Overview

overview

10

Static

static

10

cb5a89a31a...le.exe

windows7_x64

10

cb5a89a31a...le.exe

windows10_x64

10

Analysis

  • max time kernel
    84s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    20-09-2021 12:44

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General

  • Target

    cb5a89a31a97f8d815776ff43f22f4fec00b32aae4f580080c7300875d991163.bin.sample.exe

  • Size

    79KB

  • MD5

    18b2fb7ecd32c80dc111eabfd58fc575

  • SHA1

    d91e95182e554b7eb39b20c7876b610c15bcac1a

  • SHA256

    cb5a89a31a97f8d815776ff43f22f4fec00b32aae4f580080c7300875d991163

  • SHA512

    44b43b8409de6a5827cb789261518c6d916c244599ea42e6b04965e4da8e5463e2bd70f80a444a2dfc5fd6b459f52c5023b2fd080aa8fbb1eea8f6d521071ad3

Score
10/10
blackmatterransomware

Malware Config

Extracted

Path

C:\UCzUExPUL.README.txt

Family

blackmatter

Ransom Note
~+ * + ' BLACK | () .-.,='``'=. - o - '=/_ \ | * | '=._ | \ `=./`, ' . '=.__.=' `=' * + Matter + O * ' . >>> Hello Eisvogel Hubert Bernegger GmbH >>> 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 data stolen? From your network was stolen of data. If you do not contact us we will publish all your data will send it to the biggest mass media and your customers. >>> 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/5PBOYRSETHVDBDPTL >>> Warning! Recovery recommendations. We strongly recommend you to do not MODIFY or REPAIR your files, that will damage them.
URLs

http://supp24maprinktc7uizgfyqhisx7lkszb6ogh6lwdzpac23w3mh4tvyd.onion/5PBOYRSETHVDBDPTL

Signatures

  • BlackMatter Ransomware

    BlackMatter ransomware group claims to be Darkside and REvil succesor.

    ransomwareblackmatter
  • Modifies extensions of user files 13 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
    ransomware
  • Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs
  • Modifies Control Panel 2 IoCs
    evasion
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cb5a89a31a97f8d815776ff43f22f4fec00b32aae4f580080c7300875d991163.bin.sample.exe
    "C:\Users\Admin\AppData\Local\Temp\cb5a89a31a97f8d815776ff43f22f4fec00b32aae4f580080c7300875d991163.bin.sample.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:3128
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:644

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3128-114-0x0000000000833000-0x0000000000835000-memory.dmp

    Filesize

    8KB

    Download

  • memory/3128-115-0x0000000000830000-0x0000000000831000-memory.dmp

    Filesize

    4KB

    Download