Overview
overview
10Static
static
10072158f558...86.exe
windows7_x64
10072158f558...86.exe
windows10_x64
100751c42296...a4.exe
windows7_x64
100751c42296...a4.exe
windows10_x64
1014a3e308c9...5c.exe
windows7_x64
314a3e308c9...5c.exe
windows10_x64
31c63a4fdee...49.exe
windows7_x64
101c63a4fdee...49.exe
windows10_x64
101eea3cbd72...c2.exe
windows7_x64
101eea3cbd72...c2.exe
windows10_x64
1020742987e6...41.exe
windows7_x64
1020742987e6...41.exe
windows10_x64
1022d7d67c3a...d6.exe
windows7_x64
1022d7d67c3a...d6.exe
windows10_x64
102466fca0e2...4c.exe
windows7_x64
102466fca0e2...4c.exe
windows10_x64
102aad85dbd4...7c.exe
windows7_x64
102aad85dbd4...7c.exe
windows10_x64
102c323453e9...09.exe
windows7_x64
102c323453e9...09.exe
windows10_x64
102cdb5edf30...fd.exe
windows7_x64
102cdb5edf30...fd.exe
windows10_x64
102e50eb85f6...b2.exe
windows7_x64
102e50eb85f6...b2.exe
windows10_x64
103a03530c73...17.exe
windows7_x64
103a03530c73...17.exe
windows10_x64
103a4bd5288b...40.exe
windows7_x64
103a4bd5288b...40.exe
windows10_x64
104ad9432cc8...91.dll
windows7_x64
104ad9432cc8...91.dll
windows10_x64
104be85e2083...2b.exe
windows7_x64
104be85e2083...2b.exe
windows10_x64
10Analysis
-
max time kernel
122s -
max time network
142s -
platform
windows10_x64 -
resource
win10-en-20211014 -
submitted
22-11-2021 13:14
Static task
static1
Behavioral task
behavioral1
Sample
072158f5588440e6c94cb419ae06a27cf584afe3b0cb09c28eff0b4662c15486.exe
Resource
win7-en-20211014
Behavioral task
behavioral2
Sample
072158f5588440e6c94cb419ae06a27cf584afe3b0cb09c28eff0b4662c15486.exe
Resource
win10-en-20211104
Behavioral task
behavioral3
Sample
0751c422962dcd500d7cf2cf8bf544ddf5b2fe3465df7dd9b9998f6bba5e08a4.exe
Resource
win7-en-20211014
Behavioral task
behavioral4
Sample
0751c422962dcd500d7cf2cf8bf544ddf5b2fe3465df7dd9b9998f6bba5e08a4.exe
Resource
win10-en-20211104
Behavioral task
behavioral5
Sample
14a3e308c90183b3785b6c26ec40d29405361cd8dec204a62235733401bf5f5c.exe
Resource
win7-en-20211014
Behavioral task
behavioral6
Sample
14a3e308c90183b3785b6c26ec40d29405361cd8dec204a62235733401bf5f5c.exe
Resource
win10-en-20211104
Behavioral task
behavioral7
Sample
1c63a4fdee1528429886a0de5e89eaa540a058bf27cd378b8d139e045a2f7849.exe
Resource
win7-en-20211014
Behavioral task
behavioral8
Sample
1c63a4fdee1528429886a0de5e89eaa540a058bf27cd378b8d139e045a2f7849.exe
Resource
win10-en-20211104
Behavioral task
behavioral9
Sample
1eea3cbd729d4493c0c0a84efe6840abf1760efe221dc971d32ca5017b5c19c2.exe
Resource
win7-en-20211104
Behavioral task
behavioral10
Sample
1eea3cbd729d4493c0c0a84efe6840abf1760efe221dc971d32ca5017b5c19c2.exe
Resource
win10-en-20211014
Behavioral task
behavioral11
Sample
20742987e6f743814b25e214f8b2cd43111e2f60a8856a6cca87cafd85422f41.exe
Resource
win7-en-20211104
Behavioral task
behavioral12
Sample
20742987e6f743814b25e214f8b2cd43111e2f60a8856a6cca87cafd85422f41.exe
Resource
win10-en-20211014
Behavioral task
behavioral13
Sample
22d7d67c3af10b1a37f277ebabe2d1eb4fd25afbd6437d4377400e148bcc08d6.exe
Resource
win7-en-20211104
Behavioral task
behavioral14
Sample
22d7d67c3af10b1a37f277ebabe2d1eb4fd25afbd6437d4377400e148bcc08d6.exe
Resource
win10-en-20211104
Behavioral task
behavioral15
Sample
2466fca0e29b06c78ffa8a44193fb58c30e6bec4e54bbef8e6622349b95cce4c.exe
Resource
win7-en-20211014
Behavioral task
behavioral16
Sample
2466fca0e29b06c78ffa8a44193fb58c30e6bec4e54bbef8e6622349b95cce4c.exe
Resource
win10-en-20211104
Behavioral task
behavioral17
Sample
2aad85dbd4c79bd21c6218892552d5c9fb216293a251559ba59d45d56a01437c.exe
Resource
win7-en-20211014
Behavioral task
behavioral18
Sample
2aad85dbd4c79bd21c6218892552d5c9fb216293a251559ba59d45d56a01437c.exe
Resource
win10-en-20211104
Behavioral task
behavioral19
Sample
2c323453e959257c7aa86dc180bb3aaaa5c5ec06fa4e72b632d9e4b817052009.exe
Resource
win7-en-20211014
Behavioral task
behavioral20
Sample
2c323453e959257c7aa86dc180bb3aaaa5c5ec06fa4e72b632d9e4b817052009.exe
Resource
win10-en-20211104
Behavioral task
behavioral21
Sample
2cdb5edf3039863c30818ca34d9240cb0068ad33128895500721bcdca70c78fd.exe
Resource
win7-en-20211104
Behavioral task
behavioral22
Sample
2cdb5edf3039863c30818ca34d9240cb0068ad33128895500721bcdca70c78fd.exe
Resource
win10-en-20211014
Behavioral task
behavioral23
Sample
2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe
Resource
win7-en-20211104
Behavioral task
behavioral24
Sample
2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.exe
Resource
win10-en-20211014
Behavioral task
behavioral25
Sample
3a03530c732ebe53cdd7c17bee0988896d36c2b632dbd6118613697c2af82117.exe
Resource
win7-en-20211104
Behavioral task
behavioral26
Sample
3a03530c732ebe53cdd7c17bee0988896d36c2b632dbd6118613697c2af82117.exe
Resource
win10-en-20211014
Behavioral task
behavioral27
Sample
3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe
Resource
win7-en-20211104
Behavioral task
behavioral28
Sample
3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe
Resource
win10-en-20211014
Behavioral task
behavioral29
Sample
4ad9432cc817afa905bab2f16d4f713af42ea42f5e4fcf53e6d4b631a7d6da91.dll
Resource
win7-en-20211104
Behavioral task
behavioral30
Sample
4ad9432cc817afa905bab2f16d4f713af42ea42f5e4fcf53e6d4b631a7d6da91.dll
Resource
win10-en-20211104
Behavioral task
behavioral31
Sample
4be85e2083b64838fb66b92195a250228a721cdb5ae91817ea97b37aa53f4a2b.exe
Resource
win7-en-20211014
Behavioral task
behavioral32
Sample
4be85e2083b64838fb66b92195a250228a721cdb5ae91817ea97b37aa53f4a2b.exe
Resource
win10-en-20211104
General
-
Target
20742987e6f743814b25e214f8b2cd43111e2f60a8856a6cca87cafd85422f41.exe
-
Size
78KB
-
MD5
7b125a148ce0e0c126b95395dbf02b0e
-
SHA1
778f954480ca76029109fd6bf34904bfb1109e84
-
SHA256
20742987e6f743814b25e214f8b2cd43111e2f60a8856a6cca87cafd85422f41
-
SHA512
daaeb7e228a3d5c7717c58287539902e79215d9795dcb1459213f7d515392f53f16ac2f0d455e635e89addd321f4f68ccdad9f5af60f8f4d1759b7ddf5409cf9
Malware Config
Extracted
C:\WRLMMTHME.README.txt
blackmatter
http://supp24maprinktc7uizgfyqhisx7lkszb6ogh6lwdzpac23w3mh4tvyd.onion/LEOYRMQLSRHFGFGYWF2T5
Signatures
-
BlackMatter Ransomware
BlackMatter ransomware group claims to be Darkside and REvil succesor.
-
suricata: ET MALWARE BlackMatter CnC Activity
suricata: ET MALWARE BlackMatter CnC Activity
-
suricata: ET MALWARE BlackMatter CnC Domain in DNS Lookup (mojobiden .com)
suricata: ET MALWARE BlackMatter CnC Domain in DNS Lookup (mojobiden .com)
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suricata: ET MALWARE BlackMatter CnC Domain in DNS Lookup (nowautomation .com)
suricata: ET MALWARE BlackMatter CnC Domain in DNS Lookup (nowautomation .com)
-
Modifies extensions of user files 13 IoCs
Ransomware generally changes the extension on encrypted files.
description ioc Process File opened for modification C:\Users\Admin\Pictures\RestoreBlock.tiff 20742987e6f743814b25e214f8b2cd43111e2f60a8856a6cca87cafd85422f41.exe File opened for modification C:\Users\Admin\Pictures\RestoreBlock.tiff.WRLMMTHME 20742987e6f743814b25e214f8b2cd43111e2f60a8856a6cca87cafd85422f41.exe File opened for modification C:\Users\Admin\Pictures\ConvertToSelect.tiff.WRLMMTHME 20742987e6f743814b25e214f8b2cd43111e2f60a8856a6cca87cafd85422f41.exe File opened for modification C:\Users\Admin\Pictures\DenyBackup.tif.WRLMMTHME 20742987e6f743814b25e214f8b2cd43111e2f60a8856a6cca87cafd85422f41.exe File renamed C:\Users\Admin\Pictures\EnableBackup.png => C:\Users\Admin\Pictures\EnableBackup.png.WRLMMTHME 20742987e6f743814b25e214f8b2cd43111e2f60a8856a6cca87cafd85422f41.exe File opened for modification C:\Users\Admin\Pictures\ConvertToSelect.tiff 20742987e6f743814b25e214f8b2cd43111e2f60a8856a6cca87cafd85422f41.exe File renamed C:\Users\Admin\Pictures\ConvertToSelect.tiff => C:\Users\Admin\Pictures\ConvertToSelect.tiff.WRLMMTHME 20742987e6f743814b25e214f8b2cd43111e2f60a8856a6cca87cafd85422f41.exe File renamed C:\Users\Admin\Pictures\DenyBackup.tif => C:\Users\Admin\Pictures\DenyBackup.tif.WRLMMTHME 20742987e6f743814b25e214f8b2cd43111e2f60a8856a6cca87cafd85422f41.exe File opened for modification C:\Users\Admin\Pictures\EnableBackup.png.WRLMMTHME 20742987e6f743814b25e214f8b2cd43111e2f60a8856a6cca87cafd85422f41.exe File renamed C:\Users\Admin\Pictures\RestoreBlock.tiff => C:\Users\Admin\Pictures\RestoreBlock.tiff.WRLMMTHME 20742987e6f743814b25e214f8b2cd43111e2f60a8856a6cca87cafd85422f41.exe File opened for modification C:\Users\Admin\Pictures\ClearDisconnect.tiff 20742987e6f743814b25e214f8b2cd43111e2f60a8856a6cca87cafd85422f41.exe File renamed C:\Users\Admin\Pictures\ClearDisconnect.tiff => C:\Users\Admin\Pictures\ClearDisconnect.tiff.WRLMMTHME 20742987e6f743814b25e214f8b2cd43111e2f60a8856a6cca87cafd85422f41.exe File opened for modification C:\Users\Admin\Pictures\ClearDisconnect.tiff.WRLMMTHME 20742987e6f743814b25e214f8b2cd43111e2f60a8856a6cca87cafd85422f41.exe -
Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\Z: 20742987e6f743814b25e214f8b2cd43111e2f60a8856a6cca87cafd85422f41.exe -
Sets desktop wallpaper using registry 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\WRLMMTHME.bmp" 20742987e6f743814b25e214f8b2cd43111e2f60a8856a6cca87cafd85422f41.exe Set value (str) \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\WRLMMTHME.bmp" 20742987e6f743814b25e214f8b2cd43111e2f60a8856a6cca87cafd85422f41.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs
pid Process 4044 20742987e6f743814b25e214f8b2cd43111e2f60a8856a6cca87cafd85422f41.exe 4044 20742987e6f743814b25e214f8b2cd43111e2f60a8856a6cca87cafd85422f41.exe 4044 20742987e6f743814b25e214f8b2cd43111e2f60a8856a6cca87cafd85422f41.exe 4044 20742987e6f743814b25e214f8b2cd43111e2f60a8856a6cca87cafd85422f41.exe 4044 20742987e6f743814b25e214f8b2cd43111e2f60a8856a6cca87cafd85422f41.exe 4044 20742987e6f743814b25e214f8b2cd43111e2f60a8856a6cca87cafd85422f41.exe -
Modifies Control Panel 3 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Control Panel\International 20742987e6f743814b25e214f8b2cd43111e2f60a8856a6cca87cafd85422f41.exe Key created \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Control Panel\Desktop 20742987e6f743814b25e214f8b2cd43111e2f60a8856a6cca87cafd85422f41.exe Set value (str) \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Control Panel\Desktop\WallpaperStyle = "10" 20742987e6f743814b25e214f8b2cd43111e2f60a8856a6cca87cafd85422f41.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4044 20742987e6f743814b25e214f8b2cd43111e2f60a8856a6cca87cafd85422f41.exe 4044 20742987e6f743814b25e214f8b2cd43111e2f60a8856a6cca87cafd85422f41.exe 4044 20742987e6f743814b25e214f8b2cd43111e2f60a8856a6cca87cafd85422f41.exe 4044 20742987e6f743814b25e214f8b2cd43111e2f60a8856a6cca87cafd85422f41.exe -
Suspicious use of AdjustPrivilegeToken 17 IoCs
description pid Process Token: SeBackupPrivilege 4044 20742987e6f743814b25e214f8b2cd43111e2f60a8856a6cca87cafd85422f41.exe Token: SeDebugPrivilege 4044 20742987e6f743814b25e214f8b2cd43111e2f60a8856a6cca87cafd85422f41.exe Token: 36 4044 20742987e6f743814b25e214f8b2cd43111e2f60a8856a6cca87cafd85422f41.exe Token: SeImpersonatePrivilege 4044 20742987e6f743814b25e214f8b2cd43111e2f60a8856a6cca87cafd85422f41.exe Token: SeIncBasePriorityPrivilege 4044 20742987e6f743814b25e214f8b2cd43111e2f60a8856a6cca87cafd85422f41.exe Token: SeIncreaseQuotaPrivilege 4044 20742987e6f743814b25e214f8b2cd43111e2f60a8856a6cca87cafd85422f41.exe Token: 33 4044 20742987e6f743814b25e214f8b2cd43111e2f60a8856a6cca87cafd85422f41.exe Token: SeManageVolumePrivilege 4044 20742987e6f743814b25e214f8b2cd43111e2f60a8856a6cca87cafd85422f41.exe Token: SeProfSingleProcessPrivilege 4044 20742987e6f743814b25e214f8b2cd43111e2f60a8856a6cca87cafd85422f41.exe Token: SeRestorePrivilege 4044 20742987e6f743814b25e214f8b2cd43111e2f60a8856a6cca87cafd85422f41.exe Token: SeSecurityPrivilege 4044 20742987e6f743814b25e214f8b2cd43111e2f60a8856a6cca87cafd85422f41.exe Token: SeSystemProfilePrivilege 4044 20742987e6f743814b25e214f8b2cd43111e2f60a8856a6cca87cafd85422f41.exe Token: SeTakeOwnershipPrivilege 4044 20742987e6f743814b25e214f8b2cd43111e2f60a8856a6cca87cafd85422f41.exe Token: SeShutdownPrivilege 4044 20742987e6f743814b25e214f8b2cd43111e2f60a8856a6cca87cafd85422f41.exe Token: SeBackupPrivilege 1308 vssvc.exe Token: SeRestorePrivilege 1308 vssvc.exe Token: SeAuditPrivilege 1308 vssvc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\20742987e6f743814b25e214f8b2cd43111e2f60a8856a6cca87cafd85422f41.exe"C:\Users\Admin\AppData\Local\Temp\20742987e6f743814b25e214f8b2cd43111e2f60a8856a6cca87cafd85422f41.exe"1⤵
- Modifies extensions of user files
- Enumerates connected drives
- Sets desktop wallpaper using registry
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Modifies Control Panel
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4044
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1308