00fc384cc2eda83e87065d23d8f8f0e24eb087f7a5761003f27b06cd05efc978

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
01-07-2024 08:38

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General

Target

1aa2715ae61b67d14efb9d3c901e6525_JaffaCakes118.dll
Size

635KB
MD5

1aa2715ae61b67d14efb9d3c901e6525
SHA1

8d970fa3f994147be0903cff7c6540e2aea0fc00
SHA256

00fc384cc2eda83e87065d23d8f8f0e24eb087f7a5761003f27b06cd05efc978
SHA512

4e3fff5c32917c56379f755d7ac2776c90bd4586f9ff7b36f0f0454fff94ad9f5564b494b2f40ecbe1a829e8dd80703733ef87f51160e1189df524eb4b278aa0
SSDEEP

12288:YM0t9FNcxDMmfrLAF8rZIRf2MmsXay0nmOjehL/fO79s:ItjNcXnVInvaTmThT

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

Processes:

regsvr32.exe

description ioc process

Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{CC01FC6C-88AC-DAAB-B8B6-217E1FC88B68} regsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{CC01FC6C-88AC-DAAB-B8B6-217E1FC88B68}	regsvr32.exe

Modifies registry class 11 IoCs

Processes:

regsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-88AC-DAAB-B8B6-217E1FC88B68}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-88AC-DAAB-B8B6-217E1FC88B68}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-88AC-DAAB-B8B6-217E1FC88B68}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1aa2715ae61b67d14efb9d3c901e6525_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\1aa2715ae61b67d14efb9d3c901e6525_JaffaCakes118.axc\ = "axc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\1aa2715ae61b67d14efb9d3c901e6525_JaffaCakes118.axc\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\1aa2715ae61b67d14efb9d3c901e6525_JaffaCakes118.axc\Clsid\ = "{CC01FC6C-88AC-DAAB-B8B6-217E1FC88B68}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-88AC-DAAB-B8B6-217E1FC88B68}\ = "axc"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-88AC-DAAB-B8B6-217E1FC88B68}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\1aa2715ae61b67d14efb9d3c901e6525_JaffaCakes118.axc	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-88AC-DAAB-B8B6-217E1FC88B68}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-88AC-DAAB-B8B6-217E1FC88B68}\ProgID\ = "1aa2715ae61b67d14efb9d3c901e6525_JaffaCakes118.axc"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

regsvr32.exe

description	pid	process	target process
PID 1760 wrote to memory of 1144	1760	regsvr32.exe	regsvr32.exe
PID 1760 wrote to memory of 1144	1760	regsvr32.exe	regsvr32.exe
PID 1760 wrote to memory of 1144	1760	regsvr32.exe	regsvr32.exe
PID 1760 wrote to memory of 1144	1760	regsvr32.exe	regsvr32.exe
PID 1760 wrote to memory of 1144	1760	regsvr32.exe	regsvr32.exe
PID 1760 wrote to memory of 1144	1760	regsvr32.exe	regsvr32.exe
PID 1760 wrote to memory of 1144	1760	regsvr32.exe	regsvr32.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\1aa2715ae61b67d14efb9d3c901e6525_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1760

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\1aa2715ae61b67d14efb9d3c901e6525_JaffaCakes118.dll
2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:1144

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Browser Extensions

T1176

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/1144-0-0x00000000007C0000-0x0000000000864000-memory.dmp

Filesize
656KB

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