hancitor | 25b1a6b2d713499b4d483d782626ff8f8622bfa1b078a6641d2efbe615db1ffd

Analysis

max time kernel
109s
max time network
150s
platform
windows10_x64
resource
win10v20210410
submitted
03/08/2021, 15:35

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General

Target
25b1a6b2d713499b4d483d782626ff8f8622bfa1b078a6641d2efbe615db1ffd.doc
Size 539KB
Sample210803-29ffrjg6ea
SHA256 25b1a6b2d713499b4d483d782626ff8f8622bfa1b078a6641d2efbe615db1ffd
MD5 c6a955feba1b9e85859176043a1a274c
SHA1 31e397116cb4a2ec8188f9b51c0b980389031689
SHA512 8c06e70f6b85011f82ef45fc9f605722b4a6037aea8340482dbafd68bbd647a69fbd028fbb9cbf69f7b4250de65013cb76a8c082af746b67f7d68d47a56451bf
MD5 SHA1 SHA512

Score

10^/10

hancitor 0308_spnv5 downloader

Malware Config

Extracted

Family

hancitor

Botnet

0308_spnv5

http://priekornat.com/8/forum.php
http://stionsomi.ru/8/forum.php
http://arviskeist.ru/8/forum.php

Signatures

Hancitor
Hancitor is downloader used to deliver other malware families.
downloader hancitor

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	2596	3980	rundll32.exe	32

Blocklisted process makes network request 5 IoCs

flow	pid	Process
24	3844	rundll32.exe
26	3844	rundll32.exe
33	3844	rundll32.exe
35	3844	rundll32.exe
37	3844	rundll32.exe

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
3844	rundll32.exe
3844	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
23	api.ipify.org

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

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

Query Registry

T1012

System Information Discovery

T1082

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 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Local\Temp\{C228D9A4-9CA4-434B-9A55-5B79D27A301A}\qq.fax:Zone.Identifier	WINWORD.EXE
File opened for modification	C:\Users\Admin\AppData\Local\Temp\{C228D9A4-9CA4-434B-9A55-5B79D27A301A}\ter.dll:Zone.Identifier	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
3980	WINWORD.EXE
3980	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3844	rundll32.exe
3844	rundll32.exe

Suspicious use of SetWindowsHookEx 16 IoCs

pid	Process
3980	WINWORD.EXE
3980	WINWORD.EXE
3980	WINWORD.EXE
3980	WINWORD.EXE
3980	WINWORD.EXE
3980	WINWORD.EXE
3980	WINWORD.EXE
3980	WINWORD.EXE
3980	WINWORD.EXE
3980	WINWORD.EXE
3980	WINWORD.EXE
3980	WINWORD.EXE
3980	WINWORD.EXE
3980	WINWORD.EXE
3980	WINWORD.EXE
3980	WINWORD.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3980 wrote to memory of 1656	3980	WINWORD.EXE	77
PID 3980 wrote to memory of 1656	3980	WINWORD.EXE	77
PID 3980 wrote to memory of 2596	3980	WINWORD.EXE	80
PID 3980 wrote to memory of 2596	3980	WINWORD.EXE	80
PID 2596 wrote to memory of 3844	2596	rundll32.exe	81
PID 2596 wrote to memory of 3844	2596	rundll32.exe	81
PID 2596 wrote to memory of 3844	2596	rundll32.exe	81
PID 3844 wrote to memory of 4076	3844	rundll32.exe	86
PID 3844 wrote to memory of 4076	3844	rundll32.exe	86
PID 3844 wrote to memory of 4076	3844	rundll32.exe	86

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\25b1a6b2d713499b4d483d782626ff8f8622bfa1b078a6641d2efbe615db1ffd.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:3980
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:1656
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 c:\users\admin\appdata\roaming\microsoft\templates\ier.dll,NXYSYMIUJMD
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:2596
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32 c:\users\admin\appdata\roaming\microsoft\templates\ier.dll,NXYSYMIUJMD
    3⤵
    - Blocklisted process makes network request
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:3844
  - - C:\Windows\SysWOW64\svchost.exe
      C:\Windows\System32\svchost.exe
      4⤵
      PID:4076

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3844-300-0x0000000000510000-0x0000000000518000-memory.dmp

Download

memory/3844-301-0x00000000007A0000-0x00000000007AA000-memory.dmp

Download

memory/3844-299-0x0000000000A10000-0x0000000000AB7000-memory.dmp

Download

memory/3980-116-0x00007FFF0E020000-0x00007FFF0E030000-memory.dmp

Download

memory/3980-117-0x00007FFF0E020000-0x00007FFF0E030000-memory.dmp

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memory/3980-119-0x00007FFF0E020000-0x00007FFF0E030000-memory.dmp

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memory/3980-122-0x00007FFF29CE0000-0x00007FFF2ADCE000-memory.dmp

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memory/3980-115-0x00007FFF0E020000-0x00007FFF0E030000-memory.dmp

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memory/3980-118-0x00007FFF2F950000-0x00007FFF32473000-memory.dmp

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memory/3980-114-0x00007FFF0E020000-0x00007FFF0E030000-memory.dmp

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memory/3980-123-0x00007FFF26FE0000-0x00007FFF28ED5000-memory.dmp

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memory/3980-395-0x00007FFF0E020000-0x00007FFF0E030000-memory.dmp

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memory/3980-396-0x00007FFF0E020000-0x00007FFF0E030000-memory.dmp

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memory/3980-397-0x00007FFF0E020000-0x00007FFF0E030000-memory.dmp

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memory/3980-398-0x00007FFF0E020000-0x00007FFF0E030000-memory.dmp

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