09cf20f860b73fdb2719c0f3d99279316f3cd1a0431131432af54551fdc47a42

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
18-01-2024 17:21

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General

Target

65988ec54203a9e2443a6f0ec901072f.dll
Size

580KB
MD5

65988ec54203a9e2443a6f0ec901072f
SHA1

8f42ea9760ad395658c05d030386dda3a679d34c
SHA256

09cf20f860b73fdb2719c0f3d99279316f3cd1a0431131432af54551fdc47a42
SHA512

3bbef28f3a3b9b0ecefca65b36571cc7069f9ead9ee7a7076a0adc6643d35c1ca27ab3fa762362ae51feeeddeb3c5aabe79e27ec729f8bc07705d76792d158e8
SSDEEP

12288:q3Q5incrIGPFRlNWBq1a6O/xDRQg5WHWY58FOvn4vHIUsTYI:qjcvE/zRQmXuoobB

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\scanwdiskyn08.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\\hload42.dll,_IWMPEvents"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\NvCplDaemonTool = "rundll32.exe C:\\Users\\Admin\\hload42.dll,_IWMPEvents"	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\hload42.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
2528	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2528	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2060 wrote to memory of 2528	2060	rundll32.exe	28
PID 2060 wrote to memory of 2528	2060	rundll32.exe	28
PID 2060 wrote to memory of 2528	2060	rundll32.exe	28
PID 2060 wrote to memory of 2528	2060	rundll32.exe	28
PID 2060 wrote to memory of 2528	2060	rundll32.exe	28
PID 2060 wrote to memory of 2528	2060	rundll32.exe	28
PID 2060 wrote to memory of 2528	2060	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\65988ec54203a9e2443a6f0ec901072f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2060
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\65988ec54203a9e2443a6f0ec901072f.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:2528

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/2528-0-0x0000000000250000-0x00000000002CD000-memory.dmp

Filesize
500KB

Download
memory/2528-3-0x0000000000250000-0x00000000002CD000-memory.dmp

Filesize
500KB

Download
memory/2528-4-0x0000000000250000-0x00000000002CD000-memory.dmp

Filesize
500KB

Download
memory/2528-5-0x0000000001FA0000-0x0000000001FB8000-memory.dmp

Filesize
96KB

Download
memory/2528-22-0x0000000002140000-0x0000000002161000-memory.dmp

Filesize
132KB

Download
memory/2528-20-0x0000000002140000-0x0000000002161000-memory.dmp

Filesize
132KB

Download
memory/2528-18-0x0000000002140000-0x0000000002161000-memory.dmp

Filesize
132KB

Download
memory/2528-23-0x0000000002140000-0x0000000002161000-memory.dmp

Filesize
132KB

Download
memory/2528-16-0x0000000002140000-0x0000000002161000-memory.dmp

Filesize
132KB

Download
memory/2528-14-0x0000000002140000-0x0000000002161000-memory.dmp

Filesize
132KB

Download
memory/2528-10-0x0000000002140000-0x0000000002161000-memory.dmp

Filesize
132KB

Download