3017574a9a38208d40e8726b2649f7c68ff65fd34e324184bd08be309501da51

Analysis

max time kernel
138s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
11/08/2024, 05:04

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General

Target

8919c3726bcd525bdc12f8c16c47087b_JaffaCakes118.dll
Size

586KB
MD5

8919c3726bcd525bdc12f8c16c47087b
SHA1

2ba0b3cdcd32cb7a35550161bef0d5821c8dfd6c
SHA256

3017574a9a38208d40e8726b2649f7c68ff65fd34e324184bd08be309501da51
SHA512

db59f5e322675d16ed3bc09e2ca15b736662bd2ac13f17b4eea9ae09f7163fcd62b6e8eda34606d78d575c3e69eebb3478dc7fa5e73a00ca5bd8a3c3c33c8f2d
SSDEEP

12288:Y69TPiyKmY78ON3UOp+Nw8eYeLGjhnu8K7Rh:/iytexN3NmeK17K/

Score

6^/10

adware discovery 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\{EC10A749-CFEC-59AF-F5E4-A7D4104D5873}	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{EC10A749-CFEC-59AF-F5E4-A7D4104D5873}\NoExplorer = "1"	regsvr32.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\Explorer Bars\{5B659982-6825-07B5-CE65-6BAE4406E3E8}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\Explorer Bars	regsvr32.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5B659982-6825-07B5-CE65-6BAE4406E3E8}\Implemented Categories	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5B659982-6825-07B5-CE65-6BAE4406E3E8}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC10A749-CFEC-59AF-F5E4-A7D4104D5873}\ = "mysidesearch search enhancer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC10A749-CFEC-59AF-F5E4-A7D4104D5873}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC10A749-CFEC-59AF-F5E4-A7D4104D5873}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5B659982-6825-07B5-CE65-6BAE4406E3E8}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8919c3726bcd525bdc12f8c16c47087b_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC10A749-CFEC-59AF-F5E4-A7D4104D5873}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5B659982-6825-07B5-CE65-6BAE4406E3E8}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC10A749-CFEC-59AF-F5E4-A7D4104D5873}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8919c3726bcd525bdc12f8c16c47087b_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5B659982-6825-07B5-CE65-6BAE4406E3E8}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5B659982-6825-07B5-CE65-6BAE4406E3E8}\ = "Search panel"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5B659982-6825-07B5-CE65-6BAE4406E3E8}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5B659982-6825-07B5-CE65-6BAE4406E3E8}\Implemented Categories\{00021493-0000-0000-C000-000000000046}	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2836 wrote to memory of 4216	2836	regsvr32.exe	91
PID 2836 wrote to memory of 4216	2836	regsvr32.exe	91
PID 2836 wrote to memory of 4216	2836	regsvr32.exe	91

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\8919c3726bcd525bdc12f8c16c47087b_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2836
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\8919c3726bcd525bdc12f8c16c47087b_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Modifies registry class
  PID:4216

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3908,i,8231329449558834090,4540802069600791165,262144 --variations-seed-version --mojo-platform-channel-handle=1308 /prefetch:8
1⤵
PID:2408

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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