Overview

overview

10

Static

static

decoderma@...om.exe

windows7_x64

10

decoderma@...om.exe

windows10_x64

10

Sharing

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General

  • Target

    decoderma@tutanota.com.exe

  • Size

    998KB

  • Sample

    200706-l4mr5ga3mx

  • MD5

    7bc5183b207888e9c01193fe2f1d0976

  • SHA1

    e679f69eb28ab3462cc308143d9d372b40d936d1

  • SHA256

    9e3d7b2163b865375d1b14a37c9130c55b9de8a6eb74b54f0d6f1a8b820eceae

  • SHA512

    ce38603c3e21a716124bc4cc627f3c983685849625ec2cec5a1391eb904a84dff8681204cc3944c73e19c4398ed37fb8658927ed0f953c037afea98eea989aaf

Score
10/10
ouroborosxmrigevasionminerransomwarespyware

Malware Config

Targets

    • Target

      decoderma@tutanota.com.exe

    • Size

      998KB

    • MD5

      7bc5183b207888e9c01193fe2f1d0976

    • SHA1

      e679f69eb28ab3462cc308143d9d372b40d936d1

    • SHA256

      9e3d7b2163b865375d1b14a37c9130c55b9de8a6eb74b54f0d6f1a8b820eceae

    • SHA512

      ce38603c3e21a716124bc4cc627f3c983685849625ec2cec5a1391eb904a84dff8681204cc3944c73e19c4398ed37fb8658927ed0f953c037afea98eea989aaf

    Score
    10/10
    ouroborosxmrigevasionminerransomwarespyware

    • Ouroboros/Zeropadypt

      Ransomware family based on open-source CryptoWire.

      ransomwareouroboros

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

      minerxmrig

    • Drops file in Drivers directory

    • 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.

      spyware

    • Drops desktop.ini file(s)

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Replication Through Removable Media

1
T1091

Execution

Persistence

Modify Existing Service

1
T1031

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1
T1081

Discovery

Lateral Movement

Replication Through Removable Media

1
T1091

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Tasks