891fb5686b0e9002a247e10f77443977142da00705b667cf4a93e70ed1dec055

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
09/07/2024, 00:56

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General

Target

2e72b3c7cadd4a733c2e788e7cd2bf61_JaffaCakes118.dll
Size

112KB
MD5

2e72b3c7cadd4a733c2e788e7cd2bf61
SHA1

6e85213d22deea2b0f2ae379a38479e86651da7d
SHA256

891fb5686b0e9002a247e10f77443977142da00705b667cf4a93e70ed1dec055
SHA512

56c7bd8f80cc5af158a575269f253a3c48e659daea9bf45517d653296a4ab2adaba07010760b64932768271820cfc4f0d205f94a995dd4c3af04e82de9063707
SSDEEP

1536:zGnCggg+5nOwKcDkZpNUdz5v3FkhZ6dv95ZKwJwHY/i3uJIylbuE7emL4z3:YC0+5nOwjIZH8z5vRdvHJi3uVlbteq4

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\{B437B7E2-B769-4F90-A2AD-FF5520637977}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{B437B7E2-B769-4F90-A2AD-FF5520637977}\ = "Alexacn.xLeft"	regsvr32.exe

Modifies registry class 51 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9E83E701-0F5F-4C2C-8426-4F21BA32684F}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9E83E701-0F5F-4C2C-8426-4F21BA32684F}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\Alexacn.DLL	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B437B7E2-B769-4F90-A2AD-FF5520637977}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{05D1C4CA-5976-4781-9A1E-947CDEEAFA77}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{05D1C4CA-5976-4781-9A1E-947CDEEAFA77}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9E83E701-0F5F-4C2C-8426-4F21BA32684F}\ = "IxLeft"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{05D1C4CA-5976-4781-9A1E-947CDEEAFA77}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9E83E701-0F5F-4C2C-8426-4F21BA32684F}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Alexacn.xLeft.1\ = "CxLeft Object"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{05D1C4CA-5976-4781-9A1E-947CDEEAFA77}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{05D1C4CA-5976-4781-9A1E-947CDEEAFA77}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9E83E701-0F5F-4C2C-8426-4F21BA32684F}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B437B7E2-B769-4F90-A2AD-FF5520637977}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B437B7E2-B769-4F90-A2AD-FF5520637977}\TypeLib\ = "{05D1C4CA-5976-4781-9A1E-947CDEEAFA77}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Alexacn.xLeft.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Alexacn.xLeft\CurVer\ = "Alexacn.xLeft.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9E83E701-0F5F-4C2C-8426-4F21BA32684F}\TypeLib\ = "{05D1C4CA-5976-4781-9A1E-947CDEEAFA77}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9E83E701-0F5F-4C2C-8426-4F21BA32684F}\TypeLib\ = "{05D1C4CA-5976-4781-9A1E-947CDEEAFA77}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{05D1C4CA-5976-4781-9A1E-947CDEEAFA77}\ = "Alexacn"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Alexacn.xLeft\CLSID\ = "{B437B7E2-B769-4F90-A2AD-FF5520637977}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B437B7E2-B769-4F90-A2AD-FF5520637977}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B437B7E2-B769-4F90-A2AD-FF5520637977}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2e72b3c7cadd4a733c2e788e7cd2bf61_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{05D1C4CA-5976-4781-9A1E-947CDEEAFA77}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{05D1C4CA-5976-4781-9A1E-947CDEEAFA77}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2e72b3c7cadd4a733c2e788e7cd2bf61_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9E83E701-0F5F-4C2C-8426-4F21BA32684F}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{05D1C4CA-5976-4781-9A1E-947CDEEAFA77}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9E83E701-0F5F-4C2C-8426-4F21BA32684F}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{05D1C4CA-5976-4781-9A1E-947CDEEAFA77}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9E83E701-0F5F-4C2C-8426-4F21BA32684F}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Alexacn.xLeft.1\CLSID\ = "{B437B7E2-B769-4F90-A2AD-FF5520637977}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Alexacn.xLeft\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B437B7E2-B769-4F90-A2AD-FF5520637977}\ProgID\ = "Alexacn.xLeft.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{05D1C4CA-5976-4781-9A1E-947CDEEAFA77}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\Alexacn.DLL\AppID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Alexacn.xLeft.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Alexacn.xLeft	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Alexacn.xLeft\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{05D1C4CA-5976-4781-9A1E-947CDEEAFA77}\1.0\ = "Alexacn1.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B437B7E2-B769-4F90-A2AD-FF5520637977}\AppID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9E83E701-0F5F-4C2C-8426-4F21BA32684F}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B437B7E2-B769-4F90-A2AD-FF5520637977}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B437B7E2-B769-4F90-A2AD-FF5520637977}\InprocServer32\ThreadingModel = "apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B437B7E2-B769-4F90-A2AD-FF5520637977}\ = "CxLeft Object"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9E83E701-0F5F-4C2C-8426-4F21BA32684F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9E83E701-0F5F-4C2C-8426-4F21BA32684F}\ = "IxLeft"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Alexacn.xLeft\ = "CxLeft Object"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B437B7E2-B769-4F90-A2AD-FF5520637977}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9E83E701-0F5F-4C2C-8426-4F21BA32684F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B437B7E2-B769-4F90-A2AD-FF5520637977}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B437B7E2-B769-4F90-A2AD-FF5520637977}\VersionIndependentProgID\ = "Alexacn.xLeft"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2928 wrote to memory of 2760	2928	regsvr32.exe	30
PID 2928 wrote to memory of 2760	2928	regsvr32.exe	30
PID 2928 wrote to memory of 2760	2928	regsvr32.exe	30
PID 2928 wrote to memory of 2760	2928	regsvr32.exe	30
PID 2928 wrote to memory of 2760	2928	regsvr32.exe	30
PID 2928 wrote to memory of 2760	2928	regsvr32.exe	30
PID 2928 wrote to memory of 2760	2928	regsvr32.exe	30

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\2e72b3c7cadd4a733c2e788e7cd2bf61_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2928
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\2e72b3c7cadd4a733c2e788e7cd2bf61_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2760

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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