22bf37a5052575763725a84df3612d5cee27f6d74ef653f10d9303e848ee9d89

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
13/07/2024, 13:06

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General

Target

41cb225fa81d4337ac1c4cc305fe7c6d_JaffaCakes118.dll
Size

438KB
MD5

41cb225fa81d4337ac1c4cc305fe7c6d
SHA1

f6da965bbf22735242fca6522c097bfb093ee0c2
SHA256

22bf37a5052575763725a84df3612d5cee27f6d74ef653f10d9303e848ee9d89
SHA512

aae2edb1b81ca2400277e0db970cceff85166382606e58d193d09f057d6b24230c0e2d73d91307e88b38b05bc3fc45f7f7764f291fe1329a4746810cbd640dee
SSDEEP

6144:0QxCf/NEaRW9illkaJK69jAz3P/3zrYvR+97VWN1Y4cG3XZf59sAXTl1GAV5tKnl:vxy/NgEPJK69GXsxNRPB1GqbLiN

Score

6^/10

adware stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 2 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\{B69F34DD-F0F9-42DC-9EDD-957187DA688D}asd	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{B69F34DD-F0F9-42DC-9EDD-957187DA688D}asd\ = "360°²È«ÎÀÊ¿"	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B69F34DD-F0F9-42DC-9EDD-957187DA688D}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B69F34DD-F0F9-42DC-9EDD-957187DA688D}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\41cb225fa81d4337ac1c4cc305fe7c6d_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B69F34DD-F0F9-42DC-9EDD-957187DA688D}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\41cb225fa81d4337ac1c4cc305fe7c6d_JaffaCakes118.360SafeMode\ = "Safemon class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\41cb225fa81d4337ac1c4cc305fe7c6d_JaffaCakes118.360SafeMode\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\41cb225fa81d4337ac1c4cc305fe7c6d_JaffaCakes118.360SafeMode\Clsid\ = "{B69F34DD-F0F9-42DC-9EDD-957187DA688D}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B69F34DD-F0F9-42DC-9EDD-957187DA688D}\ProgID\ = "41cb225fa81d4337ac1c4cc305fe7c6d_JaffaCakes118.360SafeMode"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B69F34DD-F0F9-42DC-9EDD-957187DA688D}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B69F34DD-F0F9-42DC-9EDD-957187DA688D}\ = "Safemon class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B69F34DD-F0F9-42DC-9EDD-957187DA688D}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\41cb225fa81d4337ac1c4cc305fe7c6d_JaffaCakes118.360SafeMode	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2312 wrote to memory of 828	2312	regsvr32.exe	31
PID 2312 wrote to memory of 828	2312	regsvr32.exe	31
PID 2312 wrote to memory of 828	2312	regsvr32.exe	31
PID 2312 wrote to memory of 828	2312	regsvr32.exe	31
PID 2312 wrote to memory of 828	2312	regsvr32.exe	31
PID 2312 wrote to memory of 828	2312	regsvr32.exe	31
PID 2312 wrote to memory of 828	2312	regsvr32.exe	31

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\41cb225fa81d4337ac1c4cc305fe7c6d_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2312
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\41cb225fa81d4337ac1c4cc305fe7c6d_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:828

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/828-0-0x00000000001E0000-0x0000000000253000-memory.dmp

Filesize
460KB

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