Analysis
- max time kernel
77s - max time network
66s - platform
windows10_x64 - resource
win10 - submitted
03/09/2020, 14:53
Static task
static1
Behavioral task
behavioral1
Sample
software-launcher.exe
Resource
win7
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
software-launcher.exe
Resource
win10
0 signatures
0 seconds
General
- Target software-launcher.exe
- Size 207KB
- Sample200903-xvmltld6ze
- SHA256 fd945e2cc6d1b3a453135d5df04eeccbfd16f76e0744dd27b99e0eccaa9053bd
- MD5 900c456cbcd61ed2bf91378112e93eb0
- SHA1 c227ca088a4f80729b83396cafa0152d9778254e
- SHA512 e9e71efbe7e70ece0d5022c401d6cb8c808237946b6a30fcfe18d8d43ea93460c04977015daf05a7baa5a9f1467c5ffdcf499a52706c27a0055529a3f38f0ba7
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- HiddenTear Ransomware
Open-Source ransomware available on Github since 2015, with many versions in the wild.
- Modifies extensions of user files 1 IoCs
Ransomware generally changes the extension on encrypted files.
description ioc Process File renamed C:\Users\Admin\Pictures\SwitchReset.png => C:\Users\Admin\Pictures\SwitchReset.png.klavins software-launcher.exe - Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\ServiceProfiles\LocalService\winhttp\cachev3.dat svchost.exe - Modifies data under HKEY_USERS 5 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad svchost.exe Key created \REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7 svchost.exe Set value (int) \REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecisionReason = "1" svchost.exe Set value (data) \REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecisionTime = bdfd26760182d601 svchost.exe Set value (int) \REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecision = "0" svchost.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeShutdownPrivilege 744 svchost.exe Token: SeCreatePagefilePrivilege 744 svchost.exe Token: SeDebugPrivilege 3104 software-launcher.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\software-launcher.exe"C:\Users\Admin\AppData\Local\Temp\software-launcher.exe"1⤵
- Modifies extensions of user files
- Suspicious use of AdjustPrivilegeToken
PID:3104
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -s WinHttpAutoProxySvc1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:744