Analysis
- max time kernel
13s - max time network
112s - platform
windows10_x64 - resource
win10v20201028 - submitted
27/02/2021, 16:43
Static task
static1
Behavioral task
behavioral1
Sample
b3feec059ff8a39d9ff93a950a3e1e1da7b464097db715a3e47e4284f3f21191.exe
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
General
- Target b3feec059ff8a39d9ff93a950a3e1e1da7b464097db715a3e47e4284f3f21191.exe
- Size 97KB
- Sample210227-srfag3e23s
- SHA256 b3feec059ff8a39d9ff93a950a3e1e1da7b464097db715a3e47e4284f3f21191
- MD5 7a5aec4c4616290073aaf42664c434d9
- SHA1 5614b6864f5be342223c13817558b872ea402596
- SHA512 7e57773210573d4656c5802871091b395b5042ee306e8c9df95df3639536f8d3d0e1dc146dead82a47d0db2ced4d51961d656ee28524e041cf3b5eef5e809a0a
- MD5 SHA1 SHA512
Malware Config
Signatures
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious use of AdjustPrivilegeToken 40 IoCs
description pid Process Token: SeImpersonatePrivilege 4012 b3feec059ff8a39d9ff93a950a3e1e1da7b464097db715a3e47e4284f3f21191.exe Token: SeTcbPrivilege 4012 b3feec059ff8a39d9ff93a950a3e1e1da7b464097db715a3e47e4284f3f21191.exe Token: SeChangeNotifyPrivilege 4012 b3feec059ff8a39d9ff93a950a3e1e1da7b464097db715a3e47e4284f3f21191.exe Token: SeCreateTokenPrivilege 4012 b3feec059ff8a39d9ff93a950a3e1e1da7b464097db715a3e47e4284f3f21191.exe Token: SeBackupPrivilege 4012 b3feec059ff8a39d9ff93a950a3e1e1da7b464097db715a3e47e4284f3f21191.exe Token: SeRestorePrivilege 4012 b3feec059ff8a39d9ff93a950a3e1e1da7b464097db715a3e47e4284f3f21191.exe Token: SeIncreaseQuotaPrivilege 4012 b3feec059ff8a39d9ff93a950a3e1e1da7b464097db715a3e47e4284f3f21191.exe Token: SeAssignPrimaryTokenPrivilege 4012 b3feec059ff8a39d9ff93a950a3e1e1da7b464097db715a3e47e4284f3f21191.exe Token: SeImpersonatePrivilege 4012 b3feec059ff8a39d9ff93a950a3e1e1da7b464097db715a3e47e4284f3f21191.exe Token: SeTcbPrivilege 4012 b3feec059ff8a39d9ff93a950a3e1e1da7b464097db715a3e47e4284f3f21191.exe Token: SeChangeNotifyPrivilege 4012 b3feec059ff8a39d9ff93a950a3e1e1da7b464097db715a3e47e4284f3f21191.exe Token: SeCreateTokenPrivilege 4012 b3feec059ff8a39d9ff93a950a3e1e1da7b464097db715a3e47e4284f3f21191.exe Token: SeBackupPrivilege 4012 b3feec059ff8a39d9ff93a950a3e1e1da7b464097db715a3e47e4284f3f21191.exe Token: SeRestorePrivilege 4012 b3feec059ff8a39d9ff93a950a3e1e1da7b464097db715a3e47e4284f3f21191.exe Token: SeIncreaseQuotaPrivilege 4012 b3feec059ff8a39d9ff93a950a3e1e1da7b464097db715a3e47e4284f3f21191.exe Token: SeAssignPrimaryTokenPrivilege 4012 b3feec059ff8a39d9ff93a950a3e1e1da7b464097db715a3e47e4284f3f21191.exe Token: SeImpersonatePrivilege 4012 b3feec059ff8a39d9ff93a950a3e1e1da7b464097db715a3e47e4284f3f21191.exe Token: SeTcbPrivilege 4012 b3feec059ff8a39d9ff93a950a3e1e1da7b464097db715a3e47e4284f3f21191.exe Token: SeChangeNotifyPrivilege 4012 b3feec059ff8a39d9ff93a950a3e1e1da7b464097db715a3e47e4284f3f21191.exe Token: SeCreateTokenPrivilege 4012 b3feec059ff8a39d9ff93a950a3e1e1da7b464097db715a3e47e4284f3f21191.exe Token: SeBackupPrivilege 4012 b3feec059ff8a39d9ff93a950a3e1e1da7b464097db715a3e47e4284f3f21191.exe Token: SeRestorePrivilege 4012 b3feec059ff8a39d9ff93a950a3e1e1da7b464097db715a3e47e4284f3f21191.exe Token: SeIncreaseQuotaPrivilege 4012 b3feec059ff8a39d9ff93a950a3e1e1da7b464097db715a3e47e4284f3f21191.exe Token: SeAssignPrimaryTokenPrivilege 4012 b3feec059ff8a39d9ff93a950a3e1e1da7b464097db715a3e47e4284f3f21191.exe Token: SeImpersonatePrivilege 4012 b3feec059ff8a39d9ff93a950a3e1e1da7b464097db715a3e47e4284f3f21191.exe Token: SeTcbPrivilege 4012 b3feec059ff8a39d9ff93a950a3e1e1da7b464097db715a3e47e4284f3f21191.exe Token: SeChangeNotifyPrivilege 4012 b3feec059ff8a39d9ff93a950a3e1e1da7b464097db715a3e47e4284f3f21191.exe Token: SeCreateTokenPrivilege 4012 b3feec059ff8a39d9ff93a950a3e1e1da7b464097db715a3e47e4284f3f21191.exe Token: SeBackupPrivilege 4012 b3feec059ff8a39d9ff93a950a3e1e1da7b464097db715a3e47e4284f3f21191.exe Token: SeRestorePrivilege 4012 b3feec059ff8a39d9ff93a950a3e1e1da7b464097db715a3e47e4284f3f21191.exe Token: SeIncreaseQuotaPrivilege 4012 b3feec059ff8a39d9ff93a950a3e1e1da7b464097db715a3e47e4284f3f21191.exe Token: SeAssignPrimaryTokenPrivilege 4012 b3feec059ff8a39d9ff93a950a3e1e1da7b464097db715a3e47e4284f3f21191.exe Token: SeImpersonatePrivilege 4012 b3feec059ff8a39d9ff93a950a3e1e1da7b464097db715a3e47e4284f3f21191.exe Token: SeTcbPrivilege 4012 b3feec059ff8a39d9ff93a950a3e1e1da7b464097db715a3e47e4284f3f21191.exe Token: SeChangeNotifyPrivilege 4012 b3feec059ff8a39d9ff93a950a3e1e1da7b464097db715a3e47e4284f3f21191.exe Token: SeCreateTokenPrivilege 4012 b3feec059ff8a39d9ff93a950a3e1e1da7b464097db715a3e47e4284f3f21191.exe Token: SeBackupPrivilege 4012 b3feec059ff8a39d9ff93a950a3e1e1da7b464097db715a3e47e4284f3f21191.exe Token: SeRestorePrivilege 4012 b3feec059ff8a39d9ff93a950a3e1e1da7b464097db715a3e47e4284f3f21191.exe Token: SeIncreaseQuotaPrivilege 4012 b3feec059ff8a39d9ff93a950a3e1e1da7b464097db715a3e47e4284f3f21191.exe Token: SeAssignPrimaryTokenPrivilege 4012 b3feec059ff8a39d9ff93a950a3e1e1da7b464097db715a3e47e4284f3f21191.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4012 wrote to memory of 2468 4012 b3feec059ff8a39d9ff93a950a3e1e1da7b464097db715a3e47e4284f3f21191.exe 75 PID 4012 wrote to memory of 2468 4012 b3feec059ff8a39d9ff93a950a3e1e1da7b464097db715a3e47e4284f3f21191.exe 75 PID 4012 wrote to memory of 2468 4012 b3feec059ff8a39d9ff93a950a3e1e1da7b464097db715a3e47e4284f3f21191.exe 75
Processes
-
C:\Users\Admin\AppData\Local\Temp\b3feec059ff8a39d9ff93a950a3e1e1da7b464097db715a3e47e4284f3f21191.exe"C:\Users\Admin\AppData\Local\Temp\b3feec059ff8a39d9ff93a950a3e1e1da7b464097db715a3e47e4284f3f21191.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4012 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\259275906.bat" "C:\Users\Admin\AppData\Local\Temp\b3feec059ff8a39d9ff93a950a3e1e1da7b464097db715a3e47e4284f3f21191.exe" "2⤵PID:2468
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