2695c3ce481d2e54a8feddcae6bca5cdb24fc4b024623232a1e9dcb4561da28b

Analysis

max time kernel
13s
max time network
19s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
13/07/2024, 00:32

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General

Target

3f809e87a6b2447294e4c086bae3145f_JaffaCakes118.dll
Size

162KB
MD5

3f809e87a6b2447294e4c086bae3145f
SHA1

dbe8be31d0b593863921bfaf8ee329620b210c9b
SHA256

2695c3ce481d2e54a8feddcae6bca5cdb24fc4b024623232a1e9dcb4561da28b
SHA512

c1db0c84d05b96fe20a7a67c118a2a2e408a5592e1842eaea9948a90969f4d9ada2af628f06c4a684fef60145c4f497b0c377d2c3963c4dc2ecd587cee0579dc
SSDEEP

3072:DpN0o1OmkQm+JJ1/dd6gvBwPp9QTeo8eoxwr/ELoGyMv59:DpDOmkZ+JJF1vBwPpZxxwrcUkb

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\{09d70dc3-cdf4-d34c-4496-9da088d1ef47} = "C:\\Windows\\System32\\Rundll32.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\3f809e87a6b2447294e4c086bae3145f_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\{a2b74aab-ee67-8b12-0beb-46ea7e0bbb81}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{a2b74aab-ee67-8b12-0beb-46ea7e0bbb81}\NoExplorer = "\"\""	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{a2b74aab-ee67-8b12-0beb-46ea7e0bbb81}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{a2b74aab-ee67-8b12-0beb-46ea7e0bbb81}\ = "agadoo browser enhancer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{a2b74aab-ee67-8b12-0beb-46ea7e0bbb81}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{a2b74aab-ee67-8b12-0beb-46ea7e0bbb81}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3f809e87a6b2447294e4c086bae3145f_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{a2b74aab-ee67-8b12-0beb-46ea7e0bbb81}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2452 wrote to memory of 2812	2452	regsvr32.exe	29
PID 2452 wrote to memory of 2812	2452	regsvr32.exe	29
PID 2452 wrote to memory of 2812	2452	regsvr32.exe	29
PID 2452 wrote to memory of 2812	2452	regsvr32.exe	29
PID 2452 wrote to memory of 2812	2452	regsvr32.exe	29
PID 2452 wrote to memory of 2812	2452	regsvr32.exe	29
PID 2452 wrote to memory of 2812	2452	regsvr32.exe	29

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\3f809e87a6b2447294e4c086bae3145f_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2452
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\3f809e87a6b2447294e4c086bae3145f_JaffaCakes118.dll
  2⤵
  - Adds Run key to start application
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2812

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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