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Resubmissions

03/01/2024, 14:58

240103-scdplafcfk 9

03/01/2024, 14:52

240103-r88zyafbgn 9

Analysis

  • max time kernel
    54s
  • max time network
    58s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    03/01/2024, 14:58

General

  • Target

    MatSploit.exe

  • Size

    5.5MB

  • MD5

    9e0513f49b3bb36ea8e2021114c05cc4

  • SHA1

    48f8a10ef94aaab148226deee2fd648814732317

  • SHA256

    bab0af44c41ebaf4ba8ae3209d852247e9b443154e626dbdf003a076c1e88abc

  • SHA512

    2d93d1579dd2324d854971bafe5c7ae0ed79df45b551c18d238e05f2b2d9fed70d696f9b145ac30db7abea7565a4196d2a6726ae00771341f1f898a785767123

  • SSDEEP

    98304:O/G5xtyMrU1eOyjaG8uOJQToGRtVtmNh6/wfi2dxIkbyFQ0g/QjESYaBheEBrbiD:+wOK8uRTLvtmUwfxtWQ0gkbhcjSW

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Themida packer 3 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\MatSploit.exe
    "C:\Users\Admin\AppData\Local\Temp\MatSploit.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1264
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1264 -s 1392
      2⤵
      • Program crash
      PID:2096

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1264-0-0x00000000010C0000-0x0000000001E14000-memory.dmp

    Filesize

    13.3MB

  • memory/1264-1-0x0000000077480000-0x0000000077590000-memory.dmp

    Filesize

    1.1MB

  • memory/1264-2-0x0000000077480000-0x0000000077590000-memory.dmp

    Filesize

    1.1MB

  • memory/1264-3-0x0000000077480000-0x0000000077590000-memory.dmp

    Filesize

    1.1MB

  • memory/1264-4-0x0000000077480000-0x0000000077590000-memory.dmp

    Filesize

    1.1MB

  • memory/1264-5-0x0000000077480000-0x0000000077590000-memory.dmp

    Filesize

    1.1MB

  • memory/1264-6-0x0000000075CF0000-0x0000000075D37000-memory.dmp

    Filesize

    284KB

  • memory/1264-7-0x0000000077480000-0x0000000077590000-memory.dmp

    Filesize

    1.1MB

  • memory/1264-9-0x0000000077480000-0x0000000077590000-memory.dmp

    Filesize

    1.1MB

  • memory/1264-12-0x0000000077480000-0x0000000077590000-memory.dmp

    Filesize

    1.1MB

  • memory/1264-14-0x0000000077480000-0x0000000077590000-memory.dmp

    Filesize

    1.1MB

  • memory/1264-16-0x0000000077480000-0x0000000077590000-memory.dmp

    Filesize

    1.1MB

  • memory/1264-18-0x0000000077480000-0x0000000077590000-memory.dmp

    Filesize

    1.1MB

  • memory/1264-20-0x0000000077480000-0x0000000077590000-memory.dmp

    Filesize

    1.1MB

  • memory/1264-19-0x0000000077BD0000-0x0000000077BD2000-memory.dmp

    Filesize

    8KB

  • memory/1264-17-0x0000000075CF0000-0x0000000075D37000-memory.dmp

    Filesize

    284KB

  • memory/1264-15-0x0000000077480000-0x0000000077590000-memory.dmp

    Filesize

    1.1MB

  • memory/1264-23-0x00000000010C0000-0x0000000001E14000-memory.dmp

    Filesize

    13.3MB

  • memory/1264-22-0x0000000074BE0000-0x00000000752CE000-memory.dmp

    Filesize

    6.9MB

  • memory/1264-24-0x00000000010C0000-0x0000000001E14000-memory.dmp

    Filesize

    13.3MB

  • memory/1264-25-0x00000000057E0000-0x0000000005820000-memory.dmp

    Filesize

    256KB

  • memory/1264-26-0x0000000075CF0000-0x0000000075D37000-memory.dmp

    Filesize

    284KB

  • memory/1264-27-0x0000000077480000-0x0000000077590000-memory.dmp

    Filesize

    1.1MB

  • memory/1264-28-0x0000000077480000-0x0000000077590000-memory.dmp

    Filesize

    1.1MB

  • memory/1264-30-0x00000000003F0000-0x00000000003FA000-memory.dmp

    Filesize

    40KB

  • memory/1264-29-0x00000000003F0000-0x00000000003FA000-memory.dmp

    Filesize

    40KB

  • memory/1264-31-0x00000000057E0000-0x0000000005820000-memory.dmp

    Filesize

    256KB

  • memory/1264-32-0x0000000000F30000-0x0000000000F31000-memory.dmp

    Filesize

    4KB

  • memory/1264-35-0x0000000074BE0000-0x00000000752CE000-memory.dmp

    Filesize

    6.9MB

  • memory/1264-36-0x00000000057E0000-0x0000000005820000-memory.dmp

    Filesize

    256KB

  • memory/1264-37-0x00000000003F0000-0x00000000003FA000-memory.dmp

    Filesize

    40KB

  • memory/1264-38-0x00000000003F0000-0x00000000003FA000-memory.dmp

    Filesize

    40KB

  • memory/1264-40-0x00000000057E0000-0x0000000005820000-memory.dmp

    Filesize

    256KB

  • memory/1264-41-0x00000000057E0000-0x0000000005820000-memory.dmp

    Filesize

    256KB

  • memory/1264-42-0x00000000057E0000-0x0000000005820000-memory.dmp

    Filesize

    256KB

  • memory/1264-44-0x0000000077480000-0x0000000077590000-memory.dmp

    Filesize

    1.1MB

  • memory/1264-45-0x00000000010C0000-0x0000000001E14000-memory.dmp

    Filesize

    13.3MB

  • memory/1264-46-0x0000000075CF0000-0x0000000075D37000-memory.dmp

    Filesize

    284KB

  • memory/1264-48-0x0000000074BE0000-0x00000000752CE000-memory.dmp

    Filesize

    6.9MB