Analysis
- max time kernel
120s - max time network
152s - platform
windows10_x64 - resource
win10v20210408 - submitted
02/09/2021, 14:57
Static task
static1
Behavioral task
behavioral1
Sample
0902_7410370744.doc
Resource
win7v20210408
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
0902_7410370744.doc
Resource
win10v20210408
0 signatures
0 seconds
General
- Target 0902_7410370744.doc
- Size 430KB
- Sample210902-sbsgcsaea3
- SHA256 0405ec33b626eaebad4e45c116d01bd38471398dfc68c7f86de794a3463548a3
- MD5 b1b1f3740b0ee78deeb1474092d885c0
- SHA1 1577f2853b6e72a4448ce85e0166be0ea6f728fd
- SHA512 dfa8a1efd446894cba53652006486c5979654e4af80f77598364bec2862a0d3d77bdfa9e2310342af36a476057efdbfdb9cdbf66ba33a18dcb3de4c55f1f1014
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Extracted
Family
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hancitor
Botnet
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0109_iqwnm
C2
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http://asinvotheir.com/8/forum.php
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http://ditrismale.ru/8/forum.php
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http://clatrommon.ru/8/forum.php
Signatures
- Hancitor
Hancitor is downloader used to deliver other malware families.
- 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 3816 740 rundll32.exe 67 - Blocklisted process makes network request 2 IoCs
flow pid Process 28 4016 rundll32.exe 30 4016 rundll32.exe - Loads dropped DLL 1 IoCs
pid Process 4016 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 27 api.ipify.org - Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 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 2 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Local\Temp\{837D0634-424C-4E76-BBF2-F80A2803BBCF}\glib.bax:Zone.Identifier WINWORD.EXE File opened for modification C:\Users\Admin\AppData\Local\Temp\{837D0634-424C-4E76-BBF2-F80A2803BBCF}\jjy.dll:Zone.Identifier WINWORD.EXE - Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 740 WINWORD.EXE 740 WINWORD.EXE - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4016 rundll32.exe 4016 rundll32.exe - Suspicious use of SetWindowsHookEx 16 IoCs
pid Process 740 WINWORD.EXE 740 WINWORD.EXE 740 WINWORD.EXE 740 WINWORD.EXE 740 WINWORD.EXE 740 WINWORD.EXE 740 WINWORD.EXE 740 WINWORD.EXE 740 WINWORD.EXE 740 WINWORD.EXE 740 WINWORD.EXE 740 WINWORD.EXE 740 WINWORD.EXE 740 WINWORD.EXE 740 WINWORD.EXE 740 WINWORD.EXE - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 740 wrote to memory of 8 740 WINWORD.EXE 75 PID 740 wrote to memory of 8 740 WINWORD.EXE 75 PID 740 wrote to memory of 3816 740 WINWORD.EXE 81 PID 740 wrote to memory of 3816 740 WINWORD.EXE 81 PID 3816 wrote to memory of 4016 3816 rundll32.exe 82 PID 3816 wrote to memory of 4016 3816 rundll32.exe 82 PID 3816 wrote to memory of 4016 3816 rundll32.exe 82
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\0902_7410370744.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:740 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:8
-
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C:\Windows\SYSTEM32\rundll32.exerundll32 c:\users\admin\appdata\roaming\microsoft\templates\yefff.dll,VVNOUNDWUMR2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:3816 -
C:\Windows\SysWOW64\rundll32.exerundll32 c:\users\admin\appdata\roaming\microsoft\templates\yefff.dll,VVNOUNDWUMR3⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:4016
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