Overview

overview

9

Static

static

7

JITStarter.exe

windows10-2004_x64

9

Sharing

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General

  • Target

    JITStarter.exe

  • Size

    3.4MB

  • Sample

    220630-sqjsrscbbr

  • MD5

    cae1c4080e16058ef2a3d4c008384711

  • SHA1

    992e2c1cd65782919106e399169089a958feb1f0

  • SHA256

    1cd870787398db4bae34397b76e572c31d48b93dd6dc733ee2e6f3e9177bc162

  • SHA512

    3e039d1ae44d2257c4c6f5fa0e246dcbaf9f34bdb98b41c498c34e83fee3122f51b3ce9431288b6bb88f2bf31433121702b597a37b5e5782c56f31fb0aa4ceb8

Score
9/10
discoveryevasionpersistencethemidatrojan

Malware Config

Targets

    • Target

      JITStarter.exe

    • Size

      3.4MB

    • MD5

      cae1c4080e16058ef2a3d4c008384711

    • SHA1

      992e2c1cd65782919106e399169089a958feb1f0

    • SHA256

      1cd870787398db4bae34397b76e572c31d48b93dd6dc733ee2e6f3e9177bc162

    • SHA512

      3e039d1ae44d2257c4c6f5fa0e246dcbaf9f34bdb98b41c498c34e83fee3122f51b3ce9431288b6bb88f2bf31433121702b597a37b5e5782c56f31fb0aa4ceb8

    Score
    9/10
    discoveryevasionpersistencethemidatrojan

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

      evasion

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Registers COM server for autorun

      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

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

      themida

    • Adds Run key to start application

      persistence

    • 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 desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

2
T1060

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

7
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

7
T1082

Peripheral Device Discovery

2
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Tasks