f6f1eb735610fe5d1bf9d0b762a69e8d5f9cb37765c1f59e67dd3dba389d0fa9

Analysis

max time kernel
95s
max time network
100s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09/10/2024, 04:27

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General

Target

2acddcfc003673911bf7c51e36128d35_JaffaCakes118.dll
Size

1.4MB
MD5

2acddcfc003673911bf7c51e36128d35
SHA1

3a3562e6399617fac036a3a597fe9c5e7fe0833f
SHA256

f6f1eb735610fe5d1bf9d0b762a69e8d5f9cb37765c1f59e67dd3dba389d0fa9
SHA512

ce157672ccd0418a7e34e6124b292dee12c523ff0e21241244d48ab783cc4d7ca85d4af81e269eb97ddd7e39426d69e49f6145d58d206defcdd7860d92452ab4
SSDEEP

24576:ZvffBv3htYeD7seUgvCQGWoWoF4NUZ6tc29T38QHixCf4L923zdQHro4VhY:Npv39vsMC1WYF4NUZ6tlsTCHeH0f

Score

9^/10

adware discovery evasion stealer

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	regsvr32.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Wine	regsvr32.exe

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\{668ED8BB-9DC7-41E2-B2EA-35FDE492BE37}	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{668ED8BB-9DC7-41E2-B2EA-35FDE492BE37}\NoExplorer = "1"	regsvr32.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4356	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\{668ED8BB-9DC7-41E2-B2EA-35FDE492BE37}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{668ED8BB-9DC7-41E2-B2EA-35FDE492BE37}\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{668ED8BB-9DC7-41E2-B2EA-35FDE492BE37}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{668ED8BB-9DC7-41E2-B2EA-35FDE492BE37}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2acddcfc003673911bf7c51e36128d35_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{668ED8BB-9DC7-41E2-B2EA-35FDE492BE37}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4356	regsvr32.exe
4356	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5100 wrote to memory of 4356	5100	regsvr32.exe	83
PID 5100 wrote to memory of 4356	5100	regsvr32.exe	83
PID 5100 wrote to memory of 4356	5100	regsvr32.exe	83

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\2acddcfc003673911bf7c51e36128d35_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:5100
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\2acddcfc003673911bf7c51e36128d35_JaffaCakes118.dll
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Identifies Wine through registry keys
  - Installs/modifies Browser Helper Object
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  PID:4356

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Browser Extensions

T1176

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4356-0-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/4356-1-0x0000000077E94000-0x0000000077E96000-memory.dmp

Filesize
8KB

Download
memory/4356-2-0x0000000000401000-0x0000000000486000-memory.dmp

Filesize
532KB

Download
memory/4356-3-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/4356-4-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/4356-5-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download