Overview

overview

9

Static

static

7

401820b4dc...53.exe

windows7_x64

9

401820b4dc...53.exe

windows10-2004_x64

9

Sharing

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General

  • Target

    401820b4dccc59b2d201143456aa3cd68c6baf3a64d9486838226884d5b95353

  • Size

    2.9MB

  • Sample

    220708-z927sahefm

  • MD5

    3f36796fa139f6d5011418bfad4bf706

  • SHA1

    28a74adbc61b00135dfb97026d5d14bc6e02640e

  • SHA256

    401820b4dccc59b2d201143456aa3cd68c6baf3a64d9486838226884d5b95353

  • SHA512

    f21d94dbeabf9dce4f30a145dc39b3890beb63d7e399ffe27d3d07606ac881e769397d5ef78b6d94c8ec4ae564e4a3ddf71c9e875872e4eb0dc5c0753d65cad2

Score
9/10
evasionthemidatrojan

Malware Config

Targets

    • Target

      401820b4dccc59b2d201143456aa3cd68c6baf3a64d9486838226884d5b95353

    • Size

      2.9MB

    • MD5

      3f36796fa139f6d5011418bfad4bf706

    • SHA1

      28a74adbc61b00135dfb97026d5d14bc6e02640e

    • SHA256

      401820b4dccc59b2d201143456aa3cd68c6baf3a64d9486838226884d5b95353

    • SHA512

      f21d94dbeabf9dce4f30a145dc39b3890beb63d7e399ffe27d3d07606ac881e769397d5ef78b6d94c8ec4ae564e4a3ddf71c9e875872e4eb0dc5c0753d65cad2

    Score
    9/10
    evasionthemidatrojan

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

      evasion

    • Downloads MZ/PE file

    • Executes dropped EXE

    • 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.

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

      themida

    • Checks whether UAC is enabled

      evasiontrojan

    • 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

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

4
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks