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
    148s
  • max time network
    54s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    17-01-2021 10:25

General

  • Target

    284c9bd06ae67203244ed420c798188c7d0846938b21ba970ce64318452d6947.exe

  • Size

    1.9MB

  • MD5

    a2db656c0369a9762ff24827848e8ea2

  • SHA1

    a88a7d679bb6e30467ffbed426c65a0c32074a3a

  • SHA256

    284c9bd06ae67203244ed420c798188c7d0846938b21ba970ce64318452d6947

  • SHA512

    c6c1c5619948566fa090a51bac8c91b8e6411d108b1fe2e246a4c8bf60face16d4bfca37e8950486cef843518eefb47cf2159ead8b331723cecc8d5179bfc32b

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\284c9bd06ae67203244ed420c798188c7d0846938b21ba970ce64318452d6947.exe
    "C:\Users\Admin\AppData\Local\Temp\284c9bd06ae67203244ed420c798188c7d0846938b21ba970ce64318452d6947.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:1784
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\gngyvvrupet.exe"
      2⤵
      • Suspicious behavior: GetForegroundWindowSpam
      PID:1500
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\ngmtprdi.exe"
      2⤵
      • Suspicious behavior: GetForegroundWindowSpam
      PID:820
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\qgwtmtae.exe"
      2⤵
      • Suspicious behavior: GetForegroundWindowSpam
      PID:988

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1512-4-0x000007FEF5B70000-0x000007FEF5DEA000-memory.dmp

    Filesize

    2.5MB

  • memory/1784-2-0x0000000004B40000-0x0000000004B51000-memory.dmp

    Filesize

    68KB

  • memory/1784-3-0x0000000004F50000-0x0000000004F61000-memory.dmp

    Filesize

    68KB