blackmatter | 4524784688e60313b8fefdebde441ca447c1330d90b86885fb55d099071c6ec9

General

Target

4524784688e60313b8fefdebde441ca447c1330d90b86885fb55d099071c6ec9.ps1
Size

802KB
MD5

3721485def21e7efbb418b3502ebc000
SHA1

6ce90543099f44f06b9151524c22e497777ed026
SHA256

4524784688e60313b8fefdebde441ca447c1330d90b86885fb55d099071c6ec9
SHA512

a0a8508afe73cf442c54adaa504e61d106127daa39f61a7400c773e0d21512eaff5c4a93c9497bf3f207aa0be3c48f212c03c6f53f212b89bf7783e7a032c211

Score

10^/10

blackmatter ransomware

Malware Config

Extracted

Path

C:\WRLMMTHME.README.txt

Family

blackmatter

Ransom Note

~+ * + ' BLACK | () .-.,='``'=. - o - '=/_ \ | * | '=._ | \ `=./`, ' . '=.__.=' `=' * + Matter + O * ' . >>> What happens? Your network is encrypted, and currently not operational. We need only money, after payment we will give you a decryptor for the entire network and you will restore all the data. >>> What guarantees? We are not a politically motivated group and we do not need anything other than your money. If you pay, we will provide you the programs for decryption and we will delete your data. If we do not give you decrypters or we do not delete your data, no one will pay us in the future, this does not comply with our goals. We always keep our promises. >>> How to contact with us? 1. Download and install TOR Browser (https://www.torproject.org/). 2. Open http://supp24maprinktc7uizgfyqhisx7lkszb6ogh6lwdzpac23w3mh4tvyd.onion/24HUMRRAZYQNDJ8A >>> Warning! Recovery recommendations. We strongly recommend you to do not MODIFY or REPAIR your files, that will damage them.

URLs

http://supp24maprinktc7uizgfyqhisx7lkszb6ogh6lwdzpac23w3mh4tvyd.onion/24HUMRRAZYQNDJ8A

Signatures

BlackMatter Ransomware
BlackMatter ransomware group claims to be Darkside and REvil succesor.
ransomware blackmatter
Blocklisted process makes network request 4 IoCs

Processes:

powershell.exe

flow pid process

25 1992 powershell.exe
26 1992 powershell.exe
27 1992 powershell.exe
28 1992 powershell.exe

flow	pid	process
25	1992	powershell.exe
26	1992	powershell.exe
27	1992	powershell.exe
28	1992	powershell.exe

Modifies extensions of user files 32 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

powershell.exe

description	ioc	process
File opened for modification	C:\Users\Admin\Pictures\SplitWrite.raw.WRLMMTHME	powershell.exe
File opened for modification	C:\Users\Admin\Pictures\StepRequest.tiff.WRLMMTHME	powershell.exe
File renamed	C:\Users\Admin\Pictures\LimitImport.tif => C:\Users\Admin\Pictures\LimitImport.tif.WRLMMTHME	powershell.exe
File renamed	C:\Users\Admin\Pictures\SplitStop.png => C:\Users\Admin\Pictures\SplitStop.png.WRLMMTHME	powershell.exe
File renamed	C:\Users\Admin\Pictures\GroupBackup.raw => C:\Users\Admin\Pictures\GroupBackup.raw.WRLMMTHME	powershell.exe
File opened for modification	C:\Users\Admin\Pictures\RegisterLock.tiff	powershell.exe
File opened for modification	C:\Users\Admin\Pictures\RegisterLock.tiff.WRLMMTHME	powershell.exe
File renamed	C:\Users\Admin\Pictures\SelectReset.tiff => C:\Users\Admin\Pictures\SelectReset.tiff.WRLMMTHME	powershell.exe
File renamed	C:\Users\Admin\Pictures\StepRequest.tiff => C:\Users\Admin\Pictures\StepRequest.tiff.WRLMMTHME	powershell.exe
File opened for modification	C:\Users\Admin\Pictures\SubmitInstall.crw.WRLMMTHME	powershell.exe
File renamed	C:\Users\Admin\Pictures\ClearEnable.tiff => C:\Users\Admin\Pictures\ClearEnable.tiff.WRLMMTHME	powershell.exe
File renamed	C:\Users\Admin\Pictures\CloseUnpublish.tif => C:\Users\Admin\Pictures\CloseUnpublish.tif.WRLMMTHME	powershell.exe
File renamed	C:\Users\Admin\Pictures\WriteExit.raw => C:\Users\Admin\Pictures\WriteExit.raw.WRLMMTHME	powershell.exe
File opened for modification	C:\Users\Admin\Pictures\GroupBackup.raw.WRLMMTHME	powershell.exe
File opened for modification	C:\Users\Admin\Pictures\InstallTest.raw.WRLMMTHME	powershell.exe
File renamed	C:\Users\Admin\Pictures\ResolveTrace.crw => C:\Users\Admin\Pictures\ResolveTrace.crw.WRLMMTHME	powershell.exe
File opened for modification	C:\Users\Admin\Pictures\ResolveTrace.crw.WRLMMTHME	powershell.exe
File opened for modification	C:\Users\Admin\Pictures\SplitStop.png.WRLMMTHME	powershell.exe
File opened for modification	C:\Users\Admin\Pictures\ClearEnable.tiff.WRLMMTHME	powershell.exe
File opened for modification	C:\Users\Admin\Pictures\CloseUnpublish.tif.WRLMMTHME	powershell.exe
File opened for modification	C:\Users\Admin\Pictures\ApproveEnter.png.WRLMMTHME	powershell.exe
File opened for modification	C:\Users\Admin\Pictures\StepRequest.tiff	powershell.exe
File renamed	C:\Users\Admin\Pictures\SplitWrite.raw => C:\Users\Admin\Pictures\SplitWrite.raw.WRLMMTHME	powershell.exe
File renamed	C:\Users\Admin\Pictures\InstallTest.raw => C:\Users\Admin\Pictures\InstallTest.raw.WRLMMTHME	powershell.exe
File opened for modification	C:\Users\Admin\Pictures\SelectReset.tiff.WRLMMTHME	powershell.exe
File opened for modification	C:\Users\Admin\Pictures\WriteExit.raw.WRLMMTHME	powershell.exe
File renamed	C:\Users\Admin\Pictures\RegisterLock.tiff => C:\Users\Admin\Pictures\RegisterLock.tiff.WRLMMTHME	powershell.exe
File opened for modification	C:\Users\Admin\Pictures\SelectReset.tiff	powershell.exe
File opened for modification	C:\Users\Admin\Pictures\ClearEnable.tiff	powershell.exe
File renamed	C:\Users\Admin\Pictures\SubmitInstall.crw => C:\Users\Admin\Pictures\SubmitInstall.crw.WRLMMTHME	powershell.exe
File renamed	C:\Users\Admin\Pictures\ApproveEnter.png => C:\Users\Admin\Pictures\ApproveEnter.png.WRLMMTHME	powershell.exe
File opened for modification	C:\Users\Admin\Pictures\LimitImport.tif.WRLMMTHME	powershell.exe

Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.

Query Registry
T1012

Peripheral Device Discovery
T1120

System Information Discovery
T1082

Processes:

powershell.exe

description ioc process

File opened (read-only) \??\Z: powershell.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs

Processes:

powershell.exe

pid process

1992 powershell.exe
1992 powershell.exe
1992 powershell.exe
1992 powershell.exe
1992 powershell.exe
1992 powershell.exe

description	ioc	process
File opened (read-only)	\??\Z:	powershell.exe

pid	process
1992	powershell.exe
1992	powershell.exe
1992	powershell.exe
1992	powershell.exe
1992	powershell.exe
1992	powershell.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

powershell.exepowershell.exe

pid	process
2668	powershell.exe
2668	powershell.exe
2668	powershell.exe
1992	powershell.exe
1992	powershell.exe
1992	powershell.exe
1992	powershell.exe
1992	powershell.exe
1992	powershell.exe
1992	powershell.exe

Suspicious use of AdjustPrivilegeToken 19 IoCs

Processes:

powershell.exepowershell.exevssvc.exe

description	pid	process
Token: SeDebugPrivilege	2668	powershell.exe
Token: SeDebugPrivilege	1992	powershell.exe
Token: SeBackupPrivilege	1992	powershell.exe
Token: SeDebugPrivilege	1992	powershell.exe
Token: 36	1992	powershell.exe
Token: SeImpersonatePrivilege	1992	powershell.exe
Token: SeIncBasePriorityPrivilege	1992	powershell.exe
Token: SeIncreaseQuotaPrivilege	1992	powershell.exe
Token: 33	1992	powershell.exe
Token: SeManageVolumePrivilege	1992	powershell.exe
Token: SeProfSingleProcessPrivilege	1992	powershell.exe
Token: SeRestorePrivilege	1992	powershell.exe
Token: SeSecurityPrivilege	1992	powershell.exe
Token: SeSystemProfilePrivilege	1992	powershell.exe
Token: SeTakeOwnershipPrivilege	1992	powershell.exe
Token: SeShutdownPrivilege	1992	powershell.exe
Token: SeBackupPrivilege	3328	vssvc.exe
Token: SeRestorePrivilege	3328	vssvc.exe
Token: SeAuditPrivilege	3328	vssvc.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

powershell.exe

description	pid	process	target process
PID 2668 wrote to memory of 1992	2668	powershell.exe	powershell.exe
PID 2668 wrote to memory of 1992	2668	powershell.exe	powershell.exe
PID 2668 wrote to memory of 1992	2668	powershell.exe	powershell.exe

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\4524784688e60313b8fefdebde441ca447c1330d90b86885fb55d099071c6ec9.ps1
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2668

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -ex bypass -NonI C:\Users\Admin\AppData\Local\Temp\4524784688e60313b8fefdebde441ca447c1330d90b86885fb55d099071c6ec9.ps1
2⤵
- Blocklisted process makes network request
- Modifies extensions of user files
- Enumerates connected drives
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1992

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3328

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
MD5
78b9754143f8cc8c9366ebf1722656f2

SHA1
e5f8a816261c9e17a5d1401da9f79ad62ae4f578

SHA256
be761887475622415f69ace9fe521fde1a6d4879ce40405ff562e1e63661cf01

SHA512
d35afd4fe81ac9b223df7e0a69593f9826d66b90a67c387ab18e89f6f82dc2bdee94a8c0f97558872e8a94821e29102949bbed027de73f227abca700ac005c0e

Download Submit
memory/1992-172-0x0000000004DB0000-0x0000000004DB1000-memory.dmp

Filesize
4KB

Download
memory/1992-173-0x00000000072B0000-0x00000000072B1000-memory.dmp

Filesize
4KB

Download
memory/1992-171-0x0000000004DB0000-0x0000000004DB1000-memory.dmp

Filesize
4KB

Download
memory/1992-437-0x000000000ACE0000-0x000000000B358000-memory.dmp

Filesize
6.5MB

Download
memory/1992-436-0x000000000ACE0000-0x000000000B358000-memory.dmp

Filesize
6.5MB

Download
memory/1992-435-0x0000000007316000-0x0000000007318000-memory.dmp

Filesize
8KB

Download
memory/1992-221-0x0000000007313000-0x0000000007314000-memory.dmp

Filesize
4KB

Download
memory/1992-220-0x000000007F7F0000-0x000000007F7F1000-memory.dmp

Filesize
4KB

Download
memory/1992-185-0x0000000004DB0000-0x0000000004DB1000-memory.dmp

Filesize
4KB

Download
memory/1992-175-0x0000000007310000-0x0000000007311000-memory.dmp

Filesize
4KB

Download
memory/1992-184-0x0000000008B80000-0x0000000008B81000-memory.dmp

Filesize
4KB

Download
memory/1992-183-0x0000000008690000-0x0000000008691000-memory.dmp

Filesize
4KB

Download
memory/1992-182-0x0000000008670000-0x0000000008671000-memory.dmp

Filesize
4KB

Download
memory/1992-180-0x00000000082E0000-0x00000000082E1000-memory.dmp

Filesize
4KB

Download
memory/1992-143-0x0000000000000000-mapping.dmp

Download
memory/1992-179-0x0000000008090000-0x0000000008091000-memory.dmp

Filesize
4KB

Download
memory/1992-178-0x0000000008270000-0x0000000008271000-memory.dmp

Filesize
4KB

Download
memory/1992-177-0x0000000007FF0000-0x0000000007FF1000-memory.dmp

Filesize
4KB

Download
memory/1992-176-0x0000000007312000-0x0000000007313000-memory.dmp

Filesize
4KB

Download
memory/1992-174-0x0000000007950000-0x0000000007951000-memory.dmp

Filesize
4KB

Download
memory/2668-125-0x0000020220360000-0x0000020220361000-memory.dmp

Filesize
4KB

Download
memory/2668-117-0x0000020204200000-0x0000020204202000-memory.dmp

Filesize
8KB

Download
memory/2668-119-0x0000020204200000-0x0000020204202000-memory.dmp

Filesize
8KB

Download
memory/2668-118-0x0000020204200000-0x0000020204202000-memory.dmp

Filesize
8KB

Download
memory/2668-170-0x0000020204200000-0x0000020204202000-memory.dmp

Filesize
8KB

Download
memory/2668-129-0x0000020204200000-0x0000020204202000-memory.dmp

Filesize
8KB

Download
memory/2668-116-0x0000020204200000-0x0000020204202000-memory.dmp

Filesize
8KB

Download
memory/2668-128-0x000002021E1D6000-0x000002021E1D8000-memory.dmp

Filesize
8KB

Download
memory/2668-127-0x000002021E1D3000-0x000002021E1D5000-memory.dmp

Filesize
8KB

Download
memory/2668-126-0x000002021E1D0000-0x000002021E1D2000-memory.dmp

Filesize
8KB

Download
memory/2668-124-0x0000020204200000-0x0000020204202000-memory.dmp

Filesize
8KB

Download
memory/2668-123-0x0000020204200000-0x0000020204202000-memory.dmp

Filesize
8KB

Download
memory/2668-121-0x0000020204200000-0x0000020204202000-memory.dmp

Filesize
8KB

Download
memory/2668-122-0x0000020204200000-0x0000020204202000-memory.dmp

Filesize
8KB

Download
memory/2668-120-0x00000202201B0000-0x00000202201B1000-memory.dmp

Filesize
4KB

Download
memory/2668-115-0x0000020204200000-0x0000020204202000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads