bdfc9ec6465218360bcb66e9e3d8aa696f5cc921ea768301e297e437faa2f877

Analysis

max time kernel
121s
max time network
125s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
05/06/2024, 05:14

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General

Target
9743755a4389e7ea78d32be44a12a971_JaffaCakes118.dll
Size 529KB
Sample240605-fxfngafa7x
SHA256 bdfc9ec6465218360bcb66e9e3d8aa696f5cc921ea768301e297e437faa2f877
MD5 9743755a4389e7ea78d32be44a12a971
SHA1 67a701b834c51f86ed1cb632ff599ac84f969322
SHA512 99236e68f6b33e667493d7305a27f5e030d37fd75f2133f61b2a72629aedf60d342154e33a1b125dba3d2f085c15667c83ef3384f3a26d2f407996ea2de46808
SSDEEP 12288:aakf9rBxxCilhc3MAk4YR9ksNXcv6S6rgBn1nW3z:ipBqiLc3MAk4YTkYciM1W3
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\{95E14BC7-C5F1-4545-8064-E8DAA621580C}	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{95E14BC7-C5F1-4545-8064-E8DAA621580C}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{95E14BC7-C5F1-4545-8064-E8DAA621580C}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{95E14BC7-C5F1-4545-8064-E8DAA621580C}\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{95E14BC7-C5F1-4545-8064-E8DAA621580C}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{95E14BC7-C5F1-4545-8064-E8DAA621580C}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\9743755a4389e7ea78d32be44a12a971_JaffaCakes118.dll"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1908 wrote to memory of 1052	1908	regsvr32.exe	28
PID 1908 wrote to memory of 1052	1908	regsvr32.exe	28
PID 1908 wrote to memory of 1052	1908	regsvr32.exe	28
PID 1908 wrote to memory of 1052	1908	regsvr32.exe	28
PID 1908 wrote to memory of 1052	1908	regsvr32.exe	28
PID 1908 wrote to memory of 1052	1908	regsvr32.exe	28
PID 1908 wrote to memory of 1052	1908	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\9743755a4389e7ea78d32be44a12a971_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1908
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\9743755a4389e7ea78d32be44a12a971_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:1052

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/1052-0-0x00000000008E0000-0x000000000096A000-memory.dmp

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