Analysis
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max time kernel
59s -
max time network
52s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
29-09-2022 17:08
Static task
static1
Behavioral task
behavioral1
Sample
HEUR-Trojan-Ransom.Win32.exe
Resource
win7-20220812-en
windows7-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
HEUR-Trojan-Ransom.Win32.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
10 signatures
150 seconds
General
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Target
HEUR-Trojan-Ransom.Win32.exe
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Size
60KB
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MD5
97a6a6eb35fbd7f8f6752c42cff2d358
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SHA1
c9ebb02c234804a64f4dccfeaa26dae39afc9a20
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SHA256
fd59987622ce4821e366b8d6b689c982d34ad8bb8e77e9674ad0b655b2768e82
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SHA512
24ec0746bd8e7387cc5f1de590d98e327f7c918523a9331d8d06387db219c728538184ae98f04909699a3f8f8334f43cdb1722e5e7c9139d000013acbd7aa0a9
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SSDEEP
768:nOucKn7n1J2ZDNANIUf5vLDwUzc80gmq3oP/oDk:nO22ZDNAPJr/0O8/oQ
Score
10/10
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 2 IoCs
Ransomware generally changes the extension on encrypted files.
description ioc Process File created C:\Users\Admin\Pictures\BlockClose.png.givemenitro HEUR-Trojan-Ransom.Win32.exe File created C:\Users\Admin\Pictures\ResolveSync.crw.givemenitro HEUR-Trojan-Ransom.Win32.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
description 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.exe -
Drops desktop.ini file(s) 3 IoCs
description ioc Process File opened for modification C:\Users\Admin\Pictures\desktop.ini HEUR-Trojan-Ransom.Win32.exe File opened for modification C:\Users\Admin\Documents\desktop.ini HEUR-Trojan-Ransom.Win32.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini HEUR-Trojan-Ransom.Win32.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 3 api.ipify.org 4 api.ipify.org -
Sets desktop wallpaper using registry 2 TTPs 2 IoCs
description 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.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.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1388 HEUR-Trojan-Ransom.Win32.exe 1388 HEUR-Trojan-Ransom.Win32.exe -
Suspicious use of AdjustPrivilegeToken 45 IoCs
description pid Process Token: SeDebugPrivilege 1388 HEUR-Trojan-Ransom.Win32.exe Token: SeIncreaseQuotaPrivilege 1164 WMIC.exe Token: SeSecurityPrivilege 1164 WMIC.exe Token: SeTakeOwnershipPrivilege 1164 WMIC.exe Token: SeLoadDriverPrivilege 1164 WMIC.exe Token: SeSystemProfilePrivilege 1164 WMIC.exe Token: SeSystemtimePrivilege 1164 WMIC.exe Token: SeProfSingleProcessPrivilege 1164 WMIC.exe Token: SeIncBasePriorityPrivilege 1164 WMIC.exe Token: SeCreatePagefilePrivilege 1164 WMIC.exe Token: SeBackupPrivilege 1164 WMIC.exe Token: SeRestorePrivilege 1164 WMIC.exe Token: SeShutdownPrivilege 1164 WMIC.exe Token: SeDebugPrivilege 1164 WMIC.exe Token: SeSystemEnvironmentPrivilege 1164 WMIC.exe Token: SeRemoteShutdownPrivilege 1164 WMIC.exe Token: SeUndockPrivilege 1164 WMIC.exe Token: SeManageVolumePrivilege 1164 WMIC.exe Token: 33 1164 WMIC.exe Token: 34 1164 WMIC.exe Token: 35 1164 WMIC.exe Token: SeIncreaseQuotaPrivilege 1164 WMIC.exe Token: SeSecurityPrivilege 1164 WMIC.exe Token: SeTakeOwnershipPrivilege 1164 WMIC.exe Token: SeLoadDriverPrivilege 1164 WMIC.exe Token: SeSystemProfilePrivilege 1164 WMIC.exe Token: SeSystemtimePrivilege 1164 WMIC.exe Token: SeProfSingleProcessPrivilege 1164 WMIC.exe Token: SeIncBasePriorityPrivilege 1164 WMIC.exe Token: SeCreatePagefilePrivilege 1164 WMIC.exe Token: SeBackupPrivilege 1164 WMIC.exe Token: SeRestorePrivilege 1164 WMIC.exe Token: SeShutdownPrivilege 1164 WMIC.exe Token: SeDebugPrivilege 1164 WMIC.exe Token: SeSystemEnvironmentPrivilege 1164 WMIC.exe Token: SeRemoteShutdownPrivilege 1164 WMIC.exe Token: SeUndockPrivilege 1164 WMIC.exe Token: SeManageVolumePrivilege 1164 WMIC.exe Token: 33 1164 WMIC.exe Token: 34 1164 WMIC.exe Token: 35 1164 WMIC.exe Token: 33 672 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 672 AUDIODG.EXE Token: 33 672 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 672 AUDIODG.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1388 wrote to memory of 956 1388 HEUR-Trojan-Ransom.Win32.exe 27 PID 1388 wrote to memory of 956 1388 HEUR-Trojan-Ransom.Win32.exe 27 PID 1388 wrote to memory of 956 1388 HEUR-Trojan-Ransom.Win32.exe 27 PID 1388 wrote to memory of 956 1388 HEUR-Trojan-Ransom.Win32.exe 27 PID 956 wrote to memory of 1164 956 cmd.exe 29 PID 956 wrote to memory of 1164 956 cmd.exe 29 PID 956 wrote to memory of 1164 956 cmd.exe 29 PID 956 wrote to memory of 1164 956 cmd.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\HEUR-Trojan-Ransom.Win32.exe"C:\Users\Admin\AppData\Local\Temp\HEUR-Trojan-Ransom.Win32.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:1388 -
C:\Windows\SysWOW64\cmd.exe"cmd.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:956 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic csproduct get uuid3⤵
- Suspicious use of AdjustPrivilegeToken
PID:1164
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C:\Windows\explorer.exe"C:\Windows\explorer.exe"1⤵PID:1112
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x2041⤵
- Suspicious use of AdjustPrivilegeToken
PID:672