c2e50066d393668ac88468ef0d1197ae8ca08c866edb3c6bf21483914ff12d13

Analysis

max time kernel
121s
max time network
126s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
31/12/2023, 13:04

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General

Target

373268de5e9430439d807e6286b08b7a.dll
Size

562KB
MD5

373268de5e9430439d807e6286b08b7a
SHA1

4e9d73216f26cab1c61e73e923cfd22586e31855
SHA256

c2e50066d393668ac88468ef0d1197ae8ca08c866edb3c6bf21483914ff12d13
SHA512

897bfe985c7818d328181da8ccaf20c175181f136e4b77d1b8220b8d993bc7c0acb871d3ea905bcaeea4a0fea85696ffd4cdd2d49347bd190022226caee4c2b1
SSDEEP

12288:n0Et9YDc/Tk4Po4wSSqodPF9C2vTgYn33xeRg:ltWDcw4o4Ts/9Ckn4R

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-AA48-72B2-EE17-F45AE17B127D}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\373268de5e9430439d807e6286b08b7a.sh	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-AA48-72B2-EE17-F45AE17B127D}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-AA48-72B2-EE17-F45AE17B127D}\ProgID\ = "373268de5e9430439d807e6286b08b7a.sh"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-AA48-72B2-EE17-F45AE17B127D}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-AA48-72B2-EE17-F45AE17B127D}\ = "sh"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-AA48-72B2-EE17-F45AE17B127D}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-AA48-72B2-EE17-F45AE17B127D}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\373268de5e9430439d807e6286b08b7a.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-AA48-72B2-EE17-F45AE17B127D}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\373268de5e9430439d807e6286b08b7a.sh\ = "sh"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\373268de5e9430439d807e6286b08b7a.sh\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\373268de5e9430439d807e6286b08b7a.sh\Clsid\ = "{CC01FC6C-AA48-72B2-EE17-F45AE17B127D}"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2896 wrote to memory of 2208	2896	regsvr32.exe	28
PID 2896 wrote to memory of 2208	2896	regsvr32.exe	28
PID 2896 wrote to memory of 2208	2896	regsvr32.exe	28
PID 2896 wrote to memory of 2208	2896	regsvr32.exe	28
PID 2896 wrote to memory of 2208	2896	regsvr32.exe	28
PID 2896 wrote to memory of 2208	2896	regsvr32.exe	28
PID 2896 wrote to memory of 2208	2896	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\373268de5e9430439d807e6286b08b7a.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2896
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\373268de5e9430439d807e6286b08b7a.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2208

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/2208-0-0x0000000000280000-0x0000000000312000-memory.dmp

Filesize
584KB

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