c92fee72ac293ce12007b900a2273d1009804d661d6e99da99ee18a15aeafa9e

Analysis

max time kernel
122s
max time network
75s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29/12/2023, 22:38

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General

Target

05d5ed2a3c5ae23be7575e1f97d6463e.dll
Size

8KB
MD5

05d5ed2a3c5ae23be7575e1f97d6463e
SHA1

9b96412038804b1cac08b593a4490915a5832d18
SHA256

c92fee72ac293ce12007b900a2273d1009804d661d6e99da99ee18a15aeafa9e
SHA512

24c183f41ebaabefa6742167cff376e046b1bd54b3f039a767138c3cb988b1f90d13d3c0b1c3892205eecca7c6d8bea998266754a81e50f16c2e3069c5ef6a52
SSDEEP

96:iG4Xbsz8FP9dEZtPV0jIHXDcF/WVxPURqjt5SE+aZVGj4J2Nw4:iGVz8/OZhV6uXDcFAUkj3SEJVGkYl

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/1248-0-0x0000000010000000-0x000000001000A000-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
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{A49E097A-D6EF-4B2F-8B0F-1230E998587F}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{A49E097A-D6EF-4B2F-8B0F-1230E998587F}\	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{A49E097A-D6EF-4B2F-8B0F-1230E998587F}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A49E097A-D6EF-4B2F-8B0F-1230E998587F}\sss = "sss"	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{A49E097A-D6EF-4B2F-8B0F-1230E998587F}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A49E097A-D6EF-4B2F-8B0F-1230E998587F}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\05d5ed2a3c5ae23be7575e1f97d6463e.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A49E097A-D6EF-4B2F-8B0F-1230E998587F}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3472 wrote to memory of 1248	3472	regsvr32.exe	14
PID 3472 wrote to memory of 1248	3472	regsvr32.exe	14
PID 3472 wrote to memory of 1248	3472	regsvr32.exe	14

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\05d5ed2a3c5ae23be7575e1f97d6463e.dll
1⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:1248

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\05d5ed2a3c5ae23be7575e1f97d6463e.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3472

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/1248-0-0x0000000010000000-0x000000001000A000-memory.dmp

Filesize
40KB

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