Analysis
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max time kernel
144s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
08-10-2024 19:01
Static task
static1
Behavioral task
behavioral1
Sample
23e8858a3f412190e31be918bb91c72b_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
23e8858a3f412190e31be918bb91c72b_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
23e8858a3f412190e31be918bb91c72b_JaffaCakes118.exe
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Size
61KB
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MD5
23e8858a3f412190e31be918bb91c72b
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SHA1
355e30d1259d02a805a5a8d00848413321ceadd1
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SHA256
db6ded62d80e29a35b0a3fd6613fea1e65cc3cece41c6e281426d5cf5ff77e51
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SHA512
16af337585d5fb7d4055fdb1feabc3c1707af33e13c99ccc7c0575f153e821eb556a0a10381a4d087d17811e948d88a8a429b06cd53b149a2f288b6b4665cdb6
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SSDEEP
768:9KsMqCXfVcWO/M9ZkiANIU+sYLDwUzc80gmq3oP/oDz:9KseiM9ZkiAPEr/0O8/o/
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 (76) 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
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\NR = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\23e8858a3f412190e31be918bb91c72b_JaffaCakes118.exe\"" 23e8858a3f412190e31be918bb91c72b_JaffaCakes118.exe -
Drops desktop.ini file(s) 3 IoCs
description ioc Process File opened for modification C:\Users\Admin\Pictures\desktop.ini 23e8858a3f412190e31be918bb91c72b_JaffaCakes118.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini 23e8858a3f412190e31be918bb91c72b_JaffaCakes118.exe File opened for modification C:\Users\Admin\Documents\desktop.ini 23e8858a3f412190e31be918bb91c72b_JaffaCakes118.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 6 IoCs
flow ioc 9 discord.com 10 discord.com 11 discord.com 6 discord.com 7 discord.com 8 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.
flow ioc 4 api.ipify.org 5 api.ipify.org -
Sets desktop wallpaper using registry 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\wallpaper.png" 23e8858a3f412190e31be918bb91c72b_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Pictures\\My Wallpaper.jpg" 23e8858a3f412190e31be918bb91c72b_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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 23e8858a3f412190e31be918bb91c72b_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WMIC.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1908 23e8858a3f412190e31be918bb91c72b_JaffaCakes118.exe 1908 23e8858a3f412190e31be918bb91c72b_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 41 IoCs
description pid Process Token: SeDebugPrivilege 1908 23e8858a3f412190e31be918bb91c72b_JaffaCakes118.exe Token: SeIncreaseQuotaPrivilege 1496 WMIC.exe Token: SeSecurityPrivilege 1496 WMIC.exe Token: SeTakeOwnershipPrivilege 1496 WMIC.exe Token: SeLoadDriverPrivilege 1496 WMIC.exe Token: SeSystemProfilePrivilege 1496 WMIC.exe Token: SeSystemtimePrivilege 1496 WMIC.exe Token: SeProfSingleProcessPrivilege 1496 WMIC.exe Token: SeIncBasePriorityPrivilege 1496 WMIC.exe Token: SeCreatePagefilePrivilege 1496 WMIC.exe Token: SeBackupPrivilege 1496 WMIC.exe Token: SeRestorePrivilege 1496 WMIC.exe Token: SeShutdownPrivilege 1496 WMIC.exe Token: SeDebugPrivilege 1496 WMIC.exe Token: SeSystemEnvironmentPrivilege 1496 WMIC.exe Token: SeRemoteShutdownPrivilege 1496 WMIC.exe Token: SeUndockPrivilege 1496 WMIC.exe Token: SeManageVolumePrivilege 1496 WMIC.exe Token: 33 1496 WMIC.exe Token: 34 1496 WMIC.exe Token: 35 1496 WMIC.exe Token: SeIncreaseQuotaPrivilege 1496 WMIC.exe Token: SeSecurityPrivilege 1496 WMIC.exe Token: SeTakeOwnershipPrivilege 1496 WMIC.exe Token: SeLoadDriverPrivilege 1496 WMIC.exe Token: SeSystemProfilePrivilege 1496 WMIC.exe Token: SeSystemtimePrivilege 1496 WMIC.exe Token: SeProfSingleProcessPrivilege 1496 WMIC.exe Token: SeIncBasePriorityPrivilege 1496 WMIC.exe Token: SeCreatePagefilePrivilege 1496 WMIC.exe Token: SeBackupPrivilege 1496 WMIC.exe Token: SeRestorePrivilege 1496 WMIC.exe Token: SeShutdownPrivilege 1496 WMIC.exe Token: SeDebugPrivilege 1496 WMIC.exe Token: SeSystemEnvironmentPrivilege 1496 WMIC.exe Token: SeRemoteShutdownPrivilege 1496 WMIC.exe Token: SeUndockPrivilege 1496 WMIC.exe Token: SeManageVolumePrivilege 1496 WMIC.exe Token: 33 1496 WMIC.exe Token: 34 1496 WMIC.exe Token: 35 1496 WMIC.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1908 wrote to memory of 2996 1908 23e8858a3f412190e31be918bb91c72b_JaffaCakes118.exe 30 PID 1908 wrote to memory of 2996 1908 23e8858a3f412190e31be918bb91c72b_JaffaCakes118.exe 30 PID 1908 wrote to memory of 2996 1908 23e8858a3f412190e31be918bb91c72b_JaffaCakes118.exe 30 PID 1908 wrote to memory of 2996 1908 23e8858a3f412190e31be918bb91c72b_JaffaCakes118.exe 30 PID 2996 wrote to memory of 1496 2996 cmd.exe 32 PID 2996 wrote to memory of 1496 2996 cmd.exe 32 PID 2996 wrote to memory of 1496 2996 cmd.exe 32 PID 2996 wrote to memory of 1496 2996 cmd.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\23e8858a3f412190e31be918bb91c72b_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\23e8858a3f412190e31be918bb91c72b_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:1908 -
C:\Windows\SysWOW64\cmd.exe"cmd.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2996 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic csproduct get uuid3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1496
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