537f73062623a661163152ce61c683406790fe1b2a95e3fe9adf91ee2004e504

Analysis

max time kernel
96s
max time network
103s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02/10/2024, 11:29

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General

Target

537f73062623a661163152ce61c683406790fe1b2a95e3fe9adf91ee2004e504N.dll
Size

8KB
MD5

13db19795676155fdcbce7771c3ff8c0
SHA1

a693d78a132399d924764eec2515693e8e22e998
SHA256

537f73062623a661163152ce61c683406790fe1b2a95e3fe9adf91ee2004e504
SHA512

d29192f485ad4b39ebae5a891ac7b399a6cca8da71a0d25e8720e39e40825d7330055e9fb5dd65ad20a390087fae5f2ff53d07284e5440f1d7d9060ba49c65c2
SSDEEP

192:Wh4SFyvWohE5xf6YUBSL63SUJqtMblWN:WO+ohE2B13NJqtM

Score

6^/10

discovery 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

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

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1100 wrote to memory of 4432	1100	rundll32.exe	82
PID 1100 wrote to memory of 4432	1100	rundll32.exe	82
PID 1100 wrote to memory of 4432	1100	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\537f73062623a661163152ce61c683406790fe1b2a95e3fe9adf91ee2004e504N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1100
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\537f73062623a661163152ce61c683406790fe1b2a95e3fe9adf91ee2004e504N.dll,#1
  2⤵
  - Adds Run key to start application
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:4432

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4432-0-0x0000000010000000-0x000000001000D000-memory.dmp

Filesize
52KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads