23641b1b717d089e09858d42a5b0627e239bb54980b81574fc5767793c6f8341

Analysis

max time kernel
140s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
07/04/2024, 22:56

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General

Target
$PLUGINSDIR/nsArray.dll
Size 6KB
Sample240407-2wva5ahb86
SHA256 48941e9f5c92a33f1e60a7a844d562dd77ce736fd31b5503c980b49679dfe85e
MD5 f8462e9d1d7fd39789afca89ab6d6046
SHA1 7e9a518e15b7490245d2bef11a73f209c8d8d59b
SHA512 57dee2253abd7d17d53811d5e95237f9434288518fb043645524a517786db2d8a91df86a6da732c620f12ad0e7ea30a923b8d5f3de386c65bd3ff240bc0dff69
SSDEEP 96:TjGBPJ762z6gjutipI+h7jz5ozZt/aYfA7EfXxLfAZi:/ix7ibUpIS+Xa1wX2Zi
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 2 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral19/memory/3024-1-0x0000000074F80000-0x0000000074F8A000-memory.dmp	acprotect
behavioral19/memory/3024-2-0x0000000074F80000-0x0000000074F8A000-memory.dmp	acprotect

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral19/memory/3024-1-0x0000000074F80000-0x0000000074F8A000-memory.dmp	upx
behavioral19/memory/3024-2-0x0000000074F80000-0x0000000074F8A000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2908	3024	WerFault.exe	28

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2324 wrote to memory of 3024	2324	rundll32.exe	28
PID 2324 wrote to memory of 3024	2324	rundll32.exe	28
PID 2324 wrote to memory of 3024	2324	rundll32.exe	28
PID 2324 wrote to memory of 3024	2324	rundll32.exe	28
PID 2324 wrote to memory of 3024	2324	rundll32.exe	28
PID 2324 wrote to memory of 3024	2324	rundll32.exe	28
PID 2324 wrote to memory of 3024	2324	rundll32.exe	28
PID 3024 wrote to memory of 2908	3024	rundll32.exe	29
PID 3024 wrote to memory of 2908	3024	rundll32.exe	29
PID 3024 wrote to memory of 2908	3024	rundll32.exe	29
PID 3024 wrote to memory of 2908	3024	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsArray.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2324
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsArray.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3024
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3024 -s 220
    3⤵
    - Program crash
    PID:2908

Network

MITRE ATT&CK Matrix

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Downloads

memory/3024-0-0x0000000074F90000-0x0000000074F9A000-memory.dmp

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memory/3024-1-0x0000000074F80000-0x0000000074F8A000-memory.dmp

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memory/3024-2-0x0000000074F80000-0x0000000074F8A000-memory.dmp

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memory/3024-3-0x0000000074F90000-0x0000000074F9A000-memory.dmp

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memory/3024-5-0x0000000074F70000-0x0000000074F7A000-memory.dmp

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads