General

  • Target

    121e3de90abf2278d3dba0701045616a.exe

  • Size

    1.6MB

  • Sample

    220925-ebmdfsdah2

  • MD5

    121e3de90abf2278d3dba0701045616a

  • SHA1

    5f1b0812c4c62f8e84ac02cede638ea65ef15e34

  • SHA256

    2b59699aca914b83391346f826e48c6f74f0208de0abdbf53773f82c35e9ff83

  • SHA512

    d0eb995ffcb6bddf4b795880fb98c10eda0f440abdc41aabc46a99c6654b953921788d773168a7c63b1da51b3344979d1d9d9934154c1529ffd8653d23a33487

  • SSDEEP

    49152:shNgwNHGuumlxR/uTxaMm3BMsP71Lx9N:85lDpjr9

Malware Config

Targets

    • Target

      121e3de90abf2278d3dba0701045616a.exe

    • Size

      1.6MB

    • MD5

      121e3de90abf2278d3dba0701045616a

    • SHA1

      5f1b0812c4c62f8e84ac02cede638ea65ef15e34

    • SHA256

      2b59699aca914b83391346f826e48c6f74f0208de0abdbf53773f82c35e9ff83

    • SHA512

      d0eb995ffcb6bddf4b795880fb98c10eda0f440abdc41aabc46a99c6654b953921788d773168a7c63b1da51b3344979d1d9d9934154c1529ffd8653d23a33487

    • SSDEEP

      49152:shNgwNHGuumlxR/uTxaMm3BMsP71Lx9N:85lDpjr9

    • DcRat

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

    • Process spawned unexpected child process

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

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

    • Executes dropped EXE

    • Checks computer location settings

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

    • Reads user/profile data of web browsers

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

2
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

2
T1005

Tasks