6f8d825d6544bd61cb15ed84f7969d52decb4fe377d063a93bfaee21b665340e

Analysis

max time kernel
146s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
10/04/2024, 17:28

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General

Target
eb9b94246667e66780ba4519e273637d_JaffaCakes118.dll
Size 611KB
Sample240410-v116xaaa71
SHA256 6f8d825d6544bd61cb15ed84f7969d52decb4fe377d063a93bfaee21b665340e
MD5 eb9b94246667e66780ba4519e273637d
SHA1 92ec13371753a86042d13a056dd71f5fb4a5fe14
SHA512 e4aa4c7000e3807299cf061be5d0da646bc0d4ffd5dc5891538e691d9513f79324316bdeb6effc6079ef9f969a4c04aff126f2b219d208f57d5bb937f9561fc9
SSDEEP 12288:ryA1ZdqVfv/6HftOIA3+00wstpSdCi3TLdrviiA/dGg/VBwlHeIBv7pj:f1fqZCHwIr00taCiHR6jdL/meIBT
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-8C52-469A-4EDA-D999E7A6B178}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\eb9b94246667e66780ba4519e273637d_JaffaCakes118.sb\Clsid	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-8C52-469A-4EDA-D999E7A6B178}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-8C52-469A-4EDA-D999E7A6B178}\ProgID\ = "eb9b94246667e66780ba4519e273637d_JaffaCakes118.sb"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-8C52-469A-4EDA-D999E7A6B178}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-8C52-469A-4EDA-D999E7A6B178}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\eb9b94246667e66780ba4519e273637d_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-8C52-469A-4EDA-D999E7A6B178}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\eb9b94246667e66780ba4519e273637d_JaffaCakes118.sb	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-8C52-469A-4EDA-D999E7A6B178}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-8C52-469A-4EDA-D999E7A6B178}\ = "sb"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\eb9b94246667e66780ba4519e273637d_JaffaCakes118.sb\ = "sb"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\eb9b94246667e66780ba4519e273637d_JaffaCakes118.sb\Clsid\ = "{CC01FC6C-8C52-469A-4EDA-D999E7A6B178}"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1636 wrote to memory of 456	1636	regsvr32.exe	83
PID 1636 wrote to memory of 456	1636	regsvr32.exe	83
PID 1636 wrote to memory of 456	1636	regsvr32.exe	83

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\eb9b94246667e66780ba4519e273637d_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1636
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\eb9b94246667e66780ba4519e273637d_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:456

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/456-0-0x0000000001F50000-0x0000000001FEE000-memory.dmp

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