Analysis
- max time kernel
40s - max time network
134s - platform
windows10_x64 - resource
win10v20201028 - submitted
18/11/2020, 12:55
General
- Target OFERTA-202154 20201105.exe
- Size 1.1MB
- Sample201118-jqdv65442x
- SHA256 238b35ec58e7e0da2a84223bbac72df3ad69bbb4b1fe473a6095fccddcebf7fc
Malware Config
Signatures
- MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
- MassLogger Main Payload 2 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious behavior: EnumeratesProcesses 7 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\OFERTA-202154 20201105.exe"C:\Users\Admin\AppData\Local\Temp\OFERTA-202154 20201105.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\OFERTA-202154 20201105.exe"C:\Users\Admin\AppData\Local\Temp\OFERTA-202154 20201105.exe"2⤵
- Checks computer location settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\OFERTA-202154 20201105.exe'3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/2256-29-0x0000000008200000-0x0000000008201000-memory.dmp
memory/2256-30-0x0000000008490000-0x0000000008491000-memory.dmp
memory/2256-44-0x00000000096C0000-0x00000000096C1000-memory.dmp
memory/2256-42-0x00000000096D0000-0x00000000096D1000-memory.dmp
memory/2256-41-0x0000000009720000-0x0000000009721000-memory.dmp
memory/2256-40-0x0000000009560000-0x0000000009561000-memory.dmp
memory/2256-39-0x00000000091E0000-0x00000000091E1000-memory.dmp
memory/2256-32-0x0000000009430000-0x0000000009463000-memory.dmp
memory/2256-23-0x0000000007540000-0x0000000007541000-memory.dmp
memory/2256-28-0x0000000007D80000-0x0000000007D81000-memory.dmp
memory/2256-25-0x0000000007C70000-0x0000000007C71000-memory.dmp
memory/2256-24-0x00000000073B0000-0x00000000073B1000-memory.dmp
memory/2256-20-0x00000000733D0000-0x0000000073ABE000-memory.dmp
memory/2256-22-0x0000000001150000-0x0000000001151000-memory.dmp
memory/2256-27-0x0000000007EB0000-0x0000000007EB1000-memory.dmp
memory/2828-9-0x0000000000400000-0x0000000000486000-memory.dmp
memory/2828-19-0x0000000007130000-0x0000000007131000-memory.dmp
memory/2828-11-0x00000000733D0000-0x0000000073ABE000-memory.dmp
memory/2828-21-0x0000000007220000-0x0000000007221000-memory.dmp
memory/3160-4-0x0000000004FE0000-0x0000000004FE1000-memory.dmp
memory/3160-0-0x00000000733D0000-0x0000000073ABE000-memory.dmp
memory/3160-1-0x00000000005E0000-0x00000000005E1000-memory.dmp
memory/3160-7-0x0000000007040000-0x0000000007041000-memory.dmp
memory/3160-6-0x0000000005520000-0x00000000055AD000-memory.dmp
memory/3160-5-0x0000000004F40000-0x0000000004F41000-memory.dmp
memory/3160-8-0x0000000007010000-0x0000000007026000-memory.dmp
memory/3160-3-0x00000000055D0000-0x00000000055D1000-memory.dmp