General

  • Target

    ab3db68249561e85645fc4eb2bd68849.exe

  • Size

    6MB

  • Sample

    230406-h9h1gaca37

  • MD5

    ab3db68249561e85645fc4eb2bd68849

  • SHA1

    b6755e36fa0d4a6113a0569c58b6dda4e5501efa

  • SHA256

    4064c3268a471f839ad701d4885931d61b9d776bf50aa330e2e17de46904d7e8

  • SHA512

    e55916d8b79cefab6a93e79eb22c1bfff39d36bf6576565f63108f0256a804b5a2d3eb0dce496bad044d9b0ded7cf6685a8f4c4326a846da431e4844e08b4ce0

  • SSDEEP

    196608:LNhXH1lVO1E+IGaNCMGpweGeR3y4voFEhvt8i:Hzv+baNuweGMoGvOi

Malware Config

Targets

    • Target

      ab3db68249561e85645fc4eb2bd68849.exe

    • Size

      6MB

    • MD5

      ab3db68249561e85645fc4eb2bd68849

    • SHA1

      b6755e36fa0d4a6113a0569c58b6dda4e5501efa

    • SHA256

      4064c3268a471f839ad701d4885931d61b9d776bf50aa330e2e17de46904d7e8

    • SHA512

      e55916d8b79cefab6a93e79eb22c1bfff39d36bf6576565f63108f0256a804b5a2d3eb0dce496bad044d9b0ded7cf6685a8f4c4326a846da431e4844e08b4ce0

    • SSDEEP

      196608:LNhXH1lVO1E+IGaNCMGpweGeR3y4voFEhvt8i:Hzv+baNuweGMoGvOi

    • 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