blackmatter | 0d5d488ef072ca1c59920e5641758559deac8361ce3231e51f363aa8785a0b80

General

Target

c22a6401a415fe642f3d96f38a887dd8ad23dd83a9255ee89d9adf4650ab98da.ps1
Size

915KB
MD5

001bfe6f72fe64660ba498107c658bdc
SHA1

0946baf23e867f2564302b60f777db72a1244a30
SHA256

c22a6401a415fe642f3d96f38a887dd8ad23dd83a9255ee89d9adf4650ab98da
SHA512

32836eff8285a5a301be0b4410d34a73d99d4c04b38b0b67b937c1bc5ae6ab2d033a97089b6588c245371dfd8e95c420c8bbd3862a632a828122861e0ec839d3
SSDEEP

6144:jOi6qCQJ8O7sgPToY2z/VfuK5mUYfqssJkTZICCMg9ss2T4+FlS3NLbjADcx8xf:6i6qNmQ2ztfl5r/kFIHx9n7X3JjADcw

Score

10^/10

blackmatter a89e0e2e31db3e31a1e7a9630375f437 ransomware

Malware Config

Extracted

Family

blackmatter

Version

2.0

Botnet

a89e0e2e31db3e31a1e7a9630375f437

C2

https://fluentzip.org

http://fluentzip.org

Attributes

attempt_auth
false
create_mutex
true
encrypt_network_shares
true
exfiltrate
true
mount_volumes
true

rsa_pubkey.base64

aes.base64

Signatures

BlackMatter Ransomware
BlackMatter ransomware group claims to be Darkside and REvil succesor.
ransomware blackmatter

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2892	powershell.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2460	powershell.exe
2460	powershell.exe
2892	powershell.exe
2892	powershell.exe
2892	powershell.exe

Suspicious use of AdjustPrivilegeToken 16 IoCs

description	pid	Process
Token: SeDebugPrivilege	2460	powershell.exe
Token: SeDebugPrivilege	2892	powershell.exe
Token: SeBackupPrivilege	2892	powershell.exe
Token: SeDebugPrivilege	2892	powershell.exe
Token: 36	2892	powershell.exe
Token: SeImpersonatePrivilege	2892	powershell.exe
Token: SeIncBasePriorityPrivilege	2892	powershell.exe
Token: SeIncreaseQuotaPrivilege	2892	powershell.exe
Token: 33	2892	powershell.exe
Token: SeManageVolumePrivilege	2892	powershell.exe
Token: SeProfSingleProcessPrivilege	2892	powershell.exe
Token: SeRestorePrivilege	2892	powershell.exe
Token: SeSecurityPrivilege	2892	powershell.exe
Token: SeSystemProfilePrivilege	2892	powershell.exe
Token: SeTakeOwnershipPrivilege	2892	powershell.exe
Token: SeShutdownPrivilege	2892	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2460 wrote to memory of 2892	2460	powershell.exe	29
PID 2460 wrote to memory of 2892	2460	powershell.exe	29
PID 2460 wrote to memory of 2892	2460	powershell.exe	29
PID 2460 wrote to memory of 2892	2460	powershell.exe	29

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\c22a6401a415fe642f3d96f38a887dd8ad23dd83a9255ee89d9adf4650ab98da.ps1
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2460
- 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\c22a6401a415fe642f3d96f38a887dd8ad23dd83a9255ee89d9adf4650ab98da.ps1
  2⤵
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2892

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\ZSUI6QRQOD0HXKRUYX86.temp

Filesize
7KB

MD5
99fe9856dceedb77582b87d3c61282d6

SHA1
3782ab24d67c2236539183ba76471d21126218a0

SHA256
9aeaa148fb200ef437e4dd5eada6f9f0cf37eb390e7a80fafb3bda5d3d783edd

SHA512
689d8ea528e1da1d71d4e171335fbdd7d2a7c465600d25855156d2ea477b38546b3e9faa22716d08c1ab37372c4529b9aa5dec32d622736d74efd3b68232ad2a

Download Submit
memory/2460-4-0x000000001B2E0000-0x000000001B5C2000-memory.dmp

Filesize
2.9MB

Download
memory/2460-5-0x0000000002390000-0x0000000002398000-memory.dmp

Filesize
32KB

Download
memory/2460-6-0x000007FEF5560000-0x000007FEF5EFD000-memory.dmp

Filesize
9.6MB

Download
memory/2460-7-0x00000000022B0000-0x0000000002330000-memory.dmp

Filesize
512KB

Download
memory/2460-8-0x000007FEF5560000-0x000007FEF5EFD000-memory.dmp

Filesize
9.6MB

Download
memory/2460-9-0x00000000022B0000-0x0000000002330000-memory.dmp

Filesize
512KB

Download
memory/2460-10-0x00000000022B0000-0x0000000002330000-memory.dmp

Filesize
512KB

Download
memory/2460-11-0x00000000022B0000-0x0000000002330000-memory.dmp

Filesize
512KB

Download
memory/2460-12-0x000007FEF5560000-0x000007FEF5EFD000-memory.dmp

Filesize
9.6MB

Download
memory/2892-17-0x0000000002460000-0x00000000024A0000-memory.dmp

Filesize
256KB

Download
memory/2892-22-0x0000000002460000-0x00000000024A0000-memory.dmp

Filesize
256KB

Download
memory/2892-15-0x0000000073DE0000-0x000000007438B000-memory.dmp

Filesize
5.7MB

Download
memory/2892-18-0x0000000002460000-0x00000000024A0000-memory.dmp

Filesize
256KB

Download
memory/2892-19-0x0000000002460000-0x00000000024A0000-memory.dmp

Filesize
256KB

Download
memory/2892-20-0x0000000073DE0000-0x000000007438B000-memory.dmp

Filesize
5.7MB

Download
memory/2892-21-0x0000000073DE0000-0x000000007438B000-memory.dmp

Filesize
5.7MB

Download
memory/2892-16-0x0000000073DE0000-0x000000007438B000-memory.dmp

Filesize
5.7MB

Download
memory/2892-23-0x0000000005030000-0x0000000005049000-memory.dmp

Filesize
100KB

Download
memory/2892-29-0x0000000002460000-0x00000000024A0000-memory.dmp

Filesize
256KB

Download
memory/2892-30-0x0000000005030000-0x0000000005049000-memory.dmp

Filesize
100KB

Download
memory/2892-31-0x000000000AF00000-0x000000000AF40000-memory.dmp

Filesize
256KB

Download
memory/2892-41-0x0000000073DE0000-0x000000007438B000-memory.dmp

Filesize
5.7MB

Download
memory/2892-42-0x000000000AF00000-0x000000000AF40000-memory.dmp

Filesize
256KB

Download

Analysis

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