e520c285c47aa3063ce92eda60d8783bae23bce2b77de8e2a5a60832c2ce04b8

Analysis

max time kernel
96s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09-10-2024 05:14

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General

Target

2b7cfbc2af48f4ca8998d4d5c7184d7a_JaffaCakes118.dll
Size

31KB
MD5

2b7cfbc2af48f4ca8998d4d5c7184d7a
SHA1

03aa1076c1e739e17c92cda02677476e0e4d7dc8
SHA256

e520c285c47aa3063ce92eda60d8783bae23bce2b77de8e2a5a60832c2ce04b8
SHA512

357cd6e79b7583f07259eeb5c17de4e7a8391b083a07ed167d8633e1ebeb8e4ec6334c5f1c6b946ddc05245ae575c4e1d6a2cad9d0d479dd955f0f1d94a852a9
SSDEEP

384:y6mgVDyjALaY8csVRfgh1XVoS0G8GdKplKAYbsoPIfoPLszOsJAfmQ:ylpEL9Eih1XbQ2pAfoT8Cm

Score

6^/10

adware discovery persistence stealer upx

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\pst = "C:\\Windows\\system32\\rundll32.exe C:\\Windows\\system32\\pio12.dll DllDownload"	regsvr32.exe

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\{C7DDEE9F-CD4B-40fb-9030-E1709644F4BD}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{C7DDEE9F-CD4B-40fb-9030-E1709644F4BD}\NoExplorer = "\"\""	regsvr32.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/512-0-0x0000000010000000-0x0000000010018000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Modifies registry class 64 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\*\shellex\ContextMenuHandlers\ShellDownload	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1549F421-FB0A-4394-8D57-3886BE7E481A}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{73B584D4-3917-49D4-9761-A156CFA72633}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{73B584D4-3917-49D4-9761-A156CFA72633}\TypeLib\ = "{1549F421-FB0A-4394-8D57-3886BE7E481A}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C7DDEE9F-CD4B-40fb-9030-E1709644F4BD}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C7DDEE9F-CD4B-40fb-9030-E1709644F4BD}\ = "wave"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1549F421-FB0A-4394-8D57-3886BE7E481A}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\wave.Downloader.1\ = "wave"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1549F421-FB0A-4394-8D57-3886BE7E481A}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1549F421-FB0A-4394-8D57-3886BE7E481A}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1549F421-FB0A-4394-8D57-3886BE7E481A}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2b7cfbc2af48f4ca8998d4d5c7184d7a_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1549F421-FB0A-4394-8D57-3886BE7E481A}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\wave.ShDl.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\wave.Downloader\CurVer\ = "wave.Downloader.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C7DDEE9F-CD4B-40fb-9030-E1709644F4BD}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C7DDEE9F-CD4B-40fb-9030-E1709644F4BD}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\wave.ShDl.1\CLSID\ = "{E701C9CF-325D-49f6-9049-61C870155526}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{73B584D4-3917-49D4-9761-A156CFA72633}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\wave.Downloader\CLSID\ = "{C7DDEE9F-CD4B-40fb-9030-E1709644F4BD}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\wave.ShDl.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\wave.ShDl\ = "wave"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E701C9CF-325D-49f6-9049-61C870155526}\VersionIndependentProgID\ = "wave.ShDl"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\wave.Downloader\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E701C9CF-325D-49f6-9049-61C870155526}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2b7cfbc2af48f4ca8998d4d5c7184d7a_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E701C9CF-325D-49f6-9049-61C870155526}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{73B584D4-3917-49D4-9761-A156CFA72633}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{73B584D4-3917-49D4-9761-A156CFA72633}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{73B584D4-3917-49D4-9761-A156CFA72633}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\wave.ShDl\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\wave.ShDl	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\wave.Downloader	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{73B584D4-3917-49D4-9761-A156CFA72633}\TypeLib\ = "{1549F421-FB0A-4394-8D57-3886BE7E481A}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C7DDEE9F-CD4B-40fb-9030-E1709644F4BD}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1549F421-FB0A-4394-8D57-3886BE7E481A}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{73B584D4-3917-49D4-9761-A156CFA72633}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\wave.Downloader.1\CLSID\ = "{C7DDEE9F-CD4B-40fb-9030-E1709644F4BD}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C7DDEE9F-CD4B-40fb-9030-E1709644F4BD}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C7DDEE9F-CD4B-40fb-9030-E1709644F4BD}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\wave.ShDl\CLSID\ = "{E701C9CF-325D-49f6-9049-61C870155526}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{73B584D4-3917-49D4-9761-A156CFA72633}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C7DDEE9F-CD4B-40fb-9030-E1709644F4BD}\VersionIndependentProgID\ = "wave.Downloader"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C7DDEE9F-CD4B-40fb-9030-E1709644F4BD}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2b7cfbc2af48f4ca8998d4d5c7184d7a_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E701C9CF-325D-49f6-9049-61C870155526}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\wave.Downloader.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\wave.Downloader\ = "wave"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E701C9CF-325D-49f6-9049-61C870155526}\TypeLib\ = "{1549F421-FB0A-4394-8D57-3886BE7E481A}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\*\shellex\ContextMenuHandlers\ShellDownload\ = "{E701C9CF-325D-49f6-9049-61C870155526}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1549F421-FB0A-4394-8D57-3886BE7E481A}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1549F421-FB0A-4394-8D57-3886BE7E481A}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{73B584D4-3917-49D4-9761-A156CFA72633}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\wave.Downloader.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C7DDEE9F-CD4B-40fb-9030-E1709644F4BD}\ProgID\ = "wave.Downloader.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\wave.ShDl.1\ = "wave"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\wave.ShDl\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\wave.ShDl\CurVer\ = "wave.ShDl.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\wave.Downloader\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E701C9CF-325D-49f6-9049-61C870155526}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E701C9CF-325D-49f6-9049-61C870155526}\ProgID\ = "wave.ShDl.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{73B584D4-3917-49D4-9761-A156CFA72633}\ = "IDownloader"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E701C9CF-325D-49f6-9049-61C870155526}\ = "wave"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C7DDEE9F-CD4B-40fb-9030-E1709644F4BD}\TypeLib\ = "{1549F421-FB0A-4394-8D57-3886BE7E481A}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E701C9CF-325D-49f6-9049-61C870155526}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E701C9CF-325D-49f6-9049-61C870155526}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E701C9CF-325D-49f6-9049-61C870155526}\TypeLib	regsvr32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2240 wrote to memory of 512	2240	regsvr32.exe	83
PID 2240 wrote to memory of 512	2240	regsvr32.exe	83
PID 2240 wrote to memory of 512	2240	regsvr32.exe	83
PID 512 wrote to memory of 3324	512	regsvr32.exe	87
PID 512 wrote to memory of 3324	512	regsvr32.exe	87
PID 512 wrote to memory of 3324	512	regsvr32.exe	87

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\2b7cfbc2af48f4ca8998d4d5c7184d7a_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2240
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\2b7cfbc2af48f4ca8998d4d5c7184d7a_JaffaCakes118.dll
  2⤵
  - Adds Run key to start application
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:512
- - C:\Windows\SysWOW64\rundll32.exe
    "C:\Windows\system32\rundll32.exe" C:\Windows\system32\pio12.dll DllDownload
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3324

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Browser Extensions

T1176

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/512-0-0x0000000010000000-0x0000000010018000-memory.dmp

Filesize
96KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads