7bc1a6c9ef51390497454813619f4b75291338c195d12074c4596a83cf1afe21

Analysis

max time kernel
93s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04/10/2024, 19:30

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General

Target

14a82d0d8cb55f1961271410c40c74a2_JaffaCakes118.dll
Size

88KB
MD5

14a82d0d8cb55f1961271410c40c74a2
SHA1

3a7c158075fcd770859d836a127f87c030f7e55e
SHA256

7bc1a6c9ef51390497454813619f4b75291338c195d12074c4596a83cf1afe21
SHA512

1f8f59ac3569ea3f50051a49bef9ee33e23dae1628a3827f0571a3a93232315c97fbf3a8c6e983b3b60a40063ed4bbe4a83716dd42e5e24c8ddaec01f3af2490
SSDEEP

1536:OrUiGUy5cMwMWTVku/rOyMGadU1w+T/KKgJFbTZASCsPjG7+yr2RwWveG:fixy5cMWVHJE+w+TC/dZA6G7D2S5

Score

6^/10

adware discovery stealer upx

Malware Config

Signatures

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\{95C29069-3C16-231D-CD10-C009E4F35F84}	regsvr32.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3464-0-0x0000000010000000-0x000000001003D000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Modifies registry class 42 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{95C29069-3C16-231D-CD10-C009E4F35F84}\ = "JxlQhpqv Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{95C29067-3C16-231D-CD10-C009E4F35F84}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\JxlQhpqv.IEHlprObj\CurVer\ = "JxlQhpqv.IEHlprObj.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{95C29069-3C16-231D-CD10-C009E4F35F84}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{95C29068-3C16-231D-CD10-C009E4F35F84}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{95C29068-3C16-231D-CD10-C009E4F35F84}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{95C29068-3C16-231D-CD10-C009E4F35F84}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\14a82d0d8cb55f1961271410c40c74a2_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{95C29067-3C16-231D-CD10-C009E4F35F84}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{95C29067-3C16-231D-CD10-C009E4F35F84}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{95C29067-3C16-231D-CD10-C009E4F35F84}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\JxlQhpqv.IEHlprObj.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\JxlQhpqv.IEHlprObj.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{95C29067-3C16-231D-CD10-C009E4F35F84}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{95C29069-3C16-231D-CD10-C009E4F35F84}\ProgID\ = "JxlQhpqv.IEHlprObj.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{95C29069-3C16-231D-CD10-C009E4F35F84}\VersionIndependentProgID\ = "JxlQhpqv.IEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{95C29069-3C16-231D-CD10-C009E4F35F84}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{95C29068-3C16-231D-CD10-C009E4F35F84}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{95C29067-3C16-231D-CD10-C009E4F35F84}\ = "IIEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{95C29067-3C16-231D-CD10-C009E4F35F84}\TypeLib\ = "{95C29068-3C16-231D-CD10-C009E4F35F84}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\JxlQhpqv.IEHlprObj\ = "JxlQhpqv Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{95C29069-3C16-231D-CD10-C009E4F35F84}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{95C29067-3C16-231D-CD10-C009E4F35F84}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{95C29069-3C16-231D-CD10-C009E4F35F84}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{95C29068-3C16-231D-CD10-C009E4F35F84}\1.0\ = "JxlQhpqv 1.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{95C29067-3C16-231D-CD10-C009E4F35F84}\TypeLib\ = "{95C29068-3C16-231D-CD10-C009E4F35F84}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{95C29067-3C16-231D-CD10-C009E4F35F84}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{95C29068-3C16-231D-CD10-C009E4F35F84}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{95C29068-3C16-231D-CD10-C009E4F35F84}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\JxlQhpqv.IEHlprObj\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{95C29069-3C16-231D-CD10-C009E4F35F84}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{95C29069-3C16-231D-CD10-C009E4F35F84}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{95C29067-3C16-231D-CD10-C009E4F35F84}\ = "IIEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\JxlQhpqv.IEHlprObj.1\ = "JxlQhpqv Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\JxlQhpqv.IEHlprObj	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{95C29069-3C16-231D-CD10-C009E4F35F84}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\14A82D~1.DLL"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{95C29068-3C16-231D-CD10-C009E4F35F84}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{95C29068-3C16-231D-CD10-C009E4F35F84}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{95C29067-3C16-231D-CD10-C009E4F35F84}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{95C29067-3C16-231D-CD10-C009E4F35F84}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{95C29067-3C16-231D-CD10-C009E4F35F84}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\JxlQhpqv.IEHlprObj.1\CLSID\ = "{95C29069-3C16-231D-CD10-C009E4F35F84}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{95C29068-3C16-231D-CD10-C009E4F35F84}\1.0\0\win32	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4652 wrote to memory of 3464	4652	regsvr32.exe	82
PID 4652 wrote to memory of 3464	4652	regsvr32.exe	82
PID 4652 wrote to memory of 3464	4652	regsvr32.exe	82

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\14a82d0d8cb55f1961271410c40c74a2_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4652
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\14a82d0d8cb55f1961271410c40c74a2_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:3464

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3464-0-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

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