e8249c3dac19a2f41bc17b9447ba2492432e2420447afa3373c85b0d2d1da230

Analysis

max time kernel
120s
max time network
145s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
26-12-2023 08:01

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General

Target

5e1bb08c4455540fcd871b58ee6ab645.dll
Size

634KB
MD5

5e1bb08c4455540fcd871b58ee6ab645
SHA1

ca57454685cb851a8af803ec60cdb1f04d2a9b81
SHA256

e8249c3dac19a2f41bc17b9447ba2492432e2420447afa3373c85b0d2d1da230
SHA512

10362af1b9687f2416da9b663955611fda90fb2e34d20948b759f811cd1b803ce14010231851e744d6f94f55b2180449fe76e3b934cef5e24e4d20176b15ad1e
SSDEEP

12288:XUdtFdMxDsGf7r63P8b5oxP7SMWsXKlwDD8cohZ/fO79s:EdTdM3X24oJlfK2Ephx

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\{CC01FC6C-D837-8889-A7AB-5F5D54852E68}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-D837-8889-A7AB-5F5D54852E68}\ProgID\ = "5e1bb08c4455540fcd871b58ee6ab645.axc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-D837-8889-A7AB-5F5D54852E68}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-D837-8889-A7AB-5F5D54852E68}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\5e1bb08c4455540fcd871b58ee6ab645.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\5e1bb08c4455540fcd871b58ee6ab645.axc	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\5e1bb08c4455540fcd871b58ee6ab645.axc\Clsid\ = "{CC01FC6C-D837-8889-A7AB-5F5D54852E68}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-D837-8889-A7AB-5F5D54852E68}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-D837-8889-A7AB-5F5D54852E68}\ = "axc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-D837-8889-A7AB-5F5D54852E68}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-D837-8889-A7AB-5F5D54852E68}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\5e1bb08c4455540fcd871b58ee6ab645.axc\ = "axc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\5e1bb08c4455540fcd871b58ee6ab645.axc\Clsid	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2868 wrote to memory of 2376	2868	regsvr32.exe	28
PID 2868 wrote to memory of 2376	2868	regsvr32.exe	28
PID 2868 wrote to memory of 2376	2868	regsvr32.exe	28
PID 2868 wrote to memory of 2376	2868	regsvr32.exe	28
PID 2868 wrote to memory of 2376	2868	regsvr32.exe	28
PID 2868 wrote to memory of 2376	2868	regsvr32.exe	28
PID 2868 wrote to memory of 2376	2868	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\5e1bb08c4455540fcd871b58ee6ab645.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2868
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\5e1bb08c4455540fcd871b58ee6ab645.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2376

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/2376-0-0x00000000007F0000-0x0000000000893000-memory.dmp

Filesize
652KB

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