Overview

overview

9

Static

static

7

taskhostw.exe

windows7-x64

9

taskhostw.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    taskhostw.exe

  • Size

    44.5MB

  • Sample

    220823-zp8h3acfa6

  • MD5

    c80de2166e297418ceac6dd1e3733f09

  • SHA1

    e4bd7d38e3dc7ca0d9b85d2b20b7a9f012ea1a82

  • SHA256

    4116562a1ee0fa7fc1119971b1c73afca0bb4e45104948d3b61303fbbab64660

  • SHA512

    27a85b4e16953fc83160cc76557855624e1780ac62aeae46d98a6b0a117772122c60e08d707ed29ad6e2d7a66f47eec45abc03634efd5cf555834df423866f85

  • SSDEEP

    786432:cgJ9RzMFawRf0ac415LIzsW0w/+bm+5qGwMEeBkmM3g6F388qkEfEs8Ne7Ctwy:cGMYO+4hw/+r03MEeBNIT388va5WWy

Score
9/10
evasionpersistencethemidatrojan

Malware Config

Targets

    • Target

      taskhostw.exe

    • Size

      44.5MB

    • MD5

      c80de2166e297418ceac6dd1e3733f09

    • SHA1

      e4bd7d38e3dc7ca0d9b85d2b20b7a9f012ea1a82

    • SHA256

      4116562a1ee0fa7fc1119971b1c73afca0bb4e45104948d3b61303fbbab64660

    • SHA512

      27a85b4e16953fc83160cc76557855624e1780ac62aeae46d98a6b0a117772122c60e08d707ed29ad6e2d7a66f47eec45abc03634efd5cf555834df423866f85

    • SSDEEP

      786432:cgJ9RzMFawRf0ac415LIzsW0w/+bm+5qGwMEeBkmM3g6F388qkEfEs8Ne7Ctwy:cGMYO+4hw/+r03MEeBNIT388va5WWy

    Score
    9/10
    evasionpersistencethemidatrojan

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

      evasion

    • Drops file in Drivers directory

    • Checks BIOS information in registry

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

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

      themida

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Modify Registry

1
T1112

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

Tasks