General

  • Target

    e4e8905cf218c3e12f9fccbf4a703744.exe

  • Size

    6.8MB

  • Sample

    230330-jspmcsbf35

  • MD5

    e4e8905cf218c3e12f9fccbf4a703744

  • SHA1

    4b3346a3b4e6188631433e5c1601e8bb0ca2f798

  • SHA256

    d80b49455c86bb748c2b4d006443e73fb107f4cdfee298991bb526bf9a6fa464

  • SHA512

    da480a40ca3a44b36d26f03e0d25b189001a4e502681779ea90ee879ae7c1ca5aa50dd42536569075b86d2b611036ee9ef5a4bf70630b948dcaa9212d22104ec

  • SSDEEP

    196608:FL7u7L7uo4QIyIUEkPYWiDCRRAsRnWODS9v:pqLuoNUUdPcDgAs0lv

Malware Config

Targets

    • Target

      e4e8905cf218c3e12f9fccbf4a703744.exe

    • Size

      6.8MB

    • MD5

      e4e8905cf218c3e12f9fccbf4a703744

    • SHA1

      4b3346a3b4e6188631433e5c1601e8bb0ca2f798

    • SHA256

      d80b49455c86bb748c2b4d006443e73fb107f4cdfee298991bb526bf9a6fa464

    • SHA512

      da480a40ca3a44b36d26f03e0d25b189001a4e502681779ea90ee879ae7c1ca5aa50dd42536569075b86d2b611036ee9ef5a4bf70630b948dcaa9212d22104ec

    • SSDEEP

      196608:FL7u7L7uo4QIyIUEkPYWiDCRRAsRnWODS9v:pqLuoNUUdPcDgAs0lv

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

    • 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.

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

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

    • Checks whether UAC is enabled

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

6
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

6
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Tasks