Analysis
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max time kernel
149s -
max time network
124s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
03-10-2024 18:42
Static task
static1
Behavioral task
behavioral1
Sample
101b558457868065952e67ed8db39e07_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
101b558457868065952e67ed8db39e07_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
101b558457868065952e67ed8db39e07_JaffaCakes118.exe
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Size
199KB
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MD5
101b558457868065952e67ed8db39e07
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SHA1
dd1e73f1d4539abf7f70c6cae16d8466093cf99b
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SHA256
b6e7072f1cafe3fc7ddc0e2dbb1e40b997b3824d606572ead26c33fefb20f153
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SHA512
9e09d15a18c6d7ef8e4fbd754da3830ca6fa4f6ece1ed28594fa63622ad0fb66f80a2c45ad9f777a9d8b1680cf7a8c1266a3bf3963fd1f6a725b046c4140287f
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SSDEEP
3072:FJsyAT6sLPy3bY3ylNpFCJKZMlrREFwazl1V/ILnElcbTytIFuqlyyCfPH6Zxs/5:gyAT/D2Y3y/uSMxR4pbEA2ixpIf
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 (81) 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:
101b558457868065952e67ed8db39e07_JaffaCakes118.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NR = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\101b558457868065952e67ed8db39e07_JaffaCakes118.exe\"" 101b558457868065952e67ed8db39e07_JaffaCakes118.exe -
Drops desktop.ini file(s) 5 IoCs
Processes:
101b558457868065952e67ed8db39e07_JaffaCakes118.exedescription ioc process File opened for modification C:\Users\Admin\Desktop\desktop.ini 101b558457868065952e67ed8db39e07_JaffaCakes118.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini 101b558457868065952e67ed8db39e07_JaffaCakes118.exe File opened for modification C:\Users\Admin\Pictures\Camera Roll\desktop.ini 101b558457868065952e67ed8db39e07_JaffaCakes118.exe File opened for modification C:\Users\Admin\Pictures\Saved Pictures\desktop.ini 101b558457868065952e67ed8db39e07_JaffaCakes118.exe File opened for modification C:\Users\Admin\Documents\desktop.ini 101b558457868065952e67ed8db39e07_JaffaCakes118.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 6 IoCs
Processes:
flow ioc 20 discord.com 21 discord.com 22 discord.com 25 discord.com 26 discord.com 45 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 18 api.ipify.org 19 api.ipify.org -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
Processes:
101b558457868065952e67ed8db39e07_JaffaCakes118.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\wallpaper.png" 101b558457868065952e67ed8db39e07_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:
101b558457868065952e67ed8db39e07_JaffaCakes118.execmd.exeWMIC.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 101b558457868065952e67ed8db39e07_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
Processes:
101b558457868065952e67ed8db39e07_JaffaCakes118.exepid process 4680 101b558457868065952e67ed8db39e07_JaffaCakes118.exe 4680 101b558457868065952e67ed8db39e07_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 43 IoCs
Processes:
101b558457868065952e67ed8db39e07_JaffaCakes118.exeWMIC.exedescription pid process Token: SeDebugPrivilege 4680 101b558457868065952e67ed8db39e07_JaffaCakes118.exe Token: SeIncreaseQuotaPrivilege 2056 WMIC.exe Token: SeSecurityPrivilege 2056 WMIC.exe Token: SeTakeOwnershipPrivilege 2056 WMIC.exe Token: SeLoadDriverPrivilege 2056 WMIC.exe Token: SeSystemProfilePrivilege 2056 WMIC.exe Token: SeSystemtimePrivilege 2056 WMIC.exe Token: SeProfSingleProcessPrivilege 2056 WMIC.exe Token: SeIncBasePriorityPrivilege 2056 WMIC.exe Token: SeCreatePagefilePrivilege 2056 WMIC.exe Token: SeBackupPrivilege 2056 WMIC.exe Token: SeRestorePrivilege 2056 WMIC.exe Token: SeShutdownPrivilege 2056 WMIC.exe Token: SeDebugPrivilege 2056 WMIC.exe Token: SeSystemEnvironmentPrivilege 2056 WMIC.exe Token: SeRemoteShutdownPrivilege 2056 WMIC.exe Token: SeUndockPrivilege 2056 WMIC.exe Token: SeManageVolumePrivilege 2056 WMIC.exe Token: 33 2056 WMIC.exe Token: 34 2056 WMIC.exe Token: 35 2056 WMIC.exe Token: 36 2056 WMIC.exe Token: SeIncreaseQuotaPrivilege 2056 WMIC.exe Token: SeSecurityPrivilege 2056 WMIC.exe Token: SeTakeOwnershipPrivilege 2056 WMIC.exe Token: SeLoadDriverPrivilege 2056 WMIC.exe Token: SeSystemProfilePrivilege 2056 WMIC.exe Token: SeSystemtimePrivilege 2056 WMIC.exe Token: SeProfSingleProcessPrivilege 2056 WMIC.exe Token: SeIncBasePriorityPrivilege 2056 WMIC.exe Token: SeCreatePagefilePrivilege 2056 WMIC.exe Token: SeBackupPrivilege 2056 WMIC.exe Token: SeRestorePrivilege 2056 WMIC.exe Token: SeShutdownPrivilege 2056 WMIC.exe Token: SeDebugPrivilege 2056 WMIC.exe Token: SeSystemEnvironmentPrivilege 2056 WMIC.exe Token: SeRemoteShutdownPrivilege 2056 WMIC.exe Token: SeUndockPrivilege 2056 WMIC.exe Token: SeManageVolumePrivilege 2056 WMIC.exe Token: 33 2056 WMIC.exe Token: 34 2056 WMIC.exe Token: 35 2056 WMIC.exe Token: 36 2056 WMIC.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
101b558457868065952e67ed8db39e07_JaffaCakes118.execmd.exedescription pid process target process PID 4680 wrote to memory of 3448 4680 101b558457868065952e67ed8db39e07_JaffaCakes118.exe cmd.exe PID 4680 wrote to memory of 3448 4680 101b558457868065952e67ed8db39e07_JaffaCakes118.exe cmd.exe PID 4680 wrote to memory of 3448 4680 101b558457868065952e67ed8db39e07_JaffaCakes118.exe cmd.exe PID 3448 wrote to memory of 2056 3448 cmd.exe WMIC.exe PID 3448 wrote to memory of 2056 3448 cmd.exe WMIC.exe PID 3448 wrote to memory of 2056 3448 cmd.exe WMIC.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\101b558457868065952e67ed8db39e07_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\101b558457868065952e67ed8db39e07_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:4680 -
C:\Windows\SysWOW64\cmd.exe"cmd.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3448 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic csproduct get uuid3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2056
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