4393a3e5ef9703abd9ff325bdd713261f3834c48143f550d4c517a18767c6d15

Analysis

max time kernel
51s
max time network
51s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
20/06/2024, 06:40

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General

Target
03b6626f558d56cf984e55f22dca4e95_JaffaCakes118.dll
Size 611KB
Sample240620-he6s2sthnc
SHA256 4393a3e5ef9703abd9ff325bdd713261f3834c48143f550d4c517a18767c6d15
MD5 03b6626f558d56cf984e55f22dca4e95
SHA1 b21a9acb5246ce63a4213ac14b94b9e4c8aaead6
SHA512 5b55f5357a69530250b16c5d6ee59049ee6a2df542e98247b143feef106b50ab3e51ea5af661c49a103e30c70f21419d0f911cef6e0d2ef197e7d58af6b426a9
SSDEEP 12288:LHunA3tW4LnCRy3eD8MtEl0jflISWXTIrnAxbVAENM8TDC:LOOB3g8HGSDIAZVAENM8TD
MD5 SHA1 SHA512 SSDEEP

Score

6^/10

adware 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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{00000000-0000-0000-0000-000000000000}\NoExplorer = "1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{00000000-0000-0000-0000-000000000000}	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00000000-0000-0000-0000-000000000000}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00000000-0000-0000-0000-000000000000}\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00000000-0000-0000-0000-000000000000}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00000000-0000-0000-0000-000000000000}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\03b6626f558d56cf984e55f22dca4e95_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00000000-0000-0000-0000-000000000000}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1928 wrote to memory of 3492	1928	regsvr32.exe	82
PID 1928 wrote to memory of 3492	1928	regsvr32.exe	82
PID 1928 wrote to memory of 3492	1928	regsvr32.exe	82

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\03b6626f558d56cf984e55f22dca4e95_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1928
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\03b6626f558d56cf984e55f22dca4e95_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:3492

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

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Downloads

memory/3492-0-0x0000000000600000-0x000000000069D000-memory.dmp

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