3947a263fddd7a075d24d5338276c0939901052ab8e02a575fe8b69a202d6618

Analysis

max time kernel
140s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
23/07/2024, 01:00

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General

Target

6586d37cc116d9c659f72c91341a43b1_JaffaCakes118.dll
Size

79KB
MD5

6586d37cc116d9c659f72c91341a43b1
SHA1

8d1ddddf61fc606944ec59215bd10f6e64a982da
SHA256

3947a263fddd7a075d24d5338276c0939901052ab8e02a575fe8b69a202d6618
SHA512

848bbdbd0301a4ea788c3c419e1f11ea30394b6089278d117924d316cb840bc1ef73063dc25ef17b36ea4f94773f1e618452746b59a7ce618da96526fa8b97e1
SSDEEP

1536:eQXR+Wtw+wTnNJbnv+kFCAez1rCsoa1PM4ZtJ4W:etWbInfbnv0NGE1PNh4

Score

7^/10

adware stealer upx

Malware Config

Signatures

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2400-0-0x0000000010000000-0x000000001003D000-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\{7986B591-C846-C9EE-488A-40853DF3BE95}	regsvr32.exe

Modifies registry class 42 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SdxMyqvg.IEHlprObj\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7986B591-C846-C9EE-488A-40853DF3BE95}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\6586D3~1.DLL"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SdxMyqvg.IEHlprObj.1\ = "SdxMyqvg Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7986B591-C846-C9EE-488A-40853DF3BE95}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7986B590-C846-C9EE-488A-40853DF3BE95}\1.0\ = "SdxMyqvg 1.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7986B590-C846-C9EE-488A-40853DF3BE95}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SdxMyqvg.IEHlprObj.1\CLSID\ = "{7986B591-C846-C9EE-488A-40853DF3BE95}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7986B591-C846-C9EE-488A-40853DF3BE95}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7986B590-C846-C9EE-488A-40853DF3BE95}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7986B590-C846-C9EE-488A-40853DF3BE95}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7986B590-C846-C9EE-488A-40853DF3BE95}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7986B58F-C846-C9EE-488A-40853DF3BE95}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7986B591-C846-C9EE-488A-40853DF3BE95}\VersionIndependentProgID\ = "SdxMyqvg.IEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SdxMyqvg.IEHlprObj\CurVer\ = "SdxMyqvg.IEHlprObj.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7986B591-C846-C9EE-488A-40853DF3BE95}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7986B590-C846-C9EE-488A-40853DF3BE95}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\6586d37cc116d9c659f72c91341a43b1_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7986B58F-C846-C9EE-488A-40853DF3BE95}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7986B58F-C846-C9EE-488A-40853DF3BE95}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7986B58F-C846-C9EE-488A-40853DF3BE95}\TypeLib\ = "{7986B590-C846-C9EE-488A-40853DF3BE95}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SdxMyqvg.IEHlprObj	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7986B58F-C846-C9EE-488A-40853DF3BE95}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7986B590-C846-C9EE-488A-40853DF3BE95}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7986B58F-C846-C9EE-488A-40853DF3BE95}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7986B58F-C846-C9EE-488A-40853DF3BE95}\ = "IIEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7986B591-C846-C9EE-488A-40853DF3BE95}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SdxMyqvg.IEHlprObj.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7986B591-C846-C9EE-488A-40853DF3BE95}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7986B591-C846-C9EE-488A-40853DF3BE95}\ = "SdxMyqvg Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7986B591-C846-C9EE-488A-40853DF3BE95}\ProgID\ = "SdxMyqvg.IEHlprObj.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7986B58F-C846-C9EE-488A-40853DF3BE95}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7986B58F-C846-C9EE-488A-40853DF3BE95}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7986B58F-C846-C9EE-488A-40853DF3BE95}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SdxMyqvg.IEHlprObj.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7986B58F-C846-C9EE-488A-40853DF3BE95}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7986B591-C846-C9EE-488A-40853DF3BE95}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7986B590-C846-C9EE-488A-40853DF3BE95}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7986B590-C846-C9EE-488A-40853DF3BE95}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7986B590-C846-C9EE-488A-40853DF3BE95}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7986B58F-C846-C9EE-488A-40853DF3BE95}\ = "IIEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7986B58F-C846-C9EE-488A-40853DF3BE95}\TypeLib\ = "{7986B590-C846-C9EE-488A-40853DF3BE95}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7986B58F-C846-C9EE-488A-40853DF3BE95}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SdxMyqvg.IEHlprObj\ = "SdxMyqvg Class"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1596 wrote to memory of 2400	1596	regsvr32.exe	84
PID 1596 wrote to memory of 2400	1596	regsvr32.exe	84
PID 1596 wrote to memory of 2400	1596	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\6586d37cc116d9c659f72c91341a43b1_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1596
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\6586d37cc116d9c659f72c91341a43b1_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2400

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

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Downloads

memory/2400-0-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download