General

  • Target

    75fcf1139fa407de17ff3e76e87183723806eb175367eb06a336971bae224d0f

  • Size

    3.4MB

  • Sample

    230328-m1x59aae72

  • MD5

    96268b5c8fed476ee080034b0ef18212

  • SHA1

    8b666d09e9b68742c9c00ba14a546295e6c826cb

  • SHA256

    75fcf1139fa407de17ff3e76e87183723806eb175367eb06a336971bae224d0f

  • SHA512

    4d48f03107aaba4b2e2b2cfcfeca6a39cd218535c2faf600220dff1628271785266312f1a7afe4af0b2d810ce707a4ad223b0bd8d01503d4f378bb2db8e1df8d

  • SSDEEP

    98304:eUwOIEK84WQsykAeYIkAeYUaMImg8C0Qu2JuR21C/yIq/dhl/O4i/TksjdFwvhz6:eUwOIEK84WQsykAeYIkAeYUaMImg8C0t

Malware Config

Targets

    • Target

      75fcf1139fa407de17ff3e76e87183723806eb175367eb06a336971bae224d0f

    • Size

      3.4MB

    • MD5

      96268b5c8fed476ee080034b0ef18212

    • SHA1

      8b666d09e9b68742c9c00ba14a546295e6c826cb

    • SHA256

      75fcf1139fa407de17ff3e76e87183723806eb175367eb06a336971bae224d0f

    • SHA512

      4d48f03107aaba4b2e2b2cfcfeca6a39cd218535c2faf600220dff1628271785266312f1a7afe4af0b2d810ce707a4ad223b0bd8d01503d4f378bb2db8e1df8d

    • SSDEEP

      98304:eUwOIEK84WQsykAeYIkAeYUaMImg8C0Qu2JuR21C/yIq/dhl/O4i/TksjdFwvhz6:eUwOIEK84WQsykAeYIkAeYUaMImg8C0t

    • 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.

    • Executes dropped EXE

    • Modifies file permissions

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Checks whether UAC is enabled

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

File Permissions Modification

1
T1222

Discovery

Query Registry

2
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

2
T1082

Tasks