a5d154a39f61b39a92edd5f952a663856b94286f309b024bc80a7324b1a74dd3

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240708-en
resource tags

arch:x64arch:x86image:win10v2004-20240708-enlocale:en-usos:windows10-2004-x64system
submitted
09/07/2024, 05:03

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General

Target
2f123f5c9954bd4e5856a4919489e1e0_JaffaCakes118.dll
Size 323KB
Sample240709-fp5mmaxdll
SHA256 a5d154a39f61b39a92edd5f952a663856b94286f309b024bc80a7324b1a74dd3
MD5 2f123f5c9954bd4e5856a4919489e1e0
SHA1 ca9aae89886708b1dacbccca816a001fb7baabc8
SHA512 49962805bea988cb1e71ea252d1e9da75700231b9e4f1d8c42c899131e0ebd85c9348fd969309f0dfabc88e8aea8a4c8f918d5802c62b3298cf97ec7de18b095
SSDEEP 6144:zmtTwSIDCidhI966AGkAjOpoaY7iAAY27yZniIms+QTfgv:zKFIDNq6xGJOpqkRypiI38
MD5 SHA1 SHA512 SSDEEP

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\{2293fbac-c9d0-2544-add9-910d985f946b} = "C:\\Windows\\System32\\Rundll32.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\2f123f5c9954bd4e5856a4919489e1e0_JaffaCakes118.dll\" DllInit"	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\{926a45ad-9ade-3f1e-944b-70aab67c57db}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{926a45ad-9ade-3f1e-944b-70aab67c57db}\NoExplorer = "\"\""	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{926a45ad-9ade-3f1e-944b-70aab67c57db}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{926a45ad-9ade-3f1e-944b-70aab67c57db}\ = "superiorads browser optimizer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{926a45ad-9ade-3f1e-944b-70aab67c57db}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{926a45ad-9ade-3f1e-944b-70aab67c57db}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2f123f5c9954bd4e5856a4919489e1e0_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{926a45ad-9ade-3f1e-944b-70aab67c57db}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2168 wrote to memory of 2892	2168	regsvr32.exe	82
PID 2168 wrote to memory of 2892	2168	regsvr32.exe	82
PID 2168 wrote to memory of 2892	2168	regsvr32.exe	82

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\2f123f5c9954bd4e5856a4919489e1e0_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2168
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\2f123f5c9954bd4e5856a4919489e1e0_JaffaCakes118.dll
  2⤵
  - Adds Run key to start application
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2892

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

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Downloads

memory/2892-0-0x0000000010000000-0x000000001005C000-memory.dmp

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memory/2892-1-0x0000000002240000-0x000000000229A000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads