6100bbee066de1cfd3ec92f0e4162481b34856a9242a7a9efbe8a40756f61471

Analysis

max time kernel
139s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/01/2024, 18:01

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General

Target

7803dbaf71bf9ce9853fc85b90943dd9.dll
Size

236KB
MD5

7803dbaf71bf9ce9853fc85b90943dd9
SHA1

72354a4b12fd6734dab572a95ae1fdc4b7c140fe
SHA256

6100bbee066de1cfd3ec92f0e4162481b34856a9242a7a9efbe8a40756f61471
SHA512

880d26098b19594992ae47a4614f7ced728508193727b212f17e4fcf1f22cbdfa9e271641740a397dae1c9b8aa095ebad1750212f32d42dd64e126e9d182672f
SSDEEP

3072:l0oeqseDW2L6bC7ROk3j4xj2iGSkcT5KlSbQKvjAVQUTsMuxcO/7atD6:LXWy7RZqGmKl5qA+xcy0

Score

10^/10

persistence

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 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\ShellServiceObjectDelayLoad\altvxvm = "{C366B3AE-8338-4C13-B11D-0AD756BBF11C}"	rundll32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C366B3AE-8338-4C13-B11D-0AD756BBF11C}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C366B3AE-8338-4C13-B11D-0AD756BBF11C}\InProcServer32\ = "C:\\Windows\\altvxvm.dll"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C366B3AE-8338-4C13-B11D-0AD756BBF11C}\InProcServer32	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1576 wrote to memory of 4612	1576	rundll32.exe	86
PID 1576 wrote to memory of 4612	1576	rundll32.exe	86
PID 1576 wrote to memory of 4612	1576	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7803dbaf71bf9ce9853fc85b90943dd9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1576
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7803dbaf71bf9ce9853fc85b90943dd9.dll,#1
  2⤵
  - Adds autorun key to be loaded by Explorer.exe on startup
  - Modifies registry class
  PID:4612

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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