d103c5d7256a98b1738eeaea94396a610e9cfeed67c6cecf1b4bdacacb7bcb43

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
22/06/2024, 10:03

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General

Target
018c209d2dde5a76c1fb8ea3bd1c9c99_JaffaCakes118.dll
Size 640KB
Sample240622-l3g2datakb
SHA256 d103c5d7256a98b1738eeaea94396a610e9cfeed67c6cecf1b4bdacacb7bcb43
MD5 018c209d2dde5a76c1fb8ea3bd1c9c99
SHA1 57e090a535e3fced8c7697f5b290b2b16a433618
SHA512 8137ae0daaf47c50422068e5335493d181632a91f7de0fd9cb52dde9084b734999e0c095bc9d0265553d5720cfbd7f4554d2a08cbd67d0db8d14fd92b125aeec
SSDEEP 12288:3kdtYzsZDM2fjYiV/UzxoyS7nUmsn7lK7DbhT2tePm:0dGzs/0kwolUf7lihTA+
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\{CC01FC6C-489D-4767-3D12-4A26F7E57F87}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-489D-4767-3D12-4A26F7E57F87}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-489D-4767-3D12-4A26F7E57F87}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-489D-4767-3D12-4A26F7E57F87}\ProgID\ = "018c209d2dde5a76c1fb8ea3bd1c9c99_JaffaCakes118.brm inc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\018c209d2dde5a76c1fb8ea3bd1c9c99_JaffaCakes118.brm inc\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\018c209d2dde5a76c1fb8ea3bd1c9c99_JaffaCakes118.brm inc\Clsid\ = "{CC01FC6C-489D-4767-3D12-4A26F7E57F87}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-489D-4767-3D12-4A26F7E57F87}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-489D-4767-3D12-4A26F7E57F87}\ = "brm inc"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-489D-4767-3D12-4A26F7E57F87}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\018c209d2dde5a76c1fb8ea3bd1c9c99_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-489D-4767-3D12-4A26F7E57F87}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\018c209d2dde5a76c1fb8ea3bd1c9c99_JaffaCakes118.brm inc	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\018c209d2dde5a76c1fb8ea3bd1c9c99_JaffaCakes118.brm inc\ = "brm inc"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1232 wrote to memory of 2116	1232	regsvr32.exe	28
PID 1232 wrote to memory of 2116	1232	regsvr32.exe	28
PID 1232 wrote to memory of 2116	1232	regsvr32.exe	28
PID 1232 wrote to memory of 2116	1232	regsvr32.exe	28
PID 1232 wrote to memory of 2116	1232	regsvr32.exe	28
PID 1232 wrote to memory of 2116	1232	regsvr32.exe	28
PID 1232 wrote to memory of 2116	1232	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\018c209d2dde5a76c1fb8ea3bd1c9c99_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1232
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\018c209d2dde5a76c1fb8ea3bd1c9c99_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2116

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/2116-0-0x0000000000260000-0x0000000000304000-memory.dmp

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