be8cfb44565d79145695ed95e39b7d01b3f65d360ff4c6feebb2f45cde6843d7

Analysis

max time kernel
135s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21/08/2024, 17:08

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General

Target

b44e952af9778c1f804090e029bfda21_JaffaCakes118.dll
Size

562KB
MD5

b44e952af9778c1f804090e029bfda21
SHA1

baa21509c706946b177b280f8e6bc1882211bcfd
SHA256

be8cfb44565d79145695ed95e39b7d01b3f65d360ff4c6feebb2f45cde6843d7
SHA512

7b9978e4857d8f543c12c313d7791959e54e85ae617f7ff3ceda92499d2cf829fe52e0daeb0f356eac582e08a2e8bbb2d8397b672ca1e6c41d3c01e8c2198d57
SSDEEP

12288:w0Et9YDc/Tk4Po4wSSqodPF9C2vTgYnobloR6:YtWDcw4o4Ts/9CkncOR

Score

6^/10

adware discovery 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-688A-1F35-2243-8F28AB5A2399}	regsvr32.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\b44e952af9778c1f804090e029bfda21_JaffaCakes118.sh\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\b44e952af9778c1f804090e029bfda21_JaffaCakes118.sh\Clsid\ = "{CC01FC6C-688A-1F35-2243-8F28AB5A2399}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-688A-1F35-2243-8F28AB5A2399}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\b44e952af9778c1f804090e029bfda21_JaffaCakes118.sh	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-688A-1F35-2243-8F28AB5A2399}\ = "sh"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-688A-1F35-2243-8F28AB5A2399}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-688A-1F35-2243-8F28AB5A2399}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b44e952af9778c1f804090e029bfda21_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-688A-1F35-2243-8F28AB5A2399}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\b44e952af9778c1f804090e029bfda21_JaffaCakes118.sh\ = "sh"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-688A-1F35-2243-8F28AB5A2399}\ProgID\ = "b44e952af9778c1f804090e029bfda21_JaffaCakes118.sh"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-688A-1F35-2243-8F28AB5A2399}	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3404 wrote to memory of 4512	3404	regsvr32.exe	84
PID 3404 wrote to memory of 4512	3404	regsvr32.exe	84
PID 3404 wrote to memory of 4512	3404	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\b44e952af9778c1f804090e029bfda21_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3404
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\b44e952af9778c1f804090e029bfda21_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:4512

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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