Overview

overview

10

Static

static

10

9943942BF1...AC.exe

windows7-x64

10

9943942BF1...AC.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    9943942BF1ECA23FF0436ACD54810DC44DFF46CA3A8AC.exe

  • Size

    1.1MB

  • Sample

    230325-h9h1gadh2x

  • MD5

    b85703c0702978331fc74eabbaac9eaa

  • SHA1

    866687b8ae839026dd450da4503129a68943dfe8

  • SHA256

    9943942bf1eca23ff0436acd54810dc44dff46ca3a8ac3e71d99152e52ae87d4

  • SHA512

    f5c995d4a3f627781c844d2982bf420a3fd631fb1df0951a8c168ea648f3d52ad033f8413e1acb390fbfea2666a71a7918a4612a0cbed3f6ad9abf1b5a4a7452

  • SSDEEP

    12288:KvP1CSBQksGMBHEf+5GRKvtqfnfxfH1v+5UW2CBxoyIYO3NQefsUZL+0w0qn4:KESBjfRKoffx9QfISeU/0w0+4

Score
10/10
dcratinfostealerpersistencerat

Malware Config

Targets

    • Target

      9943942BF1ECA23FF0436ACD54810DC44DFF46CA3A8AC.exe

    • Size

      1.1MB

    • MD5

      b85703c0702978331fc74eabbaac9eaa

    • SHA1

      866687b8ae839026dd450da4503129a68943dfe8

    • SHA256

      9943942bf1eca23ff0436acd54810dc44dff46ca3a8ac3e71d99152e52ae87d4

    • SHA512

      f5c995d4a3f627781c844d2982bf420a3fd631fb1df0951a8c168ea648f3d52ad033f8413e1acb390fbfea2666a71a7918a4612a0cbed3f6ad9abf1b5a4a7452

    • SSDEEP

      12288:KvP1CSBQksGMBHEf+5GRKvtqfnfxfH1v+5UW2CBxoyIYO3NQefsUZL+0w0qn4:KESBjfRKoffx9QfISeU/0w0+4

    Score
    10/10
    dcratinfostealerpersistencerat

    • 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.

    • 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

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

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

1
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks