06eb0c3d13d13ec71135773dd567ffad2fbc10dc0dc24564e469c3abc14dd2bd

Analysis

max time kernel
142s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25/08/2024, 21:57

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General

Target

c1ad2082c808878d64a6da66fc0a4eca_JaffaCakes118.exe
Size

9.2MB
MD5

c1ad2082c808878d64a6da66fc0a4eca
SHA1

14d5f9f8cc878d41c15d0dffd26f6c5fc3155f32
SHA256

06eb0c3d13d13ec71135773dd567ffad2fbc10dc0dc24564e469c3abc14dd2bd
SHA512

d1463872681cb65cbd220da8f99e5069bc359505429f44b0a5e09aac83cda5611ae529ee5ac99e911e5aded5a586495f55148342f46decb6fbe1bacd280e67d8
SSDEEP

196608:LpDH+7VojzmEpOEr7b8ZvndjE943jQi/CIoEZMlq34dsgubn+JmxXwUf:NDHcojzmgrIVUi/FVASkLubn+8hb

Score

8^/10

adware discovery persistence stealer

Malware Config

Signatures

Event Triggered Execution: Image File Execution Options Injection 1 TTPs 2 IoCs

persistence

Image File Execution Options Injection

T1546.012

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ctfmon.exe	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ctfmon.exe\Debugger = "C:\\Windows\\system32\\ctfmon_aa.exe"	regsvr32.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	c1ad2082c808878d64a6da66fc0a4eca_JaffaCakes118.exe

Loads dropped DLL 1 IoCs

pid	Process
3472	regsvr32.exe

Installs/modifies Browser Helper Object 2 TTPs 3 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	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{D7E01CF0-7755-3E5F-BECB-735116C6280E}	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{D7E01CF0-7755-3E5F-BECB-735116C6280E}\IExplore = "1"	regsvr32.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\xwr80421.dll	c1ad2082c808878d64a6da66fc0a4eca_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\ctfmon_aa.exe	regsvr32.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2680 set thread context of 4068	2680	c1ad2082c808878d64a6da66fc0a4eca_JaffaCakes118.exe	87

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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	c1ad2082c808878d64a6da66fc0a4eca_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c1ad2082c808878d64a6da66fc0a4eca_JaffaCakes118.exe

Modifies registry class 41 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\D.1\ = "D"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\D.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D7E01CF0-7755-3E5F-BECB-735116C6280E}\ = "D"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FA457A62-374E-3D19-B4E3-4C70D1C4A55F}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FA457A62-374E-3D19-B4E3-4C70D1C4A55F}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DFB9E9BC-D6B0-3C17-984E-2D1068E9E555}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D7E01CF0-7755-3E5F-BECB-735116C6280E}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D7E01CF0-7755-3E5F-BECB-735116C6280E}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D7E01CF0-7755-3E5F-BECB-735116C6280E}\VersionIndependentProgID\ = "D"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D7E01CF0-7755-3E5F-BECB-735116C6280E}\InprocServer32\ = "C:\\Windows\\SysWow64\\xwr80421.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D7E01CF0-7755-3E5F-BECB-735116C6280E}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DFB9E9BC-D6B0-3C17-984E-2D1068E9E555}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DFB9E9BC-D6B0-3C17-984E-2D1068E9E555}\1.0\0\win32\ = "C:\\Windows\\SysWow64\\xwr80421.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FA457A62-374E-3D19-B4E3-4C70D1C4A55F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D7E01CF0-7755-3E5F-BECB-735116C6280E}\ProgID\ = "D.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DFB9E9BC-D6B0-3C17-984E-2D1068E9E555}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DFB9E9BC-D6B0-3C17-984E-2D1068E9E555}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DFB9E9BC-D6B0-3C17-984E-2D1068E9E555}\1.0\HELPDIR\ = "C:\\Windows\\SysWow64\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FA457A62-374E-3D19-B4E3-4C70D1C4A55F}\ = "IDOMPeek"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FA457A62-374E-3D19-B4E3-4C70D1C4A55F}\TypeLib\ = "{DFB9E9BC-D6B0-3C17-984E-2D1068E9E555}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\D\CLSID\ = "{D7E01CF0-7755-3E5F-BECB-735116C6280E}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D7E01CF0-7755-3E5F-BECB-735116C6280E}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\D.1\CLSID\ = "{D7E01CF0-7755-3E5F-BECB-735116C6280E}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D7E01CF0-7755-3E5F-BECB-735116C6280E}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DFB9E9BC-D6B0-3C17-984E-2D1068E9E555}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DFB9E9BC-D6B0-3C17-984E-2D1068E9E555}\1.0\ = "LIB"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FA457A62-374E-3D19-B4E3-4C70D1C4A55F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FA457A62-374E-3D19-B4E3-4C70D1C4A55F}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FA457A62-374E-3D19-B4E3-4C70D1C4A55F}\ = "IDOMPeek"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\D\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DFB9E9BC-D6B0-3C17-984E-2D1068E9E555}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FA457A62-374E-3D19-B4E3-4C70D1C4A55F}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\D	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\D\ = "D"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DFB9E9BC-D6B0-3C17-984E-2D1068E9E555}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FA457A62-374E-3D19-B4E3-4C70D1C4A55F}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FA457A62-374E-3D19-B4E3-4C70D1C4A55F}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\D.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FA457A62-374E-3D19-B4E3-4C70D1C4A55F}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FA457A62-374E-3D19-B4E3-4C70D1C4A55F}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FA457A62-374E-3D19-B4E3-4C70D1C4A55F}\TypeLib\ = "{DFB9E9BC-D6B0-3C17-984E-2D1068E9E555}"	regsvr32.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2680 wrote to memory of 3472	2680	c1ad2082c808878d64a6da66fc0a4eca_JaffaCakes118.exe	86
PID 2680 wrote to memory of 3472	2680	c1ad2082c808878d64a6da66fc0a4eca_JaffaCakes118.exe	86
PID 2680 wrote to memory of 3472	2680	c1ad2082c808878d64a6da66fc0a4eca_JaffaCakes118.exe	86
PID 2680 wrote to memory of 4068	2680	c1ad2082c808878d64a6da66fc0a4eca_JaffaCakes118.exe	87
PID 2680 wrote to memory of 4068	2680	c1ad2082c808878d64a6da66fc0a4eca_JaffaCakes118.exe	87
PID 2680 wrote to memory of 4068	2680	c1ad2082c808878d64a6da66fc0a4eca_JaffaCakes118.exe	87
PID 2680 wrote to memory of 4068	2680	c1ad2082c808878d64a6da66fc0a4eca_JaffaCakes118.exe	87
PID 2680 wrote to memory of 4068	2680	c1ad2082c808878d64a6da66fc0a4eca_JaffaCakes118.exe	87
PID 2680 wrote to memory of 4068	2680	c1ad2082c808878d64a6da66fc0a4eca_JaffaCakes118.exe	87
PID 2680 wrote to memory of 4068	2680	c1ad2082c808878d64a6da66fc0a4eca_JaffaCakes118.exe	87
PID 2680 wrote to memory of 4068	2680	c1ad2082c808878d64a6da66fc0a4eca_JaffaCakes118.exe	87
PID 2680 wrote to memory of 4068	2680	c1ad2082c808878d64a6da66fc0a4eca_JaffaCakes118.exe	87

C:\Users\Admin\AppData\Local\Temp\c1ad2082c808878d64a6da66fc0a4eca_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c1ad2082c808878d64a6da66fc0a4eca_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2680
- C:\Windows\SysWOW64\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" /s C:\Windows\system32\xwr80421.dll
  2⤵
  - Event Triggered Execution: Image File Execution Options Injection
  - Loads dropped DLL
  - Installs/modifies Browser Helper Object
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:3472
- C:\Users\Admin\AppData\Local\Temp\c1ad2082c808878d64a6da66fc0a4eca_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\c1ad2082c808878d64a6da66fc0a4eca_JaffaCakes118.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4068

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Browser Extensions

T1176

Event Triggered Execution

T1546

Image File Execution Options Injection

T1546.012

Privilege Escalation

Event Triggered Execution

T1546

Image File Execution Options Injection

T1546.012

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\xwr80421.dll

Filesize
224KB

MD5
f11a6dd981bba1ed38b20b62150d0b7f

SHA1
6f907d1a7a5035a397b3b79c96ec07a48f148548

SHA256
c6d7930852b02a8e84bc1dfca3753c1b2124c8f4b5190ce96e564113a25a34ee

SHA512
634f56924bc78a36eda54296b1c0eaee9d35da692cb0ce8c05ce50fcc21f37a1869133aa3d605b45bd4f85238c5b81383e15a14530af6e56a07b571b92f22b9a

Download Submit
memory/4068-3-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/4068-4-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/4068-5-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/4068-6-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/4068-7-0x00000000006A0000-0x00000000006A1000-memory.dmp

Filesize
4KB

Download
memory/4068-8-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/4068-10-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads