3e893d2dca838be4a06344684e09ae89fc321c25418055a1ba13854a83ba1f04

Analysis

max time kernel
117s
max time network
121s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
11/07/2024, 18:40

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

3a4e9a4ae3810698d90cfccc40d4a9b6_JaffaCakes118.dll
Size

447KB
MD5

3a4e9a4ae3810698d90cfccc40d4a9b6
SHA1

b99db906a9a896a8122de6913c35e9fc603e68ae
SHA256

3e893d2dca838be4a06344684e09ae89fc321c25418055a1ba13854a83ba1f04
SHA512

c63f19161c5d3421afcdf27f8ef87b8c8a693a4172196122ebf01218ce535c50fd63be7e48977454dc65f4456c0bfcf8b5dcc4e6fe29858120654ca4879085d8
SSDEEP

6144:t7xlMsR4E8AspZzgcSTkmXuOp+vOrj+hMG7c4J5Eq4YjjewWJM2gEu16RVDlpfbO:3ZiSZc0luOpKjcpLSjRb6brgtV

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\{B15155BF-797C-4DF6-B73C-2875ED9831C6}	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{B15155BF-797C-4DF6-B73C-2875ED9831C6}\NoExplorer = "1"	regsvr32.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_ENABLE_SCRIPT_PASTE_URLACTION_IF_PROMPT	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\FeatureControl\FEATURE_ENABLE_SCRIPT_PASTE_URLACTION_IF_PROMPT\iexplore.exe = "1"	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B15155BF-797C-4DF6-B73C-2875ED9831C6}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B15155BF-797C-4DF6-B73C-2875ED9831C6}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B15155BF-797C-4DF6-B73C-2875ED9831C6}\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B15155BF-797C-4DF6-B73C-2875ED9831C6}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B15155BF-797C-4DF6-B73C-2875ED9831C6}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3a4e9a4ae3810698d90cfccc40d4a9b6_JaffaCakes118.dll"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2284 wrote to memory of 2324	2284	regsvr32.exe	31
PID 2284 wrote to memory of 2324	2284	regsvr32.exe	31
PID 2284 wrote to memory of 2324	2284	regsvr32.exe	31
PID 2284 wrote to memory of 2324	2284	regsvr32.exe	31
PID 2284 wrote to memory of 2324	2284	regsvr32.exe	31
PID 2284 wrote to memory of 2324	2284	regsvr32.exe	31
PID 2284 wrote to memory of 2324	2284	regsvr32.exe	31

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\3a4e9a4ae3810698d90cfccc40d4a9b6_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2284
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\3a4e9a4ae3810698d90cfccc40d4a9b6_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies Internet Explorer settings
  - Modifies registry class
  PID:2324

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

Loading Replay Monitor...

Downloads

memory/2324-1-0x0000000000170000-0x0000000000177000-memory.dmp

Filesize
28KB

Download
memory/2324-0-0x0000000000A70000-0x0000000000BCB000-memory.dmp

Filesize
1.4MB

Download
memory/2324-2-0x0000000000170000-0x0000000000177000-memory.dmp

Filesize
28KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads