b484d80a99b9fcd1f060955d2ee645c2a3ad04ad7c51f29121ba28b21e524557

Analysis

max time kernel
150s
max time network
126s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25-01-2024 17:33

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General

Target

751abbc5a0f05d1b820100cb82287e01.exe
Size

3.3MB
MD5

751abbc5a0f05d1b820100cb82287e01
SHA1

6ca1803f032645ccadee25198bc6426e7699def9
SHA256

b484d80a99b9fcd1f060955d2ee645c2a3ad04ad7c51f29121ba28b21e524557
SHA512

1634e4a48d4cefade4c2e39669ff2805ec98993976651562ad5541ee187ae0d19f931de9963a5a43984633b7ebcbdfd33c1c84e757b879ae50fcdddc36625372
SSDEEP

98304:leo85rX27B2nUTRUDMVHiJy5ORUxkye6BRWLyDlb:lZHdaeUII8OYR

Score

8^/10

evasion persistence

Malware Config

Signatures

Modifies Windows Firewall 2 TTPs 1 IoCs
evasion

Windows Service
T1543.003

Disable or Modify System Firewall
T1562.004

Processes:

netsh.exe

pid process

2752 netsh.exe

pid	process
2752	netsh.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

751abbc5a0f05d1b820100cb82287e01.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows32 = "C:\\Arquivos de programas\\Windows32.exe"	751abbc5a0f05d1b820100cb82287e01.exe

Drops file in System32 directory 1 IoCs

Processes:

751abbc5a0f05d1b820100cb82287e01.exe

description ioc process

File created C:\Windows\SysWOW64\reg_0001.txt 751abbc5a0f05d1b820100cb82287e01.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

751abbc5a0f05d1b820100cb82287e01.exe

pid process

2448 751abbc5a0f05d1b820100cb82287e01.exe

description	ioc	process
File created	C:\Windows\SysWOW64\reg_0001.txt	751abbc5a0f05d1b820100cb82287e01.exe

pid	process
2448	751abbc5a0f05d1b820100cb82287e01.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

751abbc5a0f05d1b820100cb82287e01.exe

description	pid	process	target process
PID 2448 wrote to memory of 2752	2448	751abbc5a0f05d1b820100cb82287e01.exe	netsh.exe
PID 2448 wrote to memory of 2752	2448	751abbc5a0f05d1b820100cb82287e01.exe	netsh.exe
PID 2448 wrote to memory of 2752	2448	751abbc5a0f05d1b820100cb82287e01.exe	netsh.exe
PID 2448 wrote to memory of 2752	2448	751abbc5a0f05d1b820100cb82287e01.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\751abbc5a0f05d1b820100cb82287e01.exe
"C:\Users\Admin\AppData\Local\Temp\751abbc5a0f05d1b820100cb82287e01.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2448

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram C:\Arquivos de programas\Windows32.exe RPC
2⤵
- Modifies Windows Firewall
PID:2752

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2448-0-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2448-2-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download