d8e10ad3c03c7c6710abe1661b777907af72e1ca6534f3dfc48aa5d7adfed9f2

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
15/04/2024, 11:17

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General

Target
f0ee4e2f5edd9ce5a8fd63825e477131_JaffaCakes118.dll
Size 611KB
Sample240415-nd7xlsfd5v
SHA256 d8e10ad3c03c7c6710abe1661b777907af72e1ca6534f3dfc48aa5d7adfed9f2
MD5 f0ee4e2f5edd9ce5a8fd63825e477131
SHA1 d182116148372b68eb533fc7c54278ba5f492f9b
SHA512 6552570cabc111543f12296cd4e46862a49405957edea7f828e47ec4479a23622cbb1f74531654b20f0ea6a2ba44ad50fed6735b3295a29270f3ebd962c3cc93
SSDEEP 12288:byA1ZdqVfv/6HftOIA3+00wstpSdCi3TLdrvitAsxzXwVBwgHeIBv7pj:v1fqZCHwIr00taCiHR6ZpwzeIBT
MD5 SHA1 SHA512 SSDEEP

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-D8E2-8D1F-34A9-1C9B28377E3C}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\f0ee4e2f5edd9ce5a8fd63825e477131_JaffaCakes118.sb\ = "sb"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\f0ee4e2f5edd9ce5a8fd63825e477131_JaffaCakes118.sb\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\f0ee4e2f5edd9ce5a8fd63825e477131_JaffaCakes118.sb\Clsid\ = "{CC01FC6C-D8E2-8D1F-34A9-1C9B28377E3C}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-D8E2-8D1F-34A9-1C9B28377E3C}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-D8E2-8D1F-34A9-1C9B28377E3C}\ = "sb"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-D8E2-8D1F-34A9-1C9B28377E3C}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\f0ee4e2f5edd9ce5a8fd63825e477131_JaffaCakes118.sb	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-D8E2-8D1F-34A9-1C9B28377E3C}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-D8E2-8D1F-34A9-1C9B28377E3C}\ProgID\ = "f0ee4e2f5edd9ce5a8fd63825e477131_JaffaCakes118.sb"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-D8E2-8D1F-34A9-1C9B28377E3C}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-D8E2-8D1F-34A9-1C9B28377E3C}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\f0ee4e2f5edd9ce5a8fd63825e477131_JaffaCakes118.dll"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1840 wrote to memory of 244	1840	regsvr32.exe	85
PID 1840 wrote to memory of 244	1840	regsvr32.exe	85
PID 1840 wrote to memory of 244	1840	regsvr32.exe	85

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\f0ee4e2f5edd9ce5a8fd63825e477131_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1840
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\f0ee4e2f5edd9ce5a8fd63825e477131_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:244

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/244-0-0x00000000008C0000-0x000000000095E000-memory.dmp

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