Analysis
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max time kernel
150s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
24-10-2024 13:04
Static task
static1
Behavioral task
behavioral1
Sample
73de3eeba18475c6860e39061b0174e6_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
73de3eeba18475c6860e39061b0174e6_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
73de3eeba18475c6860e39061b0174e6_JaffaCakes118.exe
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Size
62KB
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MD5
73de3eeba18475c6860e39061b0174e6
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SHA1
10a3823601b1a18edc62a5bbc83cd7c581f1da59
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SHA256
570cc4b6530b319dfc71201010b2775acb89c94e7d42acdbc53f635f2ca4ee4a
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SHA512
7f8974d9f71c8b01caa75df6c4dfdb363514d54815d6acd8834a0dd1bc2689bc031adf1b9cbd86554a926bb5d594c0be4fd96e1d8033d97ac5e9bcfe1575a54f
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SSDEEP
768:bKsMqCXfVcWl3M9Zk4ANIUI2+QLDwUzc80gmq3oP/oDA:bKsexM9Zk4APxDr/0O8/oU
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 (84) 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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NR = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\73de3eeba18475c6860e39061b0174e6_JaffaCakes118.exe\"" 73de3eeba18475c6860e39061b0174e6_JaffaCakes118.exe -
Drops desktop.ini file(s) 5 IoCs
description ioc Process File opened for modification C:\Users\Admin\Pictures\Saved Pictures\desktop.ini 73de3eeba18475c6860e39061b0174e6_JaffaCakes118.exe File opened for modification C:\Users\Admin\Documents\desktop.ini 73de3eeba18475c6860e39061b0174e6_JaffaCakes118.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini 73de3eeba18475c6860e39061b0174e6_JaffaCakes118.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini 73de3eeba18475c6860e39061b0174e6_JaffaCakes118.exe File opened for modification C:\Users\Admin\Pictures\Camera Roll\desktop.ini 73de3eeba18475c6860e39061b0174e6_JaffaCakes118.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 6 IoCs
flow ioc 17 discord.com 20 discord.com 24 discord.com 37 discord.com 10 discord.com 11 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 7 api.ipify.org 6 api.ipify.org -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\wallpaper.png" 73de3eeba18475c6860e39061b0174e6_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 73de3eeba18475c6860e39061b0174e6_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 4732 73de3eeba18475c6860e39061b0174e6_JaffaCakes118.exe 4732 73de3eeba18475c6860e39061b0174e6_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 43 IoCs
description pid Process Token: SeDebugPrivilege 4732 73de3eeba18475c6860e39061b0174e6_JaffaCakes118.exe Token: SeIncreaseQuotaPrivilege 1608 WMIC.exe Token: SeSecurityPrivilege 1608 WMIC.exe Token: SeTakeOwnershipPrivilege 1608 WMIC.exe Token: SeLoadDriverPrivilege 1608 WMIC.exe Token: SeSystemProfilePrivilege 1608 WMIC.exe Token: SeSystemtimePrivilege 1608 WMIC.exe Token: SeProfSingleProcessPrivilege 1608 WMIC.exe Token: SeIncBasePriorityPrivilege 1608 WMIC.exe Token: SeCreatePagefilePrivilege 1608 WMIC.exe Token: SeBackupPrivilege 1608 WMIC.exe Token: SeRestorePrivilege 1608 WMIC.exe Token: SeShutdownPrivilege 1608 WMIC.exe Token: SeDebugPrivilege 1608 WMIC.exe Token: SeSystemEnvironmentPrivilege 1608 WMIC.exe Token: SeRemoteShutdownPrivilege 1608 WMIC.exe Token: SeUndockPrivilege 1608 WMIC.exe Token: SeManageVolumePrivilege 1608 WMIC.exe Token: 33 1608 WMIC.exe Token: 34 1608 WMIC.exe Token: 35 1608 WMIC.exe Token: 36 1608 WMIC.exe Token: SeIncreaseQuotaPrivilege 1608 WMIC.exe Token: SeSecurityPrivilege 1608 WMIC.exe Token: SeTakeOwnershipPrivilege 1608 WMIC.exe Token: SeLoadDriverPrivilege 1608 WMIC.exe Token: SeSystemProfilePrivilege 1608 WMIC.exe Token: SeSystemtimePrivilege 1608 WMIC.exe Token: SeProfSingleProcessPrivilege 1608 WMIC.exe Token: SeIncBasePriorityPrivilege 1608 WMIC.exe Token: SeCreatePagefilePrivilege 1608 WMIC.exe Token: SeBackupPrivilege 1608 WMIC.exe Token: SeRestorePrivilege 1608 WMIC.exe Token: SeShutdownPrivilege 1608 WMIC.exe Token: SeDebugPrivilege 1608 WMIC.exe Token: SeSystemEnvironmentPrivilege 1608 WMIC.exe Token: SeRemoteShutdownPrivilege 1608 WMIC.exe Token: SeUndockPrivilege 1608 WMIC.exe Token: SeManageVolumePrivilege 1608 WMIC.exe Token: 33 1608 WMIC.exe Token: 34 1608 WMIC.exe Token: 35 1608 WMIC.exe Token: 36 1608 WMIC.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4732 wrote to memory of 4596 4732 73de3eeba18475c6860e39061b0174e6_JaffaCakes118.exe 84 PID 4732 wrote to memory of 4596 4732 73de3eeba18475c6860e39061b0174e6_JaffaCakes118.exe 84 PID 4732 wrote to memory of 4596 4732 73de3eeba18475c6860e39061b0174e6_JaffaCakes118.exe 84 PID 4596 wrote to memory of 1608 4596 cmd.exe 86 PID 4596 wrote to memory of 1608 4596 cmd.exe 86 PID 4596 wrote to memory of 1608 4596 cmd.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\73de3eeba18475c6860e39061b0174e6_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\73de3eeba18475c6860e39061b0174e6_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:4732 -
C:\Windows\SysWOW64\cmd.exe"cmd.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4596 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic csproduct get uuid3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1608
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