General

  • Target

    2b0487817f8cf2592db53cea34fa30f2db1a06d046759f23f3e72a0dc61034dd.zip

  • Size

    6.4MB

  • Sample

    230321-rxqzzsdb8s

  • MD5

    f98b3273364accb1b866fd65ded3df59

  • SHA1

    f86c9e8352a670094b768553eef3fae27d0c5506

  • SHA256

    d2aebb17723f630ed845a183d5b4af78139ecefd467c6039719a1b3e9ea133dc

  • SHA512

    473d07f7de7eae6cf51a3897aeb98e42ccce917aa59c947059b24163ffe631daafbb11c697554ae9b7b19d5a7b27751064a956d34288d6508491907a3ed32137

  • SSDEEP

    98304:lmDkMEDa87XDcreTA2U8Ek7vggI2wODRUc8Vc4vevee0Y0nW7CXRXosZYsP:8EZTcLRZKogb7NUc8VcUe3N0OOXoEZP

Malware Config

Targets

    • Target

      2b0487817f8cf2592db53cea34fa30f2db1a06d046759f23f3e72a0dc61034dd.exe

    • Size

      6.8MB

    • MD5

      7923c53381886a69939a56da10dcaa42

    • SHA1

      a9f1879a7784933381548e9b8cf10462c3910693

    • SHA256

      2b0487817f8cf2592db53cea34fa30f2db1a06d046759f23f3e72a0dc61034dd

    • SHA512

      b701902129a3f067076d2aae6ac5d73c59eb4c843f51f45ad40e0c2103883246b2f0ac4da57368c51ac9dd10f6adcf2d5a78632ee319ca5c47b1d420c9de5d4a

    • SSDEEP

      98304:ftyBvUTI3/T/O5JtzAE0A050xf3yhDWbMsnJfdViU7DICtzkcPLC+5HTb/hIekb3:f8JRaXQ2xfaWYsJlVdDIaL9b5fzC/

    • 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