Overview

overview

10

Static

static

1

.html

windows10-2004-x64

10

Sharing

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General

  • Target

    .

  • Size

    147KB

  • Sample

    240503-rmnrwaca85

  • MD5

    af35f77e2fd07e35963068ce1b69b98e

  • SHA1

    3dcfc3ea53c485c08fe4b25024d873eb3314e555

  • SHA256

    fc16fdab7b941066c019b8bd0e10e783ffd90f136919a2d030e86e57fa47938e

  • SHA512

    80be7c7f321900d09377fdb8110b30ba010f2fca6e68ea32d2fe5f75c8db39e1439085bc1660183e91f07264742edfe0e2effe2f6c882fd3e94005153b0b4cf9

  • SSDEEP

    1536:o6kud8LonVJoqYarK4DsYNgRyypRMPuNPV5nPztP4FPfaParP8R4DJ2PWTllU0ru:lkPL6WVMllhAY9HhqiS

Score
10/10
dharmadefense_evasionexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Targets

    • Target

      .

    • Size

      147KB

    • MD5

      af35f77e2fd07e35963068ce1b69b98e

    • SHA1

      3dcfc3ea53c485c08fe4b25024d873eb3314e555

    • SHA256

      fc16fdab7b941066c019b8bd0e10e783ffd90f136919a2d030e86e57fa47938e

    • SHA512

      80be7c7f321900d09377fdb8110b30ba010f2fca6e68ea32d2fe5f75c8db39e1439085bc1660183e91f07264742edfe0e2effe2f6c882fd3e94005153b0b4cf9

    • SSDEEP

      1536:o6kud8LonVJoqYarK4DsYNgRyypRMPuNPV5nPztP4FPfaParP8R4DJ2PWTllU0ru:lkPL6WVMllhAY9HhqiS

    Score
    10/10
    dharmadefense_evasionexecutionimpactpersistenceransomwarespywarestealer

    • 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.

      ransomwaredefense_evasionimpactexecution

    • Renames multiple (521) files with added filename extension

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

      ransomware

    • Downloads MZ/PE file

    • Deletes itself

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • 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)

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    behavioral1

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Windows Management Instrumentation

1
T1047

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

Query Registry

3
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

3
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Inhibit System Recovery

2
T1490

Resource Development

Reconnaissance

Tasks