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
    151s
  • max time network
    58s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    17-01-2021 19:18

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:1080
    • 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:752
    • 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:1948
    • 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:1612

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/752-18-0x0000000000A90000-0x0000000000A91000-memory.dmp

    Filesize

    4KB

  • memory/876-13-0x000007FEF72E0000-0x000007FEF755A000-memory.dmp

    Filesize

    2.5MB

  • memory/1080-10-0x0000000000590000-0x0000000000591000-memory.dmp

    Filesize

    4KB

  • memory/1080-14-0x00000000004F0000-0x00000000004F1000-memory.dmp

    Filesize

    4KB

  • memory/1080-0-0x0000000004A60000-0x0000000004A71000-memory.dmp

    Filesize

    68KB

  • memory/1080-7-0x0000000000A30000-0x0000000000A31000-memory.dmp

    Filesize

    4KB

  • memory/1080-6-0x0000000000A40000-0x0000000000A41000-memory.dmp

    Filesize

    4KB

  • memory/1080-5-0x0000000000A50000-0x0000000000A51000-memory.dmp

    Filesize

    4KB

  • memory/1080-4-0x00000000009E0000-0x00000000009E1000-memory.dmp

    Filesize

    4KB

  • memory/1080-3-0x0000000001321000-0x0000000001345000-memory.dmp

    Filesize

    144KB

  • memory/1080-9-0x0000000000500000-0x0000000000501000-memory.dmp

    Filesize

    4KB

  • memory/1080-8-0x0000000000A60000-0x0000000000A61000-memory.dmp

    Filesize

    4KB

  • memory/1080-15-0x0000000000A70000-0x0000000000A71000-memory.dmp

    Filesize

    4KB

  • memory/1080-2-0x00000000760C1000-0x00000000760C3000-memory.dmp

    Filesize

    8KB

  • memory/1080-1-0x0000000004E70000-0x0000000004E81000-memory.dmp

    Filesize

    68KB

  • memory/1612-24-0x0000000000810000-0x0000000000811000-memory.dmp

    Filesize

    4KB

  • memory/1948-21-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB