Analysis
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max time kernel
142s -
max time network
150s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
03/03/2021, 14:30
Static task
static1
Behavioral task
behavioral1
Sample
0303_7987150656181.doc
Resource
win7v20201028
Behavioral task
behavioral2
Sample
0303_7987150656181.doc
Resource
win10v20201028
General
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Target
0303_7987150656181.doc
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Size
775KB
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MD5
a6a62c994891464d42307d946f7c770e
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SHA1
99d5b3df9e3cc14b7aa46f8da393443f51da743e
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SHA256
1cdb6e242c5166d15c994c0472d1d14548ce660e6c1f30c156a944b690b5946c
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SHA512
795c408f08797374ebfa692bfb56fd9eb373bc690487c79cf663a6e005713ecabe386ed730fc93b4542a1eaf508bb88023965958431d1b8bfafec90962e346d2
Malware Config
Extracted
hancitor
0303_trew30
http://mainctional.com/8/forum.php
http://disrulaytin.ru/8/forum.php
http://puldefletat.ru/8/forum.php
Signatures
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Hancitor
Hancitor is downloader used to deliver other malware families.
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Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
description pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process 2156 4768 rundll32.exe 25 -
Blocklisted process makes network request 3 IoCs
flow pid Process 37 556 rundll32.exe 39 556 rundll32.exe 41 556 rundll32.exe -
Loads dropped DLL 1 IoCs
pid Process 556 rundll32.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 36 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 556 set thread context of 3508 556 rundll32.exe 84 -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WINWORD.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WINWORD.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE -
NTFS ADS 1 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Local\Temp\{2935C5A2-6A46-406C-9F2D-646E570EAD25}\msals.pumpl:Zone.Identifier WINWORD.EXE -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 4768 WINWORD.EXE 4768 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 556 rundll32.exe 556 rundll32.exe -
Suspicious use of SetWindowsHookEx 17 IoCs
pid Process 4768 WINWORD.EXE 4768 WINWORD.EXE 4768 WINWORD.EXE 4768 WINWORD.EXE 4768 WINWORD.EXE 4768 WINWORD.EXE 4768 WINWORD.EXE 4768 WINWORD.EXE 4768 WINWORD.EXE 4768 WINWORD.EXE 4768 WINWORD.EXE 4768 WINWORD.EXE 4768 WINWORD.EXE 4768 WINWORD.EXE 4768 WINWORD.EXE 4768 WINWORD.EXE 4768 WINWORD.EXE -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 4768 wrote to memory of 4224 4768 WINWORD.EXE 75 PID 4768 wrote to memory of 4224 4768 WINWORD.EXE 75 PID 4768 wrote to memory of 2156 4768 WINWORD.EXE 76 PID 4768 wrote to memory of 2156 4768 WINWORD.EXE 76 PID 2156 wrote to memory of 556 2156 rundll32.exe 77 PID 2156 wrote to memory of 556 2156 rundll32.exe 77 PID 2156 wrote to memory of 556 2156 rundll32.exe 77 PID 556 wrote to memory of 3508 556 rundll32.exe 84 PID 556 wrote to memory of 3508 556 rundll32.exe 84 PID 556 wrote to memory of 3508 556 rundll32.exe 84 PID 556 wrote to memory of 3508 556 rundll32.exe 84 PID 556 wrote to memory of 3508 556 rundll32.exe 84
Processes
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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\0303_7987150656181.doc" /o ""1⤵
- Checks processor information in registry
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4768 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:4224
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C:\Windows\System32\rundll32.exe"C:\Windows\System32\rundll32.exe" c:\users\admin\appdata\local\temp\Static.dll,WIOYJIOLYGA2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:2156 -
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" c:\users\admin\appdata\local\temp\Static.dll,WIOYJIOLYGA3⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:556 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\System32\svchost.exe4⤵PID:3508
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