1885ae767420b66f1e3b20ec582c2b985b2d392505e54597408fd285b562561b

Analysis

max time kernel
117s
max time network
122s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
25/06/2024, 05:20

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General

Target

0cc1940e41f6dbf6296de6814cb64313_JaffaCakes118.dll
Size

640KB
MD5

0cc1940e41f6dbf6296de6814cb64313
SHA1

e920ce26576658f98e168645e427cd3a08ee1c0c
SHA256

1885ae767420b66f1e3b20ec582c2b985b2d392505e54597408fd285b562561b
SHA512

6025965503f0dbc83aa0bcdf4a8ac8c3e788a3fdc959b63ea51d2fc352e6f820a331d89911c6bc733b79df555bdfdfb681c6ca33f1b4c88ded101dcebed18cc1
SSDEEP

12288:m0Et9YDc5DMWfT44XUDxoyiD02sHL1sLLr7h+2tePm:2tWDc/EXouPL1sLLvh+A+

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-E542-A622-4A67-83E63D255C82}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-E542-A622-4A67-83E63D255C82}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-E542-A622-4A67-83E63D255C82}\ = "brm inc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-E542-A622-4A67-83E63D255C82}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\0cc1940e41f6dbf6296de6814cb64313_JaffaCakes118.brm inc\ = "brm inc"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\0cc1940e41f6dbf6296de6814cb64313_JaffaCakes118.brm inc\Clsid\ = "{CC01FC6C-E542-A622-4A67-83E63D255C82}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-E542-A622-4A67-83E63D255C82}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0cc1940e41f6dbf6296de6814cb64313_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-E542-A622-4A67-83E63D255C82}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\0cc1940e41f6dbf6296de6814cb64313_JaffaCakes118.brm inc	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\0cc1940e41f6dbf6296de6814cb64313_JaffaCakes118.brm inc\Clsid	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-E542-A622-4A67-83E63D255C82}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-E542-A622-4A67-83E63D255C82}\ProgID\ = "0cc1940e41f6dbf6296de6814cb64313_JaffaCakes118.brm inc"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 920 wrote to memory of 3016	920	regsvr32.exe	28
PID 920 wrote to memory of 3016	920	regsvr32.exe	28
PID 920 wrote to memory of 3016	920	regsvr32.exe	28
PID 920 wrote to memory of 3016	920	regsvr32.exe	28
PID 920 wrote to memory of 3016	920	regsvr32.exe	28
PID 920 wrote to memory of 3016	920	regsvr32.exe	28
PID 920 wrote to memory of 3016	920	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\0cc1940e41f6dbf6296de6814cb64313_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:920
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\0cc1940e41f6dbf6296de6814cb64313_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:3016

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/3016-0-0x00000000005E0000-0x0000000000685000-memory.dmp

Filesize
660KB

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