Analysis
- max time kernel
143s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system - submitted
25/09/2022, 04:33
Static task
static1
Behavioral task
behavioral1
Sample
HEUR-Trojan-Ransom.Win32.Generic-7e3fb87027b84b39e369efde5f180e6d0bcfda15489b4387a6e0737943556de6.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
HEUR-Trojan-Ransom.Win32.Generic-7e3fb87027b84b39e369efde5f180e6d0bcfda15489b4387a6e0737943556de6.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target HEUR-Trojan-Ransom.Win32.Generic-7e3fb87027b84b39e369efde5f180e6d0bcfda15489b4387a6e0737943556de6.exe
- Size 326KB
- Sample220925-e6hnradcd4
- SHA256 7e3fb87027b84b39e369efde5f180e6d0bcfda15489b4387a6e0737943556de6
- MD5 69324ffa4e40aa8c63fd9b27848aa371
- SHA1 f608c5838f173558d7851e1517cf4ab722b13e26
- SHA512 d51b8da50273967bcc91e19ac21db0adc2d4870a10a60ed2f621cd7ddb9d2152424e7be95aacac743f75c607b9d445ea8f1172c9ab2b4b7af477f4f7c178b4db
- SSDEEP 6144:WM9uJiJ1mEjuSW3C2oCmhqoeBsGciYOf+ZLswYjUtMTO:WMSiS9SW35dmhqoeBsGJGKlO
- 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 4 IoCs
Ransomware generally changes the extension on encrypted files.
description ioc Process File created C:\Users\Admin\Pictures\GroupShow.raw.givemenitro HEUR-Trojan-Ransom.Win32.Generic-7e3fb87027b84b39e369efde5f180e6d0bcfda15489b4387a6e0737943556de6.exe File created C:\Users\Admin\Pictures\JoinFind.tiff.givemenitro HEUR-Trojan-Ransom.Win32.Generic-7e3fb87027b84b39e369efde5f180e6d0bcfda15489b4387a6e0737943556de6.exe File opened for modification C:\Users\Admin\Pictures\JoinFind.tiff HEUR-Trojan-Ransom.Win32.Generic-7e3fb87027b84b39e369efde5f180e6d0bcfda15489b4387a6e0737943556de6.exe File created C:\Users\Admin\Pictures\SetMove.raw.givemenitro HEUR-Trojan-Ransom.Win32.Generic-7e3fb87027b84b39e369efde5f180e6d0bcfda15489b4387a6e0737943556de6.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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NR = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\HEUR-Trojan-Ransom.Win32.Generic-7e3fb87027b84b39e369efde5f180e6d0bcfda15489b4387a6e0737943556de6.exe\"" HEUR-Trojan-Ransom.Win32.Generic-7e3fb87027b84b39e369efde5f180e6d0bcfda15489b4387a6e0737943556de6.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-7e3fb87027b84b39e369efde5f180e6d0bcfda15489b4387a6e0737943556de6.exe File opened for modification C:\Users\Admin\Documents\desktop.ini HEUR-Trojan-Ransom.Win32.Generic-7e3fb87027b84b39e369efde5f180e6d0bcfda15489b4387a6e0737943556de6.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini HEUR-Trojan-Ransom.Win32.Generic-7e3fb87027b84b39e369efde5f180e6d0bcfda15489b4387a6e0737943556de6.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini HEUR-Trojan-Ransom.Win32.Generic-7e3fb87027b84b39e369efde5f180e6d0bcfda15489b4387a6e0737943556de6.exe File opened for modification C:\Users\Admin\Pictures\Camera Roll\desktop.ini HEUR-Trojan-Ransom.Win32.Generic-7e3fb87027b84b39e369efde5f180e6d0bcfda15489b4387a6e0737943556de6.exe - 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 14 api.ipify.org 15 api.ipify.org - Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\wallpaper.png" HEUR-Trojan-Ransom.Win32.Generic-7e3fb87027b84b39e369efde5f180e6d0bcfda15489b4387a6e0737943556de6.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4516 HEUR-Trojan-Ransom.Win32.Generic-7e3fb87027b84b39e369efde5f180e6d0bcfda15489b4387a6e0737943556de6.exe 4516 HEUR-Trojan-Ransom.Win32.Generic-7e3fb87027b84b39e369efde5f180e6d0bcfda15489b4387a6e0737943556de6.exe - Suspicious use of AdjustPrivilegeToken 43 IoCs
description pid Process Token: SeDebugPrivilege 4516 HEUR-Trojan-Ransom.Win32.Generic-7e3fb87027b84b39e369efde5f180e6d0bcfda15489b4387a6e0737943556de6.exe Token: SeIncreaseQuotaPrivilege 1344 WMIC.exe Token: SeSecurityPrivilege 1344 WMIC.exe Token: SeTakeOwnershipPrivilege 1344 WMIC.exe Token: SeLoadDriverPrivilege 1344 WMIC.exe Token: SeSystemProfilePrivilege 1344 WMIC.exe Token: SeSystemtimePrivilege 1344 WMIC.exe Token: SeProfSingleProcessPrivilege 1344 WMIC.exe Token: SeIncBasePriorityPrivilege 1344 WMIC.exe Token: SeCreatePagefilePrivilege 1344 WMIC.exe Token: SeBackupPrivilege 1344 WMIC.exe Token: SeRestorePrivilege 1344 WMIC.exe Token: SeShutdownPrivilege 1344 WMIC.exe Token: SeDebugPrivilege 1344 WMIC.exe Token: SeSystemEnvironmentPrivilege 1344 WMIC.exe Token: SeRemoteShutdownPrivilege 1344 WMIC.exe Token: SeUndockPrivilege 1344 WMIC.exe Token: SeManageVolumePrivilege 1344 WMIC.exe Token: 33 1344 WMIC.exe Token: 34 1344 WMIC.exe Token: 35 1344 WMIC.exe Token: 36 1344 WMIC.exe Token: SeIncreaseQuotaPrivilege 1344 WMIC.exe Token: SeSecurityPrivilege 1344 WMIC.exe Token: SeTakeOwnershipPrivilege 1344 WMIC.exe Token: SeLoadDriverPrivilege 1344 WMIC.exe Token: SeSystemProfilePrivilege 1344 WMIC.exe Token: SeSystemtimePrivilege 1344 WMIC.exe Token: SeProfSingleProcessPrivilege 1344 WMIC.exe Token: SeIncBasePriorityPrivilege 1344 WMIC.exe Token: SeCreatePagefilePrivilege 1344 WMIC.exe Token: SeBackupPrivilege 1344 WMIC.exe Token: SeRestorePrivilege 1344 WMIC.exe Token: SeShutdownPrivilege 1344 WMIC.exe Token: SeDebugPrivilege 1344 WMIC.exe Token: SeSystemEnvironmentPrivilege 1344 WMIC.exe Token: SeRemoteShutdownPrivilege 1344 WMIC.exe Token: SeUndockPrivilege 1344 WMIC.exe Token: SeManageVolumePrivilege 1344 WMIC.exe Token: 33 1344 WMIC.exe Token: 34 1344 WMIC.exe Token: 35 1344 WMIC.exe Token: 36 1344 WMIC.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4516 wrote to memory of 3496 4516 HEUR-Trojan-Ransom.Win32.Generic-7e3fb87027b84b39e369efde5f180e6d0bcfda15489b4387a6e0737943556de6.exe 84 PID 4516 wrote to memory of 3496 4516 HEUR-Trojan-Ransom.Win32.Generic-7e3fb87027b84b39e369efde5f180e6d0bcfda15489b4387a6e0737943556de6.exe 84 PID 4516 wrote to memory of 3496 4516 HEUR-Trojan-Ransom.Win32.Generic-7e3fb87027b84b39e369efde5f180e6d0bcfda15489b4387a6e0737943556de6.exe 84 PID 3496 wrote to memory of 1344 3496 cmd.exe 86 PID 3496 wrote to memory of 1344 3496 cmd.exe 86 PID 3496 wrote to memory of 1344 3496 cmd.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\HEUR-Trojan-Ransom.Win32.Generic-7e3fb87027b84b39e369efde5f180e6d0bcfda15489b4387a6e0737943556de6.exe"C:\Users\Admin\AppData\Local\Temp\HEUR-Trojan-Ransom.Win32.Generic-7e3fb87027b84b39e369efde5f180e6d0bcfda15489b4387a6e0737943556de6.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:4516 -
C:\Windows\SysWOW64\cmd.exe"cmd.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3496 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic csproduct get uuid3⤵
- Suspicious use of AdjustPrivilegeToken
PID:1344
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