Analysis
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max time kernel
80s -
max time network
64s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-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
Behavioral task
behavioral2
Sample
HEUR-Trojan-Ransom.Win32.Generic-4fba7e65f6562871a003aca98b980a3deaade6e7cc8b407342de198ad3b93beb.exe
Resource
win10v2004-20220812-en
General
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Target
HEUR-Trojan-Ransom.Win32.Generic-4fba7e65f6562871a003aca98b980a3deaade6e7cc8b407342de198ad3b93beb.exe
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Size
61KB
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MD5
23bd2aa57039583c65059e514411fa80
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SHA1
0bb33600af58b331d1265c991d0153ba17a1537c
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SHA256
4fba7e65f6562871a003aca98b980a3deaade6e7cc8b407342de198ad3b93beb
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SHA512
b622eb4de35ef50b7736ca5beeebb74fd29dc04c860946fa6102c6b8213f34c3ac65c7e0cda051f5dc0848e441b6616e42e174a19a1e499d8e27f0ed11bd3ec9
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SSDEEP
768:EKsMqCXfVcWlzM9ZkiANIUqRMYLDwUzc80gmq3oP/oDO:EKse1M9ZkiAPYr/0O8/oK
Malware Config
Signatures
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Nitro
A ransomware that demands Discord nitro gift codes to decrypt files.
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Modifies extensions of user files 4 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
HEUR-Trojan-Ransom.Win32.Generic-4fba7e65f6562871a003aca98b980a3deaade6e7cc8b407342de198ad3b93beb.exedescription ioc process File created C:\Users\Admin\Pictures\ExpandWrite.crw.givemenitro HEUR-Trojan-Ransom.Win32.Generic-4fba7e65f6562871a003aca98b980a3deaade6e7cc8b407342de198ad3b93beb.exe File created C:\Users\Admin\Pictures\MountInitialize.tif.givemenitro HEUR-Trojan-Ransom.Win32.Generic-4fba7e65f6562871a003aca98b980a3deaade6e7cc8b407342de198ad3b93beb.exe File created C:\Users\Admin\Pictures\SwitchTrace.raw.givemenitro HEUR-Trojan-Ransom.Win32.Generic-4fba7e65f6562871a003aca98b980a3deaade6e7cc8b407342de198ad3b93beb.exe File created C:\Users\Admin\Pictures\WaitHide.crw.givemenitro 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.
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
HEUR-Trojan-Ransom.Win32.Generic-4fba7e65f6562871a003aca98b980a3deaade6e7cc8b407342de198ad3b93beb.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\NR = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\" HEUR-Trojan-Ransom.Win32.Generic-4fba7e65f6562871a003aca98b980a3deaade6e7cc8b407342de198ad3b93beb.exe -
Drops desktop.ini file(s) 3 IoCs
Processes:
HEUR-Trojan-Ransom.Win32.Generic-4fba7e65f6562871a003aca98b980a3deaade6e7cc8b407342de198ad3b93beb.exedescription ioc process 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\desktop.ini HEUR-Trojan-Ransom.Win32.Generic-4fba7e65f6562871a003aca98b980a3deaade6e7cc8b407342de198ad3b93beb.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs
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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 3 api.ipify.org 4 api.ipify.org -
Sets desktop wallpaper using registry 2 TTPs 2 IoCs
Processes:
HEUR-Trojan-Ransom.Win32.Generic-4fba7e65f6562871a003aca98b980a3deaade6e7cc8b407342de198ad3b93beb.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\wallpaper.png" HEUR-Trojan-Ransom.Win32.Generic-4fba7e65f6562871a003aca98b980a3deaade6e7cc8b407342de198ad3b93beb.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Pictures\\My Wallpaper.jpg" HEUR-Trojan-Ransom.Win32.Generic-4fba7e65f6562871a003aca98b980a3deaade6e7cc8b407342de198ad3b93beb.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
HEUR-Trojan-Ransom.Win32.Generic-4fba7e65f6562871a003aca98b980a3deaade6e7cc8b407342de198ad3b93beb.exepid process 1660 HEUR-Trojan-Ransom.Win32.Generic-4fba7e65f6562871a003aca98b980a3deaade6e7cc8b407342de198ad3b93beb.exe 1660 HEUR-Trojan-Ransom.Win32.Generic-4fba7e65f6562871a003aca98b980a3deaade6e7cc8b407342de198ad3b93beb.exe -
Suspicious use of AdjustPrivilegeToken 41 IoCs
Processes:
HEUR-Trojan-Ransom.Win32.Generic-4fba7e65f6562871a003aca98b980a3deaade6e7cc8b407342de198ad3b93beb.exeWMIC.exedescription pid process Token: SeDebugPrivilege 1660 HEUR-Trojan-Ransom.Win32.Generic-4fba7e65f6562871a003aca98b980a3deaade6e7cc8b407342de198ad3b93beb.exe Token: SeIncreaseQuotaPrivilege 1480 WMIC.exe Token: SeSecurityPrivilege 1480 WMIC.exe Token: SeTakeOwnershipPrivilege 1480 WMIC.exe Token: SeLoadDriverPrivilege 1480 WMIC.exe Token: SeSystemProfilePrivilege 1480 WMIC.exe Token: SeSystemtimePrivilege 1480 WMIC.exe Token: SeProfSingleProcessPrivilege 1480 WMIC.exe Token: SeIncBasePriorityPrivilege 1480 WMIC.exe Token: SeCreatePagefilePrivilege 1480 WMIC.exe Token: SeBackupPrivilege 1480 WMIC.exe Token: SeRestorePrivilege 1480 WMIC.exe Token: SeShutdownPrivilege 1480 WMIC.exe Token: SeDebugPrivilege 1480 WMIC.exe Token: SeSystemEnvironmentPrivilege 1480 WMIC.exe Token: SeRemoteShutdownPrivilege 1480 WMIC.exe Token: SeUndockPrivilege 1480 WMIC.exe Token: SeManageVolumePrivilege 1480 WMIC.exe Token: 33 1480 WMIC.exe Token: 34 1480 WMIC.exe Token: 35 1480 WMIC.exe Token: SeIncreaseQuotaPrivilege 1480 WMIC.exe Token: SeSecurityPrivilege 1480 WMIC.exe Token: SeTakeOwnershipPrivilege 1480 WMIC.exe Token: SeLoadDriverPrivilege 1480 WMIC.exe Token: SeSystemProfilePrivilege 1480 WMIC.exe Token: SeSystemtimePrivilege 1480 WMIC.exe Token: SeProfSingleProcessPrivilege 1480 WMIC.exe Token: SeIncBasePriorityPrivilege 1480 WMIC.exe Token: SeCreatePagefilePrivilege 1480 WMIC.exe Token: SeBackupPrivilege 1480 WMIC.exe Token: SeRestorePrivilege 1480 WMIC.exe Token: SeShutdownPrivilege 1480 WMIC.exe Token: SeDebugPrivilege 1480 WMIC.exe Token: SeSystemEnvironmentPrivilege 1480 WMIC.exe Token: SeRemoteShutdownPrivilege 1480 WMIC.exe Token: SeUndockPrivilege 1480 WMIC.exe Token: SeManageVolumePrivilege 1480 WMIC.exe Token: 33 1480 WMIC.exe Token: 34 1480 WMIC.exe Token: 35 1480 WMIC.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
HEUR-Trojan-Ransom.Win32.Generic-4fba7e65f6562871a003aca98b980a3deaade6e7cc8b407342de198ad3b93beb.execmd.exedescription pid process target process PID 1660 wrote to memory of 1680 1660 HEUR-Trojan-Ransom.Win32.Generic-4fba7e65f6562871a003aca98b980a3deaade6e7cc8b407342de198ad3b93beb.exe cmd.exe PID 1660 wrote to memory of 1680 1660 HEUR-Trojan-Ransom.Win32.Generic-4fba7e65f6562871a003aca98b980a3deaade6e7cc8b407342de198ad3b93beb.exe cmd.exe PID 1660 wrote to memory of 1680 1660 HEUR-Trojan-Ransom.Win32.Generic-4fba7e65f6562871a003aca98b980a3deaade6e7cc8b407342de198ad3b93beb.exe cmd.exe PID 1660 wrote to memory of 1680 1660 HEUR-Trojan-Ransom.Win32.Generic-4fba7e65f6562871a003aca98b980a3deaade6e7cc8b407342de198ad3b93beb.exe cmd.exe PID 1680 wrote to memory of 1480 1680 cmd.exe WMIC.exe PID 1680 wrote to memory of 1480 1680 cmd.exe WMIC.exe PID 1680 wrote to memory of 1480 1680 cmd.exe WMIC.exe PID 1680 wrote to memory of 1480 1680 cmd.exe WMIC.exe
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
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C:\Windows\SysWOW64\cmd.exe"cmd.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\Wbem\WMIC.exewmic csproduct get uuid3⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/1480-57-0x0000000000000000-mapping.dmp
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memory/1660-54-0x0000000000BF0000-0x0000000000C06000-memory.dmpFilesize
88KB
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memory/1660-55-0x0000000075FB1000-0x0000000075FB3000-memory.dmpFilesize
8KB
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memory/1660-58-0x00000000043D5000-0x00000000043E6000-memory.dmpFilesize
68KB
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memory/1680-56-0x0000000000000000-mapping.dmp