8dd312c4688dde10ec491c69f91b7c2e2e86fa81795ae4f261192b60a7da77c7

Analysis

max time kernel
130s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
18/01/2024, 04:31

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General

Target

8dd312c4688dde10ec491c69f91b7c2e2e86fa81795ae4f261192b60a7da77c7.dll
Size

310KB
MD5

06d1f4538a0ead501411a40d50da8ed9
SHA1

7ed0339697a60098489377d4a4932150c2ea866a
SHA256

8dd312c4688dde10ec491c69f91b7c2e2e86fa81795ae4f261192b60a7da77c7
SHA512

57f50da16538c802ad154db427119cfe27e74bd607a0f2f65cf655a65ac626c596153cc8f494bbfabac8d7a301421464101d84334cc1e85d48871662c153ff18
SSDEEP

6144:RuqF5amecGLgOV0ej4cJ+d8xRspZaBzaqC7aC3ev7GJIR/BV+UdvrEFp7hKHQN:RJaZLgOaej4cJ+d8kqzaTu7GJmBjvrEN

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/0x00070000000231fd-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
4428	regsvr32.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4428-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/files/0x00070000000231fd-1.dat	upx
behavioral2/memory/4428-6-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	regsvr32.exe

Modifies registry class 19 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{05B8E7A3-7D5D-41DE-B6CC-5E6205837FB7}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{05B8E7A3-7D5D-41DE-B6CC-5E6205837FB7}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ENE.Hal	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ENE.Hal\ = "ENE_RGB"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ENE.Hal.1\ = "ENE_RGB"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{05B8E7A3-7D5D-41DE-B6CC-5E6205837FB7}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{05B8E7A3-7D5D-41DE-B6CC-5E6205837FB7}\ProgID\ = "ENE.Hal.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{05B8E7A3-7D5D-41DE-B6CC-5E6205837FB7}\VersionIndependentProgID\ = "ENE.Hal"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ENE.Hal\CurVer\ = "ENE.Hal.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ENE.Hal.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{05B8E7A3-7D5D-41DE-B6CC-5E6205837FB7}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{05B8E7A3-7D5D-41DE-B6CC-5E6205837FB7}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8dd312c4688dde10ec491c69f91b7c2e2e86fa81795ae4f261192b60a7da77c7.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ENE.Hal\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ENE.Hal.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ENE.Hal.1\CLSID\ = "{05B8E7A3-7D5D-41DE-B6CC-5E6205837FB7}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{05B8E7A3-7D5D-41DE-B6CC-5E6205837FB7}\ = "ENE_RGB"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ENE.Hal\CLSID\ = "{05B8E7A3-7D5D-41DE-B6CC-5E6205837FB7}瘀"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ENE.Hal\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{05B8E7A3-7D5D-41DE-B6CC-5E6205837FB7}\ProgID	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1916 wrote to memory of 4428	1916	regsvr32.exe	85
PID 1916 wrote to memory of 4428	1916	regsvr32.exe	85
PID 1916 wrote to memory of 4428	1916	regsvr32.exe	85

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\8dd312c4688dde10ec491c69f91b7c2e2e86fa81795ae4f261192b60a7da77c7.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1916
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\8dd312c4688dde10ec491c69f91b7c2e2e86fa81795ae4f261192b60a7da77c7.dll
  2⤵
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Modifies registry class
  PID:4428

Network

MITRE ATT&CK Matrix

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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/4428-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/4428-5-0x00000000750E0000-0x000000007511D000-memory.dmp

Filesize
244KB

Download
memory/4428-6-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download