36890fe9a88e28810ae84c3aab8741a631ab2e1d7b5c32afc9b63490dcff0dc0

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
22-05-2024 20:41

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General

Target

36890fe9a88e28810ae84c3aab8741a631ab2e1d7b5c32afc9b63490dcff0dc0.dll
Size

8KB
MD5

090e76e5c46511e09cb75b54411ecd30
SHA1

8d88930de24acd7886d31604be68e35700cad54e
SHA256

36890fe9a88e28810ae84c3aab8741a631ab2e1d7b5c32afc9b63490dcff0dc0
SHA512

740e6fd115244af5e711d75f3950a55c77a0a93c1f8c0c0dfbf43b96f5fd6025000a68e892466d89abc2b255b0f2305f2b2bc03353f129d96632bc563ee9d914
SSDEEP

192:Oh4SFyvWohE5xf6YUBSL63SUJqtMblWN:OO+ohE2B13NJqtM

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

rundll32.exe

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

Processes:

rundll32.exe

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

Processes:

rundll32.exe

description	pid	process	target process
PID 4840 wrote to memory of 4820	4840	rundll32.exe	rundll32.exe
PID 4840 wrote to memory of 4820	4840	rundll32.exe	rundll32.exe
PID 4840 wrote to memory of 4820	4840	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\36890fe9a88e28810ae84c3aab8741a631ab2e1d7b5c32afc9b63490dcff0dc0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4840

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\36890fe9a88e28810ae84c3aab8741a631ab2e1d7b5c32afc9b63490dcff0dc0.dll,#1
2⤵
- Adds Run key to start application
- Drops file in System32 directory
PID:4820

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/4820-0-0x0000000010000000-0x000000001000D000-memory.dmp

Filesize
52KB

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