903f178a3c3b3fa0bf65c39eaad2b92e21f3b3753b4e5a4eaf61feb29de74552

Analysis

max time kernel
95s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
09/07/2024, 05:57

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General

Target

2f38ca348abd2a82aa41e5ee286cb60d_JaffaCakes118.dll
Size

288KB
MD5

2f38ca348abd2a82aa41e5ee286cb60d
SHA1

af290d48bf884399617498a8fd8d7ca39e9ae870
SHA256

903f178a3c3b3fa0bf65c39eaad2b92e21f3b3753b4e5a4eaf61feb29de74552
SHA512

6624e3f95af2cc3791ddfde699b6665bf5203c21e43e68e7acc9415fe34563cd9112bc25d95fddaae985985435b5251b2b4db749279f963766d73db2fdbcbddf
SSDEEP

6144:zRU9Dn2wups+smP6OSFlvLVG1GlyNOyGk:OgP6zo/NOy

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\{1B77D30A-81C9-497A-8647-142F7511B1FB}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1B77D30A-81C9-497A-8647-142F7511B1FB}\ = "Internet Explorer Web Content Guard "	regsvr32.exe

Modifies registry class 60 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1B77D30A-81C9-497A-8647-142F7511B1FB}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{267B1ED2-2C9E-4A3F-BE15-7AFC79403073}\TypeLib\ = "{5AB0D266-DD2B-4006-B9D6-A9145291BDD6}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{80CC88FE-2567-42ED-A3AE-E397D2A12C52}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEGuard.IEWebGuard.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEGuard.IEWebGuard	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1B77D30A-81C9-497A-8647-142F7511B1FB}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5AB0D266-DD2B-4006-B9D6-A9145291BDD6}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{267B1ED2-2C9E-4A3F-BE15-7AFC79403073}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{267B1ED2-2C9E-4A3F-BE15-7AFC79403073}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1B77D30A-81C9-497A-8647-142F7511B1FB}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5AB0D266-DD2B-4006-B9D6-A9145291BDD6}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5AB0D266-DD2B-4006-B9D6-A9145291BDD6}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{267B1ED2-2C9E-4A3F-BE15-7AFC79403073}\ = "_IIEWebGuardEvents"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{267B1ED2-2C9E-4A3F-BE15-7AFC79403073}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{267B1ED2-2C9E-4A3F-BE15-7AFC79403073}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{80CC88FE-2567-42ED-A3AE-E397D2A12C52}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEGuard.IEWebGuard.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEGuard.IEWebGuard\CurVer\ = "IEGuard.IEWebGuard.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1B77D30A-81C9-497A-8647-142F7511B1FB}\VersionIndependentProgID\ = "IEGuard.IEWebGuard"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5AB0D266-DD2B-4006-B9D6-A9145291BDD6}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{267B1ED2-2C9E-4A3F-BE15-7AFC79403073}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{80CC88FE-2567-42ED-A3AE-E397D2A12C52}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1B77D30A-81C9-497A-8647-142F7511B1FB}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEGuard.IEWebGuard\ = "IEWebGuard Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1B77D30A-81C9-497A-8647-142F7511B1FB}\TypeLib\ = "{5AB0D266-DD2B-4006-B9D6-A9145291BDD6}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{267B1ED2-2C9E-4A3F-BE15-7AFC79403073}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{267B1ED2-2C9E-4A3F-BE15-7AFC79403073}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{80CC88FE-2567-42ED-A3AE-E397D2A12C52}\TypeLib\ = "{5AB0D266-DD2B-4006-B9D6-A9145291BDD6}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{80CC88FE-2567-42ED-A3AE-E397D2A12C52}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{80CC88FE-2567-42ED-A3AE-E397D2A12C52}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEGuard.IEWebGuard\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5AB0D266-DD2B-4006-B9D6-A9145291BDD6}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2f38ca348abd2a82aa41e5ee286cb60d_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1B77D30A-81C9-497A-8647-142F7511B1FB}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5AB0D266-DD2B-4006-B9D6-A9145291BDD6}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{267B1ED2-2C9E-4A3F-BE15-7AFC79403073}\ = "_IIEWebGuardEvents"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{80CC88FE-2567-42ED-A3AE-E397D2A12C52}\ = "IIEWebGuard"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{80CC88FE-2567-42ED-A3AE-E397D2A12C52}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{80CC88FE-2567-42ED-A3AE-E397D2A12C52}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEGuard.IEWebGuard.1\ = "IEWebGuard Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1B77D30A-81C9-497A-8647-142F7511B1FB}\ = "IEWebGuard Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1B77D30A-81C9-497A-8647-142F7511B1FB}\ProgID\ = "IEGuard.IEWebGuard.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{267B1ED2-2C9E-4A3F-BE15-7AFC79403073}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEGuard.IEWebGuard\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1B77D30A-81C9-497A-8647-142F7511B1FB}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2f38ca348abd2a82aa41e5ee286cb60d_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5AB0D266-DD2B-4006-B9D6-A9145291BDD6}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{80CC88FE-2567-42ED-A3AE-E397D2A12C52}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1B77D30A-81C9-497A-8647-142F7511B1FB}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5AB0D266-DD2B-4006-B9D6-A9145291BDD6}\1.0\ = "IEGuard 1.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{80CC88FE-2567-42ED-A3AE-E397D2A12C52}\TypeLib\ = "{5AB0D266-DD2B-4006-B9D6-A9145291BDD6}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{80CC88FE-2567-42ED-A3AE-E397D2A12C52}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEGuard.IEWebGuard\CLSID\ = "{1B77D30A-81C9-497A-8647-142F7511B1FB}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1B77D30A-81C9-497A-8647-142F7511B1FB}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5AB0D266-DD2B-4006-B9D6-A9145291BDD6}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{267B1ED2-2C9E-4A3F-BE15-7AFC79403073}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{267B1ED2-2C9E-4A3F-BE15-7AFC79403073}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{80CC88FE-2567-42ED-A3AE-E397D2A12C52}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEGuard.IEWebGuard.1\CLSID\ = "{1B77D30A-81C9-497A-8647-142F7511B1FB}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5AB0D266-DD2B-4006-B9D6-A9145291BDD6}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{267B1ED2-2C9E-4A3F-BE15-7AFC79403073}\TypeLib\ = "{5AB0D266-DD2B-4006-B9D6-A9145291BDD6}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{80CC88FE-2567-42ED-A3AE-E397D2A12C52}\ = "IIEWebGuard"	regsvr32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
712	regsvr32.exe
712	regsvr32.exe
712	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1704 wrote to memory of 712	1704	regsvr32.exe	82
PID 1704 wrote to memory of 712	1704	regsvr32.exe	82
PID 1704 wrote to memory of 712	1704	regsvr32.exe	82

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\2f38ca348abd2a82aa41e5ee286cb60d_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1704
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\2f38ca348abd2a82aa41e5ee286cb60d_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  - Suspicious use of SetWindowsHookEx
  PID:712

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/712-0-0x0000000075157000-0x0000000075158000-memory.dmp

Filesize
4KB

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