a4d218a60aaa96f27837196fe1b698dca30abba89c3ab3beaa660bfa506e7be7

Analysis

max time kernel
136s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
12/08/2024, 03:13

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General

Target

8d16b4b2f8c038283cf50667a1b2673a_JaffaCakes118.dll
Size

684KB
MD5

8d16b4b2f8c038283cf50667a1b2673a
SHA1

aa72c01e7ec407948d56c44bf8caffc9f53fa402
SHA256

a4d218a60aaa96f27837196fe1b698dca30abba89c3ab3beaa660bfa506e7be7
SHA512

15c7dc83e615fdccbb535b852d8d8882b4141281fc22d662e55542dde8fab2da9e53116239610f88b406c02bbcc869a09a83f95486b61b863e45dc4fa63e9153
SSDEEP

12288:xTqAuC2lsh/CuJfVNXXSF70Mp3IYPU+KEfEgqIqptZY+jQTmFPapzGDGe7+:x/2+1CwXS5fp3Ixe+sTmta

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\{735d7f0f-d3a9-4a93-15cd-05f10fd19ac5}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{735d7f0f-d3a9-4a93-15cd-05f10fd19ac5}\NoExplorer = "\"\""	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\{735d7f0f-d3a9-4a93-15cd-05f10fd19ac5}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{735d7f0f-d3a9-4a93-15cd-05f10fd19ac5}\ = "coolblueads"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{735d7f0f-d3a9-4a93-15cd-05f10fd19ac5}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{735d7f0f-d3a9-4a93-15cd-05f10fd19ac5}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8d16b4b2f8c038283cf50667a1b2673a_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{735d7f0f-d3a9-4a93-15cd-05f10fd19ac5}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3016 wrote to memory of 2184	3016	regsvr32.exe	84
PID 3016 wrote to memory of 2184	3016	regsvr32.exe	84
PID 3016 wrote to memory of 2184	3016	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\8d16b4b2f8c038283cf50667a1b2673a_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3016
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\8d16b4b2f8c038283cf50667a1b2673a_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2184

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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