hancitor | 42d9fc8acb6df395cd148157f2410185572ef2adf04b4fe1eb2242c924d517ae

Analysis

max time kernel
282s
max time network
294s
platform
windows10_x64
resource
win10-en
submitted
08/09/2021, 14:42

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General

Target
0908_3674663753075.doc
Size 521KB
Sample210908-r29ynaefd9
SHA256 42d9fc8acb6df395cd148157f2410185572ef2adf04b4fe1eb2242c924d517ae
MD5 8be8ded3d3e3d02a63b0f8883710464b
SHA1 57aa47194e255f4298ec2abf564b8140891dda34
SHA512 5ea43d88f3931dc6a91a2ca7fe16956134af615289d3275ce32bdb14bbf710b34f4f9439fc082311e2234d9f5d932c1bddad9ddcd60f0ae3e56027a35a21b337
MD5 SHA1 SHA512

Score

10^/10

hancitor 0709_baxc7 downloader

Malware Config

Extracted

Family

hancitor

Botnet

0709_baxc7

http://takitrisexp.ru/8/forum.php
http://olocratim.ru/8/forum.php
http://kedaeclas.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	2776	4476	rundll32.exe	68

Blocklisted process makes network request 4 IoCs

flow	pid	Process
23	2844	rundll32.exe
25	2844	rundll32.exe
35	2844	rundll32.exe
36	2844	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
2844	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
22	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 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\{147B2F8E-3590-4EBE-9103-718DEAA6F644}\reform.ioe:Zone.Identifier	WINWORD.EXE
File opened for modification	C:\Users\Admin\AppData\Local\Temp\{147B2F8E-3590-4EBE-9103-718DEAA6F644}\hhh.mp3:Zone.Identifier	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
4476	WINWORD.EXE
4476	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2844	rundll32.exe
2844	rundll32.exe
2844	rundll32.exe
2844	rundll32.exe
2844	rundll32.exe
2844	rundll32.exe

Suspicious use of SetWindowsHookEx 16 IoCs

pid	Process
4476	WINWORD.EXE
4476	WINWORD.EXE
4476	WINWORD.EXE
4476	WINWORD.EXE
4476	WINWORD.EXE
4476	WINWORD.EXE
4476	WINWORD.EXE
4476	WINWORD.EXE
4476	WINWORD.EXE
4476	WINWORD.EXE
4476	WINWORD.EXE
4476	WINWORD.EXE
4476	WINWORD.EXE
4476	WINWORD.EXE
4476	WINWORD.EXE
4476	WINWORD.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4476 wrote to memory of 4288	4476	WINWORD.EXE	76
PID 4476 wrote to memory of 4288	4476	WINWORD.EXE	76
PID 4476 wrote to memory of 2776	4476	WINWORD.EXE	77
PID 4476 wrote to memory of 2776	4476	WINWORD.EXE	77
PID 2776 wrote to memory of 2844	2776	rundll32.exe	78
PID 2776 wrote to memory of 2844	2776	rundll32.exe	78
PID 2776 wrote to memory of 2844	2776	rundll32.exe	78

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\0908_3674663753075.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:4476
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:4288
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32.exe c:\users\admin\appdata\roaming\microsoft\templates\hhhh.mp3,PKADTGUDFDW
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:2776
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe c:\users\admin\appdata\roaming\microsoft\templates\hhhh.mp3,PKADTGUDFDW
    3⤵
    - Blocklisted process makes network request
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    PID:2844

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/2844-302-0x0000000002C00000-0x0000000002D4A000-memory.dmp

Download

memory/2844-301-0x00000000029F0000-0x00000000029F8000-memory.dmp

Download

memory/4476-124-0x00007FF9AE1A0000-0x00007FF9B0095000-memory.dmp

Download

memory/4476-115-0x00007FF994F50000-0x00007FF994F60000-memory.dmp

Download

memory/4476-123-0x00007FF9B13D0000-0x00007FF9B24BE000-memory.dmp

Download

memory/4476-120-0x00007FF9B6100000-0x00007FF9B8C23000-memory.dmp

Download

memory/4476-119-0x00007FF994F50000-0x00007FF994F60000-memory.dmp

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memory/4476-118-0x00007FF994F50000-0x00007FF994F60000-memory.dmp

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memory/4476-117-0x00007FF994F50000-0x00007FF994F60000-memory.dmp

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memory/4476-116-0x00007FF994F50000-0x00007FF994F60000-memory.dmp

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memory/4476-394-0x00007FF994F50000-0x00007FF994F60000-memory.dmp

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memory/4476-395-0x00007FF994F50000-0x00007FF994F60000-memory.dmp

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memory/4476-396-0x00007FF994F50000-0x00007FF994F60000-memory.dmp

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memory/4476-397-0x00007FF994F50000-0x00007FF994F60000-memory.dmp

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