Overview

overview

10

Static

static

10

e4fd947a78...da.exe

windows7_x64

5

e4fd947a78...da.exe

windows10_x64

10

Analysis

  • max time kernel
    24s
  • max time network
    117s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    17-08-2021 16:00

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General

  • Target

    e4fd947a781611c85ea2e5afa51b186de7f351026c28eb067ad70028acd72cda.exe

  • Size

    72KB

  • MD5

    3317daace715dc332622d883091cf68b

  • SHA1

    02fa74523198ebc1db490bdc6f10a78a44c4e28b

  • SHA256

    e4fd947a781611c85ea2e5afa51b186de7f351026c28eb067ad70028acd72cda

  • SHA512

    2739769ddd079b6555ebb84204f46bf94317ef5351734bd2aad74b1ad53738f92e3e278ea74b22f9b17db2219e01c963e694e6e1aec52a6089eaba394ef331b2

Score
10/10
blackmatterransomware

Malware Config

Extracted

Path

C:\UCzUExPUL.README.txt

Family

blackmatter

Ransom Note
~+ * + ' BLACK | () .-.,='``'=. - o - '=/_ \ | * | '=._ | \ `=./`, ' . '=.__.=' `=' * + Matter + O * ' . >>> Hello B&G International >>> 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/RSW33BDOYPLWM78U9A09BZDI >>> Warning! Recovery recommendations. We strongly recommend you to do not MODIFY or REPAIR your files, that will damage them.
URLs

http://supp24maprinktc7uizgfyqhisx7lkszb6ogh6lwdzpac23w3mh4tvyd.onion/RSW33BDOYPLWM78U9A09BZDI

Signatures

  • BlackMatter Ransomware

    BlackMatter ransomware group claims to be Darkside and REvil succesor.

    ransomwareblackmatter
  • Modifies extensions of user files 10 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\e4fd947a781611c85ea2e5afa51b186de7f351026c28eb067ad70028acd72cda.exe
    "C:\Users\Admin\AppData\Local\Temp\e4fd947a781611c85ea2e5afa51b186de7f351026c28eb067ad70028acd72cda.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:912
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:420

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

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

Defacement

1
T1491

Replay Monitor

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Downloads

  • memory/912-114-0x00000000029D3000-0x00000000029D5000-memory.dmp
    Filesize

    8KB

    Download
  • memory/912-115-0x00000000029D0000-0x00000000029D1000-memory.dmp
    Filesize

    4KB

    Download