6365f536bb4288d3e161c6267b6fd02db8a8861ebf5a8bb3a2de6a4257e470ab

Analysis

max time kernel
51s
max time network
52s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
27/06/2024, 18:45

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General

Target

171bbe7422a0b50852500c9727ff6514_JaffaCakes118.dll
Size

232KB
MD5

171bbe7422a0b50852500c9727ff6514
SHA1

c231fbea37a56bbfe7196e81d0a555aba816d203
SHA256

6365f536bb4288d3e161c6267b6fd02db8a8861ebf5a8bb3a2de6a4257e470ab
SHA512

5cc97af400d43e7282195333fd42648e8fb05002c747eff5ffb605eb4c741fa04a0761a781a1a4d344abab58451272f07ee60f96620d0aa49354d8da7ca00d25
SSDEEP

6144:0ahv75iH71UHwTgvOKg+wgUNnmHb1p1ZRS7fjdnKN:775ib1UQg2SwgZRZIfhnU

Score

7^/10

adware stealer upx

Malware Config

Signatures

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4152-0-0x0000000000400000-0x00000000004A2000-memory.dmp	upx

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-6CEB-64DD-188A-963D683DD659}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\171bbe7422a0b50852500c9727ff6514_JaffaCakes118.sb	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-6CEB-64DD-188A-963D683DD659}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-6CEB-64DD-188A-963D683DD659}\ProgID\ = "171bbe7422a0b50852500c9727ff6514_JaffaCakes118.sb"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-6CEB-64DD-188A-963D683DD659}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-6CEB-64DD-188A-963D683DD659}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-6CEB-64DD-188A-963D683DD659}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\171bbe7422a0b50852500c9727ff6514_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-6CEB-64DD-188A-963D683DD659}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\171bbe7422a0b50852500c9727ff6514_JaffaCakes118.sb\ = "sb"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\171bbe7422a0b50852500c9727ff6514_JaffaCakes118.sb\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\171bbe7422a0b50852500c9727ff6514_JaffaCakes118.sb\Clsid\ = "{CC01FC6C-6CEB-64DD-188A-963D683DD659}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-6CEB-64DD-188A-963D683DD659}\ = "sb"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 640 wrote to memory of 4152	640	regsvr32.exe	80
PID 640 wrote to memory of 4152	640	regsvr32.exe	80
PID 640 wrote to memory of 4152	640	regsvr32.exe	80

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\171bbe7422a0b50852500c9727ff6514_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:640
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\171bbe7422a0b50852500c9727ff6514_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:4152

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/4152-0-0x0000000000400000-0x00000000004A2000-memory.dmp

Filesize
648KB

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