41dccfc21b37ff0440f96a6e881f061b64ab170ceb3e82b783c3ae241cd12d96

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
21/06/2024, 23:19

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General

Target
00286181a564272138a7028fc6cb5685_JaffaCakes118.dll
Size 567KB
Sample240621-3a2nrayfpn
SHA256 41dccfc21b37ff0440f96a6e881f061b64ab170ceb3e82b783c3ae241cd12d96
MD5 00286181a564272138a7028fc6cb5685
SHA1 576496052125934bb8bdb6397c97dfa29fb7ee2f
SHA512 47d0fab77c9a674a32907ebd3556095292eb12317d30a9b9f8db5765323f7f2ebded92aa131b8204b875484ec9963ac25c472d41665e374c41bfbea7c4d5d14f
SSDEEP 12288:wHCqAM6vj9ASYe9dPSQBN9KtJ6IMLxaoSDVjEty7RiT1:wiqTyp3PSQNKP9MLxaoS2ty7c
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-6687-CEA1-B524-EB98E8879577}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-6687-CEA1-B524-EB98E8879577}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\00286181a564272138a7028fc6cb5685_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-6687-CEA1-B524-EB98E8879577}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\00286181a564272138a7028fc6cb5685_JaffaCakes118.sh\ = "sh"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\00286181a564272138a7028fc6cb5685_JaffaCakes118.sh\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\00286181a564272138a7028fc6cb5685_JaffaCakes118.sh\Clsid\ = "{CC01FC6C-6687-CEA1-B524-EB98E8879577}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-6687-CEA1-B524-EB98E8879577}\ProgID\ = "00286181a564272138a7028fc6cb5685_JaffaCakes118.sh"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-6687-CEA1-B524-EB98E8879577}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-6687-CEA1-B524-EB98E8879577}\ = "sh"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-6687-CEA1-B524-EB98E8879577}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\00286181a564272138a7028fc6cb5685_JaffaCakes118.sh	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-6687-CEA1-B524-EB98E8879577}\ProgID	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2176 wrote to memory of 1308	2176	regsvr32.exe	28
PID 2176 wrote to memory of 1308	2176	regsvr32.exe	28
PID 2176 wrote to memory of 1308	2176	regsvr32.exe	28
PID 2176 wrote to memory of 1308	2176	regsvr32.exe	28
PID 2176 wrote to memory of 1308	2176	regsvr32.exe	28
PID 2176 wrote to memory of 1308	2176	regsvr32.exe	28
PID 2176 wrote to memory of 1308	2176	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\00286181a564272138a7028fc6cb5685_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2176
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\00286181a564272138a7028fc6cb5685_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:1308

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/1308-0-0x0000000002140000-0x00000000021D2000-memory.dmp

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