Resubmissions

17-01-2021 19:18

210117-5hwxlye88x 10

17-01-2021 17:05

210117-6jkt8jz44e 10

17-01-2021 10:25

210117-ncy8vksfgn 10

Analysis

  • max time kernel
    154s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    17-01-2021 19:18

General

  • Target

    213f46a61158000136d67452f6c638949db7a60674ed2af8379f6bbe7acb49fc.exe

  • Size

    1.8MB

  • MD5

    37f95f0c742f9bb6c5f6d1b49a9f1e92

  • SHA1

    92d17b64c02a1ae01b49cda80a21042505d1eb3d

  • SHA256

    213f46a61158000136d67452f6c638949db7a60674ed2af8379f6bbe7acb49fc

  • SHA512

    c6ea684e9f53b46d86519c7920048ca5fbd07a42b7b372cbff33b590d5f4bcb0acda1104379503d403d1931bdd333ec74a571fb97f54abc7bf7cbc978c8a06ad

Score
9/10

Malware Config

Signatures

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

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

  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 3 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\213f46a61158000136d67452f6c638949db7a60674ed2af8379f6bbe7acb49fc.exe
    "C:\Users\Admin\AppData\Local\Temp\213f46a61158000136d67452f6c638949db7a60674ed2af8379f6bbe7acb49fc.exe"
    1⤵
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Checks processor information in registry
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2012
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\miutxkbdn.exe"
      2⤵
      • Suspicious behavior: GetForegroundWindowSpam
      PID:2000
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\hatasdliuk.exe"
      2⤵
      • Suspicious behavior: GetForegroundWindowSpam
      PID:1164
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\hgmwtbh.exe"
      2⤵
      • Suspicious behavior: GetForegroundWindowSpam
      PID:1624

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1164-22-0x00000000003E0000-0x00000000003E1000-memory.dmp

    Filesize

    4KB

  • memory/1624-23-0x0000000000440000-0x0000000000441000-memory.dmp

    Filesize

    4KB

  • memory/1660-12-0x000007FEF5CF0000-0x000007FEF5F6A000-memory.dmp

    Filesize

    2.5MB

  • memory/2000-16-0x00000000003E0000-0x00000000003E1000-memory.dmp

    Filesize

    4KB

  • memory/2012-7-0x0000000000850000-0x0000000000851000-memory.dmp

    Filesize

    4KB

  • memory/2012-8-0x00000000008B0000-0x00000000008B2000-memory.dmp

    Filesize

    8KB

  • memory/2012-11-0x00000000006A0000-0x00000000006A1000-memory.dmp

    Filesize

    4KB

  • memory/2012-9-0x0000000000900000-0x0000000000901000-memory.dmp

    Filesize

    4KB

  • memory/2012-13-0x0000000000910000-0x0000000000911000-memory.dmp

    Filesize

    4KB

  • memory/2012-10-0x0000000000500000-0x0000000000501000-memory.dmp

    Filesize

    4KB

  • memory/2012-6-0x00000000008A0000-0x00000000008A1000-memory.dmp

    Filesize

    4KB

  • memory/2012-2-0x00000000046D0000-0x00000000046E1000-memory.dmp

    Filesize

    68KB

  • memory/2012-5-0x0000000000AD1000-0x0000000000AF5000-memory.dmp

    Filesize

    144KB

  • memory/2012-4-0x0000000075ED1000-0x0000000075ED3000-memory.dmp

    Filesize

    8KB

  • memory/2012-21-0x0000000000650000-0x0000000000651000-memory.dmp

    Filesize

    4KB

  • memory/2012-3-0x0000000004AE0000-0x0000000004AF1000-memory.dmp

    Filesize

    68KB