19c619da64d79c47eb6660bbf280604bdf51e1855d102033ce36d469207f5731

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, 10:26

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General

Target
01a40cf25f5b7610afdd66f38c57643a_JaffaCakes118.dll
Size 468KB
Sample240622-mgjthstfme
SHA256 19c619da64d79c47eb6660bbf280604bdf51e1855d102033ce36d469207f5731
MD5 01a40cf25f5b7610afdd66f38c57643a
SHA1 895267cb9f628a4672b6d5a2cb53d8b9013ab048
SHA512 db1019003d3250f92a9526fb0f2cd2719d01e59825e2ea12d0647ac9f1ce5ca8d3135191bcaea30deccfb917e9000fcd79000215784341fdccd72a24be5a2187
SSDEEP 12288:JKYsh77NB8s9DTH2Qdje4Z+M+M8910H0AAfP:Jah77Ll9DD2Yf+M8n0HdO
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\{c397044f-b3e3-8574-41d7-585b79b95f91}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{c397044f-b3e3-8574-41d7-585b79b95f91}\NoExplorer = "\"\""	regsvr32.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\Explorer Bars\{1280e811-f841-6e74-85b6-d9ffd48f9e99}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\Explorer Bars	regsvr32.exe

Modifies registry class 15 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{c397044f-b3e3-8574-41d7-585b79b95f91}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1280e811-f841-6e74-85b6-d9ffd48f9e99}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1280e811-f841-6e74-85b6-d9ffd48f9e99}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{c397044f-b3e3-8574-41d7-585b79b95f91}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{c397044f-b3e3-8574-41d7-585b79b95f91}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\01a40cf25f5b7610afdd66f38c57643a_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1280e811-f841-6e74-85b6-d9ffd48f9e99}\Implemented Categories\{00021493-0000-0000-C000-000000000046}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{c397044f-b3e3-8574-41d7-585b79b95f91}\ = "mysidesearch search enhancer"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1280e811-f841-6e74-85b6-d9ffd48f9e99}\ = "Search panel"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1280e811-f841-6e74-85b6-d9ffd48f9e99}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1280e811-f841-6e74-85b6-d9ffd48f9e99}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\01a40cf25f5b7610afdd66f38c57643a_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1280e811-f841-6e74-85b6-d9ffd48f9e99}\Implemented Categories	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{c397044f-b3e3-8574-41d7-585b79b95f91}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1280e811-f841-6e74-85b6-d9ffd48f9e99}	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3936 wrote to memory of 4812	3936	regsvr32.exe	81
PID 3936 wrote to memory of 4812	3936	regsvr32.exe	81
PID 3936 wrote to memory of 4812	3936	regsvr32.exe	81

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\01a40cf25f5b7610afdd66f38c57643a_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3936
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\01a40cf25f5b7610afdd66f38c57643a_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies Internet Explorer settings
  - Modifies registry class
  PID:4812

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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