Resubmissions
28/03/2025, 16:48
250328-va915aywc1 1025/03/2025, 13:36
250325-qv95eawzdw 1025/03/2025, 13:15
250325-qhpb6sznz8 1005/02/2025, 11:25
250205-njccwswkap 1024/06/2024, 18:49
240624-xgn4cazhpl 10Analysis
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max time kernel
104s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20250314-en -
resource tags
arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system -
submitted
25/03/2025, 13:36
Behavioral task
behavioral1
Sample
22d7d67c3af10b1a37f277ebabe2d1eb4fd25afbd6437d4377400e148bcc08d6.zip
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
22d7d67c3af10b1a37f277ebabe2d1eb4fd25afbd6437d4377400e148bcc08d6.zip
Resource
win10v2004-20250314-en
Behavioral task
behavioral3
Sample
22d7d67c3af10b1a37f277ebabe2d1eb4fd25afbd6437d4377400e148bcc08d6.exe
Resource
win7-20250207-en
Behavioral task
behavioral4
Sample
22d7d67c3af10b1a37f277ebabe2d1eb4fd25afbd6437d4377400e148bcc08d6.exe
Resource
win10v2004-20250314-en
General
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Target
22d7d67c3af10b1a37f277ebabe2d1eb4fd25afbd6437d4377400e148bcc08d6.exe
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Size
67KB
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MD5
598c53bfef81e489375f09792e487f1a
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SHA1
80a29bd2c349a8588edf42653ed739054f9a10f5
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SHA256
22d7d67c3af10b1a37f277ebabe2d1eb4fd25afbd6437d4377400e148bcc08d6
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SHA512
6a82ad5009588d2fa343bef8d9d2a02e2e76eec14979487a929a96a6b6965e82265a69ef8dd29a01927e9713468de3aedd7b5ee5e79839a1a50649855a160c35
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SSDEEP
1536:RzICS4AT6GxdEe+TOdincJXvKv8Zg3kl:qR7auJXSkZg3C
Malware Config
Extracted
C:\Xg7wlpbwD.README.txt
blackmatter
http://supp24yy6a66hwszu2piygicgwzdtbwftb76htfj7vnip3getgqnzxid.onion/7NT6LXKC1XQHW5039BLOV
Signatures
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BlackMatter Ransomware
BlackMatter ransomware group claims to be Darkside and REvil succesor.
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Blackmatter family
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Renames multiple (144) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Sets desktop wallpaper using registry 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\Xg7wlpbwD.bmp" 22d7d67c3af10b1a37f277ebabe2d1eb4fd25afbd6437d4377400e148bcc08d6.exe Set value (str) \REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\Xg7wlpbwD.bmp" 22d7d67c3af10b1a37f277ebabe2d1eb4fd25afbd6437d4377400e148bcc08d6.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs
pid Process 5144 22d7d67c3af10b1a37f277ebabe2d1eb4fd25afbd6437d4377400e148bcc08d6.exe 5144 22d7d67c3af10b1a37f277ebabe2d1eb4fd25afbd6437d4377400e148bcc08d6.exe 5144 22d7d67c3af10b1a37f277ebabe2d1eb4fd25afbd6437d4377400e148bcc08d6.exe 5144 22d7d67c3af10b1a37f277ebabe2d1eb4fd25afbd6437d4377400e148bcc08d6.exe 5144 22d7d67c3af10b1a37f277ebabe2d1eb4fd25afbd6437d4377400e148bcc08d6.exe 5144 22d7d67c3af10b1a37f277ebabe2d1eb4fd25afbd6437d4377400e148bcc08d6.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 22d7d67c3af10b1a37f277ebabe2d1eb4fd25afbd6437d4377400e148bcc08d6.exe -
Modifies Control Panel 3 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\Control Panel\International 22d7d67c3af10b1a37f277ebabe2d1eb4fd25afbd6437d4377400e148bcc08d6.exe Key created \REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\Control Panel\Desktop 22d7d67c3af10b1a37f277ebabe2d1eb4fd25afbd6437d4377400e148bcc08d6.exe Set value (str) \REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\Control Panel\Desktop\WallpaperStyle = "10" 22d7d67c3af10b1a37f277ebabe2d1eb4fd25afbd6437d4377400e148bcc08d6.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 5144 22d7d67c3af10b1a37f277ebabe2d1eb4fd25afbd6437d4377400e148bcc08d6.exe 5144 22d7d67c3af10b1a37f277ebabe2d1eb4fd25afbd6437d4377400e148bcc08d6.exe 5144 22d7d67c3af10b1a37f277ebabe2d1eb4fd25afbd6437d4377400e148bcc08d6.exe 5144 22d7d67c3af10b1a37f277ebabe2d1eb4fd25afbd6437d4377400e148bcc08d6.exe -
Suspicious use of AdjustPrivilegeToken 17 IoCs
description pid Process Token: SeBackupPrivilege 5144 22d7d67c3af10b1a37f277ebabe2d1eb4fd25afbd6437d4377400e148bcc08d6.exe Token: SeDebugPrivilege 5144 22d7d67c3af10b1a37f277ebabe2d1eb4fd25afbd6437d4377400e148bcc08d6.exe Token: 36 5144 22d7d67c3af10b1a37f277ebabe2d1eb4fd25afbd6437d4377400e148bcc08d6.exe Token: SeImpersonatePrivilege 5144 22d7d67c3af10b1a37f277ebabe2d1eb4fd25afbd6437d4377400e148bcc08d6.exe Token: SeIncBasePriorityPrivilege 5144 22d7d67c3af10b1a37f277ebabe2d1eb4fd25afbd6437d4377400e148bcc08d6.exe Token: SeIncreaseQuotaPrivilege 5144 22d7d67c3af10b1a37f277ebabe2d1eb4fd25afbd6437d4377400e148bcc08d6.exe Token: 33 5144 22d7d67c3af10b1a37f277ebabe2d1eb4fd25afbd6437d4377400e148bcc08d6.exe Token: SeManageVolumePrivilege 5144 22d7d67c3af10b1a37f277ebabe2d1eb4fd25afbd6437d4377400e148bcc08d6.exe Token: SeProfSingleProcessPrivilege 5144 22d7d67c3af10b1a37f277ebabe2d1eb4fd25afbd6437d4377400e148bcc08d6.exe Token: SeRestorePrivilege 5144 22d7d67c3af10b1a37f277ebabe2d1eb4fd25afbd6437d4377400e148bcc08d6.exe Token: SeSecurityPrivilege 5144 22d7d67c3af10b1a37f277ebabe2d1eb4fd25afbd6437d4377400e148bcc08d6.exe Token: SeSystemProfilePrivilege 5144 22d7d67c3af10b1a37f277ebabe2d1eb4fd25afbd6437d4377400e148bcc08d6.exe Token: SeTakeOwnershipPrivilege 5144 22d7d67c3af10b1a37f277ebabe2d1eb4fd25afbd6437d4377400e148bcc08d6.exe Token: SeShutdownPrivilege 5144 22d7d67c3af10b1a37f277ebabe2d1eb4fd25afbd6437d4377400e148bcc08d6.exe Token: SeBackupPrivilege 4860 vssvc.exe Token: SeRestorePrivilege 4860 vssvc.exe Token: SeAuditPrivilege 4860 vssvc.exe -
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\22d7d67c3af10b1a37f277ebabe2d1eb4fd25afbd6437d4377400e148bcc08d6.exe"C:\Users\Admin\AppData\Local\Temp\22d7d67c3af10b1a37f277ebabe2d1eb4fd25afbd6437d4377400e148bcc08d6.exe"1⤵
- Sets desktop wallpaper using registry
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Modifies Control Panel
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5144
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4860
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5f66968c47a64569e2281f65a95991be0
SHA1ef9e3e80bfbea4c3021b226cb8cd00687013b8a8
SHA2564b950c763006e7c4569df8742855cec31bf82f835bd7e2bdcb5f128db34c82bf
SHA512cb4ace1b3e891ab100b3950c6bc133b216e91c8978a3af1ffd75617b606bb7ceb0133f44d37a30a827655e5b84b016d736a732f5f37635bb727e1a5b722cad24