Overview

overview

10

Static

static

7

8d894c4adf...6a.exe

windows7-x64

10

8d894c4adf...6a.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    8d894c4adf3144a4e3f675f3068a04b3e74b27aca8901d6ae982f874d5cb976a.exe

  • Size

    2.5MB

  • Sample

    240523-1ata9shc73

  • MD5

    2596d7ffd5a33ee9b9eb9198ca7c56f0

  • SHA1

    fd8c50cf801adc61f2e03c328692f3015c4fffc7

  • SHA256

    8d894c4adf3144a4e3f675f3068a04b3e74b27aca8901d6ae982f874d5cb976a

  • SHA512

    532b1f13ceae966843cc80bb50eac0d839310e0f61d2ce30a7181c098599822c6c9e496407c2f1ed0f11eea631fb0405ec78b1e219d773380969c2275c853100

  • SSDEEP

    49152:8xmvumkQ9lY9sgUXdTPSxdQ8KX75IyuWuCjcCqWOyx7:8xx9NUFkQx753uWuCyyx7

Score
10/10
evasionpersistencethemidatrojan

Malware Config

Targets

    • Target

      8d894c4adf3144a4e3f675f3068a04b3e74b27aca8901d6ae982f874d5cb976a.exe

    • Size

      2.5MB

    • MD5

      2596d7ffd5a33ee9b9eb9198ca7c56f0

    • SHA1

      fd8c50cf801adc61f2e03c328692f3015c4fffc7

    • SHA256

      8d894c4adf3144a4e3f675f3068a04b3e74b27aca8901d6ae982f874d5cb976a

    • SHA512

      532b1f13ceae966843cc80bb50eac0d839310e0f61d2ce30a7181c098599822c6c9e496407c2f1ed0f11eea631fb0405ec78b1e219d773380969c2275c853100

    • SSDEEP

      49152:8xmvumkQ9lY9sgUXdTPSxdQ8KX75IyuWuCjcCqWOyx7:8xx9NUFkQx753uWuCyyx7

    Score
    10/10
    evasionpersistencethemidatrojan

    • Modifies visiblity of hidden/system files in Explorer

      evasion

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

      evasion

    • Checks BIOS information in registry

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

    • 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

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Modify Registry

2
T1112

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Discovery

Query Registry

2
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks