a8e479728616cac7dec81cd2ad9e6b818e7137c2fc464fb3a93c66e882d37736

Analysis

max time kernel
121s
max time network
136s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
18/04/2024, 02:34

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General

Target

f715c91115a8c9d9d3e3e804bb76e0c5_JaffaCakes118.dll
Size

423KB
MD5

f715c91115a8c9d9d3e3e804bb76e0c5
SHA1

8416fd597f0ec9399713ebb210ce6154fdc78a93
SHA256

a8e479728616cac7dec81cd2ad9e6b818e7137c2fc464fb3a93c66e882d37736
SHA512

5ae15b08b706b50bde4a3ad24bcbc87baa658e587b411dcac9b8c115164eae83127086c5d02709fa67c5a9ee9621ccbe49003418af7c49a531fd5bb8a34b27f9
SSDEEP

6144:aHitHRYQahRBMViahTpHNa7oyhI966AGkAjOpoaY7a4xNgYdnROCDrReCt9B75Ul:aCtu7RBMVphV/eq6xGJOpqPTxROK1Tda

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
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{585e7f4b-1ca4-6877-636e-b96c40a21eff}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{585e7f4b-1ca4-6877-636e-b96c40a21eff}\NoExplorer = "\"\""	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{585e7f4b-1ca4-6877-636e-b96c40a21eff}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{585e7f4b-1ca4-6877-636e-b96c40a21eff}\ = "dcads"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{585e7f4b-1ca4-6877-636e-b96c40a21eff}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{585e7f4b-1ca4-6877-636e-b96c40a21eff}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\f715c91115a8c9d9d3e3e804bb76e0c5_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{585e7f4b-1ca4-6877-636e-b96c40a21eff}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2520 wrote to memory of 2276	2520	regsvr32.exe	27
PID 2520 wrote to memory of 2276	2520	regsvr32.exe	27
PID 2520 wrote to memory of 2276	2520	regsvr32.exe	27
PID 2520 wrote to memory of 2276	2520	regsvr32.exe	27
PID 2520 wrote to memory of 2276	2520	regsvr32.exe	27
PID 2520 wrote to memory of 2276	2520	regsvr32.exe	27
PID 2520 wrote to memory of 2276	2520	regsvr32.exe	27

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\f715c91115a8c9d9d3e3e804bb76e0c5_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2520
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\f715c91115a8c9d9d3e3e804bb76e0c5_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2276

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/2276-0-0x0000000010000000-0x000000001009B000-memory.dmp

Filesize
620KB

Download
memory/2276-1-0x00000000009F0000-0x0000000000A4A000-memory.dmp

Filesize
360KB

Download
memory/2276-2-0x00000000030E0000-0x00000000030E2000-memory.dmp

Filesize
8KB

Download