Analysis
- max time kernel
127s - max time network
136s - platform
windows7_x64 - resource
win7 - submitted
09/07/2020, 18:15
General
- Target tracker.doc
- Size 211KB
- Sample200709-2mcg5ntyzs
- SHA256 be90083aacdd2a3bba483b56ae5b3261317add57233873f86f037aeb3428e662
Score
8/10
Malware Config
Signatures
- Suspicious use of SetWindowsHookEx 3 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Blacklisted process makes network request 1 IoCs
- Executes dropped EXE 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Office loads VBA resources, possible macro or embedded object present
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Launches Equation Editor 1 TTPs 1 IoCs
Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.
- Suspicious use of WriteProcessMemory 13 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Adds Run entry to start application 2 TTPs 1 IoCs
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Loads dropped DLL 2 IoCs
Processes
-
C:\Program Files\Microsoft Office\Office14\WINWORD.EXE"C:\Program Files\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\tracker.doc"1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious behavior: AddClipboardFormatListener
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C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE"C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding1⤵
- Blacklisted process makes network request
- Launches Equation Editor
- Suspicious use of WriteProcessMemory
- Loads dropped DLL
-
C:\Users\Admin\AppData\Local\Temp\pwininilog.exeC:\Users\Admin\AppData\Local\Temp\pwininilog.exe2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
- Loads dropped DLL
-
C:\Users\Admin\AppData\Local\Temp\pwininilog.exe"{path}"3⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of AdjustPrivilegeToken
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Adds Run entry to start application
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1788-5-0x0000000000400000-0x000000000044C000-memory.dmp
memory/1788-8-0x0000000000400000-0x000000000044C000-memory.dmp
memory/1788-9-0x0000000000400000-0x000000000044C000-memory.dmp