4fa74f3aec59dfdb42461ce43bc15a044bee1f3a0ebe2c377bbc145d3a3ce1e7

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
08/04/2024, 05:53

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General

Target
e6c5b305534cc60ac4cc1dfcd95b5afd_JaffaCakes118.dll
Size 105KB
Sample240408-glknqaac32
SHA256 4fa74f3aec59dfdb42461ce43bc15a044bee1f3a0ebe2c377bbc145d3a3ce1e7
MD5 e6c5b305534cc60ac4cc1dfcd95b5afd
SHA1 24dbe317df26b208fc5cfde997521fa68a5f1674
SHA512 5bcc140b440833112c8869654bfc0dc30f915bf5cefdc1c2b852314b23899d3d38939b6e85c7a28a08483600b66fd7492e48dd6a4903f249a1eaed2076d6a565
SSDEEP 3072:TuccebESIQPny55sMnQReJ3IOD8GdvNmUc6Kx:TuDebc/53Qo3IOD9dvLI
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

adware stealer upx

Malware Config

Signatures

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4296-1-0x0000000000400000-0x0000000000437000-memory.dmp	upx
behavioral2/memory/4296-2-0x0000000000400000-0x0000000000437000-memory.dmp	upx
behavioral2/memory/4296-4-0x0000000000400000-0x0000000000437000-memory.dmp	upx

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\{88FE102C-581D-4FCB-8BBE-1A369CA4E2F3}	rundll32.exe

Modifies registry class 6 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{88FE102C-581D-4FCB-8BBE-1A369CA4E2F3}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\e6c5b305534cc60ac4cc1dfcd95b5afd_JaffaCakes118.dll"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{88FE102C-581D-4FCB-8BBE-1A369CA4E2F3}\InprocServer32\ThreadingModel = "apartment"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{88FE102C-581D-4FCB-8BBE-1A369CA4E2F3}\InprocServer32	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{88FE102C-581D-4FCB-8BBE-1A369CA4E2F3}	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2904 wrote to memory of 4296	2904	rundll32.exe	85
PID 2904 wrote to memory of 4296	2904	rundll32.exe	85
PID 2904 wrote to memory of 4296	2904	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e6c5b305534cc60ac4cc1dfcd95b5afd_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2904
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e6c5b305534cc60ac4cc1dfcd95b5afd_JaffaCakes118.dll,#1
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:4296

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

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Downloads

memory/4296-0-0x0000000000540000-0x000000000057A000-memory.dmp

Download

memory/4296-1-0x0000000000400000-0x0000000000437000-memory.dmp

Download

memory/4296-2-0x0000000000400000-0x0000000000437000-memory.dmp

Download

memory/4296-3-0x0000000000540000-0x000000000057A000-memory.dmp

Download

memory/4296-4-0x0000000000400000-0x0000000000437000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads