ac6e1060922e7a121f60eb3d81b673de51a0f67a6b473cf64813a811db7f1565

Analysis

max time kernel
147s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06/09/2024, 14:16

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General

Target

cfb9a8e1a6953a08e2c3be406797875b_JaffaCakes118.exe
Size

76KB
MD5

cfb9a8e1a6953a08e2c3be406797875b
SHA1

36cb70079f47415a6dd5bbb4e10127e12323f4e0
SHA256

ac6e1060922e7a121f60eb3d81b673de51a0f67a6b473cf64813a811db7f1565
SHA512

d57ac06faecf616b8b0c2839034e22b123c734440291cd48ed46fc91a99bcb93ac2b20d1ba291ee52d2dc5f9faaef8867c64ac990c4bc221255c9a9edff3cb6b
SSDEEP

768:XembNRqsuhlGO5rhgFwumSCbxTGy/BBGg4NKJJKqUThbJ32+ve7i40vN0TlT+Xky:5nqtu3abBGy3G8V0iuoKr

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-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	cfb9a8e1a6953a08e2c3be406797875b_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	ascg.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-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	cfb9a8e1a6953a08e2c3be406797875b_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	ascg.exe

Executes dropped EXE 1 IoCs

pid	Process
868	ascg.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	cfb9a8e1a6953a08e2c3be406797875b_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt	ascg.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"	ascg.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)	\??\M:	ascg.exe
File opened (read-only)	\??\O:	ascg.exe
File opened (read-only)	\??\S:	ascg.exe
File opened (read-only)	\??\U:	ascg.exe
File opened (read-only)	\??\B:	ascg.exe
File opened (read-only)	\??\E:	ascg.exe
File opened (read-only)	\??\I:	ascg.exe
File opened (read-only)	\??\L:	ascg.exe
File opened (read-only)	\??\W:	ascg.exe
File opened (read-only)	\??\X:	ascg.exe
File opened (read-only)	\??\H:	ascg.exe
File opened (read-only)	\??\P:	ascg.exe
File opened (read-only)	\??\V:	ascg.exe
File opened (read-only)	\??\Z:	ascg.exe
File opened (read-only)	\??\J:	ascg.exe
File opened (read-only)	\??\N:	ascg.exe
File opened (read-only)	\??\R:	ascg.exe
File opened (read-only)	\??\Y:	ascg.exe
File opened (read-only)	\??\G:	ascg.exe
File opened (read-only)	\??\K:	ascg.exe
File opened (read-only)	\??\Q:	ascg.exe
File opened (read-only)	\??\T:	ascg.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	\??\c:\windows\SysWOW64\Windows 3D.scr	cfb9a8e1a6953a08e2c3be406797875b_JaffaCakes118.exe
File opened for modification	\??\c:\windows\SysWOW64\maxtrox.txt	ascg.exe
File opened for modification	\??\c:\windows\SysWOW64\Windows 3D.scr	ascg.exe
File created	\??\c:\windows\SysWOW64\Desktop.sysm	ascg.exe
File created	\??\c:\windows\SysWOW64\CommandPrompt.Sysm	ascg.exe
File created	\??\c:\windows\SysWOW64\maxtrox.txt	cfb9a8e1a6953a08e2c3be406797875b_JaffaCakes118.exe

Drops file in Program Files directory 28 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\7-Zip\7z.exe	ascg.exe
File opened for modification	\??\c:\Program Files\Windows Media Player\setup_wm.exe	ascg.exe
File opened for modification	\??\c:\Program Files\Internet Explorer\iediagcmd.exe	ascg.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\crashreporter.exe	ascg.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\default-browser-agent.exe	ascg.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\maintenanceservice.exe	ascg.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\pingsender.exe	ascg.exe
File opened for modification	\??\c:\Program Files\Internet Explorer\ieinstal.exe	ascg.exe
File opened for modification	\??\c:\Program Files\Internet Explorer\ielowutil.exe	ascg.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\firefox.exe	ascg.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\plugin-container.exe	ascg.exe
File opened for modification	\??\c:\Program Files\7-Zip\7zG.exe	ascg.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	ascg.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\minidump-analyzer.exe	ascg.exe
File opened for modification	\??\c:\Program Files\Windows Media Player\wmlaunch.exe	ascg.exe
File opened for modification	\??\c:\Program Files\Windows Media Player\wmpshare.exe	ascg.exe
File opened for modification	\??\c:\Program Files\WatchGet.exe	ascg.exe
File opened for modification	\??\c:\Program Files\Windows Mail\wabmig.exe	ascg.exe
File opened for modification	\??\c:\Program Files\Windows Media Player\wmplayer.exe	ascg.exe
File opened for modification	\??\c:\Program Files\7-Zip\Uninstall.exe	ascg.exe
File opened for modification	\??\c:\Program Files\Internet Explorer\iexplore.exe	ascg.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\private_browsing.exe	ascg.exe
File opened for modification	\??\c:\Program Files\Windows Media Player\wmpnscfg.exe	ascg.exe
File opened for modification	\??\c:\Program Files\7-Zip\7zFM.exe	ascg.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\updater.exe	ascg.exe
File opened for modification	\??\c:\Program Files\Windows Media Player\wmpconfig.exe	ascg.exe
File opened for modification	\??\c:\Program Files\Windows Media Player\wmpnetwk.exe	ascg.exe
File opened for modification	\??\c:\Program Files\Windows Media Player\wmprph.exe	ascg.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	cfb9a8e1a6953a08e2c3be406797875b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ascg.exe

Modifies registry class 36 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell	cfb9a8e1a6953a08e2c3be406797875b_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon\ = "c:\\windows\\SysWow64\\netsetup.exe"	cfb9a8e1a6953a08e2c3be406797875b_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon\ = "c:\\windows\\SysWow64\\rasphone.exe"	ascg.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command\ = "%1"	ascg.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon\ = "c:\\windows\\SysWow64\\netsetup.exe"	ascg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile	cfb9a8e1a6953a08e2c3be406797875b_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command\ = "%1"	cfb9a8e1a6953a08e2c3be406797875b_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\NeverShowExt	cfb9a8e1a6953a08e2c3be406797875b_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open	cfb9a8e1a6953a08e2c3be406797875b_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile	ascg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm	cfb9a8e1a6953a08e2c3be406797875b_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon	ascg.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\ = "Microsoft System Direct"	cfb9a8e1a6953a08e2c3be406797875b_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command	cfb9a8e1a6953a08e2c3be406797875b_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon	cfb9a8e1a6953a08e2c3be406797875b_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon	cfb9a8e1a6953a08e2c3be406797875b_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command	cfb9a8e1a6953a08e2c3be406797875b_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command\ = "%1"	cfb9a8e1a6953a08e2c3be406797875b_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd	ascg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command	ascg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command	ascg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open	cfb9a8e1a6953a08e2c3be406797875b_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\NeverShowExt	ascg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon	ascg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd	cfb9a8e1a6953a08e2c3be406797875b_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\ = "System Mechanic"	cfb9a8e1a6953a08e2c3be406797875b_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt	ascg.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\ = "Microsoft System Direct"	ascg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm	ascg.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\NeverShowExt	ascg.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt	cfb9a8e1a6953a08e2c3be406797875b_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\NeverShowExt	cfb9a8e1a6953a08e2c3be406797875b_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon\ = "c:\\windows\\SysWow64\\rasphone.exe"	cfb9a8e1a6953a08e2c3be406797875b_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell	cfb9a8e1a6953a08e2c3be406797875b_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\ = "System Mechanic"	ascg.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command\ = "%1"	ascg.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1864	cfb9a8e1a6953a08e2c3be406797875b_JaffaCakes118.exe
868	ascg.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1864 wrote to memory of 868	1864	cfb9a8e1a6953a08e2c3be406797875b_JaffaCakes118.exe	85
PID 1864 wrote to memory of 868	1864	cfb9a8e1a6953a08e2c3be406797875b_JaffaCakes118.exe	85
PID 1864 wrote to memory of 868	1864	cfb9a8e1a6953a08e2c3be406797875b_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\cfb9a8e1a6953a08e2c3be406797875b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\cfb9a8e1a6953a08e2c3be406797875b_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
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1864
- \??\c:\Documents and Settings\Admin\Application Data\Microsoft\ascg.exe
  "c:\Documents and Settings\Admin\Application Data\Microsoft\ascg.exe" cfb9a8e1a6953a08e2c3be406797875b_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
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of SetWindowsHookEx
  PID:868

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\ascg.exe

Filesize
76KB

MD5
088da9ab6defd70867b16e300b42b281

SHA1
8bb0a69c4b324d1249712e2cb783b49beb44ba42

SHA256
c7f422793fef926894c3decf3ab0e01538b97fce45fafd1ea6fc5225614a928e

SHA512
2e629cf0f425f31b4a5ba18371f5024f980efb36b5141f1ef2c99811ecb128a12ccb2e515fe01f6552d8b111d31868725d293c293bb3037a317c12c8131c933f

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

Filesize
76KB

MD5
2327779558c7635902c1a9d004a9423c

SHA1
e6c0c7940c98fad44c2fe31582397b404712bf06

SHA256
2de288e0923627d31583c01db5af276fbcb429b8c9cf65ee8e9835410d0d8596

SHA512
6f5c6f66718064aac33079b4585f2685a05740b3e4e7ad1b9ce7070b58a0784e96429b3fff02ddf158e4e157fffba65ddb81c99a8b30e5f85a3a5c2078dacb1e

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