814438e446c349f2c525a038b8070fd50290de2a2ba29b9aad51b8bf447e623c

Analysis

max time kernel
142s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
25/06/2024, 07:13

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General

Target

0d2a299142290d073a25d3ad53109ad6_JaffaCakes118.dll
Size

162KB
MD5

0d2a299142290d073a25d3ad53109ad6
SHA1

d11afc49275c0ac026e8c49f234c8fdd6ff42729
SHA256

814438e446c349f2c525a038b8070fd50290de2a2ba29b9aad51b8bf447e623c
SHA512

f59a0e1166105a4cae8214f6270006f632c4eda11b740056eba3ed1f9aa81cc4ec24970004c8fb6fc14d328e0e7e9ca514232ada469b9b6788e9fecf16ccccd7
SSDEEP

3072:r5l4p6b9VnznvHdzsvltRNsp2L7+Ise4xAFFHKz+yMv5BxJ:r526znzvd4vDR+pnBxAFJHPxJ

Score

6^/10

adware persistence stealer

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\{8602cd9f-0adc-c57e-6fdc-9594413bd944} = "C:\\Windows\\System32\\Rundll32.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\0d2a299142290d073a25d3ad53109ad6_JaffaCakes118.dll\" DllStub"	regsvr32.exe

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\{d8468fc4-12dd-bea5-a080-8a42a73e05e5}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{d8468fc4-12dd-bea5-a080-8a42a73e05e5}\NoExplorer = "\"\""	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{d8468fc4-12dd-bea5-a080-8a42a73e05e5}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0d2a299142290d073a25d3ad53109ad6_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{d8468fc4-12dd-bea5-a080-8a42a73e05e5}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{d8468fc4-12dd-bea5-a080-8a42a73e05e5}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{d8468fc4-12dd-bea5-a080-8a42a73e05e5}\ = "cpmsky browser enhancer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{d8468fc4-12dd-bea5-a080-8a42a73e05e5}\InProcServer32	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4964 wrote to memory of 1152	4964	regsvr32.exe	89
PID 4964 wrote to memory of 1152	4964	regsvr32.exe	89
PID 4964 wrote to memory of 1152	4964	regsvr32.exe	89

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\0d2a299142290d073a25d3ad53109ad6_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4964
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\0d2a299142290d073a25d3ad53109ad6_JaffaCakes118.dll
  2⤵
  - Adds Run key to start application
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:1152

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 --mojo-platform-channel-handle=4140 --field-trial-handle=2692,i,8678872182442199182,12502579059484928042,262144 --variations-seed-version /prefetch:8
1⤵
PID:832

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Browser Extensions

T1176

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

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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