Overview

overview

10

Static

static

7

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    d43df58a2a5f5c0553a3a80375f9388cb06b365018fc1da21d50bf777efd3a77

  • Size

    6.1MB

  • Sample

    240527-nls4eshf9v

  • MD5

    ef25d40267a23924210989a31b6fe6ab

  • SHA1

    8642da158dee5ff584c462c51b11b47401dcfea6

  • SHA256

    d43df58a2a5f5c0553a3a80375f9388cb06b365018fc1da21d50bf777efd3a77

  • SHA512

    3df37b6b3da77e5efd4f17bc4a3b2769009b943612187ae21552d671f4e4a23a43a7fc468cade4e7aa4a9f08b08a4cbb46d15a535935102578210bc9e5bbcfe1

  • SSDEEP

    98304:hgEryB3dLCnvXgjvC8giqW/qGXbWg555yo3uZuuLnWfOPEI1:WSsNLCnvgjvrgiFqChN3uZuuLnWfO8I1

Score
10/10
privateloaderevasionloaderthemidatrojan

Malware Config

Targets

    • Target

      d43df58a2a5f5c0553a3a80375f9388cb06b365018fc1da21d50bf777efd3a77

    • Size

      6.1MB

    • MD5

      ef25d40267a23924210989a31b6fe6ab

    • SHA1

      8642da158dee5ff584c462c51b11b47401dcfea6

    • SHA256

      d43df58a2a5f5c0553a3a80375f9388cb06b365018fc1da21d50bf777efd3a77

    • SHA512

      3df37b6b3da77e5efd4f17bc4a3b2769009b943612187ae21552d671f4e4a23a43a7fc468cade4e7aa4a9f08b08a4cbb46d15a535935102578210bc9e5bbcfe1

    • SSDEEP

      98304:hgEryB3dLCnvXgjvC8giqW/qGXbWg555yo3uZuuLnWfOPEI1:WSsNLCnvgjvrgiFqChN3uZuuLnWfO8I1

    Score
    10/10
    privateloaderevasionloaderthemidatrojan

    • Modifies firewall policy service

      evasion

    • PrivateLoader

      PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

      loaderprivateloader

    • 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.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

      themida

    • Checks whether UAC is enabled

      evasiontrojan

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Defense Evasion

Modify Registry

1
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