46398d071cc17b6da3f9afd144f36ad6ac736b8f6bb62506833a8cfadf61ea71

Analysis

max time kernel
118s
max time network
123s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
19/07/2024, 21:19

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General

Target

5db5374f9b4dc62927cf32a2bdeeaf08_JaffaCakes118.dll
Size

44KB
MD5

5db5374f9b4dc62927cf32a2bdeeaf08
SHA1

24e406863100161cba72031e9284e335b96cd9f4
SHA256

46398d071cc17b6da3f9afd144f36ad6ac736b8f6bb62506833a8cfadf61ea71
SHA512

9c08cf9fc4a4e0ddd3ded0d7771143edf8067f34cf4d36e5b252e39b80ee95f1c979f1a1a2796706c0dc5dc7fa526a7741410fe4d86c5cfac153cc84fe229d2f
SSDEEP

768:HOQdhtlLfDoDi+zVvxOHZMGk61hh7xgVLE9AvJ:HXzzsDi0vy8ah7xgC9K

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\{8CF456C5-BAC8-441C-8C9F-861BFFDC0721}	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{8CF456C5-BAC8-441C-8C9F-861BFFDC0721}\NoExplorer = "1"	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8CF456C5-BAC8-441C-8C9F-861BFFDC0721}\InprocServer32	regsvr32.exe
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\{8CF456C5-BAC8-441C-8C9F-861BFFDC0721}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8CF456C5-BAC8-441C-8C9F-861BFFDC0721}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\5db5374f9b4dc62927cf32a2bdeeaf08_JaffaCakes118.dll"	regsvr32.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2576 wrote to memory of 1072	2576	regsvr32.exe	31
PID 2576 wrote to memory of 1072	2576	regsvr32.exe	31
PID 2576 wrote to memory of 1072	2576	regsvr32.exe	31
PID 2576 wrote to memory of 1072	2576	regsvr32.exe	31
PID 2576 wrote to memory of 1072	2576	regsvr32.exe	31
PID 2576 wrote to memory of 1072	2576	regsvr32.exe	31
PID 2576 wrote to memory of 1072	2576	regsvr32.exe	31
PID 1072 wrote to memory of 2568	1072	regsvr32.exe	32
PID 1072 wrote to memory of 2568	1072	regsvr32.exe	32
PID 1072 wrote to memory of 2568	1072	regsvr32.exe	32
PID 1072 wrote to memory of 2568	1072	regsvr32.exe	32
PID 1072 wrote to memory of 2568	1072	regsvr32.exe	32
PID 1072 wrote to memory of 2568	1072	regsvr32.exe	32
PID 1072 wrote to memory of 2568	1072	regsvr32.exe	32

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\5db5374f9b4dc62927cf32a2bdeeaf08_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2576
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\5db5374f9b4dc62927cf32a2bdeeaf08_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1072
- - C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\system32\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\5db5374f9b4dc62927cf32a2bdeeaf08_JaffaCakes118.dll",DllGetObjectType
    3⤵
    PID:2568

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

Windows 7 deprecation

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