206d72685fdb62d7cdc4c1cbd1ab1ab9c35466f956ee3d126e35dce28733df4c

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
06/07/2024, 16:28

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General

Target

28d3db15d78e764146e1341034d18d1f_JaffaCakes118.dll
Size

71KB
MD5

28d3db15d78e764146e1341034d18d1f
SHA1

999d14d2eb4f3ee0281682cb43b0a3d7f7cee99a
SHA256

206d72685fdb62d7cdc4c1cbd1ab1ab9c35466f956ee3d126e35dce28733df4c
SHA512

fca5c07229b5905873acd113f7e5251f7fd96e6aed23ee94c45de81182b989625d45e499d5eccfdcb1efb2dc67f924c8a185c735d24976982b251f2cc25b97d9
SSDEEP

1536:0BqDFaLpzRYJyoU7aJjMzIe1H71JRi4badCXcqnCNt509P0ATFV1d/TwTSo+J:yQa0U7MMMYp+4eCznJMAJV//TwTSZ

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/1652-0-0x0000000010000000-0x0000000010035000-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\{FFFFEECE-FF18-8222-2FB0-2935B9EA0830}	regsvr32.exe

Modifies registry class 42 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FFFFEECE-FF18-8222-2FB0-2935B9EA0830}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FFFFEECE-FF18-8222-2FB0-2935B9EA0832}\ = "IIEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FFFFEECE-FF18-8222-2FB0-2935B9EA0832}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\urlmon.urlmon.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\urlmon.urlmon\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FFFFEECE-FF18-8222-2FB0-2935B9EA0831}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FFFFEECE-FF18-8222-2FB0-2935B9EA0831}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\28d3db15d78e764146e1341034d18d1f_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FFFFEECE-FF18-8222-2FB0-2935B9EA0832}\TypeLib\ = "{FFFFEECE-FF18-8222-2FB0-2935B9EA0831}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FFFFEECE-FF18-8222-2FB0-2935B9EA0832}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FFFFEECE-FF18-8222-2FB0-2935B9EA0832}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\urlmon.urlmon.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\urlmon.urlmon.1\CLSID\ = "{FFFFEECE-FF18-8222-2FB0-2935B9EA0830}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\urlmon.urlmon	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FFFFEECE-FF18-8222-2FB0-2935B9EA0830}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FFFFEECE-FF18-8222-2FB0-2935B9EA0831}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FFFFEECE-FF18-8222-2FB0-2935B9EA0831}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\urlmon.urlmon\ = "urlmon Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FFFFEECE-FF18-8222-2FB0-2935B9EA0830}\ProgID\ = "urlmon.urlmon.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FFFFEECE-FF18-8222-2FB0-2935B9EA0830}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\28D3DB~1.DLL"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FFFFEECE-FF18-8222-2FB0-2935B9EA0830}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FFFFEECE-FF18-8222-2FB0-2935B9EA0831}\1.0\ = "urlmon 1.0 Library Type"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FFFFEECE-FF18-8222-2FB0-2935B9EA0831}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FFFFEECE-FF18-8222-2FB0-2935B9EA0832}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FFFFEECE-FF18-8222-2FB0-2935B9EA0832}\ = "IIEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FFFFEECE-FF18-8222-2FB0-2935B9EA0832}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FFFFEECE-FF18-8222-2FB0-2935B9EA0832}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\urlmon.urlmon.1\ = "urlmon Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FFFFEECE-FF18-8222-2FB0-2935B9EA0830}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FFFFEECE-FF18-8222-2FB0-2935B9EA0832}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FFFFEECE-FF18-8222-2FB0-2935B9EA0832}\TypeLib\ = "{FFFFEECE-FF18-8222-2FB0-2935B9EA0831}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\urlmon.urlmon\CurVer\ = "urlmon.urlmon.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FFFFEECE-FF18-8222-2FB0-2935B9EA0830}\ = "urlmon Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FFFFEECE-FF18-8222-2FB0-2935B9EA0831}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FFFFEECE-FF18-8222-2FB0-2935B9EA0831}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FFFFEECE-FF18-8222-2FB0-2935B9EA0832}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FFFFEECE-FF18-8222-2FB0-2935B9EA0832}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FFFFEECE-FF18-8222-2FB0-2935B9EA0830}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FFFFEECE-FF18-8222-2FB0-2935B9EA0831}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FFFFEECE-FF18-8222-2FB0-2935B9EA0830}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FFFFEECE-FF18-8222-2FB0-2935B9EA0830}\VersionIndependentProgID\ = "urlmon.urlmon"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FFFFEECE-FF18-8222-2FB0-2935B9EA0831}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FFFFEECE-FF18-8222-2FB0-2935B9EA0832}\ProxyStubClsid32	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4776 wrote to memory of 1652	4776	regsvr32.exe	82
PID 4776 wrote to memory of 1652	4776	regsvr32.exe	82
PID 4776 wrote to memory of 1652	4776	regsvr32.exe	82

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\28d3db15d78e764146e1341034d18d1f_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4776
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\28d3db15d78e764146e1341034d18d1f_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:1652

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/1652-0-0x0000000010000000-0x0000000010035000-memory.dmp

Filesize
212KB

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