4de1bd68e70dd5d56bf58965df29c14992f50e1c10289562f5db91f86ebc58e6

Analysis

max time kernel
140s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
20/05/2024, 06:38

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General

Target

4de1bd68e70dd5d56bf58965df29c14992f50e1c10289562f5db91f86ebc58e6.dll
Size

223KB
MD5

f1732c61072b6abe5f5bd64e5aeac885
SHA1

7598300a6a624a4e70aa4c2ec0ed58971054ebdb
SHA256

4de1bd68e70dd5d56bf58965df29c14992f50e1c10289562f5db91f86ebc58e6
SHA512

789275aba0dc4745182760542ce8cd318708963c69cefa95bcb0b0b0d3cd74f16aeaf2ff0ebce134f7b65334cce078c44f83edb3b1ac7e553d83031b24c158b6
SSDEEP

3072:6huf5AUWGIcv0JvK2aguRfZZdlGZxIOtY81fs2lQBV+UdE+rECWp7hK9:ZBAUWGcVaguRfmLIBV+UdvrEFp7hK9

Score

7^/10

upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000800000002328e-3.dat	acprotect

Loads dropped DLL 2 IoCs

pid	Process
4664	rundll32.exe
4664	rundll32.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000800000002328e-3.dat	upx
behavioral2/memory/4664-6-0x0000000002BC0000-0x0000000002BF0000-memory.dmp	upx
behavioral2/memory/4664-7-0x0000000002BC0000-0x0000000002BF0000-memory.dmp	upx
behavioral2/memory/4664-10-0x0000000002BC0000-0x0000000002BF0000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1136	4664	WerFault.exe	83

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4664	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 324 wrote to memory of 4664	324	rundll32.exe	83
PID 324 wrote to memory of 4664	324	rundll32.exe	83
PID 324 wrote to memory of 4664	324	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4de1bd68e70dd5d56bf58965df29c14992f50e1c10289562f5db91f86ebc58e6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:324
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4de1bd68e70dd5d56bf58965df29c14992f50e1c10289562f5db91f86ebc58e6.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of AdjustPrivilegeToken
  PID:4664
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4664 -s 712
    3⤵
    - Program crash
    PID:1136

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4664 -ip 4664
1⤵
PID:1572

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Program Files\Common Files\System\symsrv.dll

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/4664-6-0x0000000002BC0000-0x0000000002BF0000-memory.dmp

Filesize
192KB

Download
memory/4664-7-0x0000000002BC0000-0x0000000002BF0000-memory.dmp

Filesize
192KB

Download
memory/4664-10-0x0000000002BC0000-0x0000000002BF0000-memory.dmp

Filesize
192KB

Download
memory/4664-9-0x0000000010000000-0x0000000010025000-memory.dmp

Filesize
148KB

Download