5b54353fe813d0da90dad9f8e339d1b6451f52125c4b6146e5fcecf3312125a1

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07/09/2024, 05:05

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General

Target

d1235e648785a7b2c5839fbe9debe855_JaffaCakes118.dll
Size

36KB
MD5

d1235e648785a7b2c5839fbe9debe855
SHA1

7397581ed25d4f861ff7d0775c04b6dd7b4f2dfb
SHA256

5b54353fe813d0da90dad9f8e339d1b6451f52125c4b6146e5fcecf3312125a1
SHA512

73d90bd91205fefc2d1cce1e66344598eed1f2790f21eb6499125fb8bc223dcc4ecf19835689b0197a1c2eb198b98930e71afdd54bc32cda753b91a76070e821
SSDEEP

768:Q59+tvNZKvxoPdATpQF2sdnZsWbfWA6a1ZpdZyIsNJgN:Q50tzKpo1AVurpD+A/zpbZoJgN

Score

6^/10

adware discovery 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\{7B4BD334-6FF6-49C2-8587-9D9947F15C26}	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{7B4BD334-6FF6-49C2-8587-9D9947F15C26}\NoExplorer = "1"	regsvr32.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7B4BD334-6FF6-49C2-8587-9D9947F15C26}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7B4BD334-6FF6-49C2-8587-9D9947F15C26}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7B4BD334-6FF6-49C2-8587-9D9947F15C26}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\d1235e648785a7b2c5839fbe9debe855_JaffaCakes118.dll"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1732 wrote to memory of 1996	1732	regsvr32.exe	30
PID 1732 wrote to memory of 1996	1732	regsvr32.exe	30
PID 1732 wrote to memory of 1996	1732	regsvr32.exe	30
PID 1732 wrote to memory of 1996	1732	regsvr32.exe	30
PID 1732 wrote to memory of 1996	1732	regsvr32.exe	30
PID 1732 wrote to memory of 1996	1732	regsvr32.exe	30
PID 1732 wrote to memory of 1996	1732	regsvr32.exe	30

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\d1235e648785a7b2c5839fbe9debe855_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1732
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\d1235e648785a7b2c5839fbe9debe855_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:1996

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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