16a3c9d69e5ea81fed36428e6ef092576487df2a2dd9da7daab02d8ee178a98f

Analysis

max time kernel
92s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
11/04/2024, 19:08

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General

Target
ee2351d0dbd5d4dd4391a79fdf18646e_JaffaCakes118.dll
Size 48KB
Sample240411-xtfyhadf3t
SHA256 16a3c9d69e5ea81fed36428e6ef092576487df2a2dd9da7daab02d8ee178a98f
MD5 ee2351d0dbd5d4dd4391a79fdf18646e
SHA1 3fb382c1e6c98ecbd222a377aec4e37c9e9825e5
SHA512 4e6e7ff7946e817f25e76af4b108a48ce23ed41e9bc776b1f9764300306433e4b313805ded33a8f70cc60df566402d0fb13313093dd91d137e25cfc7922b8252
SSDEEP 768:G3dp1uyVQsjwpKgDcyZkAW3s8J0Mt4U9vaBNm:a1DVQsjwpKgDcydZ40s9U
MD5 SHA1 SHA512 SSDEEP

Score

6^/10

adware stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 2 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	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{ED18092E-DB64-55CD-C7F5-4EC92EEB1215}	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ED18092E-DB64-55CD-C7F5-4EC92EEB1215}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ED18092E-DB64-55CD-C7F5-4EC92EEB1215}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ED18092E-DB64-55CD-C7F5-4EC92EEB1215}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ee2351d0dbd5d4dd4391a79fdf18646e_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ED18092E-DB64-55CD-C7F5-4EC92EEB1215}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000_Classes\WOW6432Node\CLSID\{E41DC6D5-7692-BD9D-3C05-F4C701DCC621}	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 956 wrote to memory of 644	956	regsvr32.exe	85
PID 956 wrote to memory of 644	956	regsvr32.exe	85
PID 956 wrote to memory of 644	956	regsvr32.exe	85

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ee2351d0dbd5d4dd4391a79fdf18646e_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:956
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\ee2351d0dbd5d4dd4391a79fdf18646e_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:644

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/644-0-0x0000000010000000-0x000000001000C000-memory.dmp

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