e808c3aaa704b46e1c7d9bdb717c78d50adad976da059fef014ea2ae921a3f88

Analysis

max time kernel
125s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
04/07/2024, 02:14

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General

Target

244a148f7d021ac1a9c3a51d31023d30_JaffaCakes118.dll
Size

13KB
MD5

244a148f7d021ac1a9c3a51d31023d30
SHA1

65d0993f6e553f36be0cf76df309292be9936a3c
SHA256

e808c3aaa704b46e1c7d9bdb717c78d50adad976da059fef014ea2ae921a3f88
SHA512

19dc40ccf0bbedfb8550f6ec3466b81fc3e350e92e256211d16edcf8a368a6c57d0a3c235977d5ee00fa413860cde7fb823bd6b230f2980c7ba3a9d77f406bb5
SSDEEP

192:XDI/SCFB98sfoIznvkacrH8WYW9WrV0EGBwKF5f9t9bJY7GpEHU5Tr/RK6B:0/bDYaejAVRKwK9bJ7mHU5nRJ

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\{5DDE5591-A8AB-4897-93EF-1E4E943F85A7}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{5DDE5591-A8AB-4897-93EF-1E4E943F85A7}\	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{5DDE5591-A8AB-4897-93EF-1E4E943F85A7}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5DDE5591-A8AB-4897-93EF-1E4E943F85A7}\xxx = "xxx"	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{5DDE5591-A8AB-4897-93EF-1E4E943F85A7}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5DDE5591-A8AB-4897-93EF-1E4E943F85A7}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\244a148f7d021ac1a9c3a51d31023d30_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5DDE5591-A8AB-4897-93EF-1E4E943F85A7}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2208 wrote to memory of 4072	2208	regsvr32.exe	89
PID 2208 wrote to memory of 4072	2208	regsvr32.exe	89
PID 2208 wrote to memory of 4072	2208	regsvr32.exe	89

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\244a148f7d021ac1a9c3a51d31023d30_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2208
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\244a148f7d021ac1a9c3a51d31023d30_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:4072

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 --no-appcompat-clear --field-trial-handle=4256,i,13640054265074968359,8146127767143474550,262144 --variations-seed-version --mojo-platform-channel-handle=3924 /prefetch:8
1⤵
PID:3604

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

Windows 7 deprecation

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