Overview

overview

10

Static

static

3

4b6c50231a...JC.exe

windows7-x64

10

4b6c50231a...JC.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4b6c50231a2189ab1a6c3e37d3560c3e_crysis_JC.exe

  • Size

    92KB

  • Sample

    230820-k358jaea87

  • MD5

    4b6c50231a2189ab1a6c3e37d3560c3e

  • SHA1

    51eb90e8a00bf4d0de37b4ede28b0923c0c506de

  • SHA256

    cdca8dda55c8fe2ff394fe8c848f440ed013d33234729032d56fdfa6b323c08a

  • SHA512

    1a0e5169645d805c7257793e99bc3746ee5256c1cb3c2a0263711720e37f68cadff77a5435b3275d24b802e51c72c6873325e0454c33122f2166b13dc949cce6

  • SSDEEP

    1536:mBwl+KXpsqN5vlwWYyhY9S4AAM0j/RHbyCNq/Z5O6TK:Qw+asqN5aW/hLa7jJ+V/Z5rW

Score
10/10
dharmapersistenceransomwarespywarestealer

Malware Config

Targets

    • Target

      4b6c50231a2189ab1a6c3e37d3560c3e_crysis_JC.exe

    • Size

      92KB

    • MD5

      4b6c50231a2189ab1a6c3e37d3560c3e

    • SHA1

      51eb90e8a00bf4d0de37b4ede28b0923c0c506de

    • SHA256

      cdca8dda55c8fe2ff394fe8c848f440ed013d33234729032d56fdfa6b323c08a

    • SHA512

      1a0e5169645d805c7257793e99bc3746ee5256c1cb3c2a0263711720e37f68cadff77a5435b3275d24b802e51c72c6873325e0454c33122f2166b13dc949cce6

    • SSDEEP

      1536:mBwl+KXpsqN5vlwWYyhY9S4AAM0j/RHbyCNq/Z5O6TK:Qw+asqN5aW/hLa7jJ+V/Z5rW

    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

    • Renames multiple (310) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Renames multiple (481) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • 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 v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Indicator Removal

2
T1070

File Deletion

2
T1070.004

Modify Registry

2
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

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

Resource Development

Reconnaissance

Tasks