Analysis
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max time kernel
144s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
03-11-2024 20:55
Static task
static1
Behavioral task
behavioral1
Sample
dfa7a2d95a5fe8820b0bc61c4d687da804446c222dd30e4b7c9f379c531ce60f.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
dfa7a2d95a5fe8820b0bc61c4d687da804446c222dd30e4b7c9f379c531ce60f.exe
Resource
win10v2004-20241007-en
General
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Target
dfa7a2d95a5fe8820b0bc61c4d687da804446c222dd30e4b7c9f379c531ce60f.exe
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Size
108KB
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MD5
72686c1e9b00ec1e980bc2eb58677ca1
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SHA1
93636eb6cdab3fbf0ddb212077ea1484c094f70b
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SHA256
dfa7a2d95a5fe8820b0bc61c4d687da804446c222dd30e4b7c9f379c531ce60f
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SHA512
a522b0258cae030f52bb9ff4c334d5c793807f0041adbb87e98c14e7f1b954a8dd9c833ce62328df30fdeb0c197eebb2ae375b821e63f64f227701d041c290a2
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SSDEEP
1536:fO2KDNAPWr/0O8/obeGuXZlZXWYvsR+79dj5V4huWoa:RKDNgWN8/obpR+Hj5ihuPa
Malware Config
Signatures
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Nitro
A ransomware that demands Discord nitro gift codes to decrypt files.
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Nitro family
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Renames multiple (83) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Reads user/profile data of web browsers 3 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:
dfa7a2d95a5fe8820b0bc61c4d687da804446c222dd30e4b7c9f379c531ce60f.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\NR = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\dfa7a2d95a5fe8820b0bc61c4d687da804446c222dd30e4b7c9f379c531ce60f.exe\"" dfa7a2d95a5fe8820b0bc61c4d687da804446c222dd30e4b7c9f379c531ce60f.exe -
Drops desktop.ini file(s) 3 IoCs
Processes:
dfa7a2d95a5fe8820b0bc61c4d687da804446c222dd30e4b7c9f379c531ce60f.exedescription ioc process File opened for modification C:\Users\Admin\Pictures\desktop.ini dfa7a2d95a5fe8820b0bc61c4d687da804446c222dd30e4b7c9f379c531ce60f.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini dfa7a2d95a5fe8820b0bc61c4d687da804446c222dd30e4b7c9f379c531ce60f.exe File opened for modification C:\Users\Admin\Documents\desktop.ini dfa7a2d95a5fe8820b0bc61c4d687da804446c222dd30e4b7c9f379c531ce60f.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 6 IoCs
Processes:
flow ioc 7 discord.com 8 discord.com 9 discord.com 10 discord.com 11 discord.com 6 discord.com -
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 4 api.ipify.org 5 api.ipify.org -
Sets desktop wallpaper using registry 2 TTPs 2 IoCs
Processes:
dfa7a2d95a5fe8820b0bc61c4d687da804446c222dd30e4b7c9f379c531ce60f.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\wallpaper.png" dfa7a2d95a5fe8820b0bc61c4d687da804446c222dd30e4b7c9f379c531ce60f.exe Set value (str) \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Pictures\\My Wallpaper.jpg" dfa7a2d95a5fe8820b0bc61c4d687da804446c222dd30e4b7c9f379c531ce60f.exe -
System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
dfa7a2d95a5fe8820b0bc61c4d687da804446c222dd30e4b7c9f379c531ce60f.execmd.exeWMIC.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language dfa7a2d95a5fe8820b0bc61c4d687da804446c222dd30e4b7c9f379c531ce60f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WMIC.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
dfa7a2d95a5fe8820b0bc61c4d687da804446c222dd30e4b7c9f379c531ce60f.exepid process 1960 dfa7a2d95a5fe8820b0bc61c4d687da804446c222dd30e4b7c9f379c531ce60f.exe 1960 dfa7a2d95a5fe8820b0bc61c4d687da804446c222dd30e4b7c9f379c531ce60f.exe -
Suspicious use of AdjustPrivilegeToken 41 IoCs
Processes:
dfa7a2d95a5fe8820b0bc61c4d687da804446c222dd30e4b7c9f379c531ce60f.exeWMIC.exedescription pid process Token: SeDebugPrivilege 1960 dfa7a2d95a5fe8820b0bc61c4d687da804446c222dd30e4b7c9f379c531ce60f.exe Token: SeIncreaseQuotaPrivilege 1548 WMIC.exe Token: SeSecurityPrivilege 1548 WMIC.exe Token: SeTakeOwnershipPrivilege 1548 WMIC.exe Token: SeLoadDriverPrivilege 1548 WMIC.exe Token: SeSystemProfilePrivilege 1548 WMIC.exe Token: SeSystemtimePrivilege 1548 WMIC.exe Token: SeProfSingleProcessPrivilege 1548 WMIC.exe Token: SeIncBasePriorityPrivilege 1548 WMIC.exe Token: SeCreatePagefilePrivilege 1548 WMIC.exe Token: SeBackupPrivilege 1548 WMIC.exe Token: SeRestorePrivilege 1548 WMIC.exe Token: SeShutdownPrivilege 1548 WMIC.exe Token: SeDebugPrivilege 1548 WMIC.exe Token: SeSystemEnvironmentPrivilege 1548 WMIC.exe Token: SeRemoteShutdownPrivilege 1548 WMIC.exe Token: SeUndockPrivilege 1548 WMIC.exe Token: SeManageVolumePrivilege 1548 WMIC.exe Token: 33 1548 WMIC.exe Token: 34 1548 WMIC.exe Token: 35 1548 WMIC.exe Token: SeIncreaseQuotaPrivilege 1548 WMIC.exe Token: SeSecurityPrivilege 1548 WMIC.exe Token: SeTakeOwnershipPrivilege 1548 WMIC.exe Token: SeLoadDriverPrivilege 1548 WMIC.exe Token: SeSystemProfilePrivilege 1548 WMIC.exe Token: SeSystemtimePrivilege 1548 WMIC.exe Token: SeProfSingleProcessPrivilege 1548 WMIC.exe Token: SeIncBasePriorityPrivilege 1548 WMIC.exe Token: SeCreatePagefilePrivilege 1548 WMIC.exe Token: SeBackupPrivilege 1548 WMIC.exe Token: SeRestorePrivilege 1548 WMIC.exe Token: SeShutdownPrivilege 1548 WMIC.exe Token: SeDebugPrivilege 1548 WMIC.exe Token: SeSystemEnvironmentPrivilege 1548 WMIC.exe Token: SeRemoteShutdownPrivilege 1548 WMIC.exe Token: SeUndockPrivilege 1548 WMIC.exe Token: SeManageVolumePrivilege 1548 WMIC.exe Token: 33 1548 WMIC.exe Token: 34 1548 WMIC.exe Token: 35 1548 WMIC.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
dfa7a2d95a5fe8820b0bc61c4d687da804446c222dd30e4b7c9f379c531ce60f.execmd.exedescription pid process target process PID 1960 wrote to memory of 2920 1960 dfa7a2d95a5fe8820b0bc61c4d687da804446c222dd30e4b7c9f379c531ce60f.exe cmd.exe PID 1960 wrote to memory of 2920 1960 dfa7a2d95a5fe8820b0bc61c4d687da804446c222dd30e4b7c9f379c531ce60f.exe cmd.exe PID 1960 wrote to memory of 2920 1960 dfa7a2d95a5fe8820b0bc61c4d687da804446c222dd30e4b7c9f379c531ce60f.exe cmd.exe PID 1960 wrote to memory of 2920 1960 dfa7a2d95a5fe8820b0bc61c4d687da804446c222dd30e4b7c9f379c531ce60f.exe cmd.exe PID 2920 wrote to memory of 1548 2920 cmd.exe WMIC.exe PID 2920 wrote to memory of 1548 2920 cmd.exe WMIC.exe PID 2920 wrote to memory of 1548 2920 cmd.exe WMIC.exe PID 2920 wrote to memory of 1548 2920 cmd.exe WMIC.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\dfa7a2d95a5fe8820b0bc61c4d687da804446c222dd30e4b7c9f379c531ce60f.exe"C:\Users\Admin\AppData\Local\Temp\dfa7a2d95a5fe8820b0bc61c4d687da804446c222dd30e4b7c9f379c531ce60f.exe"1⤵
- Adds Run key to start application
- Drops desktop.ini file(s)
- Sets desktop wallpaper using registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1960 -
C:\Windows\SysWOW64\cmd.exe"cmd.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2920 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic csproduct get uuid3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1548
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