m/5THrq+CWUoDuMmo2qFFeeXKSocbbbQtN8/nPI6kzjbggX3ixoIHwrJOBtek:cu7e5TH2A2deH2tNKA6k3bHXSXQO7SdW
- TLSH T156232A003BD8C12BF2BE4F7899F262458A7AF6633603D94A1CC451DB4613FC59A42AFD
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
963145092c995c49149d2c734f280bf2741a7bab9f4ad21da72e94c79ac61349.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
963145092c995c49149d2c734f280bf2741a7bab9f4ad21da72e94c79ac61349.exe
Resource
win11ltsc2024-20260709-en
Malware Config
Extracted
-
asyncrat
-
0.5.8
-
Default
-
javsub.blog:80
-
javsub.blog:22
-
javsub.blog:8080
-
javsub.blog:8880
-
javsub.blog:2052
-
javsub.blog:2082
-
javsub.blog:2086
-
javsub.blog:2095
-
javsub.blog:443
-
javsub.blog:2053
-
javsub.blog:2083
-
javsub.blog:2087
-
javsub.blog:2096
-
javsub.blog:8443
-
www.javsub.blog:80
-
www.javsub.blog:22
-
www.javsub.blog:8080
-
www.javsub.blog:8880
-
www.javsub.blog:2052
-
www.javsub.blog:2082
-
www.javsub.blog:2086
-
www.javsub.blog:2095
-
www.javsub.blog:443
-
www.javsub.blog:2053
-
www.javsub.blog:2083
-
www.javsub.blog:2087
-
www.javsub.blog:2096
-
www.javsub.blog:8443
-
remcos.javsub.blog:80
-
remcos.javsub.blog:22
-
remcos.javsub.blog:8080
-
remcos.javsub.blog:8880
-
remcos.javsub.blog:2052
-
remcos.javsub.blog:2082
-
remcos.javsub.blog:2086
-
remcos.javsub.blog:2095
-
remcos.javsub.blog:443
-
remcos.javsub.blog:2053
-
remcos.javsub.blog:2083
-
remcos.javsub.blog:2087
-
remcos.javsub.blog:2096
-
remcos.javsub.blog:8443
-
malware.javsub.blog:80
-
malware.javsub.blog:22
-
malware.javsub.blog:8080
-
malware.javsub.blog:8880
-
malware.javsub.blog:2052
-
malware.javsub.blog:2082
-
malware.javsub.blog:2086
-
malware.javsub.blog:2095
-
malware.javsub.blog:443
-
malware.javsub.blog:2053
-
malware.javsub.blog:2083
-
malware.javsub.blog:2087
-
malware.javsub.blog:2096
-
malware.javsub.blog:8443
-
ryuk.javsub.blog:80
-
ryuk.javsub.blog:22
-
ryuk.javsub.blog:8080
-
ryuk.javsub.blog:8880
-
ryuk.javsub.blog:2052
-
ryuk.javsub.blog:2082
-
ryuk.javsub.blog:2086
-
ryuk.javsub.blog:2095
-
ryuk.javsub.blog:443
-
ryuk.javsub.blog:2053
-
ryuk.javsub.blog:2083
-
ryuk.javsub.blog:2087
-
ryuk.javsub.blog:2096
-
ryuk.javsub.blog:8443
-
prvBK8IAgjZU
-
delay
0
-
install
true
-
install_file
k4efx.exe
-
install_folder
%AppData%
Targets
-
- Target 963145092c995c49149d2c734f280bf2741a7bab9f4ad21da72e94c79ac61349
- Size 45KB
- SHA256 963145092c995c49149d2c734f280bf2741a7bab9f4ad21da72e94c79ac61349
- MD5 9200155f53113d05542b08bf7a6f98fe
- SHA1 95e84d917c2d50e4b029f4ddd575c60aee991354
- SHA512 6c92b45f34832473a848706d66f767fc1339cb2fb8de43510b150692e341efdfca90ab59b6120319c6f5049d2b4dc18ab7f675fe468b2f4fe6dcaae7bc2c273a
- SSDEEP 768:cu7m/5THrq+CWUoDuMmo2qFFeeXKSocbbbQtN8/nPI6kzjbggX3ixoIHwrJOBtek:cu7e5TH2A2deH2tNKA6k3bHXSXQO7SdW
- TLSH T156232A003BD8C12BF2BE4F7899F262458A7AF6633603D94A1CC451DB4613FC59A42AFD
- 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