12c1e9843c354598b60bcc7f365bcb5b46e9f96d637513e303330c0116c19c97

Analysis

max time kernel
140s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
23-05-2024 06:02

Target

$PLUGINSDIR/nsRichEdit.dll
Size

5KB
MD5

02f1858b3131ffc3fc5e3a5391d3a489
SHA1

454a6d749cf55ff990bd9f57941aca9d1f1674f6
SHA256

f00bd6d3e7c7b8e8ad18b7dc6275fb80cc720fb164200a6506f50f6e66998b12
SHA512

8147fa8014a5065f4fed7de1fbb9c2ee2c1b94d63596f7bbcf6821ecd41a73d25ebdfa1e71ca74d7598cba063042b6dfcaf050a23d0c855a7b6fbc94147ab41b
SSDEEP

96:Z3CA+/dN6g2Aznq+1kaNar7ta6mKAJN0u4KOhB7lkZ3hBjB8wZ:Z3G/D26EaNar7QKzLdZkZX

Score

7^/10

upx

ACProtect 1.3x - 1.4x DLL software 2 IoCs

Detects file using ACProtect software.

Processes:

resource	yara_rule
behavioral17/memory/1956-1-0x0000000074C30000-0x0000000074C39000-memory.dmp	acprotect
behavioral17/memory/1956-3-0x0000000074C30000-0x0000000074C39000-memory.dmp	acprotect

UPX packed file 2 IoCs

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

Processes:

resource	yara_rule
behavioral17/memory/1956-1-0x0000000074C30000-0x0000000074C39000-memory.dmp	upx
behavioral17/memory/1956-3-0x0000000074C30000-0x0000000074C39000-memory.dmp	upx

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2028 1956 WerFault.exe rundll32.exe

pid	pid_target	process	target process
2028	1956	WerFault.exe	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2024 wrote to memory of 1956	2024	rundll32.exe	rundll32.exe
PID 2024 wrote to memory of 1956	2024	rundll32.exe	rundll32.exe
PID 2024 wrote to memory of 1956	2024	rundll32.exe	rundll32.exe
PID 2024 wrote to memory of 1956	2024	rundll32.exe	rundll32.exe
PID 2024 wrote to memory of 1956	2024	rundll32.exe	rundll32.exe
PID 2024 wrote to memory of 1956	2024	rundll32.exe	rundll32.exe
PID 2024 wrote to memory of 1956	2024	rundll32.exe	rundll32.exe
PID 1956 wrote to memory of 2028	1956	rundll32.exe	WerFault.exe
PID 1956 wrote to memory of 2028	1956	rundll32.exe	WerFault.exe
PID 1956 wrote to memory of 2028	1956	rundll32.exe	WerFault.exe
PID 1956 wrote to memory of 2028	1956	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsRichEdit.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2024

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsRichEdit.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:1956

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1956 -s 240
3⤵
- Program crash
PID:2028

memory/1956-2-0x0000000074C40000-0x0000000074C49000-memory.dmp

Filesize
36KB

Download
memory/1956-1-0x0000000074C30000-0x0000000074C39000-memory.dmp

Filesize
36KB

Download
memory/1956-0-0x0000000074C40000-0x0000000074C49000-memory.dmp

Filesize
36KB

Download
memory/1956-3-0x0000000074C30000-0x0000000074C39000-memory.dmp

Filesize
36KB

Download
memory/1956-5-0x0000000074C40000-0x0000000074C49000-memory.dmp

Filesize
36KB

Download
memory/1956-6-0x0000000074C40000-0x0000000074C49000-memory.dmp

Filesize
36KB

Download