Analysis
- max time kernel
91s - max time network
159s - 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, 04:32
Static task
static1
Behavioral task
behavioral1
Sample
HEUR-Trojan-Ransom.Win32.Generic-4fba7e65f6562871a003aca98b980a3deaade6e7cc8b407342de198ad3b93beb.exe
Resource
win7-20220812-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
HEUR-Trojan-Ransom.Win32.Generic-4fba7e65f6562871a003aca98b980a3deaade6e7cc8b407342de198ad3b93beb.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
11 signatures
150 seconds
General
- Target HEUR-Trojan-Ransom.Win32.Generic-4fba7e65f6562871a003aca98b980a3deaade6e7cc8b407342de198ad3b93beb.exe
- Size 61KB
- Sample220925-e51g6seefj
- SHA256 4fba7e65f6562871a003aca98b980a3deaade6e7cc8b407342de198ad3b93beb
- MD5 23bd2aa57039583c65059e514411fa80
- SHA1 0bb33600af58b331d1265c991d0153ba17a1537c
- SHA512 b622eb4de35ef50b7736ca5beeebb74fd29dc04c860946fa6102c6b8213f34c3ac65c7e0cda051f5dc0848e441b6616e42e174a19a1e499d8e27f0ed11bd3ec9
- SSDEEP 768:EKsMqCXfVcWlzM9ZkiANIUqRMYLDwUzc80gmq3oP/oDO:EKse1M9ZkiAPYr/0O8/oK
- 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 8 IoCs
Ransomware generally changes the extension on encrypted files.
description ioc Process File created C:\Users\Admin\Pictures\EnableUnlock.raw.givemenitro HEUR-Trojan-Ransom.Win32.Generic-4fba7e65f6562871a003aca98b980a3deaade6e7cc8b407342de198ad3b93beb.exe File created C:\Users\Admin\Pictures\PingWatch.png.givemenitro HEUR-Trojan-Ransom.Win32.Generic-4fba7e65f6562871a003aca98b980a3deaade6e7cc8b407342de198ad3b93beb.exe File created C:\Users\Admin\Pictures\ReadComplete.tif.givemenitro HEUR-Trojan-Ransom.Win32.Generic-4fba7e65f6562871a003aca98b980a3deaade6e7cc8b407342de198ad3b93beb.exe File created C:\Users\Admin\Pictures\ResizeFormat.crw.givemenitro HEUR-Trojan-Ransom.Win32.Generic-4fba7e65f6562871a003aca98b980a3deaade6e7cc8b407342de198ad3b93beb.exe File created C:\Users\Admin\Pictures\SwitchResolve.png.givemenitro HEUR-Trojan-Ransom.Win32.Generic-4fba7e65f6562871a003aca98b980a3deaade6e7cc8b407342de198ad3b93beb.exe File created C:\Users\Admin\Pictures\UnlockOptimize.tif.givemenitro HEUR-Trojan-Ransom.Win32.Generic-4fba7e65f6562871a003aca98b980a3deaade6e7cc8b407342de198ad3b93beb.exe File created C:\Users\Admin\Pictures\CloseEnable.tiff.givemenitro HEUR-Trojan-Ransom.Win32.Generic-4fba7e65f6562871a003aca98b980a3deaade6e7cc8b407342de198ad3b93beb.exe File opened for modification C:\Users\Admin\Pictures\CloseEnable.tiff HEUR-Trojan-Ransom.Win32.Generic-4fba7e65f6562871a003aca98b980a3deaade6e7cc8b407342de198ad3b93beb.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-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NR = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\HEUR-Trojan-Ransom.Win32.Generic-4fba7e65f6562871a003aca98b980a3deaade6e7cc8b407342de198ad3b93beb.exe\"" HEUR-Trojan-Ransom.Win32.Generic-4fba7e65f6562871a003aca98b980a3deaade6e7cc8b407342de198ad3b93beb.exe - Drops desktop.ini file(s) 5 IoCs
description ioc Process File opened for modification C:\Users\Admin\Pictures\Saved Pictures\desktop.ini HEUR-Trojan-Ransom.Win32.Generic-4fba7e65f6562871a003aca98b980a3deaade6e7cc8b407342de198ad3b93beb.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini HEUR-Trojan-Ransom.Win32.Generic-4fba7e65f6562871a003aca98b980a3deaade6e7cc8b407342de198ad3b93beb.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini HEUR-Trojan-Ransom.Win32.Generic-4fba7e65f6562871a003aca98b980a3deaade6e7cc8b407342de198ad3b93beb.exe File opened for modification C:\Users\Admin\Documents\desktop.ini HEUR-Trojan-Ransom.Win32.Generic-4fba7e65f6562871a003aca98b980a3deaade6e7cc8b407342de198ad3b93beb.exe File opened for modification C:\Users\Admin\Pictures\Camera Roll\desktop.ini HEUR-Trojan-Ransom.Win32.Generic-4fba7e65f6562871a003aca98b980a3deaade6e7cc8b407342de198ad3b93beb.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 9 api.ipify.org 11 api.ipify.org - Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\wallpaper.png" HEUR-Trojan-Ransom.Win32.Generic-4fba7e65f6562871a003aca98b980a3deaade6e7cc8b407342de198ad3b93beb.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2688 HEUR-Trojan-Ransom.Win32.Generic-4fba7e65f6562871a003aca98b980a3deaade6e7cc8b407342de198ad3b93beb.exe 2688 HEUR-Trojan-Ransom.Win32.Generic-4fba7e65f6562871a003aca98b980a3deaade6e7cc8b407342de198ad3b93beb.exe - Suspicious use of AdjustPrivilegeToken 43 IoCs
description pid Process Token: SeDebugPrivilege 2688 HEUR-Trojan-Ransom.Win32.Generic-4fba7e65f6562871a003aca98b980a3deaade6e7cc8b407342de198ad3b93beb.exe Token: SeIncreaseQuotaPrivilege 1696 WMIC.exe Token: SeSecurityPrivilege 1696 WMIC.exe Token: SeTakeOwnershipPrivilege 1696 WMIC.exe Token: SeLoadDriverPrivilege 1696 WMIC.exe Token: SeSystemProfilePrivilege 1696 WMIC.exe Token: SeSystemtimePrivilege 1696 WMIC.exe Token: SeProfSingleProcessPrivilege 1696 WMIC.exe Token: SeIncBasePriorityPrivilege 1696 WMIC.exe Token: SeCreatePagefilePrivilege 1696 WMIC.exe Token: SeBackupPrivilege 1696 WMIC.exe Token: SeRestorePrivilege 1696 WMIC.exe Token: SeShutdownPrivilege 1696 WMIC.exe Token: SeDebugPrivilege 1696 WMIC.exe Token: SeSystemEnvironmentPrivilege 1696 WMIC.exe Token: SeRemoteShutdownPrivilege 1696 WMIC.exe Token: SeUndockPrivilege 1696 WMIC.exe Token: SeManageVolumePrivilege 1696 WMIC.exe Token: 33 1696 WMIC.exe Token: 34 1696 WMIC.exe Token: 35 1696 WMIC.exe Token: 36 1696 WMIC.exe Token: SeIncreaseQuotaPrivilege 1696 WMIC.exe Token: SeSecurityPrivilege 1696 WMIC.exe Token: SeTakeOwnershipPrivilege 1696 WMIC.exe Token: SeLoadDriverPrivilege 1696 WMIC.exe Token: SeSystemProfilePrivilege 1696 WMIC.exe Token: SeSystemtimePrivilege 1696 WMIC.exe Token: SeProfSingleProcessPrivilege 1696 WMIC.exe Token: SeIncBasePriorityPrivilege 1696 WMIC.exe Token: SeCreatePagefilePrivilege 1696 WMIC.exe Token: SeBackupPrivilege 1696 WMIC.exe Token: SeRestorePrivilege 1696 WMIC.exe Token: SeShutdownPrivilege 1696 WMIC.exe Token: SeDebugPrivilege 1696 WMIC.exe Token: SeSystemEnvironmentPrivilege 1696 WMIC.exe Token: SeRemoteShutdownPrivilege 1696 WMIC.exe Token: SeUndockPrivilege 1696 WMIC.exe Token: SeManageVolumePrivilege 1696 WMIC.exe Token: 33 1696 WMIC.exe Token: 34 1696 WMIC.exe Token: 35 1696 WMIC.exe Token: 36 1696 WMIC.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2688 wrote to memory of 4892 2688 HEUR-Trojan-Ransom.Win32.Generic-4fba7e65f6562871a003aca98b980a3deaade6e7cc8b407342de198ad3b93beb.exe 80 PID 2688 wrote to memory of 4892 2688 HEUR-Trojan-Ransom.Win32.Generic-4fba7e65f6562871a003aca98b980a3deaade6e7cc8b407342de198ad3b93beb.exe 80 PID 2688 wrote to memory of 4892 2688 HEUR-Trojan-Ransom.Win32.Generic-4fba7e65f6562871a003aca98b980a3deaade6e7cc8b407342de198ad3b93beb.exe 80 PID 4892 wrote to memory of 1696 4892 cmd.exe 82 PID 4892 wrote to memory of 1696 4892 cmd.exe 82 PID 4892 wrote to memory of 1696 4892 cmd.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\HEUR-Trojan-Ransom.Win32.Generic-4fba7e65f6562871a003aca98b980a3deaade6e7cc8b407342de198ad3b93beb.exe"C:\Users\Admin\AppData\Local\Temp\HEUR-Trojan-Ransom.Win32.Generic-4fba7e65f6562871a003aca98b980a3deaade6e7cc8b407342de198ad3b93beb.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:2688 -
C:\Windows\SysWOW64\cmd.exe"cmd.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:4892 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic csproduct get uuid3⤵
- Suspicious use of AdjustPrivilegeToken
PID:1696
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