Overview

overview

10

Static

static

flash_decompiler.exe

windows7-x64

8

flash_decompiler.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    flash_decompiler.exe

  • Size

    26.9MB

  • Sample

    230125-yz7tvaca7t

  • MD5

    3ccc94c98531d1389f3d1ed06d64f081

  • SHA1

    dfbd71b2f0c9b2af5a643f597b04d1d933ff71a0

  • SHA256

    8702aca7ecd0552f596d6af97c397ffead6302182d8c87ae8dd3feea9dd8a5b4

  • SHA512

    8563141763b22da9e790ed49544f10a6cb52dbdcebb8082cb8997ebb966c949e88c64be7e260b84df4f5d8079fc270b95912d84b7433af60003b70fdedc75398

  • SSDEEP

    786432:wa0DgoQ4T3vo3YcjGC8qq7ABxE9RUUuCS8G:waygoZTkjG0BxOZG

Score
10/10
banloaddiscoverydownloaderdropperevasionpersistencetrojan

Malware Config

Targets

    • Target

      flash_decompiler.exe

    • Size

      26.9MB

    • MD5

      3ccc94c98531d1389f3d1ed06d64f081

    • SHA1

      dfbd71b2f0c9b2af5a643f597b04d1d933ff71a0

    • SHA256

      8702aca7ecd0552f596d6af97c397ffead6302182d8c87ae8dd3feea9dd8a5b4

    • SHA512

      8563141763b22da9e790ed49544f10a6cb52dbdcebb8082cb8997ebb966c949e88c64be7e260b84df4f5d8079fc270b95912d84b7433af60003b70fdedc75398

    • SSDEEP

      786432:wa0DgoQ4T3vo3YcjGC8qq7ABxE9RUUuCS8G:waygoZTkjG0BxOZG

    Score
    10/10
    banloaddiscoverydownloaderdropperevasionpersistencetrojan

    • Banload

      Banload variants download malicious files, then install and execute the files.

      trojandropperdownloaderbanload

    • Executes dropped EXE

    • Registers COM server for autorun

      persistence

    • Sets file execution options in registry

      persistence

    • 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

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Checks whether UAC is enabled

      evasiontrojan

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

2
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

4
T1012

System Information Discovery

5
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks