8f7bba4cb928c3b995116a5b9a5e303f74061b86952727d29db1b43f98c27804

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
02/10/2022, 12:52

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General

Target
8f7bba4cb928c3b995116a5b9a5e303f74061b86952727d29db1b43f98c27804.dll
Size 268KB
Sample221002-p4e5yshbfq
SHA256 8f7bba4cb928c3b995116a5b9a5e303f74061b86952727d29db1b43f98c27804
MD5 6351a9131a85dad788af5b3b04efbff7
SHA1 e8c88d8bf3b17ef32fa833ea2d3614571a71f56e
SHA512 cf1c1befdef7feed81a9d5b79191b668c5ddf41bf1bbc8a325bd312cbd0a321d619326fb53689f2142e884522ab19201f207a8f6845299071aaed8055d8b8a33
SSDEEP 6144:nx2Kd1I7DkuX6WMqHtsoSViniktwHVUWoS2k6SCCr84ceKs76g42H6R2myeXI4sH:ncK7IEA6WGok5k6XofeKotXH6hBXI
MD5 SHA1 SHA512 SSDEEP

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Chiduhogajimono = "rundll32.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\8f7bba4cb928c3b995116a5b9a5e303f74061b86952727d29db1b43f98c27804.dll\",Startup"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5008	rundll32.exe
5008	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5008	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1296 wrote to memory of 5008	1296	rundll32.exe	82
PID 1296 wrote to memory of 5008	1296	rundll32.exe	82
PID 1296 wrote to memory of 5008	1296	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8f7bba4cb928c3b995116a5b9a5e303f74061b86952727d29db1b43f98c27804.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1296
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8f7bba4cb928c3b995116a5b9a5e303f74061b86952727d29db1b43f98c27804.dll,#1
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:5008

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/5008-133-0x0000000010000000-0x0000000010049000-memory.dmp

Download

memory/5008-136-0x0000000002500000-0x0000000002600000-memory.dmp

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memory/5008-137-0x0000000002500000-0x0000000002600000-memory.dmp

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