Overview

overview

10

Static

static

10

a2defbcf2c...6d.exe

windows7-x64

10

a2defbcf2c...6d.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a2defbcf2c896a3df3f3cdf612a6d2a82a7b40b82b3a4a561b775e67f11ef56d.exe

  • Size

    866KB

  • Sample

    240726-flkhaaxerl

  • MD5

    46d84050a5e6430175830f12e6c9580b

  • SHA1

    c461e610864e12f40e6c6ce1b6effc3e4dedca09

  • SHA256

    a2defbcf2c896a3df3f3cdf612a6d2a82a7b40b82b3a4a561b775e67f11ef56d

  • SHA512

    7b5b83d27778ae066bd400a8e09d95023339b8eed3a110a30bc44538b2a534ee4683139a9cf31b5fd3d5219cc1c6be0787604e9967a435e139c84a47cf3d0fff

  • SSDEEP

    12288:def6BEY7s9Z8ovT2RUUOKIiBAPIAIm61gCf9uSMnu54H6x:deq7s9Z2OK67E1gCluSTxx

Score
10/10
dcratevasioninfostealerrattrojan

Malware Config

Targets

    • Target

      a2defbcf2c896a3df3f3cdf612a6d2a82a7b40b82b3a4a561b775e67f11ef56d.exe

    • Size

      866KB

    • MD5

      46d84050a5e6430175830f12e6c9580b

    • SHA1

      c461e610864e12f40e6c6ce1b6effc3e4dedca09

    • SHA256

      a2defbcf2c896a3df3f3cdf612a6d2a82a7b40b82b3a4a561b775e67f11ef56d

    • SHA512

      7b5b83d27778ae066bd400a8e09d95023339b8eed3a110a30bc44538b2a534ee4683139a9cf31b5fd3d5219cc1c6be0787604e9967a435e139c84a47cf3d0fff

    • SSDEEP

      12288:def6BEY7s9Z8ovT2RUUOKIiBAPIAIm61gCf9uSMnu54H6x:deq7s9Z2OK67E1gCluSTxx

    Score
    10/10
    dcratevasioninfostealerrattrojan

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

      ratinfostealerdcrat

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • UAC bypass

      evasiontrojan

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

      rat

    • Checks computer location settings

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

    • Executes dropped EXE

    • Checks whether UAC is enabled

      evasiontrojan

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

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

2
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks