2ca3ba46a8fd7df980eecaecf57476f0578fa8fedac3985f67cfd5822a2f2292

Analysis

max time kernel
120s
max time network
123s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
26/01/2024, 18:00 UTC

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General

Target

780390fdfedd33c68eb9abfabff5f6e5.dll
Size

596KB
MD5

780390fdfedd33c68eb9abfabff5f6e5
SHA1

d6b20e1099f5c09d7be08e13a2846da0a4998af2
SHA256

2ca3ba46a8fd7df980eecaecf57476f0578fa8fedac3985f67cfd5822a2f2292
SHA512

7ef525a4b9b2cf4f31d46aff335c24e3e6ff361f1fef03e3a7f48526b6b46ce30c2248d1ac0bea90dee3b9c4df8562a5a52964c4b100e4ce8d5ab8b82cb9ca7a
SSDEEP

12288:bNlzS+ihNyq3x7IFRNuqGYShJkNRWZ6N2HRc:bzS+ihNJB7GNujYSh2N5NCR

Score

7^/10

persistence

Malware Config

Signatures

Drops startup file 3 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\scandisk.lnk	rundll32.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\scangdiskt90.dll	rundll32.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\scandisk.lnk	rundll32.exe

Adds Run key to start application 2 TTPs 2 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\Run\NvCplDaemonTool = "rundll32.exe C:\\Windows\\system32\\vloadrFE.dll,_IWMPEvents"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Windows\CurrentVersion\Run\NvCplDaemonTool = "rundll32.exe C:\\Users\\Admin\\vloadrFE.dll,_IWMPEvents"	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\vloadrFE.dll	rundll32.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
3048	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3048	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 624 wrote to memory of 3048	624	rundll32.exe	28
PID 624 wrote to memory of 3048	624	rundll32.exe	28
PID 624 wrote to memory of 3048	624	rundll32.exe	28
PID 624 wrote to memory of 3048	624	rundll32.exe	28
PID 624 wrote to memory of 3048	624	rundll32.exe	28
PID 624 wrote to memory of 3048	624	rundll32.exe	28
PID 624 wrote to memory of 3048	624	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\780390fdfedd33c68eb9abfabff5f6e5.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:624
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\780390fdfedd33c68eb9abfabff5f6e5.dll,#1
  2⤵
  - Drops startup file
  - Adds Run key to start application
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:3048

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3048-0-0x0000000000420000-0x000000000049F000-memory.dmp

Filesize
508KB

Download
memory/3048-3-0x0000000000420000-0x000000000049F000-memory.dmp

Filesize
508KB

Download
memory/3048-4-0x0000000000420000-0x000000000049F000-memory.dmp

Filesize
508KB

Download
memory/3048-5-0x00000000004B0000-0x00000000004C8000-memory.dmp

Filesize
96KB

Download
memory/3048-10-0x0000000000510000-0x0000000000531000-memory.dmp

Filesize
132KB

Download
memory/3048-14-0x0000000000510000-0x0000000000531000-memory.dmp

Filesize
132KB

Download
memory/3048-16-0x0000000000510000-0x0000000000531000-memory.dmp

Filesize
132KB

Download
memory/3048-18-0x0000000000510000-0x0000000000531000-memory.dmp

Filesize
132KB

Download
memory/3048-20-0x0000000000510000-0x0000000000531000-memory.dmp

Filesize
132KB

Download
memory/3048-22-0x0000000000510000-0x0000000000531000-memory.dmp

Filesize
132KB

Download
memory/3048-23-0x0000000000510000-0x0000000000531000-memory.dmp

Filesize
132KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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