General

  • Target

    New-Installer.exe

  • Size

    302MB

  • Sample

    230628-nx1bwaac91

  • MD5

    ca148d6e945fd7a500d94560c5caf767

  • SHA1

    73d43ce3cde2667693d707f906c351ccb7cb5ca6

  • SHA256

    36df8b2e878f5481a48e5178533fde7f38935082d93aeacc7a2c68a3d717f180

  • SHA512

    7bc78269b69acbc7638fc02a1ae99c2fd326e1eed721fffb7b3c9f2d0e8c833a6f90c07410da305f9d7617a702b42d23a1768a40d5628b55f5006ad88c900403

  • SSDEEP

    393216:eHdkXNSG/lVrl3KExL3JzATzC8WfeIRV:MkhpKOxk6

Malware Config

Extracted

Family

cryptbot

C2

http://ythre3sr.top/gate.php

Targets

    • Target

      New-Installer.exe

    • Size

      302MB

    • MD5

      ca148d6e945fd7a500d94560c5caf767

    • SHA1

      73d43ce3cde2667693d707f906c351ccb7cb5ca6

    • SHA256

      36df8b2e878f5481a48e5178533fde7f38935082d93aeacc7a2c68a3d717f180

    • SHA512

      7bc78269b69acbc7638fc02a1ae99c2fd326e1eed721fffb7b3c9f2d0e8c833a6f90c07410da305f9d7617a702b42d23a1768a40d5628b55f5006ad88c900403

    • SSDEEP

      393216:eHdkXNSG/lVrl3KExL3JzATzC8WfeIRV:MkhpKOxk6

    • CryptBot

      A C++ stealer distributed widely in bundle with other software.

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • 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

    • Checks installed software on the system

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

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Remote System Discovery

1
T1018

Collection

Data from Local System

2
T1005

Tasks