Overview

overview

10

Static

static

1

1sass.bin.exe

windows7-x64

10

1sass.bin.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    1sass.bin.exe

  • Size

    92KB

  • Sample

    230311-fltqysad4s

  • MD5

    0880430c257ce49d7490099d2a8dd01a

  • SHA1

    2720d2d386027b0036bfcf9f340e325cd348e0d0

  • SHA256

    056c3790765f928e991591cd139384b6680df26313a73711add657abc369028c

  • SHA512

    0d7676f62b682d41fb0fe355119631a232e5d2ec99a5a0b782bbe557936a3226bbcce1a6effbba0cffde7ec048c4f7540aef0c38f158429de0adc1687bd73a11

  • SSDEEP

    1536:mBwl+KXpsqN5vlwWYyhY9S4AUURxvunaBCgUvZ2Yqwt10U:Qw+asqN5aW/hLKYxvjTGYyH

Score
10/10
dharmapersistenceransomwarespywarestealer

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 decrypt@files.mn YOUR ID If you have not been answered via the link within 12 hours, write to us by e-mail: decrypt@files.mn 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.
Emails

decrypt@files.mn

Targets

    • Target

      1sass.bin.exe

    • Size

      92KB

    • MD5

      0880430c257ce49d7490099d2a8dd01a

    • SHA1

      2720d2d386027b0036bfcf9f340e325cd348e0d0

    • SHA256

      056c3790765f928e991591cd139384b6680df26313a73711add657abc369028c

    • SHA512

      0d7676f62b682d41fb0fe355119631a232e5d2ec99a5a0b782bbe557936a3226bbcce1a6effbba0cffde7ec048c4f7540aef0c38f158429de0adc1687bd73a11

    • SSDEEP

      1536:mBwl+KXpsqN5vlwWYyhY9S4AUURxvunaBCgUvZ2Yqwt10U:Qw+asqN5aW/hLKYxvjTGYyH

    Score
    10/10
    dharmapersistenceransomwarespywarestealer

    • Dharma

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

      ransomwaredharma

    • 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

    • Checks computer location settings

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

    • Drops startup file

    • Reads user/profile data of web browsers

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

      spywarestealer

    • 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

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Inhibit System Recovery

2
T1490

Tasks