Analysis
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max time kernel
135s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20250129-en -
resource tags
arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system -
submitted
03-02-2025 19:42
Behavioral task
behavioral1
Sample
Discord Nitro Generator.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
Discord Nitro Generator.exe
Resource
win10v2004-20250129-en
General
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Target
Discord Nitro Generator.exe
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Size
118KB
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MD5
79a27511481a3ff98353cc18247555d0
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SHA1
97ad6646d0ac8899a76e02820d57efccfc101da8
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SHA256
51f67144ecd073fa1ebdcee8005a8c8d0f4281645866c13aef5e4e60591f9a2b
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SHA512
b334158dcb5b7a3d21d5805088e6a13afdc64041d0d3dc5ce04e71a00ede1238f293109f9f9c6d64a59a53ee5263a2c0880fb26bba84e4fd7ad1da5b75d24eef
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SSDEEP
3072:NoBng4r9sTE6T2DtXRTBQeqbJWREG8HuRAnNRZR:Chr9sTE6GS2EV1nF
Malware Config
Extracted
C:\Users\Admin\Documents\read_me!.txt
33guPaiB1te5KSXMoAFxcCAeroGwrCKzo5
https://www.coinmama.com
https://www.abra.com/buy/bitcoin
Signatures
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Chaos
Ransomware family first seen in June 2021.
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Chaos Ransomware 2 IoCs
resource yara_rule behavioral2/memory/4412-1-0x0000000000930000-0x0000000000954000-memory.dmp family_chaos behavioral2/files/0x0008000000000034-7.dat family_chaos -
Chaos family
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Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
pid Process 460 bcdedit.exe 3628 bcdedit.exe -
pid Process 4732 wbadmin.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2211717155-842865201-3404093980-1000\Control Panel\International\Geo\Nation Discord Nitro Generator.exe Key value queried \REGISTRY\USER\S-1-5-21-2211717155-842865201-3404093980-1000\Control Panel\International\Geo\Nation Windows Defender.exe -
Drops startup file 3 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows Defender.url Windows Defender.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini Windows Defender.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\read_me!.txt Windows Defender.exe -
Executes dropped EXE 1 IoCs
pid Process 2992 Windows Defender.exe -
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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Drops desktop.ini file(s) 34 IoCs
description ioc Process File opened for modification C:\Users\Admin\Documents\desktop.ini Windows Defender.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\desktop.ini Windows Defender.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SendTo\desktop.ini Windows Defender.exe File opened for modification C:\Users\Public\Music\desktop.ini Windows Defender.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-2211717155-842865201-3404093980-1000\desktop.ini Windows Defender.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini Windows Defender.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini Windows Defender.exe File opened for modification C:\Users\Public\Desktop\desktop.ini Windows Defender.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\AccountPictures\desktop.ini Windows Defender.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\desktop.ini Windows Defender.exe File opened for modification C:\Users\Public\Pictures\desktop.ini Windows Defender.exe File opened for modification C:\Users\Admin\Music\desktop.ini Windows Defender.exe File opened for modification C:\Users\Admin\Favorites\Links\desktop.ini Windows Defender.exe File opened for modification C:\Users\Admin\Pictures\Saved Pictures\desktop.ini Windows Defender.exe File opened for modification C:\Users\Admin\Favorites\desktop.ini Windows Defender.exe File opened for modification C:\Users\Admin\Videos\desktop.ini Windows Defender.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini Windows Defender.exe File opened for modification C:\Users\Admin\Links\desktop.ini Windows Defender.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini Windows Defender.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessibility\desktop.ini Windows Defender.exe File opened for modification C:\Users\Admin\Contacts\desktop.ini Windows Defender.exe File opened for modification C:\Users\Admin\Pictures\Camera Roll\desktop.ini Windows Defender.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\System Tools\Desktop.ini Windows Defender.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\desktop.ini Windows Defender.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini Windows Defender.exe File opened for modification C:\Users\Public\Videos\desktop.ini Windows Defender.exe File opened for modification C:\Users\Admin\OneDrive\desktop.ini Windows Defender.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini Windows Defender.exe File opened for modification C:\Users\Admin\Searches\desktop.ini Windows Defender.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\desktop.ini Windows Defender.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\desktop.ini Windows Defender.exe File opened for modification C:\Users\Public\Documents\desktop.ini Windows Defender.exe File opened for modification C:\Users\Admin\Downloads\desktop.ini Windows Defender.exe File opened for modification C:\Users\Admin\Saved Games\desktop.ini Windows Defender.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2211717155-842865201-3404093980-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\mzy0sf993.jpg" Windows Defender.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks SCSI registry key(s) 3 TTPs 4 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_WDC&PROD_WDS100T2B0A\4&215468A5&0&000000 vds.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\FriendlyName vds.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_QEMU&PROD_QEMU_DVD-ROM\4&215468A5&0&010000 vds.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\FriendlyName vds.exe -
Interacts with shadow copies 3 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 3592 vssadmin.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2211717155-842865201-3404093980-1000_Classes\Local Settings Windows Defender.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2992 Windows Defender.exe -
Suspicious behavior: EnumeratesProcesses 45 IoCs
pid Process 4412 Discord Nitro Generator.exe 4412 Discord Nitro Generator.exe 4412 Discord Nitro Generator.exe 4412 Discord Nitro Generator.exe 4412 Discord Nitro Generator.exe 4412 Discord Nitro Generator.exe 4412 Discord Nitro Generator.exe 4412 Discord Nitro Generator.exe 4412 Discord Nitro Generator.exe 4412 Discord Nitro Generator.exe 4412 Discord Nitro Generator.exe 4412 Discord Nitro Generator.exe 4412 Discord Nitro Generator.exe 4412 Discord Nitro Generator.exe 4412 Discord Nitro Generator.exe 4412 Discord Nitro Generator.exe 4412 Discord Nitro Generator.exe 4412 Discord Nitro Generator.exe 4412 Discord Nitro Generator.exe 4412 Discord Nitro Generator.exe 4412 Discord Nitro Generator.exe 4412 Discord Nitro Generator.exe 4412 Discord Nitro Generator.exe 2992 Windows Defender.exe 2992 Windows Defender.exe 2992 Windows Defender.exe 2992 Windows Defender.exe 2992 Windows Defender.exe 2992 Windows Defender.exe 2992 Windows Defender.exe 2992 Windows Defender.exe 2992 Windows Defender.exe 2992 Windows Defender.exe 2992 Windows Defender.exe 2992 Windows Defender.exe 2992 Windows Defender.exe 2992 Windows Defender.exe 2992 Windows Defender.exe 2992 Windows Defender.exe 2992 Windows Defender.exe 2992 Windows Defender.exe 2992 Windows Defender.exe 2992 Windows Defender.exe 2992 Windows Defender.exe 2992 Windows Defender.exe -
Suspicious use of AdjustPrivilegeToken 50 IoCs
description pid Process Token: SeDebugPrivilege 4412 Discord Nitro Generator.exe Token: SeDebugPrivilege 2992 Windows Defender.exe Token: SeBackupPrivilege 2236 vssvc.exe Token: SeRestorePrivilege 2236 vssvc.exe Token: SeAuditPrivilege 2236 vssvc.exe Token: SeIncreaseQuotaPrivilege 3736 WMIC.exe Token: SeSecurityPrivilege 3736 WMIC.exe Token: SeTakeOwnershipPrivilege 3736 WMIC.exe Token: SeLoadDriverPrivilege 3736 WMIC.exe Token: SeSystemProfilePrivilege 3736 WMIC.exe Token: SeSystemtimePrivilege 3736 WMIC.exe Token: SeProfSingleProcessPrivilege 3736 WMIC.exe Token: SeIncBasePriorityPrivilege 3736 WMIC.exe Token: SeCreatePagefilePrivilege 3736 WMIC.exe Token: SeBackupPrivilege 3736 WMIC.exe Token: SeRestorePrivilege 3736 WMIC.exe Token: SeShutdownPrivilege 3736 WMIC.exe Token: SeDebugPrivilege 3736 WMIC.exe Token: SeSystemEnvironmentPrivilege 3736 WMIC.exe Token: SeRemoteShutdownPrivilege 3736 WMIC.exe Token: SeUndockPrivilege 3736 WMIC.exe Token: SeManageVolumePrivilege 3736 WMIC.exe Token: 33 3736 WMIC.exe Token: 34 3736 WMIC.exe Token: 35 3736 WMIC.exe Token: 36 3736 WMIC.exe Token: SeIncreaseQuotaPrivilege 3736 WMIC.exe Token: SeSecurityPrivilege 3736 WMIC.exe Token: SeTakeOwnershipPrivilege 3736 WMIC.exe Token: SeLoadDriverPrivilege 3736 WMIC.exe Token: SeSystemProfilePrivilege 3736 WMIC.exe Token: SeSystemtimePrivilege 3736 WMIC.exe Token: SeProfSingleProcessPrivilege 3736 WMIC.exe Token: SeIncBasePriorityPrivilege 3736 WMIC.exe Token: SeCreatePagefilePrivilege 3736 WMIC.exe Token: SeBackupPrivilege 3736 WMIC.exe Token: SeRestorePrivilege 3736 WMIC.exe Token: SeShutdownPrivilege 3736 WMIC.exe Token: SeDebugPrivilege 3736 WMIC.exe Token: SeSystemEnvironmentPrivilege 3736 WMIC.exe Token: SeRemoteShutdownPrivilege 3736 WMIC.exe Token: SeUndockPrivilege 3736 WMIC.exe Token: SeManageVolumePrivilege 3736 WMIC.exe Token: 33 3736 WMIC.exe Token: 34 3736 WMIC.exe Token: 35 3736 WMIC.exe Token: 36 3736 WMIC.exe Token: SeBackupPrivilege 3524 wbengine.exe Token: SeRestorePrivilege 3524 wbengine.exe Token: SeSecurityPrivilege 3524 wbengine.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 4412 wrote to memory of 2992 4412 Discord Nitro Generator.exe 91 PID 4412 wrote to memory of 2992 4412 Discord Nitro Generator.exe 91 PID 2992 wrote to memory of 696 2992 Windows Defender.exe 93 PID 2992 wrote to memory of 696 2992 Windows Defender.exe 93 PID 696 wrote to memory of 3592 696 cmd.exe 95 PID 696 wrote to memory of 3592 696 cmd.exe 95 PID 696 wrote to memory of 3736 696 cmd.exe 99 PID 696 wrote to memory of 3736 696 cmd.exe 99 PID 2992 wrote to memory of 2096 2992 Windows Defender.exe 101 PID 2992 wrote to memory of 2096 2992 Windows Defender.exe 101 PID 2096 wrote to memory of 460 2096 cmd.exe 103 PID 2096 wrote to memory of 460 2096 cmd.exe 103 PID 2096 wrote to memory of 3628 2096 cmd.exe 104 PID 2096 wrote to memory of 3628 2096 cmd.exe 104 PID 2992 wrote to memory of 4080 2992 Windows Defender.exe 105 PID 2992 wrote to memory of 4080 2992 Windows Defender.exe 105 PID 4080 wrote to memory of 4732 4080 cmd.exe 107 PID 4080 wrote to memory of 4732 4080 cmd.exe 107 PID 2992 wrote to memory of 832 2992 Windows Defender.exe 112 PID 2992 wrote to memory of 832 2992 Windows Defender.exe 112 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
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Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\Discord Nitro Generator.exe"C:\Users\Admin\AppData\Local\Temp\Discord Nitro Generator.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4412 -
C:\Users\Admin\AppData\Roaming\Windows Defender.exe"C:\Users\Admin\AppData\Roaming\Windows Defender.exe"2⤵
- Checks computer location settings
- Drops startup file
- Executes dropped EXE
- Drops desktop.ini file(s)
- Sets desktop wallpaper using registry
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2992 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete3⤵
- Suspicious use of WriteProcessMemory
PID:696 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
PID:3592
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
PID:3736
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no3⤵
- Suspicious use of WriteProcessMemory
PID:2096 -
C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures4⤵
- Modifies boot configuration data using bcdedit
PID:460
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no4⤵
- Modifies boot configuration data using bcdedit
PID:3628
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet3⤵
- Suspicious use of WriteProcessMemory
PID:4080 -
C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
PID:4732
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C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\read_me!.txt3⤵PID:832
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2236
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3524
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵PID:4336
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵
- Checks SCSI registry key(s)
PID:4444
Network
MITRE ATT&CK Enterprise v15
Defense Evasion
Direct Volume Access
1Indicator Removal
3File Deletion
3Modify Registry
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
118KB
MD579a27511481a3ff98353cc18247555d0
SHA197ad6646d0ac8899a76e02820d57efccfc101da8
SHA25651f67144ecd073fa1ebdcee8005a8c8d0f4281645866c13aef5e4e60591f9a2b
SHA512b334158dcb5b7a3d21d5805088e6a13afdc64041d0d3dc5ce04e71a00ede1238f293109f9f9c6d64a59a53ee5263a2c0880fb26bba84e4fd7ad1da5b75d24eef
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Filesize
986B
MD58427dc526743e4f1e69690834bc4249d
SHA1e85dce59e684593a7f0d7fb525c5439153439175
SHA256a7f630d1f2643f5ecafd504c231af9e898504d0a09e0ea609940b59b68191f5d
SHA512548201b5f9f89c4419a4b1a54737a7fe0b859c72dfb06d23459b53d8267bfb916863fb77b0e52d13677519477fc2fd5afb06c7c12b15592d3cc50b1c836ad804