Overview

overview

10

Static

static

10

3317daace7...8b.exe

windows7-x64

10

3317daace7...8b.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    129s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-12-2023 10:48

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General

  • Target

    3317daace715dc332622d883091cf68b.exe

  • Size

    72KB

  • MD5

    3317daace715dc332622d883091cf68b

  • SHA1

    02fa74523198ebc1db490bdc6f10a78a44c4e28b

  • SHA256

    e4fd947a781611c85ea2e5afa51b186de7f351026c28eb067ad70028acd72cda

  • SHA512

    2739769ddd079b6555ebb84204f46bf94317ef5351734bd2aad74b1ad53738f92e3e278ea74b22f9b17db2219e01c963e694e6e1aec52a6089eaba394ef331b2

  • SSDEEP

    1536:BICS4AgxwhjEO3r825exqkHYnKeGsXqsMt:q2SN3mxYnKr

Score
10/10
blackmatterransomware

Malware Config

Extracted

Path

C:\Users\PUOTcnKTQ.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
  • Renames multiple (152) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    ransomware
  • 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
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\3317daace715dc332622d883091cf68b.exe
    "C:\Users\Admin\AppData\Local\Temp\3317daace715dc332622d883091cf68b.exe"
    1⤵
    • Sets desktop wallpaper using registry
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Modifies Control Panel
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2088
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3536

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Defacement

1
T1491

Resource Development

Reconnaissance

Replay Monitor

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Downloads

  • C:\Users\PUOTcnKTQ.README.txt
    Filesize

    1KB

    MD5

    c4947c60a66a5f286be734256b7e6e8d

    SHA1

    7cd483bbe59972ff22b2c122c08548933e812b66

    SHA256

    5119a7a0a3c668d897f1e33f1b39f3c78396a057b3efa58858c4b86878cce373

    SHA512

    ec43f7e65055d471c5f78d9777c0de661690a51da2f905467177c8a433468a74f546d2cac32f3881b75cdbfeabbff4e3ceaef10e181cdb2b5ae70f06875b2565

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  • memory/2088-1-0x0000000000FA0000-0x0000000000FB0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/2088-0-0x0000000000FA0000-0x0000000000FB0000-memory.dmp
    Filesize

    64KB

    Download