b0f271e7ac2e872d1b4a98756c0727bc144d61635bafccfbe675777db9bb6f41

Analysis

max time kernel
149s
max time network
149s
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, 18:44

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General

Target
08c43ced4601450be2a8ecf4a2b53f15_JaffaCakes118.dll
Size 640KB
Sample240620-xdgvvssbrc
SHA256 b0f271e7ac2e872d1b4a98756c0727bc144d61635bafccfbe675777db9bb6f41
MD5 08c43ced4601450be2a8ecf4a2b53f15
SHA1 72b1fa9995a7ae7e0c5a5d436fb1d27205d250a2
SHA512 ff369c8a78ff5933af41ec663d211d6c530dac279f024413b44afd8c20cef03fa6cff32d563d8890f5e98d5faf856d8c59ce652c161d664977f27ca689bc296c
SSDEEP 12288:XkdtYzsZDM2fjYiV/UzxoyS7nUmsn7lBGwUheh+B2tePm:UdGzs/0kwolUf7lBGwUkh+BA+
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-9526-C24A-EF6E-BAAB8A2D2491}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-9526-C24A-EF6E-BAAB8A2D2491}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\08c43ced4601450be2a8ecf4a2b53f15_JaffaCakes118.brm inc\ = "brm inc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-9526-C24A-EF6E-BAAB8A2D2491}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-9526-C24A-EF6E-BAAB8A2D2491}\ProgID\ = "08c43ced4601450be2a8ecf4a2b53f15_JaffaCakes118.brm inc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-9526-C24A-EF6E-BAAB8A2D2491}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-9526-C24A-EF6E-BAAB8A2D2491}\ = "brm inc"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-9526-C24A-EF6E-BAAB8A2D2491}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\08c43ced4601450be2a8ecf4a2b53f15_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-9526-C24A-EF6E-BAAB8A2D2491}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\08c43ced4601450be2a8ecf4a2b53f15_JaffaCakes118.brm inc	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\08c43ced4601450be2a8ecf4a2b53f15_JaffaCakes118.brm inc\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\08c43ced4601450be2a8ecf4a2b53f15_JaffaCakes118.brm inc\Clsid\ = "{CC01FC6C-9526-C24A-EF6E-BAAB8A2D2491}"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2036 wrote to memory of 5308	2036	regsvr32.exe	81
PID 2036 wrote to memory of 5308	2036	regsvr32.exe	81
PID 2036 wrote to memory of 5308	2036	regsvr32.exe	81

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\08c43ced4601450be2a8ecf4a2b53f15_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2036
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\08c43ced4601450be2a8ecf4a2b53f15_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:5308

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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