Overview

overview

10

Static

static

fss.exe

windows7_x64

10

fss.exe

windows10_x64

10

Sharing

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General

  • Target

    fss.exe

  • Size

    92KB

  • Sample

    200626-kmr433x3hs

  • MD5

    23225afa88a61b262ee6bfe8a0b0b9bb

  • SHA1

    a360d8a90f35299dd37232ed9a1b7ac284e06e32

  • SHA256

    a49742e72ca26d37e26962ba7f2d929b87ddb6ce07f3304f78e9af499b226281

  • SHA512

    470898ca49f36928625d34878b9362193fa4a1051ef4a0e001dc325f71700d22366d66f781290930a9dcbc75d33b939e676342e7be5d95ee5c5bbefe9c92bf6d

Score
10/10
dharmaxmrigminerpersistenceransomwarespyware

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta

Ransom Note
YOUR FILES ARE ENCRYPTED Don't worry,you can return all your files! If you want to restore them, follow this link: email [email protected] YOUR ID If you have not been answered via the link within 12 hours, write to us by e-mail: [email protected] Attention! Do not rename encrypted files. Do not try to decrypt your data using third party software, it may cause permanent data loss. Decryption of your files with the help of third parties may cause increased price (they add their fee to our) or you can become a victim of a scam.

Targets

    • Target

      fss.exe

    • Size

      92KB

    • MD5

      23225afa88a61b262ee6bfe8a0b0b9bb

    • SHA1

      a360d8a90f35299dd37232ed9a1b7ac284e06e32

    • SHA256

      a49742e72ca26d37e26962ba7f2d929b87ddb6ce07f3304f78e9af499b226281

    • SHA512

      470898ca49f36928625d34878b9362193fa4a1051ef4a0e001dc325f71700d22366d66f781290930a9dcbc75d33b939e676342e7be5d95ee5c5bbefe9c92bf6d

    Score
    10/10
    dharmapersistenceransomwarespywarexmrigminer

    • Dharma

      Dharma is a ransomware that uses security software installation to hide malicious activities.

      ransomwaredharma

    • xmrig

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

      minerxmrig

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomware

    • 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

    • Adds Run key to start application

      persistence

    • Drops desktop.ini file(s)

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

File Deletion

2
T1107

Modify Registry

2
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Inhibit System Recovery

2
T1490

Tasks