b3913c27c447e9515eaed880bbb08c8ac892fa7d45edb5df50004bab1f1fcaf2

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
11/01/2024, 14:40

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General

Target

53c968317fa86fa699ece5526cc315ed.dll
Size

369KB
MD5

53c968317fa86fa699ece5526cc315ed
SHA1

44bf2a69575385485a5075d90cc0ae6b5794b272
SHA256

b3913c27c447e9515eaed880bbb08c8ac892fa7d45edb5df50004bab1f1fcaf2
SHA512

68555629e5c6abe68102ef081d2038e94eb0ea6507d8327bea9dc550eda6c2edcd5aaa9f134ab15b64dcf4ec819f6a84e67d012ec88a6a042a0ae06ffbd31305
SSDEEP

6144:B+ehSQZWIDKCo3rr70coddgtnESITvkXCq9pJsLQ2L:0ehLZWqKZbrK/ZkbbWLh

Score

6^/10

adware stealer

Malware Config

Signatures

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\{921F7C9E-E24A-4A9A-847C-1708FBE274E7}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{921F7C9E-E24A-4A9A-847C-1708FBE274E7}\ = "JavaPortableMix.config"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\53c968317fa86fa699ece5526cc315ed.JavaPortableMix.config\ = "JavaPortableMix.config"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\53c968317fa86fa699ece5526cc315ed.JavaPortableMix.config\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\53c968317fa86fa699ece5526cc315ed.JavaPortableMix.config\Clsid\ = "{921F7C9E-E24A-4A9A-847C-1708FBE274E7}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{921F7C9E-E24A-4A9A-847C-1708FBE274E7}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{921F7C9E-E24A-4A9A-847C-1708FBE274E7}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{921F7C9E-E24A-4A9A-847C-1708FBE274E7}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\53c968317fa86fa699ece5526cc315ed.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{921F7C9E-E24A-4A9A-847C-1708FBE274E7}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\53c968317fa86fa699ece5526cc315ed.JavaPortableMix.config	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{921F7C9E-E24A-4A9A-847C-1708FBE274E7}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{921F7C9E-E24A-4A9A-847C-1708FBE274E7}\ProgID\ = "53c968317fa86fa699ece5526cc315ed.JavaPortableMix.config"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1656 wrote to memory of 1832	1656	regsvr32.exe	14
PID 1656 wrote to memory of 1832	1656	regsvr32.exe	14
PID 1656 wrote to memory of 1832	1656	regsvr32.exe	14
PID 1656 wrote to memory of 1832	1656	regsvr32.exe	14
PID 1656 wrote to memory of 1832	1656	regsvr32.exe	14
PID 1656 wrote to memory of 1832	1656	regsvr32.exe	14
PID 1656 wrote to memory of 1832	1656	regsvr32.exe	14

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\53c968317fa86fa699ece5526cc315ed.dll
1⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:1832

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\53c968317fa86fa699ece5526cc315ed.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1656

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

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Downloads

memory/1832-0-0x000000003BAF0000-0x000000003BBFD000-memory.dmp

Filesize
1.1MB

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