04b73355de08451c0e4f0cd7bc2c76b2ec2279fb7c36ceed85582dd685023cb8

Analysis

max time kernel
149s
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
11/07/2024, 16:28

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General

Target

39e4b3c799d55adc71b327a8b01ada33_JaffaCakes118.dll
Size

17KB
MD5

39e4b3c799d55adc71b327a8b01ada33
SHA1

8fc4e9a14661644fee3190a466186254054e9541
SHA256

04b73355de08451c0e4f0cd7bc2c76b2ec2279fb7c36ceed85582dd685023cb8
SHA512

30165e9c7cd77d81888b8d9a007bd110efe9e4a7d6152457290f439033cd7653de5935a804a55161fa98566f5e92ef256b97eeecdac20077004383c5dbe2034a
SSDEEP

192:Esm2lhoGZ3M5cQemMprCme1Z+Np+57SEFsnWasM+8sSetQ2E1dY9T1+XeLtZH9UY:tm2sK+hM7NNoLKz+jt1wutZ9/FMDGU

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\{F10587E9-0E47-4CBE-84AE-7DD20B8684BB}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{F10587E9-0E47-4CBE-84AE-7DD20B8684BB}\ = "cj helper"	regsvr32.exe

Modifies registry class 46 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CJ.cjmgr.1\CLSID\ = "{F10587E9-0E47-4CBE-84AE-7DD20B8684BB}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CJ.cjmgr\CLSID\ = "{F10587E9-0E47-4CBE-84AE-7DD20B8684BB}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F10587E9-0E47-4CBE-84AE-7DD20B8684BB}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F7D09218-46D7-4D3D-9B7F-315204CD0836}\ = "Icjmgr"	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\Interface\{F7D09218-46D7-4D3D-9B7F-315204CD0836}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CJ.cjmgr.1\ = "cjmgr Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E63648F7-3933-440E-B4F6-A8584DD7B7EB}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E63648F7-3933-440E-B4F6-A8584DD7B7EB}\1.0\FLAGS\ = "0"	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\TypeLib\{E63648F7-3933-440E-B4F6-A8584DD7B7EB}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\39e4b3c799d55adc71b327a8b01ada33_JaffaCakes118.dll"	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\Interface\{F7D09218-46D7-4D3D-9B7F-315204CD0836}\ = "Icjmgr"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CJ.cjmgr\CurVer\ = "CJ.cjmgr.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CJ.cjmgr\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F10587E9-0E47-4CBE-84AE-7DD20B8684BB}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F10587E9-0E47-4CBE-84AE-7DD20B8684BB}\VersionIndependentProgID\ = "CJ.cjmgr"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F10587E9-0E47-4CBE-84AE-7DD20B8684BB}\Programmable	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\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E63648F7-3933-440E-B4F6-A8584DD7B7EB}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CJ.cjmgr.1	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\TypeLib\{E63648F7-3933-440E-B4F6-A8584DD7B7EB}\1.0\ = "cj 1.0 Type Library"	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\WOW6432Node\CLSID\{F10587E9-0E47-4CBE-84AE-7DD20B8684BB}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\39e4b3c799d55adc71b327a8b01ada33_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CJ.cjmgr\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F10587E9-0E47-4CBE-84AE-7DD20B8684BB}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F7D09218-46D7-4D3D-9B7F-315204CD0836}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F7D09218-46D7-4D3D-9B7F-315204CD0836}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F7D09218-46D7-4D3D-9B7F-315204CD0836}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CJ.cjmgr.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F10587E9-0E47-4CBE-84AE-7DD20B8684BB}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F10587E9-0E47-4CBE-84AE-7DD20B8684BB}\TypeLib\ = "{E63648F7-3933-440E-B4F6-A8584DD7B7EB}"	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\WOW6432Node\CLSID\{F10587E9-0E47-4CBE-84AE-7DD20B8684BB}\ProgID\ = "CJ.cjmgr.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F10587E9-0E47-4CBE-84AE-7DD20B8684BB}\ = "cjmgr Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E63648F7-3933-440E-B4F6-A8584DD7B7EB}\1.0\HELPDIR	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}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F7D09218-46D7-4D3D-9B7F-315204CD0836}\TypeLib\ = "{E63648F7-3933-440E-B4F6-A8584DD7B7EB}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CJ.cjmgr\ = "cjmgr Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F10587E9-0E47-4CBE-84AE-7DD20B8684BB}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F10587E9-0E47-4CBE-84AE-7DD20B8684BB}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F7D09218-46D7-4D3D-9B7F-315204CD0836}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CJ.cjmgr	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2084 wrote to memory of 4084	2084	regsvr32.exe	83
PID 2084 wrote to memory of 4084	2084	regsvr32.exe	83
PID 2084 wrote to memory of 4084	2084	regsvr32.exe	83

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\39e4b3c799d55adc71b327a8b01ada33_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2084
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\39e4b3c799d55adc71b327a8b01ada33_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:4084

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

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Downloads

memory/4084-0-0x0000000010000000-0x000000001000D000-memory.dmp

Filesize
52KB

Download
memory/4084-1-0x0000000001180000-0x0000000001190000-memory.dmp

Filesize
64KB

Download