d131161b8e0c51e4103076d72d2d2e6721ed221d12fcdad3958a83bd2923f832

Analysis

max time kernel
92s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
02/05/2024, 09:28

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General

Target
0e1fc303b84cecfd64a46a1f4b09cadf_JaffaCakes118.dll
Size 653KB
Sample240502-lfdqfaea5t
SHA256 d131161b8e0c51e4103076d72d2d2e6721ed221d12fcdad3958a83bd2923f832
MD5 0e1fc303b84cecfd64a46a1f4b09cadf
SHA1 edd2eed0eb8a842e2ab01fb14779d7e3a101adfd
SHA512 6fd21f17c112211ade4ec3ee8988deca94c217542e95fa12b3c54ef8c06d624bc51c3a1acdbb10cf4347be68443ae518a2f8ad943b216b475cd970c44988aecb
SSDEEP 12288:xQVhtyd+qrIjAhC/g/orSHeEJI6ILvF9PJzxCtV8xKFnf+:CVfyfthDWStZ+LC8xOnf
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-1D61-1B44-8286-8E8BC8BA31E3}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-1D61-1B44-8286-8E8BC8BA31E3}\ = "sh"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-1D61-1B44-8286-8E8BC8BA31E3}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0e1fc303b84cecfd64a46a1f4b09cadf_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\0e1fc303b84cecfd64a46a1f4b09cadf_JaffaCakes118.sh	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\0e1fc303b84cecfd64a46a1f4b09cadf_JaffaCakes118.sh\ = "sh"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\0e1fc303b84cecfd64a46a1f4b09cadf_JaffaCakes118.sh\Clsid\ = "{CC01FC6C-1D61-1B44-8286-8E8BC8BA31E3}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-1D61-1B44-8286-8E8BC8BA31E3}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-1D61-1B44-8286-8E8BC8BA31E3}\ProgID\ = "0e1fc303b84cecfd64a46a1f4b09cadf_JaffaCakes118.sh"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-1D61-1B44-8286-8E8BC8BA31E3}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-1D61-1B44-8286-8E8BC8BA31E3}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-1D61-1B44-8286-8E8BC8BA31E3}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\0e1fc303b84cecfd64a46a1f4b09cadf_JaffaCakes118.sh\Clsid	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4080 wrote to memory of 4216	4080	regsvr32.exe	83
PID 4080 wrote to memory of 4216	4080	regsvr32.exe	83
PID 4080 wrote to memory of 4216	4080	regsvr32.exe	83

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\0e1fc303b84cecfd64a46a1f4b09cadf_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4080
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\0e1fc303b84cecfd64a46a1f4b09cadf_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:4216

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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