ef636152272f611a29a78685dc0fe6926ee670d3544d0cffda8ea84e783832d4

Analysis

max time kernel
138s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
01/05/2024, 20:01

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General

Target
0cb7acc2b0ba2669840ef5139adf7ce2_JaffaCakes118.dll
Size 208KB
Sample240501-yrs1qahe75
SHA256 ef636152272f611a29a78685dc0fe6926ee670d3544d0cffda8ea84e783832d4
MD5 0cb7acc2b0ba2669840ef5139adf7ce2
SHA1 28e5046fced6e110c408d50e5a87bb93718f0a17
SHA512 1f6bbf8bb7095094180886c06a160b7b0be13366d1a38f394b66116b2d2b6c9ce9e70d1ebd6f3cb99ab004e7fe0e79ae389a2ba7256aa44114d2248899b4ff4e
SSDEEP 3072:Pq2PJVJOs1qpmu2/oUJGc+DkNXlKbGhAuEv/EmPL2PIKXECteBbINW/p5w/dLHD:i2P5F1Ak/x55E8miOsIXw
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\{8242FAA0-937B-42B0-B674-88B234E2BA07}	regsvr32.exe

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8242FAA0-937B-42B0-B674-88B234E2BA07}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8242FAA0-937B-42B0-B674-88B234E2BA07}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0cb7acc2b0ba2669840ef5139adf7ce2_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8242FAA0-937B-42B0-B674-88B234E2BA07}\InprocServer32\ThreadingModel = "apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8242FAA0-937B-42B0-B674-88B234E2BA07}\InprocServer32	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 800 wrote to memory of 3744	800	regsvr32.exe	84
PID 800 wrote to memory of 3744	800	regsvr32.exe	84
PID 800 wrote to memory of 3744	800	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\0cb7acc2b0ba2669840ef5139adf7ce2_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:800
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\0cb7acc2b0ba2669840ef5139adf7ce2_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:3744

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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