939a3ca527bf51701486593468cd358ba3d7cca4601c643f3062a59507fd05f9

Analysis

max time kernel
147s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21-09-2024 02:53

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General

Target

eef0d1f0feb87a95aaed41d12f96fce0_JaffaCakes118.exe
Size

76KB
MD5

eef0d1f0feb87a95aaed41d12f96fce0
SHA1

f367ce56ee11094b9146cdb5bfc092451884ec5b
SHA256

939a3ca527bf51701486593468cd358ba3d7cca4601c643f3062a59507fd05f9
SHA512

4d3f7c15e615cce1171c71c4aac5ab769c21202c370b291647df88a79516b02063bb70fa72f6530c5d3381dbaf99bd7e3266a0268b1de5ffdce1a9ae6a185ffb
SSDEEP

768:cZVy+DZ4mV+RMO2rhgFwuqCbxTGy/BBGg4NKhLU4dhbDW2+Kv00dX0vN0TlT+XyT:Wamlu3hbBGy3G8nhMpDG

Score

10^/10

discovery evasion persistence

Malware Config

Signatures

Modifies visibility of file extensions in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	eef0d1f0feb87a95aaed41d12f96fce0_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	vcn.exe

Executes dropped EXE 1 IoCs

pid	Process
2712	vcn.exe

Modifies system executable filetype association 2 TTPs 2 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt	eef0d1f0feb87a95aaed41d12f96fce0_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt	vcn.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\VisualStyle = "c:\\windows\\system32\\Desktop.sysm"	vcn.exe

Enumerates connected drives 3 TTPs 22 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\W:	vcn.exe
File opened (read-only)	\??\Y:	vcn.exe
File opened (read-only)	\??\H:	vcn.exe
File opened (read-only)	\??\L:	vcn.exe
File opened (read-only)	\??\R:	vcn.exe
File opened (read-only)	\??\X:	vcn.exe
File opened (read-only)	\??\E:	vcn.exe
File opened (read-only)	\??\J:	vcn.exe
File opened (read-only)	\??\T:	vcn.exe
File opened (read-only)	\??\O:	vcn.exe
File opened (read-only)	\??\U:	vcn.exe
File opened (read-only)	\??\Z:	vcn.exe
File opened (read-only)	\??\B:	vcn.exe
File opened (read-only)	\??\I:	vcn.exe
File opened (read-only)	\??\K:	vcn.exe
File opened (read-only)	\??\P:	vcn.exe
File opened (read-only)	\??\Q:	vcn.exe
File opened (read-only)	\??\S:	vcn.exe
File opened (read-only)	\??\V:	vcn.exe
File opened (read-only)	\??\G:	vcn.exe
File opened (read-only)	\??\M:	vcn.exe
File opened (read-only)	\??\N:	vcn.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	\??\c:\windows\SysWOW64\maxtrox.txt	vcn.exe
File opened for modification	\??\c:\windows\SysWOW64\Windows 3D.scr	vcn.exe
File created	\??\c:\windows\SysWOW64\Desktop.sysm	vcn.exe
File created	\??\c:\windows\SysWOW64\CommandPrompt.Sysm	vcn.exe
File created	\??\c:\windows\SysWOW64\maxtrox.txt	eef0d1f0feb87a95aaed41d12f96fce0_JaffaCakes118.exe
File created	\??\c:\windows\SysWOW64\Windows 3D.scr	eef0d1f0feb87a95aaed41d12f96fce0_JaffaCakes118.exe

Drops file in Program Files directory 27 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\Windows Media Player\wmpnetwk.exe	vcn.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\default-browser-agent.exe	vcn.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\firefox.exe	vcn.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\maintenanceservice.exe	vcn.exe
File opened for modification	\??\c:\Program Files\Windows Media Player\wmplayer.exe	vcn.exe
File opened for modification	\??\c:\Program Files\7-Zip\7zFM.exe	vcn.exe
File opened for modification	\??\c:\Program Files\7-Zip\Uninstall.exe	vcn.exe
File opened for modification	\??\c:\Program Files\Windows Media Player\wmpnscfg.exe	vcn.exe
File opened for modification	\??\c:\Program Files\Internet Explorer\iexplore.exe	vcn.exe
File opened for modification	\??\c:\Program Files\Windows Media Player\setup_wm.exe	vcn.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\crashreporter.exe	vcn.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\pingsender.exe	vcn.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\plugin-container.exe	vcn.exe
File opened for modification	\??\c:\Program Files\Windows Mail\wabmig.exe	vcn.exe
File opened for modification	\??\c:\Program Files\Windows Media Player\wmprph.exe	vcn.exe
File opened for modification	\??\c:\Program Files\Windows Media Player\wmpshare.exe	vcn.exe
File opened for modification	\??\c:\Program Files\Internet Explorer\iediagcmd.exe	vcn.exe
File opened for modification	\??\c:\Program Files\Internet Explorer\ielowutil.exe	vcn.exe
File opened for modification	\??\c:\Program Files\Internet Explorer\ieinstal.exe	vcn.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	vcn.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\private_browsing.exe	vcn.exe
File opened for modification	\??\c:\Program Files\Windows Media Player\wmpconfig.exe	vcn.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\minidump-analyzer.exe	vcn.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\updater.exe	vcn.exe
File opened for modification	\??\c:\Program Files\Windows Media Player\wmlaunch.exe	vcn.exe
File opened for modification	\??\c:\Program Files\7-Zip\7z.exe	vcn.exe
File opened for modification	\??\c:\Program Files\7-Zip\7zG.exe	vcn.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	eef0d1f0feb87a95aaed41d12f96fce0_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vcn.exe

Modifies registry class 36 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\NeverShowExt	eef0d1f0feb87a95aaed41d12f96fce0_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command	vcn.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile	eef0d1f0feb87a95aaed41d12f96fce0_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt	eef0d1f0feb87a95aaed41d12f96fce0_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd	eef0d1f0feb87a95aaed41d12f96fce0_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon	eef0d1f0feb87a95aaed41d12f96fce0_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon\ = "c:\\windows\\SysWow64\\rasphone.exe"	eef0d1f0feb87a95aaed41d12f96fce0_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm	eef0d1f0feb87a95aaed41d12f96fce0_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\ = "System Mechanic"	eef0d1f0feb87a95aaed41d12f96fce0_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm	vcn.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon\ = "c:\\windows\\SysWow64\\netsetup.exe"	vcn.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\NeverShowExt	eef0d1f0feb87a95aaed41d12f96fce0_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell	eef0d1f0feb87a95aaed41d12f96fce0_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon	vcn.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command	vcn.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command\ = "%1"	eef0d1f0feb87a95aaed41d12f96fce0_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell	eef0d1f0feb87a95aaed41d12f96fce0_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open	eef0d1f0feb87a95aaed41d12f96fce0_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt	vcn.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon	vcn.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command	eef0d1f0feb87a95aaed41d12f96fce0_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon	eef0d1f0feb87a95aaed41d12f96fce0_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open	eef0d1f0feb87a95aaed41d12f96fce0_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command\ = "%1"	eef0d1f0feb87a95aaed41d12f96fce0_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile	vcn.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\ = "Microsoft System Direct"	vcn.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\NeverShowExt	vcn.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command	eef0d1f0feb87a95aaed41d12f96fce0_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command\ = "%1"	vcn.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\ = "Microsoft System Direct"	eef0d1f0feb87a95aaed41d12f96fce0_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon\ = "c:\\windows\\SysWow64\\netsetup.exe"	eef0d1f0feb87a95aaed41d12f96fce0_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd	vcn.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\NeverShowExt	vcn.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon\ = "c:\\windows\\SysWow64\\rasphone.exe"	vcn.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\ = "System Mechanic"	vcn.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command\ = "%1"	vcn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1028	eef0d1f0feb87a95aaed41d12f96fce0_JaffaCakes118.exe
2712	vcn.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1028 wrote to memory of 2712	1028	eef0d1f0feb87a95aaed41d12f96fce0_JaffaCakes118.exe	82
PID 1028 wrote to memory of 2712	1028	eef0d1f0feb87a95aaed41d12f96fce0_JaffaCakes118.exe	82
PID 1028 wrote to memory of 2712	1028	eef0d1f0feb87a95aaed41d12f96fce0_JaffaCakes118.exe	82

C:\Users\Admin\AppData\Local\Temp\eef0d1f0feb87a95aaed41d12f96fce0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\eef0d1f0feb87a95aaed41d12f96fce0_JaffaCakes118.exe"
1⤵
- Modifies visibility of file extensions in Explorer
- Modifies system executable filetype association
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1028
- \??\c:\Documents and Settings\Admin\Application Data\Microsoft\vcn.exe
  "c:\Documents and Settings\Admin\Application Data\Microsoft\vcn.exe" eef0d1f0feb87a95aaed41d12f96fce0_JaffaCakes118
  2⤵
  - Modifies visibility of file extensions in Explorer
  - Executes dropped EXE
  - Modifies system executable filetype association
  - Adds Run key to start application
  - Enumerates connected drives
  - Drops file in System32 directory
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of SetWindowsHookEx
  PID:2712

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

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:\Users\Admin\AppData\Roaming\Microsoft\vcn.exe

Filesize
76KB

MD5
659866514f7685920b027197a9253c09

SHA1
7ef7d33fa6d6cc090528dcc9b08e32e3f6d76eac

SHA256
f37ada6c76dc36ecf0f4a32a560bcde084d31dd33e4965da845a1c23a73df4dc

SHA512
6b2f0c2fe17e42f59aa90a108c5fdac8003a3d2adac400ead151d7ac28492c8f937d7aefe29e085ee7f202343a745b54229921dabe12eee9256e2edaa06a55e1

Download Submit
\??\c:\windows\SysWOW64\Windows 3D.scr

Filesize
76KB

MD5
e40df861d8bedd59aa80b890f65213b5

SHA1
cc599573e5d9c4c4b379a251778448f458bca1f0

SHA256
c64a33d95f9a667003c6fa19e3d658517ce465c526f6c43ba0ec4b42a45fde7c

SHA512
24d866f927a105d531225251b62cc1b15d956e322a816041da4dcc57a6133525cf995548da123467b93ddda4b1396b8233bc56fed744f0fd91f17857ec777260

Download Submit
\??\c:\windows\SysWOW64\maxtrox.txt

Filesize
8B

MD5
24865ca220aa1936cbac0a57685217c5

SHA1
37f687cafe79e91eae6cbdffbf2f7ad3975f5e83

SHA256
841e95fa333ed89085bfbab19bb658d96ed0c837d25721411233fa55c860c743

SHA512
c8d3f514c72f48fed5de9582c4252cf5466a9d32866d8df3631ba9274ed734bb95139e4909e8116a10947fc1afa1dbeb33809da6ec050e6e4eb83d5241aeb062

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads