Analysis
- max time kernel
3s - max time network
9s - platform
windows7_x64 - resource
win7v20201028 - submitted
12/11/2020, 14:15
Static task
static1
Behavioral task
behavioral1
Sample
e8d4ad02e8811033f3ce05547774f6e9650ee66cf3f9221df656b326b8bd039d.exe
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
e8d4ad02e8811033f3ce05547774f6e9650ee66cf3f9221df656b326b8bd039d.exe
Resource
win10v20201028
windows10_x64
0 signatures
0 seconds
General
- Target e8d4ad02e8811033f3ce05547774f6e9650ee66cf3f9221df656b326b8bd039d.exe
- Size 261KB
- Sample201112-78act6bt5s
- SHA256 e8d4ad02e8811033f3ce05547774f6e9650ee66cf3f9221df656b326b8bd039d
- MD5 2ed5f2e4e1ebb8f92fc82542e1bfb487
- SHA1 eab016a3a6ea4b483a5215059076698e360c3eb3
- SHA512 fce94e55f02f70effd094edc0a0dbf2a83b75c38fd9e60867a07174aaaaa724c0c12804f1b8d94f4678f43ca458ee763760274fc589b3ea340ca0fac6a1a4deb
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\system32\\MSDCSC\\Runtime Broker.exe" e8d4ad02e8811033f3ce05547774f6e9650ee66cf3f9221df656b326b8bd039d.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Windows\CurrentVersion\Run\Runtime Broker = "C:\\Windows\\system32\\MSDCSC\\Runtime Broker.exe" e8d4ad02e8811033f3ce05547774f6e9650ee66cf3f9221df656b326b8bd039d.exe - Drops file in System32 directory 2 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\MSDCSC\Runtime Broker.exe e8d4ad02e8811033f3ce05547774f6e9650ee66cf3f9221df656b326b8bd039d.exe File created C:\Windows\SysWOW64\MSDCSC\Runtime Broker.exe e8d4ad02e8811033f3ce05547774f6e9650ee66cf3f9221df656b326b8bd039d.exe - Suspicious use of AdjustPrivilegeToken 23 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 1048 e8d4ad02e8811033f3ce05547774f6e9650ee66cf3f9221df656b326b8bd039d.exe Token: SeSecurityPrivilege 1048 e8d4ad02e8811033f3ce05547774f6e9650ee66cf3f9221df656b326b8bd039d.exe Token: SeTakeOwnershipPrivilege 1048 e8d4ad02e8811033f3ce05547774f6e9650ee66cf3f9221df656b326b8bd039d.exe Token: SeLoadDriverPrivilege 1048 e8d4ad02e8811033f3ce05547774f6e9650ee66cf3f9221df656b326b8bd039d.exe Token: SeSystemProfilePrivilege 1048 e8d4ad02e8811033f3ce05547774f6e9650ee66cf3f9221df656b326b8bd039d.exe Token: SeSystemtimePrivilege 1048 e8d4ad02e8811033f3ce05547774f6e9650ee66cf3f9221df656b326b8bd039d.exe Token: SeProfSingleProcessPrivilege 1048 e8d4ad02e8811033f3ce05547774f6e9650ee66cf3f9221df656b326b8bd039d.exe Token: SeIncBasePriorityPrivilege 1048 e8d4ad02e8811033f3ce05547774f6e9650ee66cf3f9221df656b326b8bd039d.exe Token: SeCreatePagefilePrivilege 1048 e8d4ad02e8811033f3ce05547774f6e9650ee66cf3f9221df656b326b8bd039d.exe Token: SeBackupPrivilege 1048 e8d4ad02e8811033f3ce05547774f6e9650ee66cf3f9221df656b326b8bd039d.exe Token: SeRestorePrivilege 1048 e8d4ad02e8811033f3ce05547774f6e9650ee66cf3f9221df656b326b8bd039d.exe Token: SeShutdownPrivilege 1048 e8d4ad02e8811033f3ce05547774f6e9650ee66cf3f9221df656b326b8bd039d.exe Token: SeDebugPrivilege 1048 e8d4ad02e8811033f3ce05547774f6e9650ee66cf3f9221df656b326b8bd039d.exe Token: SeSystemEnvironmentPrivilege 1048 e8d4ad02e8811033f3ce05547774f6e9650ee66cf3f9221df656b326b8bd039d.exe Token: SeChangeNotifyPrivilege 1048 e8d4ad02e8811033f3ce05547774f6e9650ee66cf3f9221df656b326b8bd039d.exe Token: SeRemoteShutdownPrivilege 1048 e8d4ad02e8811033f3ce05547774f6e9650ee66cf3f9221df656b326b8bd039d.exe Token: SeUndockPrivilege 1048 e8d4ad02e8811033f3ce05547774f6e9650ee66cf3f9221df656b326b8bd039d.exe Token: SeManageVolumePrivilege 1048 e8d4ad02e8811033f3ce05547774f6e9650ee66cf3f9221df656b326b8bd039d.exe Token: SeImpersonatePrivilege 1048 e8d4ad02e8811033f3ce05547774f6e9650ee66cf3f9221df656b326b8bd039d.exe Token: SeCreateGlobalPrivilege 1048 e8d4ad02e8811033f3ce05547774f6e9650ee66cf3f9221df656b326b8bd039d.exe Token: 33 1048 e8d4ad02e8811033f3ce05547774f6e9650ee66cf3f9221df656b326b8bd039d.exe Token: 34 1048 e8d4ad02e8811033f3ce05547774f6e9650ee66cf3f9221df656b326b8bd039d.exe Token: 35 1048 e8d4ad02e8811033f3ce05547774f6e9650ee66cf3f9221df656b326b8bd039d.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\e8d4ad02e8811033f3ce05547774f6e9650ee66cf3f9221df656b326b8bd039d.exe"C:\Users\Admin\AppData\Local\Temp\e8d4ad02e8811033f3ce05547774f6e9650ee66cf3f9221df656b326b8bd039d.exe"1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
PID:1048