96a819bbb4276ecfcda3cc9adb493e7cc32b78bbd929139ba1212b4ec7492d79

Analysis

max time kernel
51s
max time network
51s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
22/06/2024, 04:28

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General

Target
0141a76dcee0d30e4a8cdc0d12a98fb0_JaffaCakes118.dll
Size 531KB
Sample240622-e3w2zaxhpe
SHA256 96a819bbb4276ecfcda3cc9adb493e7cc32b78bbd929139ba1212b4ec7492d79
MD5 0141a76dcee0d30e4a8cdc0d12a98fb0
SHA1 b40c9e9c1e71e6a7625e6ee22c75254a8b75e9d9
SHA512 e8e82ded265e61b1df584867e38aae95747ab4a2dc06ff0b3e9bf689aa6cb441db9b6ec66fa2bbdfd95b5283aff2f2a4e0678e1fdd6c3ace74443bd52c9735e2
SSDEEP 12288:PGyn/5yhRNebmnUPLfyKp6tCgxSddsnyiqH:PBn/5cqmUjfX3ddsnV
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\{00000000-0000-0000-0000-000000000000}	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{00000000-0000-0000-0000-000000000000}\NoExplorer = "1"	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00000000-0000-0000-0000-000000000000}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00000000-0000-0000-0000-000000000000}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00000000-0000-0000-0000-000000000000}\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00000000-0000-0000-0000-000000000000}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00000000-0000-0000-0000-000000000000}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0141a76dcee0d30e4a8cdc0d12a98fb0_JaffaCakes118.dll"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 648 wrote to memory of 2384	648	regsvr32.exe	81
PID 648 wrote to memory of 2384	648	regsvr32.exe	81
PID 648 wrote to memory of 2384	648	regsvr32.exe	81

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\0141a76dcee0d30e4a8cdc0d12a98fb0_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:648
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\0141a76dcee0d30e4a8cdc0d12a98fb0_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2384

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/2384-0-0x00000000009D0000-0x0000000000A53000-memory.dmp

Download

memory/2384-1-0x0000000000A90000-0x0000000000A91000-memory.dmp