Analysis
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max time kernel
93s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
01-10-2024 03:44
Static task
static1
Behavioral task
behavioral1
Sample
043fbd84e0a00c3fbf71b88a3e2739bc_JaffaCakes118.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
043fbd84e0a00c3fbf71b88a3e2739bc_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
043fbd84e0a00c3fbf71b88a3e2739bc_JaffaCakes118.exe
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Size
60KB
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MD5
043fbd84e0a00c3fbf71b88a3e2739bc
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SHA1
02f42bcab70e675d309a89b34125461cde1a7ea5
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SHA256
39c7f0761cb71570fc1a3dda81f18f97ac6d58e15b7b24cdadc9cf60dffd18a1
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SHA512
26506f5843c573f2b1a8c4923a4b38d83e998a6a34d1ce087e127a9099fb04f7baa5d6d4bc166ccd4094220054f569e54bac9403bd4944d62ca225bd0bc16660
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SSDEEP
768:mOucKn7n1JXDNANIUNbvLDwUzc80gmq3oP/oDk:mO2XDNAPNr/0O8/og
Malware Config
Signatures
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Nitro
A ransomware that demands Discord nitro gift codes to decrypt files.
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Renames multiple (80) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
043fbd84e0a00c3fbf71b88a3e2739bc_JaffaCakes118.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NR = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\043fbd84e0a00c3fbf71b88a3e2739bc_JaffaCakes118.exe\"" 043fbd84e0a00c3fbf71b88a3e2739bc_JaffaCakes118.exe -
Drops desktop.ini file(s) 5 IoCs
Processes:
043fbd84e0a00c3fbf71b88a3e2739bc_JaffaCakes118.exedescription ioc process File opened for modification C:\Users\Admin\Pictures\Saved Pictures\desktop.ini 043fbd84e0a00c3fbf71b88a3e2739bc_JaffaCakes118.exe File opened for modification C:\Users\Admin\Documents\desktop.ini 043fbd84e0a00c3fbf71b88a3e2739bc_JaffaCakes118.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini 043fbd84e0a00c3fbf71b88a3e2739bc_JaffaCakes118.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini 043fbd84e0a00c3fbf71b88a3e2739bc_JaffaCakes118.exe File opened for modification C:\Users\Admin\Pictures\Camera Roll\desktop.ini 043fbd84e0a00c3fbf71b88a3e2739bc_JaffaCakes118.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 6 IoCs
Processes:
flow ioc 15 discord.com 17 discord.com 18 discord.com 34 discord.com 12 discord.com 13 discord.com -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 9 api.ipify.org 6 api.ipify.org -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
Processes:
043fbd84e0a00c3fbf71b88a3e2739bc_JaffaCakes118.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\wallpaper.png" 043fbd84e0a00c3fbf71b88a3e2739bc_JaffaCakes118.exe -
Program crash 2 IoCs
Processes:
WerFault.exeWerFault.exepid pid_target process target process 4756 2588 WerFault.exe 043fbd84e0a00c3fbf71b88a3e2739bc_JaffaCakes118.exe 2156 2588 WerFault.exe 043fbd84e0a00c3fbf71b88a3e2739bc_JaffaCakes118.exe -
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.
Processes:
WMIC.exe043fbd84e0a00c3fbf71b88a3e2739bc_JaffaCakes118.execmd.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WMIC.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 043fbd84e0a00c3fbf71b88a3e2739bc_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
043fbd84e0a00c3fbf71b88a3e2739bc_JaffaCakes118.exepid process 2588 043fbd84e0a00c3fbf71b88a3e2739bc_JaffaCakes118.exe 2588 043fbd84e0a00c3fbf71b88a3e2739bc_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 43 IoCs
Processes:
043fbd84e0a00c3fbf71b88a3e2739bc_JaffaCakes118.exeWMIC.exedescription pid process Token: SeDebugPrivilege 2588 043fbd84e0a00c3fbf71b88a3e2739bc_JaffaCakes118.exe Token: SeIncreaseQuotaPrivilege 4424 WMIC.exe Token: SeSecurityPrivilege 4424 WMIC.exe Token: SeTakeOwnershipPrivilege 4424 WMIC.exe Token: SeLoadDriverPrivilege 4424 WMIC.exe Token: SeSystemProfilePrivilege 4424 WMIC.exe Token: SeSystemtimePrivilege 4424 WMIC.exe Token: SeProfSingleProcessPrivilege 4424 WMIC.exe Token: SeIncBasePriorityPrivilege 4424 WMIC.exe Token: SeCreatePagefilePrivilege 4424 WMIC.exe Token: SeBackupPrivilege 4424 WMIC.exe Token: SeRestorePrivilege 4424 WMIC.exe Token: SeShutdownPrivilege 4424 WMIC.exe Token: SeDebugPrivilege 4424 WMIC.exe Token: SeSystemEnvironmentPrivilege 4424 WMIC.exe Token: SeRemoteShutdownPrivilege 4424 WMIC.exe Token: SeUndockPrivilege 4424 WMIC.exe Token: SeManageVolumePrivilege 4424 WMIC.exe Token: 33 4424 WMIC.exe Token: 34 4424 WMIC.exe Token: 35 4424 WMIC.exe Token: 36 4424 WMIC.exe Token: SeIncreaseQuotaPrivilege 4424 WMIC.exe Token: SeSecurityPrivilege 4424 WMIC.exe Token: SeTakeOwnershipPrivilege 4424 WMIC.exe Token: SeLoadDriverPrivilege 4424 WMIC.exe Token: SeSystemProfilePrivilege 4424 WMIC.exe Token: SeSystemtimePrivilege 4424 WMIC.exe Token: SeProfSingleProcessPrivilege 4424 WMIC.exe Token: SeIncBasePriorityPrivilege 4424 WMIC.exe Token: SeCreatePagefilePrivilege 4424 WMIC.exe Token: SeBackupPrivilege 4424 WMIC.exe Token: SeRestorePrivilege 4424 WMIC.exe Token: SeShutdownPrivilege 4424 WMIC.exe Token: SeDebugPrivilege 4424 WMIC.exe Token: SeSystemEnvironmentPrivilege 4424 WMIC.exe Token: SeRemoteShutdownPrivilege 4424 WMIC.exe Token: SeUndockPrivilege 4424 WMIC.exe Token: SeManageVolumePrivilege 4424 WMIC.exe Token: 33 4424 WMIC.exe Token: 34 4424 WMIC.exe Token: 35 4424 WMIC.exe Token: 36 4424 WMIC.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
043fbd84e0a00c3fbf71b88a3e2739bc_JaffaCakes118.execmd.exedescription pid process target process PID 2588 wrote to memory of 3520 2588 043fbd84e0a00c3fbf71b88a3e2739bc_JaffaCakes118.exe cmd.exe PID 2588 wrote to memory of 3520 2588 043fbd84e0a00c3fbf71b88a3e2739bc_JaffaCakes118.exe cmd.exe PID 2588 wrote to memory of 3520 2588 043fbd84e0a00c3fbf71b88a3e2739bc_JaffaCakes118.exe cmd.exe PID 3520 wrote to memory of 4424 3520 cmd.exe WMIC.exe PID 3520 wrote to memory of 4424 3520 cmd.exe WMIC.exe PID 3520 wrote to memory of 4424 3520 cmd.exe WMIC.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\043fbd84e0a00c3fbf71b88a3e2739bc_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\043fbd84e0a00c3fbf71b88a3e2739bc_JaffaCakes118.exe"1⤵
- Adds Run key to start application
- Drops desktop.ini file(s)
- Sets desktop wallpaper using registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2588 -
C:\Windows\SysWOW64\cmd.exe"cmd.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3520 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic csproduct get uuid3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4424
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2588 -s 15842⤵
- Program crash
PID:4756
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2588 -s 20602⤵
- Program crash
PID:2156
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 2588 -ip 25881⤵PID:1152
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2588 -ip 25881⤵PID:4584