384f2dc271380be0389f49d0f3f1565c61abe1bce84600d2424e490b70303e11

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
17-05-2024 13:21

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General

Target

384f2dc271380be0389f49d0f3f1565c61abe1bce84600d2424e490b70303e11.dll
Size

223KB
MD5

4c6b9a62e8f104c3f61788b7a30e0686
SHA1

90b22907b2f4397353cb4ce70d7b7b6b95be094f
SHA256

384f2dc271380be0389f49d0f3f1565c61abe1bce84600d2424e490b70303e11
SHA512

11f93cec2183de436947b6ca320963c9eac2bc6dbcbfc8e1f3e92a375b4fae7fba6e16c2206e2408d994847e282c90d168eb8e667e48b83b800cf49cf298b65d
SSDEEP

3072:6huf5AfJcvDJvK2agufAnAZdlGZxIOtY81fs2lQBV+UdE+rECWp7hK+xvFuh:ZBAf0VagufYLIBV+UdvrEFp7hK+xvy

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/0x000600000002326f-3.dat	acprotect

Loads dropped DLL 2 IoCs

pid	Process
1148	rundll32.exe
1148	rundll32.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000600000002326f-3.dat	upx
behavioral2/memory/1148-7-0x0000000000FC0000-0x0000000000FF0000-memory.dmp	upx
behavioral2/memory/1148-6-0x0000000000FC0000-0x0000000000FF0000-memory.dmp	upx
behavioral2/memory/1148-10-0x0000000000FC0000-0x0000000000FF0000-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
2120	1148	WerFault.exe	82

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1148	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 380 wrote to memory of 1148	380	rundll32.exe	82
PID 380 wrote to memory of 1148	380	rundll32.exe	82
PID 380 wrote to memory of 1148	380	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\384f2dc271380be0389f49d0f3f1565c61abe1bce84600d2424e490b70303e11.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:380
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\384f2dc271380be0389f49d0f3f1565c61abe1bce84600d2424e490b70303e11.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of AdjustPrivilegeToken
  PID:1148
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1148 -s 712
    3⤵
    - Program crash
    PID:2120

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1148 -ip 1148
1⤵
PID:3160

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/1148-7-0x0000000000FC0000-0x0000000000FF0000-memory.dmp

Filesize
192KB

Download
memory/1148-6-0x0000000000FC0000-0x0000000000FF0000-memory.dmp

Filesize
192KB

Download
memory/1148-10-0x0000000000FC0000-0x0000000000FF0000-memory.dmp

Filesize
192KB

Download
memory/1148-9-0x0000000010000000-0x0000000010025000-memory.dmp

Filesize
148KB

Download