Overview

overview

10

Static

static

c3a3acd824...aa.exe

windows7_x64

10

c3a3acd824...aa.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    c3a3acd8241a5fa5c2f2d596e7b8aecb0e427e7b399ee5ef6c7dfea8d86ebdaa

  • Size

    1011KB

  • Sample

    220524-z57lpsccfk

  • MD5

    73528b74e4edb1c32a4d88abe34ae437

  • SHA1

    b97c0fc8a34e88c03704e43829c550d765398a3c

  • SHA256

    c3a3acd8241a5fa5c2f2d596e7b8aecb0e427e7b399ee5ef6c7dfea8d86ebdaa

  • SHA512

    523cd56a44e91fc3084b76d68dbce6e77dac190716833cce455d2091894b403def7132475ec748b0d26fed90a4fcfc5d5f65f0eba098bc7d8ac4853ae9e547ec

Score
10/10
ouroborosevasionransomwarespywarestealer

Malware Config

Targets

    • Target

      c3a3acd8241a5fa5c2f2d596e7b8aecb0e427e7b399ee5ef6c7dfea8d86ebdaa

    • Size

      1011KB

    • MD5

      73528b74e4edb1c32a4d88abe34ae437

    • SHA1

      b97c0fc8a34e88c03704e43829c550d765398a3c

    • SHA256

      c3a3acd8241a5fa5c2f2d596e7b8aecb0e427e7b399ee5ef6c7dfea8d86ebdaa

    • SHA512

      523cd56a44e91fc3084b76d68dbce6e77dac190716833cce455d2091894b403def7132475ec748b0d26fed90a4fcfc5d5f65f0eba098bc7d8ac4853ae9e547ec

    Score
    10/10
    ouroborosevasionransomwarespywarestealer

    • Ouroboros/Zeropadypt

      Ransomware family based on open-source CryptoWire.

      ransomwareouroboros

    • Modifies Windows Firewall

      evasion

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

      ransomware

    • Drops startup file

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Drops desktop.ini file(s)

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1
T1031

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1
T1081

Discovery

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Tasks