41ac49191e218a80cbf0f963f84ed12c4d88ba33cc68ec60ff9c0fc80088afcf

Analysis

max time kernel
147s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240319-en
resource tags

arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
submitted
07/04/2024, 15:39

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
e544a78573e5ce0920e8b3b9f4efc674_JaffaCakes118.dll
Size 565KB
Sample240407-s3nbqaff71
SHA256 41ac49191e218a80cbf0f963f84ed12c4d88ba33cc68ec60ff9c0fc80088afcf
MD5 e544a78573e5ce0920e8b3b9f4efc674
SHA1 65ce73e71cf7a8c67adb942b0a250d2263da8d17
SHA512 5e069e09074669889a8f3fbf827fc470345826af30cc6374ddc1e23f3306072a2bdd9bfb7bece9b4640341cf404f6b2b3434c50c9dff77917686f0c64e358f04
SSDEEP 12288:9yA1ZdqVfv/6HftOIA3+00wstpSdCi3TLdLOGQZZvrQH6VBwi:N1fqZCHwIr00taCiHpEZZvrG6
MD5 SHA1 SHA512 SSDEEP

Score

6^/10

adware stealer

Malware Config

Signatures

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\{CC01FC6C-EAE7-8338-8E96-47FE484D72B2}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-EAE7-8338-8E96-47FE484D72B2}\ = "xx"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-EAE7-8338-8E96-47FE484D72B2}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-EAE7-8338-8E96-47FE484D72B2}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\e544a78573e5ce0920e8b3b9f4efc674_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-EAE7-8338-8E96-47FE484D72B2}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\e544a78573e5ce0920e8b3b9f4efc674_JaffaCakes118.xx\Clsid\ = "{CC01FC6C-EAE7-8338-8E96-47FE484D72B2}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-EAE7-8338-8E96-47FE484D72B2}\ProgID\ = "e544a78573e5ce0920e8b3b9f4efc674_JaffaCakes118.xx"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-EAE7-8338-8E96-47FE484D72B2}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\e544a78573e5ce0920e8b3b9f4efc674_JaffaCakes118.xx	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\e544a78573e5ce0920e8b3b9f4efc674_JaffaCakes118.xx\ = "xx"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\e544a78573e5ce0920e8b3b9f4efc674_JaffaCakes118.xx\Clsid	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-EAE7-8338-8E96-47FE484D72B2}\ProgID	regsvr32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeManageVolumePrivilege	1968	svchost.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1656 wrote to memory of 3576	1656	regsvr32.exe	93
PID 1656 wrote to memory of 3576	1656	regsvr32.exe	93
PID 1656 wrote to memory of 3576	1656	regsvr32.exe	93

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\e544a78573e5ce0920e8b3b9f4efc674_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1656
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\e544a78573e5ce0920e8b3b9f4efc674_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:3576

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=4964 --field-trial-handle=2232,i,3915538061666887171,15629965885515244134,262144 --variations-seed-version /prefetch:8
1⤵
PID:2696

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
1⤵
PID:3836

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k UnistackSvcGroup
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1968

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

Loading Replay Monitor...

Downloads

memory/1968-1-0x0000025952A50000-0x0000025952A60000-memory.dmp

Download

memory/1968-17-0x0000025952B50000-0x0000025952B60000-memory.dmp

Download

memory/1968-33-0x000002595AEC0000-0x000002595AEC1000-memory.dmp

Download

memory/1968-35-0x000002595AEF0000-0x000002595AEF1000-memory.dmp

Download

memory/1968-36-0x000002595AEF0000-0x000002595AEF1000-memory.dmp

Download

memory/1968-37-0x000002595B000000-0x000002595B001000-memory.dmp

Download

memory/3576-0-0x0000000002170000-0x0000000002203000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads