e0e45f041e2b1fb504ede037e77397e30812f810f1eaef492111db1bb245fcff

Analysis

max time kernel
93s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
11/04/2024, 04:35

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General

Target
ecae6aad0c0f792eff99998da0297c3b_JaffaCakes118.dll
Size 299KB
Sample240411-e7qezscd82
SHA256 e0e45f041e2b1fb504ede037e77397e30812f810f1eaef492111db1bb245fcff
MD5 ecae6aad0c0f792eff99998da0297c3b
SHA1 3d6d70d7cd07a14353107cd25011f0f7d1dda3a8
SHA512 3e2c1451865a2d1c74fc82152c67e253159ede4f470fb1858fff25319e067de52549c5f4b34f6120995c3c57a316db33bdd1b5b42e3de2ad6a9cb686fbb2fb2e
SSDEEP 6144:nu/hy+60eweRZ4D66r2kGyu4Pn2hFoABoAWVlE:nu5hveweRI6sVGyud/oCJ
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

adware stealer

Malware Config

Signatures

Loads dropped DLL 2 IoCs

pid	Process
4680	regsvr32.exe
4680	regsvr32.exe

Installs/modifies Browser Helper Object 2 TTPs 1 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\{2ED2390A-E6F6-F895-FE75-013E2D97184A}	regsvr32.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Common Files\AdvBHO.dll	regsvr32.exe
File opened for modification	C:\Program Files (x86)\Common Files\AdvBHO.dll	regsvr32.exe

Modifies registry class 58 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{ABF94C77-38BF-0744-BC6B-11809F22D88D}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ABF94C77-38BF-0744-BC6B-11809F22D88D}\ = "AdvBHO"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AdvMimeFilter.AdvMimeFilter\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2ED2390A-E6F6-F895-FE75-013E2D97184A}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ABF94C77-38BF-0744-BC6B-11809F22D88D}\VersionIndependentProgID\ = "AdvMimeFilter.AdvMimeFilter"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ABF94C77-38BF-0744-BC6B-11809F22D88D}\InprocServer32\ = "C:\\Program Files (x86)\\Common Files\\AdvBHO.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\AdvBHO.AdvBHO\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{2ED2390A-E6F6-F895-FE75-013E2D97184A}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\AdvBHO.AdvBHO.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AdvMimeFilter.AdvMimeFilter	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2ED2390A-E6F6-F895-FE75-013E2D97184A}\ProgID\ = "AdvBHO.AdvBHO.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AdvMimeFilter.AdvMimeFilter.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AdvMimeFilter.AdvMimeFilter\CurVer\ = "AdvMimeFilter.AdvMimeFilter.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\AdvBHO.AdvBHO.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AdvMimeFilter.AdvMimeFilter.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2ED2390A-E6F6-F895-FE75-013E2D97184A}\ = "AdvBHO"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ABF94C77-38BF-0744-BC6B-11809F22D88D}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2ED2390A-E6F6-F895-FE75-013E2D97184A}\TypeLib\ = "{E2ED56EA-3BC9-1AC8-421B-7984BC371B35}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ABF94C77-38BF-0744-BC6B-11809F22D88D}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ABF94C77-38BF-0744-BC6B-11809F22D88D}\ProgID\ = "AdvMimeFilter.AdvMimeFilter.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\AdvMimeFilter.AdvMimeFilter.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AdvBHO.AdvBHO\CLSID\ = "{2ED2390A-E6F6-F895-FE75-013E2D97184A}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AdvMimeFilter.AdvMimeFilter.1\ = "AdvBHO"	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{2ED2390A-E6F6-F895-FE75-013E2D97184A}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2ED2390A-E6F6-F895-FE75-013E2D97184A}\VersionIndependentProgID\ = "AdvBHO.AdvBHO"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AdvMimeFilter.AdvMimeFilter\CLSID\ = "{ABF94C77-38BF-0744-BC6B-11809F22D88D}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ABF94C77-38BF-0744-BC6B-11809F22D88D}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ABF94C77-38BF-0744-BC6B-11809F22D88D}\TypeLib\ = "{E2ED56EA-3BC9-1AC8-421B-7984BC371B35}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\AdvMimeFilter.AdvMimeFilter\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\AdvMimeFilter.AdvMimeFilter\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\AdvMimeFilter.AdvMimeFilter	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AdvBHO.AdvBHO\CurVer\ = "AdvBHO.AdvBHO.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AdvBHO.AdvBHO\ = "AdvBHO"	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{2ED2390A-E6F6-F895-FE75-013E2D97184A}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2ED2390A-E6F6-F895-FE75-013E2D97184A}\InprocServer32\ = "C:\\Program Files (x86)\\Common Files\\AdvBHO.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{2ED2390A-E6F6-F895-FE75-013E2D97184A}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AdvBHO.AdvBHO.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AdvBHO.AdvBHO	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AdvBHO.AdvBHO.1\CLSID\ = "{2ED2390A-E6F6-F895-FE75-013E2D97184A}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\AdvBHO.AdvBHO\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{2ED2390A-E6F6-F895-FE75-013E2D97184A}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2ED2390A-E6F6-F895-FE75-013E2D97184A}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{ABF94C77-38BF-0744-BC6B-11809F22D88D}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{ABF94C77-38BF-0744-BC6B-11809F22D88D}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AdvBHO.AdvBHO.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2ED2390A-E6F6-F895-FE75-013E2D97184A}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{ABF94C77-38BF-0744-BC6B-11809F22D88D}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\AdvBHO.AdvBHO	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\AdvMimeFilter.AdvMimeFilter.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AdvMimeFilter.AdvMimeFilter\ = "AdvBHO"	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{ABF94C77-38BF-0744-BC6B-11809F22D88D}	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{2ED2390A-E6F6-F895-FE75-013E2D97184A}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{ABF94C77-38BF-0744-BC6B-11809F22D88D}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AdvBHO.AdvBHO.1\ = "AdvBHO"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AdvBHO.AdvBHO\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AdvMimeFilter.AdvMimeFilter.1\CLSID\ = "{ABF94C77-38BF-0744-BC6B-11809F22D88D}"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3112 wrote to memory of 4680	3112	regsvr32.exe	84
PID 3112 wrote to memory of 4680	3112	regsvr32.exe	84
PID 3112 wrote to memory of 4680	3112	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ecae6aad0c0f792eff99998da0297c3b_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3112
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\ecae6aad0c0f792eff99998da0297c3b_JaffaCakes118.dll
  2⤵
  - Loads dropped DLL
  - Installs/modifies Browser Helper Object
  - Drops file in Program Files directory
  - Modifies registry class
  PID:4680

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

AdvBHO.dll

Path C:\Program Files (x86)\Common Files\AdvBHO.dll
Size 299KB
SHA256 e0e45f041e2b1fb504ede037e77397e30812f810f1eaef492111db1bb245fcff
MD5 ecae6aad0c0f792eff99998da0297c3b
SHA1 3d6d70d7cd07a14353107cd25011f0f7d1dda3a8
SHA512 3e2c1451865a2d1c74fc82152c67e253159ede4f470fb1858fff25319e067de52549c5f4b34f6120995c3c57a316db33bdd1b5b42e3de2ad6a9cb686fbb2fb2e
SSDEEP 6144:nu/hy+60eweRZ4D66r2kGyu4Pn2hFoABoAWVlE:nu5hveweRI6sVGyud/oCJ
MD5 SHA1 SHA512 SSDEEP

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memory/4680-4-0x0000000000AB0000-0x0000000000AFF000-memory.dmp

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