General

  • Target

    the-setup.exe

  • Size

    727KB

  • Sample

    220212-f915yagee8

  • MD5

    7db33b8774b89cb731339281d85be486

  • SHA1

    21a8da797e816d3cd5e111c3f8d66c6d3bbc449b

  • SHA256

    0e4c64a675fbce01bc1f600d2d5b19b22f61b0190865689852a566feefbdb081

  • SHA512

    c5f66db529be1fc41341a813d978b1f6a704babf4044bf65d479d8c18b9d38491bf29e5da16ea54ac5ed9b0af9349eb8524de8be10375c354c88047d5d1b5108

Malware Config

Targets

    • Target

      the-setup.exe

    • Size

      727KB

    • MD5

      7db33b8774b89cb731339281d85be486

    • SHA1

      21a8da797e816d3cd5e111c3f8d66c6d3bbc449b

    • SHA256

      0e4c64a675fbce01bc1f600d2d5b19b22f61b0190865689852a566feefbdb081

    • SHA512

      c5f66db529be1fc41341a813d978b1f6a704babf4044bf65d479d8c18b9d38491bf29e5da16ea54ac5ed9b0af9349eb8524de8be10375c354c88047d5d1b5108

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

    • Downloads MZ/PE file

    • Executes dropped EXE

    • 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.

    • Drops startup file

    • 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

    • 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

5
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

5
T1082

Process Discovery

1
T1057

Collection

Data from Local System

2
T1005

Tasks