Analysis
- max time kernel
99s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
25/09/2022, 04:33
Static task
static1
Behavioral task
behavioral1
Sample
HEUR-Trojan-Ransom.Win32.Generic-5de3ebedb1db4ff64a70a247d29d2826dfa71eca355a66a21e83011a103e523a.exe
Resource
win7-20220812-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
HEUR-Trojan-Ransom.Win32.Generic-5de3ebedb1db4ff64a70a247d29d2826dfa71eca355a66a21e83011a103e523a.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
11 signatures
150 seconds
General
- Target HEUR-Trojan-Ransom.Win32.Generic-5de3ebedb1db4ff64a70a247d29d2826dfa71eca355a66a21e83011a103e523a.exe
- Size 61KB
- Sample220925-e6hnradcd2
- SHA256 5de3ebedb1db4ff64a70a247d29d2826dfa71eca355a66a21e83011a103e523a
- MD5 0341a286ceb5a120b6c4d6eb7f3e04f2
- SHA1 7e2773b8bcaaa0be5f9f11337e559b25408edd37
- SHA512 f7551f229a963ba729936cc7b192372e41a807af9e81b906a0eb1a9e0e4a08e2eca779a52582d1c4b3f09edfdb9a827d6e4558c23501b468c9265ef494b6d0c8
- SSDEEP 768:3KsMqCXfVcW1OM9ZQSANIUTdkLDwUzc80gmq3oP/oDW:3Kse0M9ZQSAP6r/0O8/oi
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Nitro
A ransomware that demands Discord nitro gift codes to decrypt files.
- Modifies extensions of user files 13 IoCs
Ransomware generally changes the extension on encrypted files.
description ioc Process File created C:\Users\Admin\Pictures\RemoveUndo.crw.givemenitro HEUR-Trojan-Ransom.Win32.Generic-5de3ebedb1db4ff64a70a247d29d2826dfa71eca355a66a21e83011a103e523a.exe File created C:\Users\Admin\Pictures\TraceComplete.tiff.givemenitro HEUR-Trojan-Ransom.Win32.Generic-5de3ebedb1db4ff64a70a247d29d2826dfa71eca355a66a21e83011a103e523a.exe File opened for modification C:\Users\Admin\Pictures\TraceComplete.tiff HEUR-Trojan-Ransom.Win32.Generic-5de3ebedb1db4ff64a70a247d29d2826dfa71eca355a66a21e83011a103e523a.exe File created C:\Users\Admin\Pictures\UnprotectClose.crw.givemenitro HEUR-Trojan-Ransom.Win32.Generic-5de3ebedb1db4ff64a70a247d29d2826dfa71eca355a66a21e83011a103e523a.exe File created C:\Users\Admin\Pictures\CopySplit.raw.givemenitro HEUR-Trojan-Ransom.Win32.Generic-5de3ebedb1db4ff64a70a247d29d2826dfa71eca355a66a21e83011a103e523a.exe File created C:\Users\Admin\Pictures\ReadExit.tiff.givemenitro HEUR-Trojan-Ransom.Win32.Generic-5de3ebedb1db4ff64a70a247d29d2826dfa71eca355a66a21e83011a103e523a.exe File opened for modification C:\Users\Admin\Pictures\ReadExit.tiff HEUR-Trojan-Ransom.Win32.Generic-5de3ebedb1db4ff64a70a247d29d2826dfa71eca355a66a21e83011a103e523a.exe File created C:\Users\Admin\Pictures\ImportSplit.crw.givemenitro HEUR-Trojan-Ransom.Win32.Generic-5de3ebedb1db4ff64a70a247d29d2826dfa71eca355a66a21e83011a103e523a.exe File created C:\Users\Admin\Pictures\ResizeHide.crw.givemenitro HEUR-Trojan-Ransom.Win32.Generic-5de3ebedb1db4ff64a70a247d29d2826dfa71eca355a66a21e83011a103e523a.exe File created C:\Users\Admin\Pictures\SendBlock.raw.givemenitro HEUR-Trojan-Ransom.Win32.Generic-5de3ebedb1db4ff64a70a247d29d2826dfa71eca355a66a21e83011a103e523a.exe File created C:\Users\Admin\Pictures\ConnectNew.tiff.givemenitro HEUR-Trojan-Ransom.Win32.Generic-5de3ebedb1db4ff64a70a247d29d2826dfa71eca355a66a21e83011a103e523a.exe File opened for modification C:\Users\Admin\Pictures\ConnectNew.tiff HEUR-Trojan-Ransom.Win32.Generic-5de3ebedb1db4ff64a70a247d29d2826dfa71eca355a66a21e83011a103e523a.exe File created C:\Users\Admin\Pictures\FindExpand.tif.givemenitro HEUR-Trojan-Ransom.Win32.Generic-5de3ebedb1db4ff64a70a247d29d2826dfa71eca355a66a21e83011a103e523a.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NR = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\HEUR-Trojan-Ransom.Win32.Generic-5de3ebedb1db4ff64a70a247d29d2826dfa71eca355a66a21e83011a103e523a.exe\"" HEUR-Trojan-Ransom.Win32.Generic-5de3ebedb1db4ff64a70a247d29d2826dfa71eca355a66a21e83011a103e523a.exe - Drops desktop.ini file(s) 5 IoCs
description ioc Process File opened for modification C:\Users\Admin\Pictures\desktop.ini HEUR-Trojan-Ransom.Win32.Generic-5de3ebedb1db4ff64a70a247d29d2826dfa71eca355a66a21e83011a103e523a.exe File opened for modification C:\Users\Admin\Pictures\Camera Roll\desktop.ini HEUR-Trojan-Ransom.Win32.Generic-5de3ebedb1db4ff64a70a247d29d2826dfa71eca355a66a21e83011a103e523a.exe File opened for modification C:\Users\Admin\Pictures\Saved Pictures\desktop.ini HEUR-Trojan-Ransom.Win32.Generic-5de3ebedb1db4ff64a70a247d29d2826dfa71eca355a66a21e83011a103e523a.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini HEUR-Trojan-Ransom.Win32.Generic-5de3ebedb1db4ff64a70a247d29d2826dfa71eca355a66a21e83011a103e523a.exe File opened for modification C:\Users\Admin\Documents\desktop.ini HEUR-Trojan-Ransom.Win32.Generic-5de3ebedb1db4ff64a70a247d29d2826dfa71eca355a66a21e83011a103e523a.exe - Legitimate hosting services abused for malware hosting/C2 1 TTPs
- 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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\wallpaper.png" HEUR-Trojan-Ransom.Win32.Generic-5de3ebedb1db4ff64a70a247d29d2826dfa71eca355a66a21e83011a103e523a.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4104 HEUR-Trojan-Ransom.Win32.Generic-5de3ebedb1db4ff64a70a247d29d2826dfa71eca355a66a21e83011a103e523a.exe 4104 HEUR-Trojan-Ransom.Win32.Generic-5de3ebedb1db4ff64a70a247d29d2826dfa71eca355a66a21e83011a103e523a.exe - Suspicious use of AdjustPrivilegeToken 43 IoCs
description pid Process Token: SeDebugPrivilege 4104 HEUR-Trojan-Ransom.Win32.Generic-5de3ebedb1db4ff64a70a247d29d2826dfa71eca355a66a21e83011a103e523a.exe Token: SeIncreaseQuotaPrivilege 3700 WMIC.exe Token: SeSecurityPrivilege 3700 WMIC.exe Token: SeTakeOwnershipPrivilege 3700 WMIC.exe Token: SeLoadDriverPrivilege 3700 WMIC.exe Token: SeSystemProfilePrivilege 3700 WMIC.exe Token: SeSystemtimePrivilege 3700 WMIC.exe Token: SeProfSingleProcessPrivilege 3700 WMIC.exe Token: SeIncBasePriorityPrivilege 3700 WMIC.exe Token: SeCreatePagefilePrivilege 3700 WMIC.exe Token: SeBackupPrivilege 3700 WMIC.exe Token: SeRestorePrivilege 3700 WMIC.exe Token: SeShutdownPrivilege 3700 WMIC.exe Token: SeDebugPrivilege 3700 WMIC.exe Token: SeSystemEnvironmentPrivilege 3700 WMIC.exe Token: SeRemoteShutdownPrivilege 3700 WMIC.exe Token: SeUndockPrivilege 3700 WMIC.exe Token: SeManageVolumePrivilege 3700 WMIC.exe Token: 33 3700 WMIC.exe Token: 34 3700 WMIC.exe Token: 35 3700 WMIC.exe Token: 36 3700 WMIC.exe Token: SeIncreaseQuotaPrivilege 3700 WMIC.exe Token: SeSecurityPrivilege 3700 WMIC.exe Token: SeTakeOwnershipPrivilege 3700 WMIC.exe Token: SeLoadDriverPrivilege 3700 WMIC.exe Token: SeSystemProfilePrivilege 3700 WMIC.exe Token: SeSystemtimePrivilege 3700 WMIC.exe Token: SeProfSingleProcessPrivilege 3700 WMIC.exe Token: SeIncBasePriorityPrivilege 3700 WMIC.exe Token: SeCreatePagefilePrivilege 3700 WMIC.exe Token: SeBackupPrivilege 3700 WMIC.exe Token: SeRestorePrivilege 3700 WMIC.exe Token: SeShutdownPrivilege 3700 WMIC.exe Token: SeDebugPrivilege 3700 WMIC.exe Token: SeSystemEnvironmentPrivilege 3700 WMIC.exe Token: SeRemoteShutdownPrivilege 3700 WMIC.exe Token: SeUndockPrivilege 3700 WMIC.exe Token: SeManageVolumePrivilege 3700 WMIC.exe Token: 33 3700 WMIC.exe Token: 34 3700 WMIC.exe Token: 35 3700 WMIC.exe Token: 36 3700 WMIC.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4104 wrote to memory of 2320 4104 HEUR-Trojan-Ransom.Win32.Generic-5de3ebedb1db4ff64a70a247d29d2826dfa71eca355a66a21e83011a103e523a.exe 81 PID 4104 wrote to memory of 2320 4104 HEUR-Trojan-Ransom.Win32.Generic-5de3ebedb1db4ff64a70a247d29d2826dfa71eca355a66a21e83011a103e523a.exe 81 PID 4104 wrote to memory of 2320 4104 HEUR-Trojan-Ransom.Win32.Generic-5de3ebedb1db4ff64a70a247d29d2826dfa71eca355a66a21e83011a103e523a.exe 81 PID 2320 wrote to memory of 3700 2320 cmd.exe 83 PID 2320 wrote to memory of 3700 2320 cmd.exe 83 PID 2320 wrote to memory of 3700 2320 cmd.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\HEUR-Trojan-Ransom.Win32.Generic-5de3ebedb1db4ff64a70a247d29d2826dfa71eca355a66a21e83011a103e523a.exe"C:\Users\Admin\AppData\Local\Temp\HEUR-Trojan-Ransom.Win32.Generic-5de3ebedb1db4ff64a70a247d29d2826dfa71eca355a66a21e83011a103e523a.exe"1⤵
- Modifies extensions of user files
- Adds Run key to start application
- Drops desktop.ini file(s)
- Sets desktop wallpaper using registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4104 -
C:\Windows\SysWOW64\cmd.exe"cmd.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2320 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic csproduct get uuid3⤵
- Suspicious use of AdjustPrivilegeToken
PID:3700
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