General
- Target f7f50763181399446e49ea65913a373092f9757e686be86e1a5d085361b065ce
- Size 45KB
- Sample260803-kylnbsfa86
- SHA256 f7f50763181399446e49ea65913a373092f9757e686be86e1a5d085361b065ce
- MD5 8f1be48ca2b1bf4fcf3e05e3ee64b8cc
- SHA1 b3eb57bb9e0bda22ffa5bbfba6f866a90ba631fe
- SHA512 db852f60a065a54f10aac9f4d2ebd614acb4168b514103d8ab9b2e03a9cfca64177fe61c5e63fc481cd378546ae0b19dd6a773a3f7e7ac47392a9ca25e9dfd93
- SSDEEP 768:ku40ZTX3uXTaWUgzW0mo2qwe9xY6aZOOPIrzjbXgE3ieot4ackN5J7GrTBDZMx:ku40ZTXEb2Ss/O3r3bwESXfcUu1dMx
- TLSH T192232A003BE8822BF2BE4F7899F26145857AF6637603D58E1CC451DB5613FC68A426FE
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
f7f50763181399446e49ea65913a373092f9757e686be86e1a5d085361b065ce.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
f7f50763181399446e49ea65913a373092f9757e686be86e1a5d085361b065ce.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
-
formbook.fimsexvietnam.com:80
-
formbook.fimsexvietnam.com:22
-
formbook.fimsexvietnam.com:8080
-
formbook.fimsexvietnam.com:8880
-
formbook.fimsexvietnam.com:2052
-
formbook.fimsexvietnam.com:2082
-
formbook.fimsexvietnam.com:2086
-
formbook.fimsexvietnam.com:2095
-
formbook.fimsexvietnam.com:443
-
formbook.fimsexvietnam.com:2053
-
formbook.fimsexvietnam.com:2083
-
formbook.fimsexvietnam.com:2087
-
formbook.fimsexvietnam.com:2096
-
formbook.fimsexvietnam.com:8443
-
shamoon.fimsexvietnam.com:80
-
shamoon.fimsexvietnam.com:22
-
shamoon.fimsexvietnam.com:8080
-
shamoon.fimsexvietnam.com:8880
-
shamoon.fimsexvietnam.com:2052
-
shamoon.fimsexvietnam.com:2082
-
shamoon.fimsexvietnam.com:2086
-
shamoon.fimsexvietnam.com:2095
-
shamoon.fimsexvietnam.com:443
-
shamoon.fimsexvietnam.com:2053
-
shamoon.fimsexvietnam.com:2083
-
shamoon.fimsexvietnam.com:2087
-
shamoon.fimsexvietnam.com:2096
-
shamoon.fimsexvietnam.com:8443
-
hacker.fimsexvietnam.com:80
-
hacker.fimsexvietnam.com:22
-
hacker.fimsexvietnam.com:8080
-
hacker.fimsexvietnam.com:8880
-
hacker.fimsexvietnam.com:2052
-
hacker.fimsexvietnam.com:2082
-
hacker.fimsexvietnam.com:2086
-
hacker.fimsexvietnam.com:2095
-
hacker.fimsexvietnam.com:443
-
hacker.fimsexvietnam.com:2053
-
hacker.fimsexvietnam.com:2083
-
hacker.fimsexvietnam.com:2087
-
hacker.fimsexvietnam.com:2096
-
hacker.fimsexvietnam.com:8443
-
aJdgtUzuH6lu
-
delay
0
-
install
true
-
install_file
b7rei.exe
-
install_folder
%AppData%
Targets
-
- Target f7f50763181399446e49ea65913a373092f9757e686be86e1a5d085361b065ce
- Size 45KB
- SHA256 f7f50763181399446e49ea65913a373092f9757e686be86e1a5d085361b065ce
- MD5 8f1be48ca2b1bf4fcf3e05e3ee64b8cc
- SHA1 b3eb57bb9e0bda22ffa5bbfba6f866a90ba631fe
- SHA512 db852f60a065a54f10aac9f4d2ebd614acb4168b514103d8ab9b2e03a9cfca64177fe61c5e63fc481cd378546ae0b19dd6a773a3f7e7ac47392a9ca25e9dfd93
- SSDEEP 768:ku40ZTX3uXTaWUgzW0mo2qwe9xY6aZOOPIrzjbXgE3ieot4ackN5J7GrTBDZMx:ku40ZTXEb2Ss/O3r3bwESXfcUu1dMx
- TLSH T192232A003BE8822BF2BE4F7899F26145857AF6637603D58E1CC451DB5613FC68A426FE
- 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