General

  • Target

    238509ed1c8581aae3e57ea7de78ffd2.exe

  • Size

    6MB

  • Sample

    230408-h6nfsaec9z

  • MD5

    238509ed1c8581aae3e57ea7de78ffd2

  • SHA1

    72f5e44557541019d1303533c0063b1a739872ee

  • SHA256

    631defcfe435bb021b408b39bc9130cc351d698791172f6c9db6050cf3db1702

  • SHA512

    d9e396e5a1f7ab3050fa551fde087e4567e935340e119dc77df063af994229be0f84174fa2551f004c52aa16d37091899142b18c869e9a7a90edebfe8ebe7162

  • SSDEEP

    196608:V0VBjQzX+gwvGJYwSRMBu+oKyV+r05N4+K/:KceGSNebyUQEt/

Malware Config

Targets

    • Target

      238509ed1c8581aae3e57ea7de78ffd2.exe

    • Size

      6MB

    • MD5

      238509ed1c8581aae3e57ea7de78ffd2

    • SHA1

      72f5e44557541019d1303533c0063b1a739872ee

    • SHA256

      631defcfe435bb021b408b39bc9130cc351d698791172f6c9db6050cf3db1702

    • SHA512

      d9e396e5a1f7ab3050fa551fde087e4567e935340e119dc77df063af994229be0f84174fa2551f004c52aa16d37091899142b18c869e9a7a90edebfe8ebe7162

    • SSDEEP

      196608:V0VBjQzX+gwvGJYwSRMBu+oKyV+r05N4+K/:KceGSNebyUQEt/

    • CryptBot

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

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Checks BIOS information in registry

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

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • 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.

    • Checks whether UAC is enabled

    • Maps connected drives based on registry

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

6
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

6
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Tasks