68406753106d472d57d4b51a016c5f2b719d4560402bf05d805bed64ebdec7cc

Analysis

max time kernel
142s
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
13/02/2024, 23:57

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General

Target
9a41eb266fd17327f648e86dd3e50b5c.dll
Size 7KB
Sample240213-3z4jmscb3v
SHA256 68406753106d472d57d4b51a016c5f2b719d4560402bf05d805bed64ebdec7cc
MD5 9a41eb266fd17327f648e86dd3e50b5c
SHA1 77f01b0783f807acc046938878584176b5720180
SHA512 461d69faa13bf45a08cd665662ed3e9ea0d4cdacea33d2ab7fabefd2b3635df1ec70c21726a5f6cc503c6e70ed23a594a5fdf4e821717b858c7ee840141fe25f
SSDEEP 96:4Sc/TC92xwXps+1A09nifuftxcdP7B1jwvX/3MfxIG85+279NkS4/y3FG/C:47+K+1AiniGjsjgvPcfF/2ZNL4/uaC
MD5 SHA1 SHA512 SSDEEP

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
behavioral2/memory/4968-0-0x0000000010000000-0x0000000010009000-memory.dmp	upx

Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

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

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{7C109800-A5D5-438F-9640-18D17E168B88}\	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{7C109800-A5D5-438F-9640-18D17E168B88}	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{7C109800-A5D5-438F-9640-18D17E168B88}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7C109800-A5D5-438F-9640-18D17E168B88}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\9a41eb266fd17327f648e86dd3e50b5c.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7C109800-A5D5-438F-9640-18D17E168B88}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{7C109800-A5D5-438F-9640-18D17E168B88}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7C109800-A5D5-438F-9640-18D17E168B88}\xxx = "xxx"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2908 wrote to memory of 4968	2908	regsvr32.exe	84
PID 2908 wrote to memory of 4968	2908	regsvr32.exe	84
PID 2908 wrote to memory of 4968	2908	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\9a41eb266fd17327f648e86dd3e50b5c.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2908
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\9a41eb266fd17327f648e86dd3e50b5c.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:4968

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/4968-0-0x0000000010000000-0x0000000010009000-memory.dmp

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