0402b87a2c6f7d19cd5414b4f65681771f0f27d0bc578403d186d2c007fcd36b

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
04/04/2024, 18:13

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General

Target
0402b87a2c6f7d19cd5414b4f65681771f0f27d0bc578403d186d2c007fcd36b.dll
Size 8KB
Sample240404-wtsfvsfb27
SHA256 0402b87a2c6f7d19cd5414b4f65681771f0f27d0bc578403d186d2c007fcd36b
MD5 0c6301f3e8c58bfd5d4251be71dcb5eb
SHA1 173c0ac0e9dfd5987d36363c0079e2f27ef33fe0
SHA512 e220e56480f134b721f5d277735cf4b7fad82eed8165f4be260c8812a9a89af04438342ef0c2f6f23e96e53b31ea20eae569a43b1c02692685fe90207cc36c15
SSDEEP 192:7h4SFyvWohE5xf6YUBSL63SUJqtMblWN:7O+ohE2B13NJqtM
MD5 SHA1 SHA512 SSDEEP

Score

9^/10

persistence

Malware Config

Signatures

UPX dump on OEP (original entry point) 1 IoCs

resource	yara_rule
behavioral2/memory/4984-2-0x0000000010000000-0x000000001000D000-memory.dmp	UPX

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ctfmen = "C:\\Windows\\system32\\ctfmen.exe"	rundll32.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\satornas.dll	rundll32.exe
File opened for modification	C:\Windows\SysWOW64\satornas.dll	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1836 wrote to memory of 4984	1836	rundll32.exe	86
PID 1836 wrote to memory of 4984	1836	rundll32.exe	86
PID 1836 wrote to memory of 4984	1836	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0402b87a2c6f7d19cd5414b4f65681771f0f27d0bc578403d186d2c007fcd36b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1836
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\0402b87a2c6f7d19cd5414b4f65681771f0f27d0bc578403d186d2c007fcd36b.dll,#1
  2⤵
  - Adds Run key to start application
  - Drops file in System32 directory
  PID:4984

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

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4984-2-0x0000000010000000-0x000000001000D000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads