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Overview

overview

10

Static

static

1

NEAS.f50db...fb.exe

windows7-x64

7

NEAS.f50db...fb.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    NEAS.f50db870d11db91217a014fe2672069c51ae1e6c32547e09c99fef64c0a501fb.exe

  • Size

    5.5MB

  • Sample

    231116-vzmxwsfb3t

  • MD5

    a61aac13f8a4841915791fb57aa2e275

  • SHA1

    c34330fb238e0b9ea1cca921e42fb46966e1d577

  • SHA256

    f50db870d11db91217a014fe2672069c51ae1e6c32547e09c99fef64c0a501fb

  • SHA512

    9ee58ab3d775796cf73a2ce29ec9adbd3f72f789a5076a7d434d22f288ee012814af059738d6b9f23535ac9dad672ab255c88212bab7e9e7c72ee9be80cb7b7f

  • SSDEEP

    98304:YF85vlOC7s2wQPc8V94nWFQO0R6dheB4/ncnREmThJ45aTyFXBuirxD02g9rX:COvPgZeORpR67e4/ncRZTQXBFrWd

Score
10/10
zgratevasionpersistenceratthemidatrojan

Malware Config

Targets

    • Target

      NEAS.f50db870d11db91217a014fe2672069c51ae1e6c32547e09c99fef64c0a501fb.exe

    • Size

      5.5MB

    • MD5

      a61aac13f8a4841915791fb57aa2e275

    • SHA1

      c34330fb238e0b9ea1cca921e42fb46966e1d577

    • SHA256

      f50db870d11db91217a014fe2672069c51ae1e6c32547e09c99fef64c0a501fb

    • SHA512

      9ee58ab3d775796cf73a2ce29ec9adbd3f72f789a5076a7d434d22f288ee012814af059738d6b9f23535ac9dad672ab255c88212bab7e9e7c72ee9be80cb7b7f

    • SSDEEP

      98304:YF85vlOC7s2wQPc8V94nWFQO0R6dheB4/ncnREmThJ45aTyFXBuirxD02g9rX:COvPgZeORpR67e4/ncRZTQXBFrWd

    Score
    10/10
    zgratevasionpersistenceratthemidatrojan

    • Detect ZGRat V1

    • ZGRat

      ZGRat is remote access trojan written in C#.

      ratzgrat

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

      evasion

    • Downloads MZ/PE file

    • 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

      themida

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks