General
- Target b9e7372c4b67c96e74079a4680ca52bfd4fcebac88cc4a475c3ea9a5898a08b2
- Size 1.1MB
- Sample260106-kntk7afs8a
- SHA256 b9e7372c4b67c96e74079a4680ca52bfd4fcebac88cc4a475c3ea9a5898a08b2
- MD5 5e0daa6b076f25fd4b1ba44b3a807840
- SHA1 f91a460b251c857ce021b5b990b302f4b400856e
- SHA512 6a901f6562285e3f8b6faae81dd2d5f96e484d5a53c5daeebf1f4f86340e37964162a96dbcbef222a15ac95a848870ee185e6a4e136fd9692f9fff053eb463d9
- SSDEEP 24576:6s4s9Hx3tlBbCcEQCn3VIjwhODPy/Thjqq2P4lJFJoSn2:Jj0QCn3+whi0Veq2wOY2
- MD5 SHA1 SHA512 SSDEEP
Static task
static1
Behavioral task
behavioral1
Sample
配置清单.msi
Resource
win10v2004-20251231-en
Behavioral task
behavioral2
Sample
配置清单.msi
Resource
win11-20251231-en
Malware Config
Extracted
-
valleyrat_s2
-
1.0
-
154.23.127.134:1688
-
127.0.0.1:80
-
campaign_date
2025. 8.17
Targets
-
- Target 配置清单.msi
- Size 2.3MB
- SHA256 adfc8fbe77044af27b8b6ce901c384d786e1a34124ece6cb743f3a5c7a4d303e
- MD5 93a10bdfec266a8deada0d6f7b294d06
- SHA1 7ba97a13d1842e8ca51c92b9b23b273a97191252
- SHA512 2069ef3ff74bcfd633bb761af180f30a7ad27a1f63172d7068f5f2767242210c5b5e72047fb70e02b6d0c50151db50196caec7ff2625aac0449c39f99a117acd
- SSDEEP 49152:9ueB+TEanLBm/usqOVX7Gp7ADREFClUDxuj45G178g46CPT6RQgo:YyX0lFC2YovPT6RY
- MD5 SHA1 SHA512 SSDEEP
-
Detects ValleyRAT payload
-
Valleyrat_s2 family
-
Badlisted process makes network request
Network request originating from process or tool commonly abused by malware.
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Executes dropped EXE
-
Loads dropped DLL
-
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
MITRE ATT&CK Enterprise v16
Privilege Escalation
Access Token Manipulation
1Create Process with Token
1Event Triggered Execution
1Installer Packages
1Defense Evasion
Access Token Manipulation
1Create Process with Token
1System Binary Proxy Execution
1Msiexec
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1