General
- Target 94b99d2c596c9c265a0f9f4aef59ac6ff943b03db2058e68a347a196cbc7ef19
- Size 45KB
- Sample260803-lk825sfe46
- SHA256 94b99d2c596c9c265a0f9f4aef59ac6ff943b03db2058e68a347a196cbc7ef19
- MD5 8bdd2468a1f5ddf0b02fe7b7ef1cf482
- SHA1 2e402456f835d10d1984dffe742f9b510840a23e
- SHA512 791cdde6efcaa3c07fd97f0f2132f0f293c5aff0274421fced3d15f1f107020a5e2d705d8dc3d4cbdca0c893a86b6d0c0392be488a713ba6e7d2bd04a3363365
- SSDEEP 768:8uUIpT4vvofWWUEXb+Imo2q4gozfy3CKPI0TjbIgX3il9V2OTfEJrIN/04BDZ0x:8uUIpT4vAj25TR0XbfXSs1IN/0+d0x
- TLSH T112233C003BE9C127F2BE5B789DF26105867AF6632A03D5891CC411DB5723FC69A426FE
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
94b99d2c596c9c265a0f9f4aef59ac6ff943b03db2058e68a347a196cbc7ef19.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
94b99d2c596c9c265a0f9f4aef59ac6ff943b03db2058e68a347a196cbc7ef19.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
-
revil.fimsexvietnam.com:80
-
revil.fimsexvietnam.com:22
-
revil.fimsexvietnam.com:8080
-
revil.fimsexvietnam.com:8880
-
revil.fimsexvietnam.com:2052
-
revil.fimsexvietnam.com:2082
-
revil.fimsexvietnam.com:2086
-
revil.fimsexvietnam.com:2095
-
revil.fimsexvietnam.com:443
-
revil.fimsexvietnam.com:2053
-
revil.fimsexvietnam.com:2083
-
revil.fimsexvietnam.com:2087
-
revil.fimsexvietnam.com:2096
-
revil.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
-
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
-
8vVFaHOJ27AY
-
delay
0
-
install
true
-
install_file
b3hu4jb.exe
-
install_folder
%AppData%
Targets
-
- Target 94b99d2c596c9c265a0f9f4aef59ac6ff943b03db2058e68a347a196cbc7ef19
- Size 45KB
- SHA256 94b99d2c596c9c265a0f9f4aef59ac6ff943b03db2058e68a347a196cbc7ef19
- MD5 8bdd2468a1f5ddf0b02fe7b7ef1cf482
- SHA1 2e402456f835d10d1984dffe742f9b510840a23e
- SHA512 791cdde6efcaa3c07fd97f0f2132f0f293c5aff0274421fced3d15f1f107020a5e2d705d8dc3d4cbdca0c893a86b6d0c0392be488a713ba6e7d2bd04a3363365
- SSDEEP 768:8uUIpT4vvofWWUEXb+Imo2q4gozfy3CKPI0TjbIgX3il9V2OTfEJrIN/04BDZ0x:8uUIpT4vAj25TR0XbfXSs1IN/0+d0x
- TLSH T112233C003BE9C127F2BE5B789DF26105867AF6632A03D5891CC411DB5723FC69A426FE
- 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