092e6c76cdba1dc667d2aea9d07ded49044a92994a88dc31970d73a51bca3704

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
19/07/2024, 00:03

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General

Target
59a66ae34ed0214f6051d40e17060c00_JaffaCakes118.dll
Size 124KB
Sample240719-ab15dswemd
SHA256 092e6c76cdba1dc667d2aea9d07ded49044a92994a88dc31970d73a51bca3704
MD5 59a66ae34ed0214f6051d40e17060c00
SHA1 e820c33dd79f550b4a9f89d85128d642a3102854
SHA512 e3afce7605e6262f42585df3ce566d57f0a83826432152bb5addc76166782e1762cbee2bfb6676a41b0a12cc907c4275cd6c9ce0e970ea2008e0a0af736d5cdb
SSDEEP 1536:5B6kibTGPVCTWtxtXlBf1tl/SPyS84fAMqGUyfp496KhGTXmJCWbHF03k/qbVUUZ:akTtdxSo4fNUg49iCF0USaXet17
MD5 SHA1 SHA512 SSDEEP

Score

6^/10

adware stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 3 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\{B976F956-AD22-4c0a-8679-21DC5D4B316A}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{B976F956-AD22-4c0a-8679-21DC5D4B316A}\ = "PCBPBLKBHO Class"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{B976F956-AD22-4c0a-8679-21DC5D4B316A}\NoExplorer = "1"	regsvr32.exe

Modifies registry class 41 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PCBPBLKBHO.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B976F956-AD22-4c0a-8679-21DC5D4B316A}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{64EE1445-F70F-4318-92E3-EBEC64C4159D}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B976F956-AD22-4c0a-8679-21DC5D4B316A}\ProgID\ = "PCBPBLKBHO.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B976F956-AD22-4c0a-8679-21DC5D4B316A}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{64EE1445-F70F-4318-92E3-EBEC64C4159D}\1.0\ = "SSBHO 1.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{64EE1445-F70F-4318-92E3-EBEC64C4159D}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2840E418-1F92-4AC2-BBD0-7B38A6E9891F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2840E418-1F92-4AC2-BBD0-7B38A6E9891F}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\PCBPBLKBHO.1\ = "PCBPBLKBHO Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PCBPBLKBHO	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\PCBPBLKBHO\CLSID\ = "{B976F956-AD22-4c0a-8679-21DC5D4B316A}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B976F956-AD22-4c0a-8679-21DC5D4B316A}\ = "PCBPBLKBHO Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B976F956-AD22-4c0a-8679-21DC5D4B316A}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\59a66ae34ed0214f6051d40e17060c00_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{64EE1445-F70F-4318-92E3-EBEC64C4159D}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2840E418-1F92-4AC2-BBD0-7B38A6E9891F}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2840E418-1F92-4AC2-BBD0-7B38A6E9891F}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B976F956-AD22-4c0a-8679-21DC5D4B316A}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B976F956-AD22-4c0a-8679-21DC5D4B316A}\VersionIndependentProgID\ = "PCBPBLKBHO"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B976F956-AD22-4c0a-8679-21DC5D4B316A}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{64EE1445-F70F-4318-92E3-EBEC64C4159D}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{64EE1445-F70F-4318-92E3-EBEC64C4159D}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\59a66ae34ed0214f6051d40e17060c00_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2840E418-1F92-4AC2-BBD0-7B38A6E9891F}\ = "ISOSBHO"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2840E418-1F92-4AC2-BBD0-7B38A6E9891F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2840E418-1F92-4AC2-BBD0-7B38A6E9891F}\TypeLib\ = "{64EE1445-F70F-4318-92E3-EBEC64C4159D}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PCBPBLKBHO.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\PCBPBLKBHO.1\CLSID\ = "{B976F956-AD22-4c0a-8679-21DC5D4B316A}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{64EE1445-F70F-4318-92E3-EBEC64C4159D}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{64EE1445-F70F-4318-92E3-EBEC64C4159D}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2840E418-1F92-4AC2-BBD0-7B38A6E9891F}\TypeLib\ = "{64EE1445-F70F-4318-92E3-EBEC64C4159D}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2840E418-1F92-4AC2-BBD0-7B38A6E9891F}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2840E418-1F92-4AC2-BBD0-7B38A6E9891F}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\PCBPBLKBHO\ = "PCBPBLKBHO Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B976F956-AD22-4c0a-8679-21DC5D4B316A}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{64EE1445-F70F-4318-92E3-EBEC64C4159D}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{64EE1445-F70F-4318-92E3-EBEC64C4159D}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2840E418-1F92-4AC2-BBD0-7B38A6E9891F}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2840E418-1F92-4AC2-BBD0-7B38A6E9891F}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2840E418-1F92-4AC2-BBD0-7B38A6E9891F}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PCBPBLKBHO\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2840E418-1F92-4AC2-BBD0-7B38A6E9891F}\ = "ISOSBHO"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1488 wrote to memory of 4968	1488	regsvr32.exe	84
PID 1488 wrote to memory of 4968	1488	regsvr32.exe	84
PID 1488 wrote to memory of 4968	1488	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\59a66ae34ed0214f6051d40e17060c00_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1488
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\59a66ae34ed0214f6051d40e17060c00_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:4968

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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