Analysis
- max time kernel
136s - max time network
138s - platform
windows10_x64 - resource
win10v20210410 - submitted
23/06/2021, 17:57
Static task
static1
Behavioral task
behavioral1
Sample
file.doc
Resource
win7v20210408
Behavioral task
behavioral2
Sample
file.doc
Resource
win10v20210410
General
- Target file.doc
- Size 1.3MB
- Sample210623-nrwltdtmme
- SHA256 29f264a49e3bdc0f16cf04918cd24b563305c615fb624dd329bacc8ac6376d18
- MD5 0013dcfdce86f637298eeee9746e1fee
- SHA1 746e1e9198124a2fb322b6b8baf7a8e1f77a701f
- SHA512 ab24caf81646741bbd9e31e649c647611754e8c74171723b59a5b5ee5c92afd20cc2d15018387fdd79af4b414554a4020b78deebf0c855b1a196aa346c8409ba
- MD5 SHA1 SHA512
Malware Config
Extracted
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hancitor
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2306_vensip
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http://extilivelly.com/8/forum.php
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http://cludimetifte.ru/8/forum.php
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http://sakincesed.ru/8/forum.php
Extracted
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fickerstealer
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pospvisis.com:80
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 1820 3560 rundll32.exe 68 - fickerstealer
Ficker is an infostealer written in Rust and ASM.
- Blocklisted process makes network request 4 IoCs
flow pid Process 18 2576 rundll32.exe 24 2576 rundll32.exe 27 2576 rundll32.exe 41 2576 rundll32.exe - Downloads MZ/PE file
- Loads dropped DLL 1 IoCs
pid Process 2576 rundll32.exe - Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- 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 16 api.ipify.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2576 set thread context of 3172 2576 rundll32.exe 82 - Checks processor information in registry 2 TTPs 5 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 Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString svchost.exe - Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE - NTFS ADS 1 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Local\Temp\{CF192811-01C5-4968-B2E4-75549CE04186}\kiks.dll:Zone.Identifier WINWORD.EXE - Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 3560 WINWORD.EXE 3560 WINWORD.EXE - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2576 rundll32.exe 2576 rundll32.exe 3172 svchost.exe 3172 svchost.exe 2576 rundll32.exe 2576 rundll32.exe - Suspicious use of SetWindowsHookEx 14 IoCs
pid Process 3560 WINWORD.EXE 3560 WINWORD.EXE 3560 WINWORD.EXE 3560 WINWORD.EXE 3560 WINWORD.EXE 3560 WINWORD.EXE 3560 WINWORD.EXE 3560 WINWORD.EXE 3560 WINWORD.EXE 3560 WINWORD.EXE 3560 WINWORD.EXE 3560 WINWORD.EXE 3560 WINWORD.EXE 3560 WINWORD.EXE - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 3560 wrote to memory of 1912 3560 WINWORD.EXE 76 PID 3560 wrote to memory of 1912 3560 WINWORD.EXE 76 PID 3560 wrote to memory of 1820 3560 WINWORD.EXE 77 PID 3560 wrote to memory of 1820 3560 WINWORD.EXE 77 PID 1820 wrote to memory of 2576 1820 rundll32.exe 78 PID 1820 wrote to memory of 2576 1820 rundll32.exe 78 PID 1820 wrote to memory of 2576 1820 rundll32.exe 78 PID 2576 wrote to memory of 3172 2576 rundll32.exe 82 PID 2576 wrote to memory of 3172 2576 rundll32.exe 82 PID 2576 wrote to memory of 3172 2576 rundll32.exe 82 PID 2576 wrote to memory of 3172 2576 rundll32.exe 82 PID 2576 wrote to memory of 3172 2576 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\file.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:3560 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:1912
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C:\Windows\System32\rundll32.exe"C:\Windows\System32\rundll32.exe" c:\users\admin\appdata\roaming\microsoft\templates\kikus.dll,OFCBWXTHRNL2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:1820 -
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" c:\users\admin\appdata\roaming\microsoft\templates\kikus.dll,OFCBWXTHRNL3⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2576 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\System32\svchost.exe4⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:3172
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