176fd490b65871a0cc0eae08b372b39ec4fd2f1822dcefcdd4a69bd98b9d36bf

Analysis

max time kernel
157s
max time network
132s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
08/01/2024, 15:45

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General

Target

4bd3d3b40ef36ea45835e1adb0b9c98a.exe
Size

5.0MB
MD5

4bd3d3b40ef36ea45835e1adb0b9c98a
SHA1

3585725336d55dda8773b74fffaace791392a8de
SHA256

176fd490b65871a0cc0eae08b372b39ec4fd2f1822dcefcdd4a69bd98b9d36bf
SHA512

0382ed3a6bdec171fa2759b61a679c8981b3f320432cc4141ee5c25a4e8a9dc60918aaad6208a989c9b4e61eb576dded72ee513de696ac3e019a2b3eab1ce2bf
SSDEEP

49152:EQFRHrmQG+yrY+FrO+FNrmQG+yrY+FrOLrmxrmQG+yrY+FrO+FNrmQG+yrY+FZN0:EcKCxIC90

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2892	vofwnk.exe

Loads dropped DLL 2 IoCs

pid	Process
2908	4bd3d3b40ef36ea45835e1adb0b9c98a.exe
2908	4bd3d3b40ef36ea45835e1adb0b9c98a.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\Main	vofwnk.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2892	vofwnk.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
2892	vofwnk.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2892	vofwnk.exe
2892	vofwnk.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2908 wrote to memory of 2892	2908	4bd3d3b40ef36ea45835e1adb0b9c98a.exe	15
PID 2908 wrote to memory of 2892	2908	4bd3d3b40ef36ea45835e1adb0b9c98a.exe	15
PID 2908 wrote to memory of 2892	2908	4bd3d3b40ef36ea45835e1adb0b9c98a.exe	15
PID 2908 wrote to memory of 2892	2908	4bd3d3b40ef36ea45835e1adb0b9c98a.exe	15

C:\Users\Admin\AppData\Local\Temp\vofwnk.exe
C:\Users\Admin\AppData\Local\Temp\vofwnk.exe -run C:\Users\Admin\AppData\Local\Temp\4bd3d3b40ef36ea45835e1adb0b9c98a.exe
1⤵
- Executes dropped EXE
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:2892

C:\Users\Admin\AppData\Local\Temp\4bd3d3b40ef36ea45835e1adb0b9c98a.exe
"C:\Users\Admin\AppData\Local\Temp\4bd3d3b40ef36ea45835e1adb0b9c98a.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2908

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2892-58-0x0000000002BC0000-0x0000000002CC0000-memory.dmp

Filesize
1024KB

Download
memory/2892-55-0x0000000002B10000-0x0000000002B11000-memory.dmp

Filesize
4KB

Download
memory/2892-59-0x0000000002BC0000-0x0000000002CC0000-memory.dmp

Filesize
1024KB

Download
memory/2892-62-0x0000000002BC0000-0x0000000002CC0000-memory.dmp

Filesize
1024KB

Download
memory/2892-66-0x0000000002BC0000-0x0000000002CC0000-memory.dmp

Filesize
1024KB

Download
memory/2892-104-0x0000000000400000-0x0000000000536000-memory.dmp

Filesize
1.2MB

Download
memory/2892-54-0x0000000002B10000-0x0000000002B11000-memory.dmp

Filesize
4KB

Download
memory/2892-53-0x0000000002B10000-0x0000000002B11000-memory.dmp

Filesize
4KB

Download
memory/2892-56-0x0000000002BC0000-0x0000000002CC0000-memory.dmp

Filesize
1024KB

Download
memory/2892-57-0x0000000002BC0000-0x0000000002CC0000-memory.dmp

Filesize
1024KB

Download
memory/2892-69-0x0000000002BC0000-0x0000000002CC0000-memory.dmp

Filesize
1024KB

Download
memory/2892-71-0x0000000002BC0000-0x0000000002CC0000-memory.dmp

Filesize
1024KB

Download
memory/2892-73-0x0000000002BC0000-0x0000000002CC0000-memory.dmp

Filesize
1024KB

Download
memory/2892-72-0x0000000002BC0000-0x0000000002CC0000-memory.dmp

Filesize
1024KB

Download
memory/2892-70-0x0000000002BC0000-0x0000000002CC0000-memory.dmp

Filesize
1024KB

Download
memory/2892-68-0x0000000002BC0000-0x0000000002CC0000-memory.dmp

Filesize
1024KB

Download
memory/2892-67-0x0000000002BC0000-0x0000000002CC0000-memory.dmp

Filesize
1024KB

Download
memory/2892-65-0x0000000002BC0000-0x0000000002CC0000-memory.dmp

Filesize
1024KB

Download
memory/2892-64-0x00000000005B0000-0x0000000000600000-memory.dmp

Filesize
320KB

Download
memory/2892-63-0x0000000002BC0000-0x0000000002CC0000-memory.dmp

Filesize
1024KB

Download
memory/2892-61-0x0000000002BC0000-0x0000000002CC0000-memory.dmp

Filesize
1024KB

Download
memory/2892-60-0x0000000002BC0000-0x0000000002CC0000-memory.dmp

Filesize
1024KB

Download
memory/2908-49-0x0000000002BC0000-0x0000000002CC0000-memory.dmp

Filesize
1024KB

Download
memory/2908-26-0x0000000002030000-0x0000000002031000-memory.dmp

Filesize
4KB

Download
memory/2908-12-0x0000000001F70000-0x0000000001F71000-memory.dmp

Filesize
4KB

Download
memory/2908-2-0x0000000000370000-0x0000000000371000-memory.dmp

Filesize
4KB

Download
memory/2908-31-0x0000000002BC0000-0x0000000002CC0000-memory.dmp

Filesize
1024KB

Download
memory/2908-33-0x0000000002BC0000-0x0000000002CC0000-memory.dmp

Filesize
1024KB

Download
memory/2908-36-0x0000000002BC0000-0x0000000002CC0000-memory.dmp

Filesize
1024KB

Download
memory/2908-44-0x0000000002BC0000-0x0000000002CC0000-memory.dmp

Filesize
1024KB

Download
memory/2908-50-0x0000000000320000-0x0000000000370000-memory.dmp

Filesize
320KB

Download
memory/2908-51-0x0000000002BC0000-0x0000000002CC0000-memory.dmp

Filesize
1024KB

Download
memory/2908-1-0x0000000000320000-0x0000000000370000-memory.dmp

Filesize
320KB

Download
memory/2908-48-0x0000000002BC0000-0x0000000002CC0000-memory.dmp

Filesize
1024KB

Download
memory/2908-47-0x0000000000400000-0x0000000000536000-memory.dmp

Filesize
1.2MB

Download
memory/2908-46-0x0000000002BC0000-0x0000000002CC0000-memory.dmp

Filesize
1024KB

Download
memory/2908-39-0x0000000002BC0000-0x0000000002CC0000-memory.dmp

Filesize
1024KB

Download
memory/2908-35-0x0000000002BC0000-0x0000000002CC0000-memory.dmp

Filesize
1024KB

Download
memory/2908-34-0x0000000002BC0000-0x0000000002CC0000-memory.dmp

Filesize
1024KB

Download
memory/2908-32-0x0000000002BC0000-0x0000000002CC0000-memory.dmp

Filesize
1024KB

Download
memory/2908-29-0x0000000002AF0000-0x0000000002AF6000-memory.dmp

Filesize
24KB

Download
memory/2908-28-0x0000000002060000-0x0000000002061000-memory.dmp

Filesize
4KB

Download
memory/2908-27-0x0000000002080000-0x0000000002081000-memory.dmp

Filesize
4KB

Download
memory/2908-30-0x0000000002BC0000-0x0000000002CC0000-memory.dmp

Filesize
1024KB

Download
memory/2908-25-0x0000000002000000-0x0000000002001000-memory.dmp

Filesize
4KB

Download
memory/2908-24-0x0000000002050000-0x0000000002051000-memory.dmp

Filesize
4KB

Download
memory/2908-23-0x0000000002010000-0x0000000002011000-memory.dmp

Filesize
4KB

Download
memory/2908-22-0x0000000002020000-0x0000000002021000-memory.dmp

Filesize
4KB

Download
memory/2908-21-0x0000000002070000-0x0000000002071000-memory.dmp

Filesize
4KB

Download
memory/2908-20-0x0000000001F90000-0x0000000001F91000-memory.dmp

Filesize
4KB

Download
memory/2908-19-0x0000000001F80000-0x0000000001F81000-memory.dmp

Filesize
4KB

Download
memory/2908-18-0x0000000000620000-0x0000000000621000-memory.dmp

Filesize
4KB

Download
memory/2908-17-0x00000000003C0000-0x00000000003C1000-memory.dmp

Filesize
4KB

Download
memory/2908-16-0x0000000001F50000-0x0000000001F51000-memory.dmp

Filesize
4KB

Download
memory/2908-15-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/2908-13-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2908-11-0x0000000002B00000-0x0000000002B02000-memory.dmp

Filesize
8KB

Download
memory/2908-10-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2908-9-0x0000000002B10000-0x0000000002B11000-memory.dmp

Filesize
4KB

Download
memory/2908-8-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/2908-7-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2908-6-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2908-5-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2908-3-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2908-4-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2908-0-0x0000000000400000-0x0000000000536000-memory.dmp

Filesize
1.2MB

Download