858d49f085c3037e8b51c9229faff9b31b0d463cfb93caddd84d022518e7a45b

Analysis

max time kernel
139s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
01/07/2024, 19:10

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General

Target

1c2b6118db96722ad9f727f61a1a7b42_JaffaCakes118.dll
Size

14KB
MD5

1c2b6118db96722ad9f727f61a1a7b42
SHA1

9468cf58e22c8c70149ddb3b1b5c5bc0b3c65b6d
SHA256

858d49f085c3037e8b51c9229faff9b31b0d463cfb93caddd84d022518e7a45b
SHA512

65b36372d60e3bf0afe0953cacd14595f591fac832a2612ff7ac112fb10633f1ff0ef11d4b17752d984438cf59682085f65cf6f705a2210d632750088cfef374
SSDEEP

384:SCZ05CDVB89fAexFGGUjgyg/JTZmIGSFi0Rl:S3mBcYQGGUjgyWsIV

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/1588-0-0x0000000010000000-0x000000001000D000-memory.dmp	upx

Installs/modifies Browser Helper Object 2 TTPs 4 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\{3C4564CD-1F9D-4308-BA84-63AA30D3C9E6}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{3C4564CD-1F9D-4308-BA84-63AA30D3C9E6}\ = "249299 helper"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{3C4564CD-1F9D-4308-BA84-63AA30D3C9E6}\NoExplorer = "1"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{3C4564CD-1F9D-4308-BA84-63AA30D3C9E6}\NoBEN = "1"	regsvr32.exe

Modifies registry class 46 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\w555.w555mgr\CLSID\ = "{3C4564CD-1F9D-4308-BA84-63AA30D3C9E6}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3C4564CD-1F9D-4308-BA84-63AA30D3C9E6}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E63648F7-3933-440E-B4F6-A8584DD7B7EB}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1c2b6118db96722ad9f727f61a1a7b42_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F7D09218-46D7-4D3D-9B7F-315204CD0836}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F7D09218-46D7-4D3D-9B7F-315204CD0836}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F7D09218-46D7-4D3D-9B7F-315204CD0836}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F7D09218-46D7-4D3D-9B7F-315204CD0836}\ = "Ie405mgr"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\w555.w555mgr	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F7D09218-46D7-4D3D-9B7F-315204CD0836}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E63648F7-3933-440E-B4F6-A8584DD7B7EB}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E63648F7-3933-440E-B4F6-A8584DD7B7EB}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F7D09218-46D7-4D3D-9B7F-315204CD0836}\ = "Ie405mgr"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F7D09218-46D7-4D3D-9B7F-315204CD0836}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3C4564CD-1F9D-4308-BA84-63AA30D3C9E6}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\w555.w555mgr\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3C4564CD-1F9D-4308-BA84-63AA30D3C9E6}\ = "249299 Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3C4564CD-1F9D-4308-BA84-63AA30D3C9E6}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E63648F7-3933-440E-B4F6-A8584DD7B7EB}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E63648F7-3933-440E-B4F6-A8584DD7B7EB}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\w555.w555mgr\ = "249299 Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\w555.w555mgr.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3C4564CD-1F9D-4308-BA84-63AA30D3C9E6}\VersionIndependentProgID\ = "w555.w555mgr"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E63648F7-3933-440E-B4F6-A8584DD7B7EB}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F7D09218-46D7-4D3D-9B7F-315204CD0836}\TypeLib\ = "{E63648F7-3933-440E-B4F6-A8584DD7B7EB}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\w555.w555mgr.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\w555.w555mgr\CurVer\ = "w555.w555mgr.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3C4564CD-1F9D-4308-BA84-63AA30D3C9E6}\ProgID\ = "w555.w555mgr.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E63648F7-3933-440E-B4F6-A8584DD7B7EB}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F7D09218-46D7-4D3D-9B7F-315204CD0836}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\w555.w555mgr.1\CLSID\ = "{3C4564CD-1F9D-4308-BA84-63AA30D3C9E6}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3C4564CD-1F9D-4308-BA84-63AA30D3C9E6}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1c2b6118db96722ad9f727f61a1a7b42_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E63648F7-3933-440E-B4F6-A8584DD7B7EB}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\w555.w555mgr\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3C4564CD-1F9D-4308-BA84-63AA30D3C9E6}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E63648F7-3933-440E-B4F6-A8584DD7B7EB}\1.0\ = "249299 1.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E63648F7-3933-440E-B4F6-A8584DD7B7EB}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F7D09218-46D7-4D3D-9B7F-315204CD0836}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3C4564CD-1F9D-4308-BA84-63AA30D3C9E6}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3C4564CD-1F9D-4308-BA84-63AA30D3C9E6}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3C4564CD-1F9D-4308-BA84-63AA30D3C9E6}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3C4564CD-1F9D-4308-BA84-63AA30D3C9E6}\TypeLib\ = "{E63648F7-3933-440E-AAAA-A8584DD7B7EB}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F7D09218-46D7-4D3D-9B7F-315204CD0836}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F7D09218-46D7-4D3D-9B7F-315204CD0836}\TypeLib\ = "{E63648F7-3933-440E-B4F6-A8584DD7B7EB}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F7D09218-46D7-4D3D-9B7F-315204CD0836}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F7D09218-46D7-4D3D-9B7F-315204CD0836}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\w555.w555mgr.1\ = "249299 Class"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3056 wrote to memory of 1588	3056	regsvr32.exe	82
PID 3056 wrote to memory of 1588	3056	regsvr32.exe	82
PID 3056 wrote to memory of 1588	3056	regsvr32.exe	82

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\1c2b6118db96722ad9f727f61a1a7b42_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3056
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\1c2b6118db96722ad9f727f61a1a7b42_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:1588

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/1588-0-0x0000000010000000-0x000000001000D000-memory.dmp

Filesize
52KB

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