de4b5248a042c78c6a8756039dfc2c61ebe10c13bf3a114f4a5e9e18353bc6f6

Analysis

max time kernel
118s
max time network
136s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
10-01-2024 02:16

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General

Target

4f5063ebea6b207a464d14059f40d5e6.dll
Size

224KB
MD5

4f5063ebea6b207a464d14059f40d5e6
SHA1

21e128c601096993c11dd4eb089a6461519e2f8c
SHA256

de4b5248a042c78c6a8756039dfc2c61ebe10c13bf3a114f4a5e9e18353bc6f6
SHA512

22da20074b345b441df581cf9ee1ef0999b971424d0fe3fa5e0e66359430d157c580eaf8d9e6669d566bcbefc5d8ce3db65e40fd6df15048506dded10ac367f4
SSDEEP

3072:JFEo69XHiOMh1iji3KFDtvvAHpI+RpmednfpW7Vjuu/zZt3k+U:MxYSDwHuGfQRjuurLk

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\mgxfebsq = "{91A26B21-F9A8-41A7-B94F-8907BA546937}"	rundll32.exe

Modifies registry class 5 IoCs

description	ioc	Process
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\{91A26B21-F9A8-41A7-B94F-8907BA546937}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{91A26B21-F9A8-41A7-B94F-8907BA546937}\InProcServer32\ = "C:\\Windows\\mgxfebsq.dll"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{91A26B21-F9A8-41A7-B94F-8907BA546937}\InProcServer32	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2152 wrote to memory of 2416	2152	rundll32.exe	27
PID 2152 wrote to memory of 2416	2152	rundll32.exe	27
PID 2152 wrote to memory of 2416	2152	rundll32.exe	27
PID 2152 wrote to memory of 2416	2152	rundll32.exe	27
PID 2152 wrote to memory of 2416	2152	rundll32.exe	27
PID 2152 wrote to memory of 2416	2152	rundll32.exe	27
PID 2152 wrote to memory of 2416	2152	rundll32.exe	27

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4f5063ebea6b207a464d14059f40d5e6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2152
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4f5063ebea6b207a464d14059f40d5e6.dll,#1
  2⤵
  - Adds autorun key to be loaded by Explorer.exe on startup
  - Modifies registry class
  PID:2416

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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