Analysis
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max time kernel
81s -
max time network
44s -
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-43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
HEUR-Trojan-Ransom.Win32.Generic-43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389.exe
Resource
win10v2004-20220901-en
General
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Target
HEUR-Trojan-Ransom.Win32.Generic-43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389.exe
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Size
61KB
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MD5
e680f507b13f1d68df733221e18169cf
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SHA1
024d22d9a084ac576239590ac4b9c61ea9fc259a
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SHA256
43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389
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SHA512
2e9017dc5c3537123c443922b25881d328630822744b1111da8655b4c03bf670c2657822e718f65fd8bd62eded931f55cf0ac5ddefe9644d2f6dbee41519477d
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SSDEEP
768:kKsMqCXfVcWlQM9ZkiANIUL1YLDwUzc80gmq3oP/oDL:kKseSM9ZkiAPOr/0O8/oP
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 6 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
HEUR-Trojan-Ransom.Win32.Generic-43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389.exedescription ioc process File created C:\Users\Admin\Pictures\MoveStart.crw.givemenitro HEUR-Trojan-Ransom.Win32.Generic-43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389.exe File created C:\Users\Admin\Pictures\PopSave.tif.givemenitro HEUR-Trojan-Ransom.Win32.Generic-43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389.exe File created C:\Users\Admin\Pictures\PushConnect.tif.givemenitro HEUR-Trojan-Ransom.Win32.Generic-43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389.exe File created C:\Users\Admin\Pictures\TestHide.tiff.givemenitro HEUR-Trojan-Ransom.Win32.Generic-43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389.exe File opened for modification C:\Users\Admin\Pictures\TestHide.tiff HEUR-Trojan-Ransom.Win32.Generic-43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389.exe File created C:\Users\Admin\Pictures\TestReceive.crw.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.
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
HEUR-Trojan-Ransom.Win32.Generic-43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\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) 3 IoCs
Processes:
HEUR-Trojan-Ransom.Win32.Generic-43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389.exedescription ioc process File opened for modification C:\Users\Admin\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\Documents\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.
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-43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\wallpaper.png" HEUR-Trojan-Ransom.Win32.Generic-43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Pictures\\My Wallpaper.jpg" HEUR-Trojan-Ransom.Win32.Generic-43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
HEUR-Trojan-Ransom.Win32.Generic-43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389.exepid process 1348 HEUR-Trojan-Ransom.Win32.Generic-43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389.exe 1348 HEUR-Trojan-Ransom.Win32.Generic-43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389.exe -
Suspicious use of AdjustPrivilegeToken 41 IoCs
Processes:
HEUR-Trojan-Ransom.Win32.Generic-43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389.exeWMIC.exedescription pid process Token: SeDebugPrivilege 1348 HEUR-Trojan-Ransom.Win32.Generic-43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389.exe Token: SeIncreaseQuotaPrivilege 1476 WMIC.exe Token: SeSecurityPrivilege 1476 WMIC.exe Token: SeTakeOwnershipPrivilege 1476 WMIC.exe Token: SeLoadDriverPrivilege 1476 WMIC.exe Token: SeSystemProfilePrivilege 1476 WMIC.exe Token: SeSystemtimePrivilege 1476 WMIC.exe Token: SeProfSingleProcessPrivilege 1476 WMIC.exe Token: SeIncBasePriorityPrivilege 1476 WMIC.exe Token: SeCreatePagefilePrivilege 1476 WMIC.exe Token: SeBackupPrivilege 1476 WMIC.exe Token: SeRestorePrivilege 1476 WMIC.exe Token: SeShutdownPrivilege 1476 WMIC.exe Token: SeDebugPrivilege 1476 WMIC.exe Token: SeSystemEnvironmentPrivilege 1476 WMIC.exe Token: SeRemoteShutdownPrivilege 1476 WMIC.exe Token: SeUndockPrivilege 1476 WMIC.exe Token: SeManageVolumePrivilege 1476 WMIC.exe Token: 33 1476 WMIC.exe Token: 34 1476 WMIC.exe Token: 35 1476 WMIC.exe Token: SeIncreaseQuotaPrivilege 1476 WMIC.exe Token: SeSecurityPrivilege 1476 WMIC.exe Token: SeTakeOwnershipPrivilege 1476 WMIC.exe Token: SeLoadDriverPrivilege 1476 WMIC.exe Token: SeSystemProfilePrivilege 1476 WMIC.exe Token: SeSystemtimePrivilege 1476 WMIC.exe Token: SeProfSingleProcessPrivilege 1476 WMIC.exe Token: SeIncBasePriorityPrivilege 1476 WMIC.exe Token: SeCreatePagefilePrivilege 1476 WMIC.exe Token: SeBackupPrivilege 1476 WMIC.exe Token: SeRestorePrivilege 1476 WMIC.exe Token: SeShutdownPrivilege 1476 WMIC.exe Token: SeDebugPrivilege 1476 WMIC.exe Token: SeSystemEnvironmentPrivilege 1476 WMIC.exe Token: SeRemoteShutdownPrivilege 1476 WMIC.exe Token: SeUndockPrivilege 1476 WMIC.exe Token: SeManageVolumePrivilege 1476 WMIC.exe Token: 33 1476 WMIC.exe Token: 34 1476 WMIC.exe Token: 35 1476 WMIC.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
HEUR-Trojan-Ransom.Win32.Generic-43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389.execmd.exedescription pid process target process PID 1348 wrote to memory of 908 1348 HEUR-Trojan-Ransom.Win32.Generic-43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389.exe cmd.exe PID 1348 wrote to memory of 908 1348 HEUR-Trojan-Ransom.Win32.Generic-43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389.exe cmd.exe PID 1348 wrote to memory of 908 1348 HEUR-Trojan-Ransom.Win32.Generic-43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389.exe cmd.exe PID 1348 wrote to memory of 908 1348 HEUR-Trojan-Ransom.Win32.Generic-43bb3267bbce92106b2699d236d66c4fdd549446b99110faf55d92263ac5d389.exe cmd.exe PID 908 wrote to memory of 1476 908 cmd.exe WMIC.exe PID 908 wrote to memory of 1476 908 cmd.exe WMIC.exe PID 908 wrote to memory of 1476 908 cmd.exe WMIC.exe PID 908 wrote to memory of 1476 908 cmd.exe WMIC.exe
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
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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/908-56-0x0000000000000000-mapping.dmp
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memory/1348-54-0x0000000000A70000-0x0000000000A86000-memory.dmpFilesize
88KB
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memory/1348-55-0x00000000750A1000-0x00000000750A3000-memory.dmpFilesize
8KB
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memory/1348-58-0x0000000004B05000-0x0000000004B16000-memory.dmpFilesize
68KB
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memory/1476-57-0x0000000000000000-mapping.dmp