792780283e3fc384a3b7ae688d6f2cc2c8af4fc62316deb4c9275817beef639e

Analysis

max time kernel
139s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20240910-en
resource tags

arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
submitted
19/09/2024, 09:12

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General

Target

eb03a2d20ada717d09aca1a6a1a65dc9_JaffaCakes118.dll
Size

1.2MB
MD5

eb03a2d20ada717d09aca1a6a1a65dc9
SHA1

a1d8abf1959eb9ad1a7617949db58f6434217ece
SHA256

792780283e3fc384a3b7ae688d6f2cc2c8af4fc62316deb4c9275817beef639e
SHA512

ef81f751a1483fa956ec048d770ce86a317de8c1d95764e7297f15f35d072d495e7bba276931341708dae0b32f57dca19eee163ab654a00812ebd4c488c249c8
SSDEEP

24576:uOmpL2hz7ZEv9OXqrzY1nLsZML+RkT8RsTsZOfnPTHj2XidK6ZlJ9RM1:WLwaQwaFPTb4mlXRM1

Score

6^/10

adware discovery 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\{aedf8d87-3a64-7f47-d678-98393dcd141d}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{aedf8d87-3a64-7f47-d678-98393dcd141d}\NoExplorer = "\"\""	regsvr32.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{aedf8d87-3a64-7f47-d678-98393dcd141d}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{aedf8d87-3a64-7f47-d678-98393dcd141d}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\eb03a2d20ada717d09aca1a6a1a65dc9_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{aedf8d87-3a64-7f47-d678-98393dcd141d}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{aedf8d87-3a64-7f47-d678-98393dcd141d}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{aedf8d87-3a64-7f47-d678-98393dcd141d}\ = "flvdirect"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4296 wrote to memory of 4588	4296	regsvr32.exe	84
PID 4296 wrote to memory of 4588	4296	regsvr32.exe	84
PID 4296 wrote to memory of 4588	4296	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\eb03a2d20ada717d09aca1a6a1a65dc9_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4296
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\eb03a2d20ada717d09aca1a6a1a65dc9_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:4588

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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