General
- Target a20d2fc48422446ff4ed3de17af3cefc11b84d108a19d708137aff441b4aec1d
- Size 45KB
- Sample260804-phs5paah97
- SHA256 a20d2fc48422446ff4ed3de17af3cefc11b84d108a19d708137aff441b4aec1d
- MD5 b1df325bcbe3d3552405f30bbd97bf89
- SHA1 b49f8e4a6c2a2a092c1bd04103e5ecb2148900b4
- SHA512 b2e23735499bbfa263043276c5fd5a646df28dd905ca94595c718f433193cbeb5dd6ba4b6fba36ab441fefaef3458b2f8ba1e71159b4a983f0df41558b64cb0a
- SSDEEP 768:EulCJTHESwgWUK3aGmo2q9ICXtTtSPIRzjbRgX3i4igYQLsoeJTXsxxKWBDZsx:EulCJTHl42fwxR3beXS4ig5jeao4dsx
- TLSH T11E232A0037E8822BF2BE4B78ADF26145867AF6673603D54E1CC441DB5723BC69A426FD
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
a20d2fc48422446ff4ed3de17af3cefc11b84d108a19d708137aff441b4aec1d.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
a20d2fc48422446ff4ed3de17af3cefc11b84d108a19d708137aff441b4aec1d.exe
Resource
win11ltsc2024-20260709-en
Malware Config
Extracted
-
asyncrat
-
0.5.8
-
Default
-
viet18.org:80
-
viet18.org:22
-
viet18.org:8080
-
viet18.org:8880
-
viet18.org:2052
-
viet18.org:2082
-
viet18.org:2086
-
viet18.org:2095
-
viet18.org:443
-
viet18.org:2053
-
viet18.org:2083
-
viet18.org:2087
-
viet18.org:2096
-
viet18.org:8443
-
www.viet18.org:80
-
www.viet18.org:22
-
www.viet18.org:8080
-
www.viet18.org:8880
-
www.viet18.org:2052
-
www.viet18.org:2082
-
www.viet18.org:2086
-
www.viet18.org:2095
-
www.viet18.org:443
-
www.viet18.org:2053
-
www.viet18.org:2083
-
www.viet18.org:2087
-
www.viet18.org:2096
-
www.viet18.org:8443
-
trisis.viet18.org:80
-
trisis.viet18.org:22
-
trisis.viet18.org:8080
-
trisis.viet18.org:8880
-
trisis.viet18.org:2052
-
trisis.viet18.org:2082
-
trisis.viet18.org:2086
-
trisis.viet18.org:2095
-
trisis.viet18.org:443
-
trisis.viet18.org:2053
-
trisis.viet18.org:2083
-
trisis.viet18.org:2087
-
trisis.viet18.org:2096
-
trisis.viet18.org:8443
-
ryuk.viet18.org:80
-
ryuk.viet18.org:22
-
ryuk.viet18.org:8080
-
ryuk.viet18.org:8880
-
ryuk.viet18.org:2052
-
ryuk.viet18.org:2082
-
ryuk.viet18.org:2086
-
ryuk.viet18.org:2095
-
ryuk.viet18.org:443
-
ryuk.viet18.org:2053
-
ryuk.viet18.org:2083
-
ryuk.viet18.org:2087
-
ryuk.viet18.org:2096
-
ryuk.viet18.org:8443
-
downadup.viet18.org:80
-
downadup.viet18.org:22
-
downadup.viet18.org:8080
-
downadup.viet18.org:8880
-
downadup.viet18.org:2052
-
downadup.viet18.org:2082
-
downadup.viet18.org:2086
-
downadup.viet18.org:2095
-
downadup.viet18.org:443
-
downadup.viet18.org:2053
-
downadup.viet18.org:2083
-
downadup.viet18.org:2087
-
downadup.viet18.org:2096
-
downadup.viet18.org:8443
-
emotet.viet18.org:80
-
emotet.viet18.org:22
-
emotet.viet18.org:8080
-
emotet.viet18.org:8880
-
emotet.viet18.org:2052
-
emotet.viet18.org:2082
-
emotet.viet18.org:2086
-
emotet.viet18.org:2095
-
emotet.viet18.org:443
-
emotet.viet18.org:2053
-
emotet.viet18.org:2083
-
emotet.viet18.org:2087
-
emotet.viet18.org:2096
-
emotet.viet18.org:8443
-
y8xivjPJ6LO5
-
delay
0
-
install
true
-
install_file
5n2j22.exe
-
install_folder
%AppData%
Targets
-
- Target a20d2fc48422446ff4ed3de17af3cefc11b84d108a19d708137aff441b4aec1d
- Size 45KB
- SHA256 a20d2fc48422446ff4ed3de17af3cefc11b84d108a19d708137aff441b4aec1d
- MD5 b1df325bcbe3d3552405f30bbd97bf89
- SHA1 b49f8e4a6c2a2a092c1bd04103e5ecb2148900b4
- SHA512 b2e23735499bbfa263043276c5fd5a646df28dd905ca94595c718f433193cbeb5dd6ba4b6fba36ab441fefaef3458b2f8ba1e71159b4a983f0df41558b64cb0a
- SSDEEP 768:EulCJTHESwgWUK3aGmo2q9ICXtTtSPIRzjbRgX3i4igYQLsoeJTXsxxKWBDZsx:EulCJTHl42fwxR3beXS4ig5jeao4dsx
- TLSH T11E232A0037E8822BF2BE4B78ADF26145867AF6673603D54E1CC441DB5723BC69A426FD
- 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