9073e490a328776a2df803e27ce81e2100ecbb5897eed66c0cef25a890c3af7d

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
28/01/2024, 19:40

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General

Target

7dd5d4f9164a03e251f3683ae7c5456d.dll
Size

260KB
MD5

7dd5d4f9164a03e251f3683ae7c5456d
SHA1

3fd904fafefca4cdc0f06fd8b1dca26670a9ac47
SHA256

9073e490a328776a2df803e27ce81e2100ecbb5897eed66c0cef25a890c3af7d
SHA512

cddc613e8c882995bd9aba22d633a61714b9fe3e92e3922c14ae2d885ae4a8c227011585f14acccfd2f8cb86a27d0cf4aa834ed546aa67b77455fd44ead6a701
SSDEEP

3072:Nq6JxUqXujbo0wERcYiQwZhWIiIfYx4MA4lqwUv9+6PHQBEUZX3BxtLACwc:LxUqX5JzmwTPHQXpR3

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\sxfnewqb = "{C69013C7-4BF4-4AC6-A9EA-BE6244528FD7}"	rundll32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C69013C7-4BF4-4AC6-A9EA-BE6244528FD7}\InProcServer32	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C69013C7-4BF4-4AC6-A9EA-BE6244528FD7}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C69013C7-4BF4-4AC6-A9EA-BE6244528FD7}\InProcServer32\ = "C:\\Windows\\sxfnewqb.dll"	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1476 wrote to memory of 2176	1476	rundll32.exe	12
PID 1476 wrote to memory of 2176	1476	rundll32.exe	12
PID 1476 wrote to memory of 2176	1476	rundll32.exe	12
PID 1476 wrote to memory of 2176	1476	rundll32.exe	12
PID 1476 wrote to memory of 2176	1476	rundll32.exe	12
PID 1476 wrote to memory of 2176	1476	rundll32.exe	12
PID 1476 wrote to memory of 2176	1476	rundll32.exe	12

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7dd5d4f9164a03e251f3683ae7c5456d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1476
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7dd5d4f9164a03e251f3683ae7c5456d.dll,#1
  2⤵
  - Adds autorun key to be loaded by Explorer.exe on startup
  - Modifies registry class
  PID:2176

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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