Analysis
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max time kernel
139s -
max time network
146s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
03/03/2021, 16:13
Static task
static1
Behavioral task
behavioral1
Sample
0303_15995446253021.doc
Resource
win7v20201028
Behavioral task
behavioral2
Sample
0303_15995446253021.doc
Resource
win10v20201028
General
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Target
0303_15995446253021.doc
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Size
775KB
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MD5
f0997b178d0a74aaf3e00089fe30624f
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SHA1
b79f4f71dbd4043ae71795e91f6e85b2af957a32
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SHA256
8770f445c501edf62c9bdf28143e6da5b55d493cac5797b6ecdd81775f76e0da
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SHA512
bfa79cff532419a307ce780d4d8ce270adce30c77377ee3a6bd426850507c4736566cfde632875d6d2c139b8c5c27d821e408edf7a7a2fd4bfaee33844d5b960
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 3036 652 rundll32.exe 67 -
Blocklisted process makes network request 3 IoCs
flow pid Process 34 1944 rundll32.exe 37 1944 rundll32.exe 39 1944 rundll32.exe -
Loads dropped DLL 1 IoCs
pid Process 1944 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 33 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1944 set thread context of 1324 1944 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 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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE -
NTFS ADS 1 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Local\Temp\{87EA52E2-E9C2-4F9A-94D2-CA1CBF961DFF}\msals.pumpl:Zone.Identifier WINWORD.EXE -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 652 WINWORD.EXE 652 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1944 rundll32.exe 1944 rundll32.exe -
Suspicious use of SetWindowsHookEx 17 IoCs
pid Process 652 WINWORD.EXE 652 WINWORD.EXE 652 WINWORD.EXE 652 WINWORD.EXE 652 WINWORD.EXE 652 WINWORD.EXE 652 WINWORD.EXE 652 WINWORD.EXE 652 WINWORD.EXE 652 WINWORD.EXE 652 WINWORD.EXE 652 WINWORD.EXE 652 WINWORD.EXE 652 WINWORD.EXE 652 WINWORD.EXE 652 WINWORD.EXE 652 WINWORD.EXE -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 652 wrote to memory of 2568 652 WINWORD.EXE 77 PID 652 wrote to memory of 2568 652 WINWORD.EXE 77 PID 652 wrote to memory of 3036 652 WINWORD.EXE 79 PID 652 wrote to memory of 3036 652 WINWORD.EXE 79 PID 3036 wrote to memory of 1944 3036 rundll32.exe 80 PID 3036 wrote to memory of 1944 3036 rundll32.exe 80 PID 3036 wrote to memory of 1944 3036 rundll32.exe 80 PID 1944 wrote to memory of 1324 1944 rundll32.exe 84 PID 1944 wrote to memory of 1324 1944 rundll32.exe 84 PID 1944 wrote to memory of 1324 1944 rundll32.exe 84 PID 1944 wrote to memory of 1324 1944 rundll32.exe 84 PID 1944 wrote to memory of 1324 1944 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_15995446253021.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:652 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:2568
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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:3036 -
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:1944 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\System32\svchost.exe4⤵PID:1324
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