dd457aa3956830c93908c42a4ac80a6d0abb8607087263e31d99f8e2e4779c2c

Analysis

max time kernel
122s
max time network
127s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
06/03/2024, 13:53

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General

Target

b78fb522cc3c76fb6f12f814a73866be.dll
Size

176KB
MD5

b78fb522cc3c76fb6f12f814a73866be
SHA1

2f487d01a43e17c8f087f74377b28a8bc211ec9e
SHA256

dd457aa3956830c93908c42a4ac80a6d0abb8607087263e31d99f8e2e4779c2c
SHA512

1b5c897870fe38da427d7ed7bae0d4c615a12642934d024d1055c090714cfd0e83e0a06dd7cce7063899cc8bf085e0f8cf4f05246c8e37ffebb72a0a55e9e337
SSDEEP

3072:/YZEwY0KGQhqtcNPZJNxt2U+rqHG+vRoWerDP8e1ZTOmtfyP:/m7tWDmrKvitO0C

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\qegbdmwf = "{2D6751B2-1575-429C-810D-E17A3DA12445}"	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\{2D6751B2-1575-429C-810D-E17A3DA12445}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2D6751B2-1575-429C-810D-E17A3DA12445}\InProcServer32\ = "C:\\Windows\\qegbdmwf.dll"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2D6751B2-1575-429C-810D-E17A3DA12445}\InProcServer32	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2208 wrote to memory of 1280	2208	rundll32.exe	28
PID 2208 wrote to memory of 1280	2208	rundll32.exe	28
PID 2208 wrote to memory of 1280	2208	rundll32.exe	28
PID 2208 wrote to memory of 1280	2208	rundll32.exe	28
PID 2208 wrote to memory of 1280	2208	rundll32.exe	28
PID 2208 wrote to memory of 1280	2208	rundll32.exe	28
PID 2208 wrote to memory of 1280	2208	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b78fb522cc3c76fb6f12f814a73866be.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2208
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b78fb522cc3c76fb6f12f814a73866be.dll,#1
  2⤵
  - Adds autorun key to be loaded by Explorer.exe on startup
  - Modifies registry class
  PID:1280

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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