Analysis
- max time kernel
87s - max time network
127s - 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, 04:32
Static task
static1
Behavioral task
behavioral1
Sample
HEUR-Trojan-Ransom.Win32.Generic-43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389.exe
Resource
win7-20220812-en
windows7-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
HEUR-Trojan-Ransom.Win32.Generic-43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target HEUR-Trojan-Ransom.Win32.Generic-43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389.exe
- Size 61KB
- Sample220925-e51g6seeer
- SHA256 43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389
- MD5 e680f507b13f1d68df733221e18169cf
- SHA1 024d22d9a084ac576239590ac4b9c61ea9fc259a
- SHA512 2e9017dc5c3537123c443922b25881d328630822744b1111da8655b4c03bf670c2657822e718f65fd8bd62eded931f55cf0ac5ddefe9644d2f6dbee41519477d
- SSDEEP 768:kKsMqCXfVcWlQM9ZkiANIUL1YLDwUzc80gmq3oP/oDL:kKseSM9ZkiAPOr/0O8/oP
- 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 14 IoCs
Ransomware generally changes the extension on encrypted files.
description ioc Process File created C:\Users\Admin\Pictures\ExportSearch.png.givemenitro HEUR-Trojan-Ransom.Win32.Generic-43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389.exe File opened for modification C:\Users\Admin\Pictures\SendConvertFrom.tiff HEUR-Trojan-Ransom.Win32.Generic-43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389.exe File created C:\Users\Admin\Pictures\StartSplit.raw.givemenitro HEUR-Trojan-Ransom.Win32.Generic-43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389.exe File created C:\Users\Admin\Pictures\StopCompare.png.givemenitro HEUR-Trojan-Ransom.Win32.Generic-43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389.exe File created C:\Users\Admin\Pictures\FormatSelect.tif.givemenitro HEUR-Trojan-Ransom.Win32.Generic-43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389.exe File created C:\Users\Admin\Pictures\UnregisterExit.tiff.givemenitro HEUR-Trojan-Ransom.Win32.Generic-43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389.exe File created C:\Users\Admin\Pictures\ConvertFromReset.crw.givemenitro HEUR-Trojan-Ransom.Win32.Generic-43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389.exe File created C:\Users\Admin\Pictures\GroupCopy.png.givemenitro HEUR-Trojan-Ransom.Win32.Generic-43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389.exe File created C:\Users\Admin\Pictures\SendConvertFrom.tiff.givemenitro HEUR-Trojan-Ransom.Win32.Generic-43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389.exe File opened for modification C:\Users\Admin\Pictures\UnregisterExit.tiff HEUR-Trojan-Ransom.Win32.Generic-43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389.exe File created C:\Users\Admin\Pictures\UpdateCopy.png.givemenitro HEUR-Trojan-Ransom.Win32.Generic-43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389.exe File created C:\Users\Admin\Pictures\GetProtect.crw.givemenitro HEUR-Trojan-Ransom.Win32.Generic-43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389.exe File created C:\Users\Admin\Pictures\MergeResume.crw.givemenitro HEUR-Trojan-Ransom.Win32.Generic-43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389.exe File created C:\Users\Admin\Pictures\NewResume.raw.givemenitro HEUR-Trojan-Ransom.Win32.Generic-43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389.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-43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389.exe\"" HEUR-Trojan-Ransom.Win32.Generic-43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389.exe - Drops desktop.ini file(s) 5 IoCs
description ioc Process File opened for modification C:\Users\Admin\Documents\desktop.ini HEUR-Trojan-Ransom.Win32.Generic-43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389.exe File opened for modification C:\Users\Admin\Pictures\Camera Roll\desktop.ini HEUR-Trojan-Ransom.Win32.Generic-43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389.exe File opened for modification C:\Users\Admin\Pictures\Saved Pictures\desktop.ini HEUR-Trojan-Ransom.Win32.Generic-43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini HEUR-Trojan-Ransom.Win32.Generic-43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini HEUR-Trojan-Ransom.Win32.Generic-43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389.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 17 api.ipify.org 18 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-43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3340 HEUR-Trojan-Ransom.Win32.Generic-43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389.exe 3340 HEUR-Trojan-Ransom.Win32.Generic-43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389.exe - Suspicious use of AdjustPrivilegeToken 43 IoCs
description pid Process Token: SeDebugPrivilege 3340 HEUR-Trojan-Ransom.Win32.Generic-43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389.exe Token: SeIncreaseQuotaPrivilege 3820 WMIC.exe Token: SeSecurityPrivilege 3820 WMIC.exe Token: SeTakeOwnershipPrivilege 3820 WMIC.exe Token: SeLoadDriverPrivilege 3820 WMIC.exe Token: SeSystemProfilePrivilege 3820 WMIC.exe Token: SeSystemtimePrivilege 3820 WMIC.exe Token: SeProfSingleProcessPrivilege 3820 WMIC.exe Token: SeIncBasePriorityPrivilege 3820 WMIC.exe Token: SeCreatePagefilePrivilege 3820 WMIC.exe Token: SeBackupPrivilege 3820 WMIC.exe Token: SeRestorePrivilege 3820 WMIC.exe Token: SeShutdownPrivilege 3820 WMIC.exe Token: SeDebugPrivilege 3820 WMIC.exe Token: SeSystemEnvironmentPrivilege 3820 WMIC.exe Token: SeRemoteShutdownPrivilege 3820 WMIC.exe Token: SeUndockPrivilege 3820 WMIC.exe Token: SeManageVolumePrivilege 3820 WMIC.exe Token: 33 3820 WMIC.exe Token: 34 3820 WMIC.exe Token: 35 3820 WMIC.exe Token: 36 3820 WMIC.exe Token: SeIncreaseQuotaPrivilege 3820 WMIC.exe Token: SeSecurityPrivilege 3820 WMIC.exe Token: SeTakeOwnershipPrivilege 3820 WMIC.exe Token: SeLoadDriverPrivilege 3820 WMIC.exe Token: SeSystemProfilePrivilege 3820 WMIC.exe Token: SeSystemtimePrivilege 3820 WMIC.exe Token: SeProfSingleProcessPrivilege 3820 WMIC.exe Token: SeIncBasePriorityPrivilege 3820 WMIC.exe Token: SeCreatePagefilePrivilege 3820 WMIC.exe Token: SeBackupPrivilege 3820 WMIC.exe Token: SeRestorePrivilege 3820 WMIC.exe Token: SeShutdownPrivilege 3820 WMIC.exe Token: SeDebugPrivilege 3820 WMIC.exe Token: SeSystemEnvironmentPrivilege 3820 WMIC.exe Token: SeRemoteShutdownPrivilege 3820 WMIC.exe Token: SeUndockPrivilege 3820 WMIC.exe Token: SeManageVolumePrivilege 3820 WMIC.exe Token: 33 3820 WMIC.exe Token: 34 3820 WMIC.exe Token: 35 3820 WMIC.exe Token: 36 3820 WMIC.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3340 wrote to memory of 1316 3340 HEUR-Trojan-Ransom.Win32.Generic-43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389.exe 84 PID 3340 wrote to memory of 1316 3340 HEUR-Trojan-Ransom.Win32.Generic-43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389.exe 84 PID 3340 wrote to memory of 1316 3340 HEUR-Trojan-Ransom.Win32.Generic-43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389.exe 84 PID 1316 wrote to memory of 3820 1316 cmd.exe 86 PID 1316 wrote to memory of 3820 1316 cmd.exe 86 PID 1316 wrote to memory of 3820 1316 cmd.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\HEUR-Trojan-Ransom.Win32.Generic-43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389.exe"C:\Users\Admin\AppData\Local\Temp\HEUR-Trojan-Ransom.Win32.Generic-43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389.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:3340 -
C:\Windows\SysWOW64\cmd.exe"cmd.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1316 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic csproduct get uuid3⤵
- Suspicious use of AdjustPrivilegeToken
PID:3820
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