Overview

overview

10

Static

static

1

873d16767e...8.html

windows10-2004-x64

Resubmissions

05-06-2024 15:48

240605-s8zxpsbb5y 1

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General

  • Target

    873d16767e0895ff109b2a2ae61335f5_JaffaCakes118

  • Size

    175KB

  • Sample

    240603-vy912aeg83

  • MD5

    873d16767e0895ff109b2a2ae61335f5

  • SHA1

    15ce4fd25f2709f3a3379a41e51337ddfa6c773c

  • SHA256

    77da860cd56ac35ea77e4768745a0c36a3662ad08fca31aa6a5ab1cec5c3d4e0

  • SHA512

    280efb73feb2b569444212a708be2e1d9432752ececc7302f4841235c6d76f3d50f2732f12d867b289f9c881a282abf5709918435344d91948ee7570a2d436f5

  • SSDEEP

    1536:SqtY8hd8Wu8pI8Cd8hd8dQg0H//3oS34GNkFjYfBCJisl+aeTH+WK/Lf1/hmnVSV:SBoT34/F6BCJiZm

Score
10/10
dharmadefense_evasionevasionexecutionimpactpersistenceransomwarespywarestealertrojanupx

Malware Config

Targets

    • Target

      873d16767e0895ff109b2a2ae61335f5_JaffaCakes118

    • Size

      175KB

    • MD5

      873d16767e0895ff109b2a2ae61335f5

    • SHA1

      15ce4fd25f2709f3a3379a41e51337ddfa6c773c

    • SHA256

      77da860cd56ac35ea77e4768745a0c36a3662ad08fca31aa6a5ab1cec5c3d4e0

    • SHA512

      280efb73feb2b569444212a708be2e1d9432752ececc7302f4841235c6d76f3d50f2732f12d867b289f9c881a282abf5709918435344d91948ee7570a2d436f5

    • SSDEEP

      1536:SqtY8hd8Wu8pI8Cd8hd8dQg0H//3oS34GNkFjYfBCJisl+aeTH+WK/Lf1/hmnVSV:SBoT34/F6BCJiZm

    Score
    10/10
    dharmadefense_evasionevasionexecutionimpactpersistenceransomwarespywarestealertrojanupx

    • Dharma

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

      ransomwaredharma

    • UAC bypass

      evasiontrojan

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Renames multiple (530) files with added filename extension

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

      ransomware

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Checks computer location settings

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

    • 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

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • 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

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Modify Registry

3
T1112

Indicator Removal

2
T1070

File Deletion

2
T1070.004

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

2
T1012

System Information Discovery

4
T1082

Remote System Discovery

1
T1018

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