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Overview

overview

10

Static

static

10

53d606ea6c...62.exe

windows7_x64

10

53d606ea6c...62.exe

windows10-2004_x64

10

Resubmissions

15/02/2022, 03:50

220215-ed4qhsafe5 10

15/02/2022, 02:39

220215-c5e55acbcm 10

Analysis

  • max time kernel
    86s
  • max time network
    86s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    15/02/2022, 03:50

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General

  • Target

    53d606ea6cea8fba9ca4fdd1af411c1212ad20678cd22a43697c4b8e9b371f62.exe

  • Size

    129KB

  • MD5

    ed2fd6050340ecc464621137c7add3ad

  • SHA1

    07adc67a3c72e76127ced9c0d72cea32b40d5c55

  • SHA256

    53d606ea6cea8fba9ca4fdd1af411c1212ad20678cd22a43697c4b8e9b371f62

  • SHA512

    b8aff1b7953baf328f3b076afe81318c940925d71bbfec70987b5c9cc660baba747166506e453b88aa8212a887229cfa4e01c85d157d0b1a051c8e3ad0813e44

Score
10/10
targetcompanyevasionransomware

Malware Config

Extracted

Path

C:\$Recycle.Bin\How to decrypt files.txt

Family

targetcompany

Ransom Note
Your personal identifier: CAR8FNNCXM All files on Carone and Company Inc network have been encrypted due to insufficient security. The only way to quickly and reliably regain access to your files is to contact us. The price depends on how fast you write to us. In other cases, you risk losing your time and access to data. Usually time is much more valuable than money. In addition to encryption, we downloaded 700 gb of data from your network, which, if we do not negotiate, could fall into the hands of third parties and cause damage to your reputation. FAQ Q: How to contact us A: * Download Tor Browser - https://www.torproject.org/ * Open link in Tor Browser http://jnjorcburoayrwfrmnq3czngju76wdjyuyufqaep6joutvidohuh24ad.onion/contact * Follow the instructions on the website. Q: What guarantees? A: Before paying, we can decrypt several of your test files. Files should not contain valuable information. Q: Can I decrypt my data for free or through intermediaries? A: Use third party programs and intermediaries at your own risk. Third party software may cause permanent data loss. Decryption of your files with the help of third parties may cause increased price or you can become a victim of a scam. �
URLs

http://jnjorcburoayrwfrmnq3czngju76wdjyuyufqaep6joutvidohuh24ad.onion/contact

Signatures

  • TargetCompany

    Ransomware which encrypts files using a combination of ChaCha20, AES-128, and Curve25519, first seen in June 2021.

    ransomwaretargetcompany
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
    ransomwareevasion
  • Modifies extensions of user files 10 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Enumerates connected drives 3 TTPs 24 IoCs

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

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 8 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Interacts with shadow copies 2 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

    ransomware
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\53d606ea6cea8fba9ca4fdd1af411c1212ad20678cd22a43697c4b8e9b371f62.exe
    "C:\Users\Admin\AppData\Local\Temp\53d606ea6cea8fba9ca4fdd1af411c1212ad20678cd22a43697c4b8e9b371f62.exe"
    1⤵
    • Modifies extensions of user files
    • Checks computer location settings
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:792
    • C:\Windows\system32\vssadmin.exe
      "C:\Windows\sysnative\vssadmin.exe" delete shadows /all /quiet
      2⤵
      • Interacts with shadow copies
      PID:1144
    • C:\Windows\system32\cmd.exe
      "C:\Windows\sysnative\cmd.exe" /c bcdedit /set {current} bootstatuspolicy ignoreallfailures
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:636
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {current} bootstatuspolicy ignoreallfailures
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:3164
    • C:\Windows\system32\cmd.exe
      "C:\Windows\sysnative\cmd.exe" /c bcdedit /set {current} recoveryenabled no
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1176
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {current} recoveryenabled no
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:1852
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3680
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:1436
  • C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
    C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:4380

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1436-130-0x0000026E53BA0000-0x0000026E53BB0000-memory.dmp

    Filesize

    64KB

    Download

  • memory/1436-131-0x0000026E542F0000-0x0000026E54300000-memory.dmp

    Filesize

    64KB

    Download

  • memory/1436-132-0x0000026E56820000-0x0000026E56824000-memory.dmp

    Filesize

    16KB

    Download