d105ca1fd792d1386f4e6aa2d382e6398f7a3cc1d5de26cb1492f22564f786e5

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
03/07/2024, 06:30

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General

Target

2163647e4b03d89129052f04c6af1e4d_JaffaCakes118.dll
Size

556KB
MD5

2163647e4b03d89129052f04c6af1e4d
SHA1

d9e0133c6f69238b55a2d0a221e8e34eb7fb7324
SHA256

d105ca1fd792d1386f4e6aa2d382e6398f7a3cc1d5de26cb1492f22564f786e5
SHA512

aa73f6eda243634fe6c635e5c3f74e5625eba72e19aa088d58e791356f1fd955f9fb55fab0fcf715398badff11b0ab9fd03d96ca52e5bc25a87a02ed032fd9ab
SSDEEP

12288:byA1ZdqVfv/6HftOIA3+00wstpSdCi3TLdrvirwCYUVBw8:v1fqZCHwIr00taCiHR6rwLU

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-376A-CAF9-19C3-8CE9DF379821}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-376A-CAF9-19C3-8CE9DF379821}\ = "xx"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-376A-CAF9-19C3-8CE9DF379821}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2163647e4b03d89129052f04c6af1e4d_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-376A-CAF9-19C3-8CE9DF379821}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\2163647e4b03d89129052f04c6af1e4d_JaffaCakes118.xx\ = "xx"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\2163647e4b03d89129052f04c6af1e4d_JaffaCakes118.xx\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\2163647e4b03d89129052f04c6af1e4d_JaffaCakes118.xx\Clsid\ = "{CC01FC6C-376A-CAF9-19C3-8CE9DF379821}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-376A-CAF9-19C3-8CE9DF379821}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-376A-CAF9-19C3-8CE9DF379821}\ProgID\ = "2163647e4b03d89129052f04c6af1e4d_JaffaCakes118.xx"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-376A-CAF9-19C3-8CE9DF379821}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-376A-CAF9-19C3-8CE9DF379821}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\2163647e4b03d89129052f04c6af1e4d_JaffaCakes118.xx	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2312 wrote to memory of 1708	2312	regsvr32.exe	28
PID 2312 wrote to memory of 1708	2312	regsvr32.exe	28
PID 2312 wrote to memory of 1708	2312	regsvr32.exe	28
PID 2312 wrote to memory of 1708	2312	regsvr32.exe	28
PID 2312 wrote to memory of 1708	2312	regsvr32.exe	28
PID 2312 wrote to memory of 1708	2312	regsvr32.exe	28
PID 2312 wrote to memory of 1708	2312	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\2163647e4b03d89129052f04c6af1e4d_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2312
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\2163647e4b03d89129052f04c6af1e4d_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:1708

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/1708-0-0x0000000002250000-0x00000000022E0000-memory.dmp

Filesize
576KB

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