Overview

overview

10

Static

static

7

Free_Candy...er.exe

windows7-x64

10

Free_Candy...er.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    Free_Candy_Optimizer.exe

  • Size

    2.8MB

  • Sample

    240425-m9fybsab3t

  • MD5

    08ee4afb6173700b40bd882dcb430896

  • SHA1

    3fbae4aa4fcf51624a730a4b0e4ecf88ee139597

  • SHA256

    509166edc96857df176933f0efd86e52705c19c78922f833c9207d337742a277

  • SHA512

    1e8b896fb4aa677d3d83b6ff48fbcfaf9484444de94f8464b1daa8ceb264617ea84e4811c4d67481d6244dd74370011a49ebe3b747a4a61f657e66264e4a577b

  • SSDEEP

    49152:BXzhpDtKSK1cb8PGK+Tfuqmpc3elWo8GnQAsYZEVYq:BXzhW148Pd+Tf1mpcOldJQ3/VN

Score
10/10
evasionpersistencethemidatrojan

Malware Config

Targets

    • Target

      Free_Candy_Optimizer.exe

    • Size

      2.8MB

    • MD5

      08ee4afb6173700b40bd882dcb430896

    • SHA1

      3fbae4aa4fcf51624a730a4b0e4ecf88ee139597

    • SHA256

      509166edc96857df176933f0efd86e52705c19c78922f833c9207d337742a277

    • SHA512

      1e8b896fb4aa677d3d83b6ff48fbcfaf9484444de94f8464b1daa8ceb264617ea84e4811c4d67481d6244dd74370011a49ebe3b747a4a61f657e66264e4a577b

    • SSDEEP

      49152:BXzhpDtKSK1cb8PGK+Tfuqmpc3elWo8GnQAsYZEVYq:BXzhW148Pd+Tf1mpcOldJQ3/VN

    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

    • Legitimate hosting services abused for malware hosting/C2

    • 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

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Resource Development

Reconnaissance

Tasks