Overview

overview

10

Static

static

10

Nursultan.exe

windows7-x64

10

Nursultan.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    Nursultan.exe

  • Size

    1.4MB

  • Sample

    240703-w8fqlsscrr

  • MD5

    1b6293c7f0dfed044b0eba8b98b0faff

  • SHA1

    e5705cbb256bb0b1a350e1b9fb71c1a1e4ac605a

  • SHA256

    fe014092ae92e8372849bed9f5cf33946e8d918bdc50feddc1316bc837414ba8

  • SHA512

    694e9afd04089172c991a712849049545459ceeed99780a6f012ca086fa2d1b70bbd627534b85b1797f4be22feda55e46e6966fe96a2ee66effdeeaa2eb650a5

  • SSDEEP

    24576:d2G/nvxW3WckpJWjXbNQsVZy8v8BQSsZWcJ48z2AB4:dbA3wvW+sVZy8fZWmz9

Score
10/10
44caliberdcratinfostealerratstealer

Malware Config

Extracted

Family

44caliber

C2

https://discord.com/api/webhooks/1253689379948593173/lzPh5dDD7ETWYLRPMt2M_Ml82yS42YxolYTwBWldi4NXuLOvpMPhz7AlFtFln1RxcqaC

Targets

    • Target

      Nursultan.exe

    • Size

      1.4MB

    • MD5

      1b6293c7f0dfed044b0eba8b98b0faff

    • SHA1

      e5705cbb256bb0b1a350e1b9fb71c1a1e4ac605a

    • SHA256

      fe014092ae92e8372849bed9f5cf33946e8d918bdc50feddc1316bc837414ba8

    • SHA512

      694e9afd04089172c991a712849049545459ceeed99780a6f012ca086fa2d1b70bbd627534b85b1797f4be22feda55e46e6966fe96a2ee66effdeeaa2eb650a5

    • SSDEEP

      24576:d2G/nvxW3WckpJWjXbNQsVZy8v8BQSsZWcJ48z2AB4:dbA3wvW+sVZy8fZWmz9

    Score
    10/10
    44caliberdcratinfostealerratstealer

    • 44Caliber

      An open source infostealer written in C#.

      stealer44caliber

    • 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

    • Loads dropped DLL

    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

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks