Overview

overview

9

Static

static

7

bc41a4fcf3...41.exe

windows7-x64

9

bc41a4fcf3...41.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    bc41a4fcf3b8dd2ee5c1828b53f3ea8ae8ae6e1decdc665aff985ecce6b8f341

  • Size

    8.3MB

  • Sample

    220720-rk5bvagcdm

  • MD5

    cd470530fc3d2d35f04a225d8134d7cf

  • SHA1

    41dcbe4ecc0f1c2b02d5f84e955c9faf2dececa1

  • SHA256

    bc41a4fcf3b8dd2ee5c1828b53f3ea8ae8ae6e1decdc665aff985ecce6b8f341

  • SHA512

    64eb417aaf812b5bfecee16c4005f987946bbcadb6569ce3fd5e2d8871bfab30653ee12dfc243117dc257f57c738d6bc69d49e342e353b95b1b94524e3805230

Score
9/10
evasionthemidatrojan

Malware Config

Targets

    • Target

      bc41a4fcf3b8dd2ee5c1828b53f3ea8ae8ae6e1decdc665aff985ecce6b8f341

    • Size

      8.3MB

    • MD5

      cd470530fc3d2d35f04a225d8134d7cf

    • SHA1

      41dcbe4ecc0f1c2b02d5f84e955c9faf2dececa1

    • SHA256

      bc41a4fcf3b8dd2ee5c1828b53f3ea8ae8ae6e1decdc665aff985ecce6b8f341

    • SHA512

      64eb417aaf812b5bfecee16c4005f987946bbcadb6569ce3fd5e2d8871bfab30653ee12dfc243117dc257f57c738d6bc69d49e342e353b95b1b94524e3805230

    Score
    9/10
    evasionthemidatrojan

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

      evasion

    • Executes dropped EXE

    • Checks BIOS information in registry

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

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

      themida

    • Checks whether UAC is enabled

      evasiontrojan

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Discovery

Query Registry

2
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks