c82b6ce1d433560cd76b6539eecab83a2db5c2a3b06696d406f7aa80f4964e7b

Analysis

max time kernel
93s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
08-07-2024 14:36

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2cb7dcff00e37426af86a9867460400a_JaffaCakes118.exe
Size

72KB
MD5

2cb7dcff00e37426af86a9867460400a
SHA1

83918e9253438fd37b8e704a5a1b2fe6edca641d
SHA256

c82b6ce1d433560cd76b6539eecab83a2db5c2a3b06696d406f7aa80f4964e7b
SHA512

31df89b8975c8d01e7e06387ef123d3366b86b4a07ba33481a2782915c48dee7aa5a90a97603f3ba63460c4cfa5c98fb94b4f05a86f6deae5dc41cfebb09a073
SSDEEP

1536:sqjOw3yIUwRE8I5R5o8KkJNFaxRmqWa0qG6:vjzO8i5dNJNFoRqk

Score

7^/10

adware stealer upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000800000002348e-4.dat	acprotect

Loads dropped DLL 2 IoCs

pid	Process
3492	regsvr32.exe
2700	regsvr32.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000800000002348e-4.dat	upx
behavioral2/memory/2700-6-0x0000000010000000-0x000000001000C000-memory.dmp	upx

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\{AC212FB9-3883-461E-A559-37A4F6100FB0}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{da7ff3f8-08be-4cac-bc00-94d91c6ae7f4}	regsvr32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\iacad.dll	regsvr32.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\mtbsys3.dll	2cb7dcff00e37426af86a9867460400a_JaffaCakes118.exe

Modifies Internet Explorer settings 1 TTPs 4 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key deleted	\REGISTRY\USER\S-1-5-21-587429654-1855694383-2268796072-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar	regsvr32.exe
Key deleted	\REGISTRY\USER\S-1-5-21-587429654-1855694383-2268796072-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\TOOLBAR\WEBBROWSER	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Internet Explorer\Toolbar	regsvr32.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Toolbar\{a19ef336-01d4-48e6-926a-fe7e1c747aed}	regsvr32.exe

Modifies registry class 64 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EF77D50B-5767-4E0E-A3A4-098670025F1D}\TypeLib\ = "{42FC3840-020C-4E93-A34C-4DF1A6330FBB}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A55C3BA7-DB1E-4652-867E-055CEAFE8018}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AC212FB9-3883-461E-A559-37A4F6100FB0}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{57B88FEF-AB18-4FEB-B7F6-F6AF93C23F45}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{57B88FEF-AB18-4FEB-B7F6-F6AF93C23F45}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{636FF82A-830A-42EA-938B-6DC78B2AC30C}\ = "IStockBar"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{636FF82A-830A-42EA-938B-6DC78B2AC30C}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EF77D50B-5767-4E0E-A3A4-098670025F1D}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A55C3BA7-DB1E-4652-867E-055CEAFE8018}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ZToolbar.StockBar.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ZToolbar.activator.1\CLSID\ = "{da7ff3f8-08be-4cac-bc00-94d91c6ae7f4}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{da7ff3f8-08be-4cac-bc00-94d91c6ae7f4}\VersionIndependentProgID\ = "ZToolbar.activator"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{57B88FEF-AB18-4FEB-B7F6-F6AF93C23F45}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EF77D50B-5767-4E0E-A3A4-098670025F1D}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A55C3BA7-DB1E-4652-867E-055CEAFE8018}\TypeLib\ = "{42FC3840-020C-4E93-A34C-4DF1A6330FBB}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MagicLoader.MagicBHO\ = "MagicBHO Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{da7ff3f8-08be-4cac-bc00-94d91c6ae7f4}\ = "ZToolbar Activator Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{da7ff3f8-08be-4cac-bc00-94d91c6ae7f4}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EF77D50B-5767-4E0E-A3A4-098670025F1D}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{a19ef336-01d4-48e6-926a-fe7e1c747aed}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ZToolbar.ParamWr\CurVer\ = "ZToolbar.ParamWr.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{636FF82A-830A-42EA-938B-6DC78B2AC30C}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{57B88FEF-AB18-4FEB-B7F6-F6AF93C23F45}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{AE772DE0-743C-4FEB-A4D6-31CA5F6E3DCD}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{636FF82A-830A-42EA-938B-6DC78B2AC30C}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ba048011-957f-4ba0-a804-62c28d96f878}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{636FF82A-830A-42EA-938B-6DC78B2AC30C}\ = "IStockBar"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EF77D50B-5767-4E0E-A3A4-098670025F1D}\TypeLib\ = "{42FC3840-020C-4E93-A34C-4DF1A6330FBB}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MagicLoader.MagicBHO\CLSID\ = "{AC212FB9-3883-461E-A559-37A4F6100FB0}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{57B88FEF-AB18-4FEB-B7F6-F6AF93C23F45}\1.0\ = "magicLoader 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{AE772DE0-743C-4FEB-A4D6-31CA5F6E3DCD}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ba048011-957f-4ba0-a804-62c28d96f878}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ZToolbar.activator\ = "ZToolbar Activator Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MagicLoader.MagicBHO	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ZToolbar.activator\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{a19ef336-01d4-48e6-926a-fe7e1c747aed}\ = "Search Toolbar"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ZToolbar.ParamWr\CLSID\ = "{ba048011-957f-4ba0-a804-62c28d96f878}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ba048011-957f-4ba0-a804-62c28d96f878}\ = "CParamWr Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{AE772DE0-743C-4FEB-A4D6-31CA5F6E3DCD}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ba048011-957f-4ba0-a804-62c28d96f878}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ba048011-957f-4ba0-a804-62c28d96f878}\MiscStatus\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{42FC3840-020C-4E93-A34C-4DF1A6330FBB}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{636FF82A-830A-42EA-938B-6DC78B2AC30C}\TypeLib\ = "{42FC3840-020C-4E93-A34C-4DF1A6330FBB}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{a19ef336-01d4-48e6-926a-fe7e1c747aed}\TypeLib\ = "{42fc3840-020c-4e93-a34c-4df1a6330fbb}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MagicLoader.MagicBHO.1\ = "MagicBHO Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MagicLoader.MagicBHO\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{AE772DE0-743C-4FEB-A4D6-31CA5F6E3DCD}\ = "IMagicBHO"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{AE772DE0-743C-4FEB-A4D6-31CA5F6E3DCD}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EF77D50B-5767-4E0E-A3A4-098670025F1D}\ = "IParamWr"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ZToolbar.ParamWr	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ba048011-957f-4ba0-a804-62c28d96f878}\VersionIndependentProgID\ = "ZToolbar.ParamWr"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ba048011-957f-4ba0-a804-62c28d96f878}\Version	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{42FC3840-020C-4E93-A34C-4DF1A6330FBB}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EF77D50B-5767-4E0E-A3A4-098670025F1D}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ZToolbar.StockBar	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ZToolbar.StockBar\ = "ZToolbar"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{a19ef336-01d4-48e6-926a-fe7e1c747aed}\VersionIndependentProgID\ = "ZToolbar.StockBar"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ZToolbar.ParamWr.1\ = "CParamWr Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{636FF82A-830A-42EA-938B-6DC78B2AC30C}\TypeLib\ = "{42FC3840-020C-4E93-A34C-4DF1A6330FBB}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EF77D50B-5767-4E0E-A3A4-098670025F1D}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EF77D50B-5767-4E0E-A3A4-098670025F1D}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{a19ef336-01d4-48e6-926a-fe7e1c747aed}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{da7ff3f8-08be-4cac-bc00-94d91c6ae7f4}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AC212FB9-3883-461E-A559-37A4F6100FB0}\InprocServer32\ = "C:\\Windows\\SysWow64\\iacad.dll"	regsvr32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4272 wrote to memory of 3492	4272	2cb7dcff00e37426af86a9867460400a_JaffaCakes118.exe	82
PID 4272 wrote to memory of 3492	4272	2cb7dcff00e37426af86a9867460400a_JaffaCakes118.exe	82
PID 4272 wrote to memory of 3492	4272	2cb7dcff00e37426af86a9867460400a_JaffaCakes118.exe	82
PID 3492 wrote to memory of 2700	3492	regsvr32.exe	84
PID 3492 wrote to memory of 2700	3492	regsvr32.exe	84
PID 3492 wrote to memory of 2700	3492	regsvr32.exe	84

C:\Users\Admin\AppData\Local\Temp\2cb7dcff00e37426af86a9867460400a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2cb7dcff00e37426af86a9867460400a_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4272
- C:\Windows\SysWOW64\regsvr32.exe
  regsvr32.exe /s "C:\Windows\mtbsys3.dll"
  2⤵
  - Loads dropped DLL
  - Installs/modifies Browser Helper Object
  - Drops file in System32 directory
  - Modifies Internet Explorer settings
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:3492
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32.exe /s "C:\Windows\system32\iacad.dll"
    3⤵
    - Loads dropped DLL
    - Installs/modifies Browser Helper Object
    - Modifies registry class
    PID:2700

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

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\iacad.dll

Filesize
12KB

MD5
3d21f928aaebd1503761d2711bde4a7a

SHA1
c26f4394250ae5f771a9ab71c1d36834594c853b

SHA256
2e99027f5c5c6c22789228c75fdfe143af1a55482b0ebed07539fef9713154d8

SHA512
91772bf1443729c6106a58108eda76bf8721c71e452383927f1d2744a2ebf9ae4c47c6e920ba7c8bce39ec9c68e3d2183a24db2da0bb2acc46ba3adad165ec90

Download Submit
C:\Windows\mtbsys3.dll

Filesize
68KB

MD5
aa9af3fd5a42df334b626426474aa7ef

SHA1
aa0f802be3f55c5188058c7ae2105f0e7607885d

SHA256
dfeb865325adb9393242677633f410e6be8bbd638ad5db2196bd919b84b481c1

SHA512
e7dfc84da6ee0b072d4a4098858a5f94cab887f80eb363aec1fc0396d2daf2611f46313363ced854a4280b2dec4d158498861ffe4e7be577fa34d3ea2c87c2f9

Download Submit
memory/2700-6-0x0000000010000000-0x000000001000C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads