Analysis
- max time kernel
107s - max time network
153s - platform
windows10_x64 - resource
win10v20210410 - submitted
19/08/2021, 04:28
General
- Target 0818_1715427111.doc
- Size 612KB
- Sample210819-kak39crabe
- SHA256 2ae278b49a16340323666bc486a2686491391374365393142e44a25c16b29465
Malware Config
Extracted
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hancitor
-
1808_plfr
-
http://madmilons.com/8/forum.php
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http://counteent.ru/8/forum.php
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http://simatereare.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.
- Blocklisted process makes network request 2 IoCs
- Loads dropped DLL 1 IoCs
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- 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
- NTFS ADS 2 IoCs
- Suspicious behavior: AddClipboardFormatListener 2 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of SetWindowsHookEx 15 IoCs
- Suspicious use of WriteProcessMemory 7 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\0818_1715427111.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
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C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵
-
-
C:\Windows\SYSTEM32\rundll32.exerundll32 c:\users\admin\appdata\roaming\microsoft\templates\yefff.dll,DJJEQGVHMRG2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exerundll32 c:\users\admin\appdata\roaming\microsoft\templates\yefff.dll,DJJEQGVHMRG3⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
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-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/2448-299-0x0000000003330000-0x000000000333A000-memory.dmp
memory/2448-298-0x0000000003310000-0x0000000003318000-memory.dmp
memory/3904-122-0x00007FF83F100000-0x00007FF8401EE000-memory.dmp
memory/3904-114-0x00007FF824490000-0x00007FF8244A0000-memory.dmp
memory/3904-123-0x00007FF83D200000-0x00007FF83F0F5000-memory.dmp
memory/3904-118-0x00007FF8458D0000-0x00007FF8483F3000-memory.dmp
memory/3904-119-0x00007FF824490000-0x00007FF8244A0000-memory.dmp
memory/3904-117-0x00007FF824490000-0x00007FF8244A0000-memory.dmp
memory/3904-116-0x00007FF824490000-0x00007FF8244A0000-memory.dmp
memory/3904-115-0x00007FF824490000-0x00007FF8244A0000-memory.dmp