b68db8b09fc64980340e04eccc05b23d9b5fee867a82d14428363ff3b2fe3f22

Analysis

max time kernel
140s
max time network
121s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
29-12-2023 22:18

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General

Target

056d10946ae4d48d6088e7043267dfda.exe
Size

49KB
MD5

056d10946ae4d48d6088e7043267dfda
SHA1

ec863e9fc4b8f0f5e0dad43a239ca8c345ebc9e5
SHA256

b68db8b09fc64980340e04eccc05b23d9b5fee867a82d14428363ff3b2fe3f22
SHA512

c0b7d4dcfc2f6028cb21c9f87a8824e9ef9678f25bd4aeb764790a89fced4ba53758f5aa121992530e62f0666c8ee40eaf473d9b7f1e378c0c3057dd97fdfd68
SSDEEP

768:FARo7Alq+FSGiteq5JqRCeWYqsc0mY105f0f1B6Tu+WYK6gf+VOB3UC2cXasfM:TAl6+PRCvYxc0x108b6fnG+23EcX2

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "userinit.exe,C:\\Windows\\system32\\ntos.exe,"	056d10946ae4d48d6088e7043267dfda.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\ntos.exe	056d10946ae4d48d6088e7043267dfda.exe
File created	C:\Windows\SysWOW64\ntos.exe	056d10946ae4d48d6088e7043267dfda.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2548	056d10946ae4d48d6088e7043267dfda.exe
2548	056d10946ae4d48d6088e7043267dfda.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2548	056d10946ae4d48d6088e7043267dfda.exe

C:\Users\Admin\AppData\Local\Temp\056d10946ae4d48d6088e7043267dfda.exe
"C:\Users\Admin\AppData\Local\Temp\056d10946ae4d48d6088e7043267dfda.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2548

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2548-1-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/2548-0-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/2548-6-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download