e46ad3f0f004b17192351015302239693bf290a311a32fbbbec25dfcb97cd967

Analysis

max time kernel
150s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
24/12/2023, 16:32

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General

Target

05e35d35c8c24247e0c098fab4626222.dll
Size

236KB
MD5

05e35d35c8c24247e0c098fab4626222
SHA1

f2b4210e435df8f338c6b4f7c586e26c5b50a1fe
SHA256

e46ad3f0f004b17192351015302239693bf290a311a32fbbbec25dfcb97cd967
SHA512

53667185b940afc90497f0bb3ec4fb5ef591dcdc56443856df12afca867bdd697f0ee930622dbc0518d76750ae107ab323b5b47b58996f98da99400599597e2a
SSDEEP

1536:1dKaTHN2ymZ0ofa5uQm4V7HG8ldINh+RhFtFftCgpcGO5lPf/XG8GmGwktbs:1Y4tIQG8XAmbFfaGc1fawk1s

Score

10^/10

persistence

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\iuc = "{206b85ff-a8e3-fd38-b9f4-a8e30d77c4ab}"	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
4620	rundll32.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\vhp.dll	rundll32.exe
File opened for modification	C:\Windows\SysWOW64\vhp.dll	rundll32.exe
File created	C:\Windows\SysWOW64\dpx.dll	rundll32.exe
File opened for modification	C:\Windows\SysWOW64\dpx.dll	rundll32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{206b85ff-a8e3-fd38-b9f4-a8e30d77c4ab}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{206b85ff-a8e3-fd38-b9f4-a8e30d77c4ab}\	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{206b85ff-a8e3-fd38-b9f4-a8e30d77c4ab}\InprocServer32	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{206b85ff-a8e3-fd38-b9f4-a8e30d77c4ab}\InprocServer32\ = "C:\\Windows\\SysWow64\\dpx.dll"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{206b85ff-a8e3-fd38-b9f4-a8e30d77c4ab}\InprocServer32\ThreadingModel = "Apartment"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4620	rundll32.exe
4620	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4620	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4620	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3376 wrote to memory of 4620	3376	rundll32.exe	23
PID 3376 wrote to memory of 4620	3376	rundll32.exe	23
PID 3376 wrote to memory of 4620	3376	rundll32.exe	23

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\05e35d35c8c24247e0c098fab4626222.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3376
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\05e35d35c8c24247e0c098fab4626222.dll,#1
  2⤵
  - Adds autorun key to be loaded by Explorer.exe on startup
  - Loads dropped DLL
  - Drops file in System32 directory
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4620

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

Replay Monitor

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Downloads

C:\Windows\SysWOW64\vhp.dll

Filesize
90KB

MD5
c1577305dc2649d36aa4fc88113b28a2

SHA1
8f3099e8cf1aaa3d9cc2b53f61ea08c949eac23c

SHA256
f9aea565afc8bdcd5d824b6c10136c7a5de8e35bee51e5ac3b764e783f39755e

SHA512
e659b9dba41ab8e841b3bf655a931906a064f699916027991193946b73c9723e315021b1b33a634b7b64ca469e0ad721bee314e8f0451c1d0c8583d4743d0197

Download Submit
C:\Windows\SysWOW64\vhp.dll

Filesize
44KB

MD5
0cfdbe1c0b0fc3c2529ea8cce52ee1c6

SHA1
ded9884ba3d64a95f023cf2608c334bb0af8b7a3

SHA256
4332f3a7bf0ade8c8eb1248c77c0220349a1a4b0e9aa726a9473882c41be6c08

SHA512
2cae8e609499778b9b9147e5be69a746b50f632d0fe31c275f0101d14d716f30e25291ba328352b8be4607667fbc78a9ae62fbe5cbc2ea7c88373af3325e1366

Download Submit
memory/4620-1-0x0000000002100000-0x0000000002144000-memory.dmp

Filesize
272KB

Download
memory/4620-0-0x0000000002100000-0x0000000002144000-memory.dmp

Filesize
272KB

Download
memory/4620-8-0x00000000754A0000-0x000000007551A000-memory.dmp

Filesize
488KB

Download
memory/4620-9-0x0000000002100000-0x0000000002144000-memory.dmp

Filesize
272KB

Download
memory/4620-10-0x00000000754A0000-0x000000007551A000-memory.dmp

Filesize
488KB

Download