337c0d96addb4810a404318adc913f4b6b2884f2b43be4c4809d5be95a105e78

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
07/04/2024, 17:47

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General

Target
e5809cd0734e4be4d97859c6b746b9ee_JaffaCakes118.dll
Size 296KB
Sample240407-wcvjwsad99
SHA256 337c0d96addb4810a404318adc913f4b6b2884f2b43be4c4809d5be95a105e78
MD5 e5809cd0734e4be4d97859c6b746b9ee
SHA1 441744c39fda0cedc2abfb6ffc1d80278c00c4e3
SHA512 1bb33fa97627bda4ce484f7643dba1e9417d6c744dee6dbed89566493a3b4f611c380986da5c74a4738b7684ca85e17f94c54d4579bc713cf939c44a00363609
SSDEEP 3072:EiaX4uy/USkCK4L9GkJipIwdmla8mz/9nGfsnG+oS1Sd5zy0Q4D6twefR543HQRD:8JSkCv9GkJipF6a3z/RGfJv6543wRVj
MD5 SHA1 SHA512 SSDEEP

Score

6^/10

adware stealer

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\{EC77EAFC-62D0-42B4-B2FB-64D6B18C5BDD}	regsvr32.exe

Modifies registry class 50 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DA6EBDCE-4207-455C-B9DB-C3FA5E440C20}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{AAAAC6F5-A653-4B2A-9C02-8EBD19366183}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DA6EBDCE-4207-455C-B9DB-C3FA5E440C20}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\e5809cd0734e4be4d97859c6b746b9ee_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{50365571-A7C7-47B3-854D-F45FDFC6687E}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{AAAAC6F5-A653-4B2A-9C02-8EBD19366183}\ = "Iavbt"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{50365571-A7C7-47B3-854D-F45FDFC6687E}\TypeLib\ = "{DA6EBDCE-4207-455C-B9DB-C3FA5E440C20}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{AAAAC6F5-A653-4B2A-9C02-8EBD19366183}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DA6EBDCE-4207-455C-B9DB-C3FA5E440C20}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{50365571-A7C7-47B3-854D-F45FDFC6687E}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{50365571-A7C7-47B3-854D-F45FDFC6687E}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{50365571-A7C7-47B3-854D-F45FDFC6687E}\ = "_IavbtEvents"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{AAAAC6F5-A653-4B2A-9C02-8EBD19366183}\TypeLib\ = "{DA6EBDCE-4207-455C-B9DB-C3FA5E440C20}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC77EAFC-62D0-42B4-B2FB-64D6B18C5BDD}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{50365571-A7C7-47B3-854D-F45FDFC6687E}\TypeLib\ = "{DA6EBDCE-4207-455C-B9DB-C3FA5E440C20}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{AAAAC6F5-A653-4B2A-9C02-8EBD19366183}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DA6EBDCE-4207-455C-B9DB-C3FA5E440C20}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{50365571-A7C7-47B3-854D-F45FDFC6687E}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{50365571-A7C7-47B3-854D-F45FDFC6687E}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DA6EBDCE-4207-455C-B9DB-C3FA5E440C20}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DA6EBDCE-4207-455C-B9DB-C3FA5E440C20}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{AAAAC6F5-A653-4B2A-9C02-8EBD19366183}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{AAAAC6F5-A653-4B2A-9C02-8EBD19366183}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC77EAFC-62D0-42B4-B2FB-64D6B18C5BDD}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC77EAFC-62D0-42B4-B2FB-64D6B18C5BDD}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{50365571-A7C7-47B3-854D-F45FDFC6687E}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{AAAAC6F5-A653-4B2A-9C02-8EBD19366183}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DA6EBDCE-4207-455C-B9DB-C3FA5E440C20}\1.0\ = "avbt TL"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC77EAFC-62D0-42B4-B2FB-64D6B18C5BDD}\VersionIndependentProgID\ = "QXK.Olive"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{AAAAC6F5-A653-4B2A-9C02-8EBD19366183}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC77EAFC-62D0-42B4-B2FB-64D6B18C5BDD}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC77EAFC-62D0-42B4-B2FB-64D6B18C5BDD}\ProgID\ = "QXK.Olive"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{50365571-A7C7-47B3-854D-F45FDFC6687E}\ = "_IavbtEvents"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC77EAFC-62D0-42B4-B2FB-64D6B18C5BDD}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\e5809cd0734e4be4d97859c6b746b9ee_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC77EAFC-62D0-42B4-B2FB-64D6B18C5BDD}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{50365571-A7C7-47B3-854D-F45FDFC6687E}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC77EAFC-62D0-42B4-B2FB-64D6B18C5BDD}\TypeLib\ = "{DA6EBDCE-4207-455C-B9DB-C3FA5E440C20}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{AAAAC6F5-A653-4B2A-9C02-8EBD19366183}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DA6EBDCE-4207-455C-B9DB-C3FA5E440C20}\1.0\HELPDIR\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{AAAAC6F5-A653-4B2A-9C02-8EBD19366183}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{AAAAC6F5-A653-4B2A-9C02-8EBD19366183}\TypeLib\ = "{DA6EBDCE-4207-455C-B9DB-C3FA5E440C20}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{AAAAC6F5-A653-4B2A-9C02-8EBD19366183}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC77EAFC-62D0-42B4-B2FB-64D6B18C5BDD}\ = "QXK Olive"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DA6EBDCE-4207-455C-B9DB-C3FA5E440C20}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{50365571-A7C7-47B3-854D-F45FDFC6687E}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{50365571-A7C7-47B3-854D-F45FDFC6687E}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{AAAAC6F5-A653-4B2A-9C02-8EBD19366183}\ = "Iavbt"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC77EAFC-62D0-42B4-B2FB-64D6B18C5BDD}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC77EAFC-62D0-42B4-B2FB-64D6B18C5BDD}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DA6EBDCE-4207-455C-B9DB-C3FA5E440C20}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{50365571-A7C7-47B3-854D-F45FDFC6687E}	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3088 wrote to memory of 3244	3088	regsvr32.exe	85
PID 3088 wrote to memory of 3244	3088	regsvr32.exe	85
PID 3088 wrote to memory of 3244	3088	regsvr32.exe	85

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\e5809cd0734e4be4d97859c6b746b9ee_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3088
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\e5809cd0734e4be4d97859c6b746b9ee_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:3244

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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