c45eb0f8bcad12ac47566c048e33ab36152b5f8e12f34a0d8b3f7a00d6180387

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
01/12/2022, 18:07

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General

Target

c45eb0f8bcad12ac47566c048e33ab36152b5f8e12f34a0d8b3f7a00d6180387.exe
Size

14KB
MD5

41d37ea07c5237c87ef69336b1e530be
SHA1

1b7e9517327c5dd0d22a46f6728e81936c4a41fa
SHA256

c45eb0f8bcad12ac47566c048e33ab36152b5f8e12f34a0d8b3f7a00d6180387
SHA512

73390d5b51fc5f2f227c562c38c131ff10205b9c6df10cc8cf44375aa8a348a5140f94e5766c22dba556a2c2eac53d525af6deacf3a43e26a565454cfc1ac086
SSDEEP

384:CcfGqHxrz554Ep/oehlanftPzY1RkeZ+JC:C8GOxrX4E9llanfF01RkY+J

Score

7^/10

persistence

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
5108	c45eb0f8bcad12ac47566c048e33ab36152b5f8e12f34a0d8b3f7a00d6180387.exe

Modifies WinLogon 2 TTPs 8 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\kdufroa\Impersonate = "1"	c45eb0f8bcad12ac47566c048e33ab36152b5f8e12f34a0d8b3f7a00d6180387.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\kdufroa\Asynchronous = "1"	c45eb0f8bcad12ac47566c048e33ab36152b5f8e12f34a0d8b3f7a00d6180387.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\kdufroa\MaxWait = "1"	c45eb0f8bcad12ac47566c048e33ab36152b5f8e12f34a0d8b3f7a00d6180387.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\kdufroa\zmakjuui = 47e7fcb91e9df3e7b947	c45eb0f8bcad12ac47566c048e33ab36152b5f8e12f34a0d8b3f7a00d6180387.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\kdufroa	c45eb0f8bcad12ac47566c048e33ab36152b5f8e12f34a0d8b3f7a00d6180387.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify	c45eb0f8bcad12ac47566c048e33ab36152b5f8e12f34a0d8b3f7a00d6180387.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\kdufroa\DllName = "C:\\Users\\Admin\\AppData\\Local\\kdufroa.dll"	c45eb0f8bcad12ac47566c048e33ab36152b5f8e12f34a0d8b3f7a00d6180387.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\kdufroa\Startup = "kdufroa"	c45eb0f8bcad12ac47566c048e33ab36152b5f8e12f34a0d8b3f7a00d6180387.exe

C:\Users\Admin\AppData\Local\Temp\c45eb0f8bcad12ac47566c048e33ab36152b5f8e12f34a0d8b3f7a00d6180387.exe
"C:\Users\Admin\AppData\Local\Temp\c45eb0f8bcad12ac47566c048e33ab36152b5f8e12f34a0d8b3f7a00d6180387.exe"
1⤵
- Loads dropped DLL
- Modifies WinLogon
PID:5108

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

T1004

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

C:\Users\Admin\AppData\Local\kdufroa.dll

Filesize
15KB

MD5
3d671c6ed6249170ac15c9076a8a8b51

SHA1
170e52462f3dbadc1bf5e9b35dd25604d747d415

SHA256
7b3240a0342ebad54aaf086c340f0f30c51f81fd048902799a3e94f268f33deb

SHA512
8fd9f306f442256851e1839c39607d335c5379488cfde917ee8c13f8755bc9bb010dd9cd77b99d672cbcbb5bf88ae46bef74078cc5eaf2b75146ccccd2c41992

Download Submit
memory/5108-132-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5108-134-0x0000000010000000-0x0000000010012000-memory.dmp

Filesize
72KB

Download
memory/5108-135-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5108-136-0x0000000010000000-0x0000000010012000-memory.dmp

Filesize
72KB

Download