4637953df4e30da5cb73713c7e66d6209be66a44db517e0510de48778ae1fbc6

Analysis

max time kernel
122s
max time network
127s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
30/12/2023, 04:19

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General

Target

0e3c98971b55182c81fad0405038b515.dll
Size

89KB
MD5

0e3c98971b55182c81fad0405038b515
SHA1

0e007deb5bbe2283f7c2397437e36a5c33621923
SHA256

4637953df4e30da5cb73713c7e66d6209be66a44db517e0510de48778ae1fbc6
SHA512

fa53dc3bd379b12a82bdf1eb9e99c5587c3080ba742d30212d2c6262de2cb2c85e97c30f3614bf4563c725a6ef567a468906d21158f0be9775a2683b688f13d9
SSDEEP

1536:I6c2bcATlbcKNyRAO0TXMtXcwCp+f93N37cGe3shFreZN9RVrjlPk8w6Vcxf:IkI0tvw0T8VQpm3KGzoN9R9ZktWcxf

Score

7^/10

adware stealer upx

Malware Config

Signatures

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2856-0-0x00000000001B0000-0x00000000001EF000-memory.dmp	upx

Installs/modifies Browser Helper Object 2 TTPs 1 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{E662CA4C-5F03-4FE5-82EA-54BCEFD8F9CE}	regsvr32.exe

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E662CA4C-5F03-4FE5-82EA-54BCEFD8F9CE}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E662CA4C-5F03-4FE5-82EA-54BCEFD8F9CE}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0e3c98971b55182c81fad0405038b515.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E662CA4C-5F03-4FE5-82EA-54BCEFD8F9CE}\InprocServer32\ThreadingModel = "apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E662CA4C-5F03-4FE5-82EA-54BCEFD8F9CE}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2668 wrote to memory of 2856	2668	regsvr32.exe	28
PID 2668 wrote to memory of 2856	2668	regsvr32.exe	28
PID 2668 wrote to memory of 2856	2668	regsvr32.exe	28
PID 2668 wrote to memory of 2856	2668	regsvr32.exe	28
PID 2668 wrote to memory of 2856	2668	regsvr32.exe	28
PID 2668 wrote to memory of 2856	2668	regsvr32.exe	28
PID 2668 wrote to memory of 2856	2668	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\0e3c98971b55182c81fad0405038b515.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2668
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\0e3c98971b55182c81fad0405038b515.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2856

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Browser Extensions

T1176

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2856-0-0x00000000001B0000-0x00000000001EF000-memory.dmp

Filesize
252KB

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