5ac46365e9b3f4910ce07cd2421ce51fac85fc3430e6ffd4bf3f1b98109b5a6a

Analysis

max time kernel
147s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
12/07/2024, 03:24

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General

Target

3bd30e9c95b5a2a437a023f3e995b619_JaffaCakes118.exe
Size

76KB
MD5

3bd30e9c95b5a2a437a023f3e995b619
SHA1

789ec2f7f6c48657907109624f5524c2ba68ffe2
SHA256

5ac46365e9b3f4910ce07cd2421ce51fac85fc3430e6ffd4bf3f1b98109b5a6a
SHA512

1cb9f7cee22e6ec7d22e647c81844ff96488b715332d75b32ec3fa87b2ae74afed11ee4f948b91d038370d790ab7a1ae161e28e95a73a38ac57ae8a107607875
SSDEEP

768:HembNRqsuhlGOBrhgFwumSCbxTGy/BBGg4NKJJKqUThbJ32+ve7i40vN0TlT+Xkj:Jnqdu3abBGy3G8V0iuo2i

Score

10^/10

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-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	3bd30e9c95b5a2a437a023f3e995b619_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	dsnv.exe

Modifies visiblity of hidden/system files 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-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	dsnv.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	3bd30e9c95b5a2a437a023f3e995b619_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2328	dsnv.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	3bd30e9c95b5a2a437a023f3e995b619_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt	dsnv.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"	dsnv.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)	\??\P:	dsnv.exe
File opened (read-only)	\??\R:	dsnv.exe
File opened (read-only)	\??\E:	dsnv.exe
File opened (read-only)	\??\L:	dsnv.exe
File opened (read-only)	\??\O:	dsnv.exe
File opened (read-only)	\??\Q:	dsnv.exe
File opened (read-only)	\??\T:	dsnv.exe
File opened (read-only)	\??\W:	dsnv.exe
File opened (read-only)	\??\M:	dsnv.exe
File opened (read-only)	\??\N:	dsnv.exe
File opened (read-only)	\??\H:	dsnv.exe
File opened (read-only)	\??\I:	dsnv.exe
File opened (read-only)	\??\K:	dsnv.exe
File opened (read-only)	\??\U:	dsnv.exe
File opened (read-only)	\??\Z:	dsnv.exe
File opened (read-only)	\??\B:	dsnv.exe
File opened (read-only)	\??\G:	dsnv.exe
File opened (read-only)	\??\V:	dsnv.exe
File opened (read-only)	\??\X:	dsnv.exe
File opened (read-only)	\??\Y:	dsnv.exe
File opened (read-only)	\??\J:	dsnv.exe
File opened (read-only)	\??\S:	dsnv.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	\??\c:\windows\SysWOW64\CommandPrompt.Sysm	dsnv.exe
File created	\??\c:\windows\SysWOW64\maxtrox.txt	3bd30e9c95b5a2a437a023f3e995b619_JaffaCakes118.exe
File created	\??\c:\windows\SysWOW64\Windows 3D.scr	3bd30e9c95b5a2a437a023f3e995b619_JaffaCakes118.exe
File opened for modification	\??\c:\windows\SysWOW64\maxtrox.txt	dsnv.exe
File opened for modification	\??\c:\windows\SysWOW64\Windows 3D.scr	dsnv.exe
File created	\??\c:\windows\SysWOW64\Desktop.sysm	dsnv.exe

Drops file in Program Files directory 27 IoCs

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

Modifies registry class 36 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell	3bd30e9c95b5a2a437a023f3e995b619_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\NeverShowExt	dsnv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm	dsnv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\NeverShowExt	dsnv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon\ = "c:\\windows\\SysWow64\\netsetup.exe"	dsnv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm	3bd30e9c95b5a2a437a023f3e995b619_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon\ = "c:\\windows\\SysWow64\\rasphone.exe"	3bd30e9c95b5a2a437a023f3e995b619_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command	3bd30e9c95b5a2a437a023f3e995b619_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\ = "System Mechanic"	dsnv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd	3bd30e9c95b5a2a437a023f3e995b619_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command\ = "%1"	3bd30e9c95b5a2a437a023f3e995b619_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile	dsnv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd	dsnv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon\ = "c:\\windows\\SysWow64\\rasphone.exe"	dsnv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command	3bd30e9c95b5a2a437a023f3e995b619_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon	3bd30e9c95b5a2a437a023f3e995b619_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command\ = "%1"	dsnv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command\ = "%1"	3bd30e9c95b5a2a437a023f3e995b619_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open	3bd30e9c95b5a2a437a023f3e995b619_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command	dsnv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\NeverShowExt	3bd30e9c95b5a2a437a023f3e995b619_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\ = "System Mechanic"	3bd30e9c95b5a2a437a023f3e995b619_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon\ = "c:\\windows\\SysWow64\\netsetup.exe"	3bd30e9c95b5a2a437a023f3e995b619_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt	dsnv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command\ = "%1"	dsnv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell	3bd30e9c95b5a2a437a023f3e995b619_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\ = "Microsoft System Direct"	dsnv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon	dsnv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command	dsnv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\ = "Microsoft System Direct"	3bd30e9c95b5a2a437a023f3e995b619_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt	3bd30e9c95b5a2a437a023f3e995b619_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\NeverShowExt	3bd30e9c95b5a2a437a023f3e995b619_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon	3bd30e9c95b5a2a437a023f3e995b619_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open	3bd30e9c95b5a2a437a023f3e995b619_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon	dsnv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile	3bd30e9c95b5a2a437a023f3e995b619_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4004	3bd30e9c95b5a2a437a023f3e995b619_JaffaCakes118.exe
2328	dsnv.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4004 wrote to memory of 2328	4004	3bd30e9c95b5a2a437a023f3e995b619_JaffaCakes118.exe	83
PID 4004 wrote to memory of 2328	4004	3bd30e9c95b5a2a437a023f3e995b619_JaffaCakes118.exe	83
PID 4004 wrote to memory of 2328	4004	3bd30e9c95b5a2a437a023f3e995b619_JaffaCakes118.exe	83

C:\Users\Admin\AppData\Local\Temp\3bd30e9c95b5a2a437a023f3e995b619_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3bd30e9c95b5a2a437a023f3e995b619_JaffaCakes118.exe"
1⤵
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files in Explorer
- Modifies system executable filetype association
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4004
- \??\c:\Documents and Settings\Admin\Application Data\Microsoft\dsnv.exe
  "c:\Documents and Settings\Admin\Application Data\Microsoft\dsnv.exe" 3bd30e9c95b5a2a437a023f3e995b619_JaffaCakes118
  2⤵
  - Modifies visibility of file extensions in Explorer
  - Modifies visiblity of hidden/system files 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
  - Modifies registry class
  - Suspicious use of SetWindowsHookEx
  PID:2328

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\dsnv.exe

Filesize
76KB

MD5
8067247cc4005239a4f97ec45f4289f1

SHA1
e0b602cd32309d404765989b9a8f28deab8e2597

SHA256
55dc22b8e6cc5705c17fcc843d37f49b64bcdeb8a6cb97364c45b4c958d1b07e

SHA512
edb443abed888a33a6dad74a5792ea4a8187d0a8c13ff184d12de6d69a659e725cbbf22d8f6fc01fcda857327a60b2f5f987a3afad41b681fff19844f0076898

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

Filesize
76KB

MD5
f8aa0d882908cc983cc6649869af3298

SHA1
48c794541b5d1b05ecc02f4705881eb156ea74c0

SHA256
4767ecc12348497c8ebe50d0539e28232f6a1b13b2882715d08fe04f2d3321da

SHA512
067fb9936f870fc6032704375e03fdee9ab04f9a5ec4c5937f381173cfc492e744090dc7008fc9a8290333f987db2b3188446a6d9fcb78b90edb180786744b28

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