Overview

overview

10

Static

static

10

656feea079...47.exe

windows7-x64

10

656feea079...47.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    656feea079f74b94c31e4ad4fcdb2cb0b6c4f61a861db5084af2857c6a456c47.exe

  • Size

    8.7MB

  • Sample

    240522-b532hsge8z

  • MD5

    8b8262ee5164a7cad79367a6a7e5d1ad

  • SHA1

    043f4ab26eb710aa336e0cac2868311407d360e4

  • SHA256

    656feea079f74b94c31e4ad4fcdb2cb0b6c4f61a861db5084af2857c6a456c47

  • SHA512

    b92beac1eedacd24e4bd0cf5fd5c1d75be2e59a5ff478e084afdbdc2a6324dd82cced1e0bd5a1df7c7d2abb5be7a83a33a6cdca5298370ef0f9df8ad90be6dc3

  • SSDEEP

    196608:vDA4AqUb+3ahxQgpRdGOWPcwYXJ6Ii+CeaoLP2D+los2o2hT2rkOs:vDA407hxlpmOWPcT5VTCdmuD+DUhmE

Score
10/10
evasionexecutionpersistencethemidatrojan

Malware Config

Targets

    • Target

      656feea079f74b94c31e4ad4fcdb2cb0b6c4f61a861db5084af2857c6a456c47.exe

    • Size

      8.7MB

    • MD5

      8b8262ee5164a7cad79367a6a7e5d1ad

    • SHA1

      043f4ab26eb710aa336e0cac2868311407d360e4

    • SHA256

      656feea079f74b94c31e4ad4fcdb2cb0b6c4f61a861db5084af2857c6a456c47

    • SHA512

      b92beac1eedacd24e4bd0cf5fd5c1d75be2e59a5ff478e084afdbdc2a6324dd82cced1e0bd5a1df7c7d2abb5be7a83a33a6cdca5298370ef0f9df8ad90be6dc3

    • SSDEEP

      196608:vDA4AqUb+3ahxQgpRdGOWPcwYXJ6Ii+CeaoLP2D+los2o2hT2rkOs:vDA407hxlpmOWPcT5VTCdmuD+DUhmE

    Score
    10/10
    evasionexecutionpersistencethemidatrojan

    • Modifies security service

      evasion

    • Detects executables packed with Themida

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

      evasion

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Creates new service(s)

      persistenceexecution

    • Sets service image path in registry

      persistence

    • Stops running service(s)

      evasionexecution

    • 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

    • Checks whether UAC is enabled

      evasiontrojan

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

System Services

2
T1569

Service Execution

2
T1569.002

Persistence

Create or Modify System Process

3
T1543

Windows Service

3
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Create or Modify System Process

3
T1543

Windows Service

3
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

2
T1112

Virtualization/Sandbox Evasion

1
T1497

Impair Defenses

1
T1562

Credential Access

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Service Stop

1
T1489

Resource Development

Reconnaissance

Tasks