12843f5a791d744a621a64c978a19a153a336ca2b7c1d8fe4b05a5b0822dae72

Analysis

max time kernel
93s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
08-06-2024 23:35

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General

Target

12843f5a791d744a621a64c978a19a153a336ca2b7c1d8fe4b05a5b0822dae72.dll
Size

223KB
MD5

bc21bda950c584bbd2258d5cdcba74f5
SHA1

130c1e0ab45e1a07c1cdc542712332554342a283
SHA256

12843f5a791d744a621a64c978a19a153a336ca2b7c1d8fe4b05a5b0822dae72
SHA512

6061bd956b7a233b62256d9aced2e95d2ff46c82c5731eb32b3762b1383d7b66482ee17b932c61e2ae7a8cad24c7b85e0edc204484f02a10f501c2b5ce998c36
SSDEEP

3072:6huf5AUWG5yyWJvK2agufAnAZdlGZxIOtY81fs2lQBV+UdE+rECWp7hKCqs:ZBAUWG5yNVagufYLIBV+UdvrEFp7hKRs

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/0x0008000000022f51-3.dat	acprotect

Loads dropped DLL 2 IoCs

pid	Process
3652	rundll32.exe
3652	rundll32.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3652-7-0x0000000002D90000-0x0000000002DC0000-memory.dmp	upx
behavioral2/memory/3652-6-0x0000000002D90000-0x0000000002DC0000-memory.dmp	upx
behavioral2/files/0x0008000000022f51-3.dat	upx
behavioral2/memory/3652-11-0x0000000002D90000-0x0000000002DC0000-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
1668	3652	WerFault.exe	81

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3652	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2348 wrote to memory of 3652	2348	rundll32.exe	81
PID 2348 wrote to memory of 3652	2348	rundll32.exe	81
PID 2348 wrote to memory of 3652	2348	rundll32.exe	81

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\12843f5a791d744a621a64c978a19a153a336ca2b7c1d8fe4b05a5b0822dae72.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2348
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\12843f5a791d744a621a64c978a19a153a336ca2b7c1d8fe4b05a5b0822dae72.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of AdjustPrivilegeToken
  PID:3652
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3652 -s 712
    3⤵
    - Program crash
    PID:1668

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3652 -ip 3652
1⤵
PID:436

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/3652-7-0x0000000002D90000-0x0000000002DC0000-memory.dmp

Filesize
192KB

Download
memory/3652-6-0x0000000002D90000-0x0000000002DC0000-memory.dmp

Filesize
192KB

Download
memory/3652-11-0x0000000002D90000-0x0000000002DC0000-memory.dmp

Filesize
192KB

Download
memory/3652-9-0x0000000010000000-0x0000000010025000-memory.dmp

Filesize
148KB

Download