34e75d81a15250eb925cc4632000b1d95e53a9cd93b59cfc45bf4bb1078ae58f

Analysis

max time kernel
93s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
12/04/2024, 02:05

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General

Target
eee0696f70ec09b0045972c547f9380c_JaffaCakes118.dll
Size 70KB
Sample240412-ch1hjsfd2s
SHA256 34e75d81a15250eb925cc4632000b1d95e53a9cd93b59cfc45bf4bb1078ae58f
MD5 eee0696f70ec09b0045972c547f9380c
SHA1 aa64badcc651a108c9d0329638cda776497f709c
SHA512 bbb8cdd08f58e1a99726a7b8dae0157ecdae04184dec8cdb67a0fa412603041309dd110f6dd3041cde949576475aa295981289ee78f36f287cac19abeb819dbe
SSDEEP 1536:0vGPjaxjnJJ7TROp6jj5+aK+oHlSbmTTt9pyhmXcKcCqBX4O:0vIkP79O8r+lSbqfcKV6oO
MD5 SHA1 SHA512 SSDEEP

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/5012-0-0x0000000010000000-0x0000000010034000-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-FF18-8222-2FB0-2935B9EA0723}	regsvr32.exe

Modifies registry class 42 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FFFFEECE-FF18-8222-2FB0-2935B9EA0724}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FFFFEECE-FF18-8222-2FB0-2935B9EA0725}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FFFFEECE-FF18-8222-2FB0-2935B9EA0724}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FFFFEECE-FF18-8222-2FB0-2935B9EA0724}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FFFFEECE-FF18-8222-2FB0-2935B9EA0724}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FFFFEECE-FF18-8222-2FB0-2935B9EA0724}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FFFFEECE-FF18-8222-2FB0-2935B9EA0725}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FFFFEECE-FF18-8222-2FB0-2935B9EA0725}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\urlmon.urlmon.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\urlmon.urlmon.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FFFFEECE-FF18-8222-2FB0-2935B9EA0724}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FFFFEECE-FF18-8222-2FB0-2935B9EA0725}\TypeLib\ = "{FFFFEECE-FF18-8222-2FB0-2935B9EA0724}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FFFFEECE-FF18-8222-2FB0-2935B9EA0725}\TypeLib\ = "{FFFFEECE-FF18-8222-2FB0-2935B9EA0724}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FFFFEECE-FF18-8222-2FB0-2935B9EA0725}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\urlmon.urlmon	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FFFFEECE-FF18-8222-2FB0-2935B9EA0723}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FFFFEECE-FF18-8222-2FB0-2935B9EA0723}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FFFFEECE-FF18-8222-2FB0-2935B9EA0724}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\eee0696f70ec09b0045972c547f9380c_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FFFFEECE-FF18-8222-2FB0-2935B9EA0725}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\urlmon.urlmon.1\CLSID\ = "{FFFFEECE-FF18-8222-2FB0-2935B9EA0723}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FFFFEECE-FF18-8222-2FB0-2935B9EA0723}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FFFFEECE-FF18-8222-2FB0-2935B9EA0724}\1.0\ = "urlmon 1.0 Library Type"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FFFFEECE-FF18-8222-2FB0-2935B9EA0723}\ProgID\ = "urlmon.urlmon.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FFFFEECE-FF18-8222-2FB0-2935B9EA0725}\ = "IIEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FFFFEECE-FF18-8222-2FB0-2935B9EA0725}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FFFFEECE-FF18-8222-2FB0-2935B9EA0725}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FFFFEECE-FF18-8222-2FB0-2935B9EA0725}\ = "IIEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\urlmon.urlmon\ = "urlmon Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FFFFEECE-FF18-8222-2FB0-2935B9EA0723}\ProgID	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-FF18-8222-2FB0-2935B9EA0723}\VersionIndependentProgID\ = "urlmon.urlmon"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FFFFEECE-FF18-8222-2FB0-2935B9EA0723}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FFFFEECE-FF18-8222-2FB0-2935B9EA0723}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\EEE069~1.DLL"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FFFFEECE-FF18-8222-2FB0-2935B9EA0724}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FFFFEECE-FF18-8222-2FB0-2935B9EA0725}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\urlmon.urlmon.1\ = "urlmon Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\urlmon.urlmon\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FFFFEECE-FF18-8222-2FB0-2935B9EA0725}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FFFFEECE-FF18-8222-2FB0-2935B9EA0724}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FFFFEECE-FF18-8222-2FB0-2935B9EA0725}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FFFFEECE-FF18-8222-2FB0-2935B9EA0723}\ = "urlmon Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FFFFEECE-FF18-8222-2FB0-2935B9EA0723}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1852 wrote to memory of 5012	1852	regsvr32.exe	84
PID 1852 wrote to memory of 5012	1852	regsvr32.exe	84
PID 1852 wrote to memory of 5012	1852	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\eee0696f70ec09b0045972c547f9380c_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1852
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\eee0696f70ec09b0045972c547f9380c_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:5012

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/5012-0-0x0000000010000000-0x0000000010034000-memory.dmp

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