Analysis

  • max time kernel
    173s
  • max time network
    302s
  • platform
    windows10-1703_x64
  • resource
    win10-20220812-en
  • resource tags

    arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
  • submitted
    12/11/2022, 22:35

General

  • Target

    efb2b92a9ad40fb2d039fed04162ec421d3fd4bcd86adedbcb52d03ed5b742c1.exe

  • Size

    2.2MB

  • MD5

    3aad6e79569fcc68f0b8530225e08743

  • SHA1

    e1247952bedea6d68c471b779d673167d5e1d774

  • SHA256

    efb2b92a9ad40fb2d039fed04162ec421d3fd4bcd86adedbcb52d03ed5b742c1

  • SHA512

    b30938d0210f9864f1165348f7bdbc1b6732687e8ee4a013b2c53f0ca0d212f8722cc8c6c4c187645f04d614cf2a21707869812c04ff551057f4d969141ab50d

  • SSDEEP

    49152:Il8pLho6EEJZHFqdBiNz0ywwO++wddZHyo:8ULxEaHr0ywwO+RZHyo

Score
10/10

Malware Config

Extracted

Family

systembc

C2

cryptotab.me:4001

Signatures

  • SystemBC

    SystemBC is a proxy and remote administration tool first seen in 2019.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 3 IoCs
  • Executes dropped EXE 2 IoCs
  • Checks BIOS information in registry 2 TTPs 6 IoCs

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

  • Identifies Wine through registry keys 2 TTPs 3 IoCs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\efb2b92a9ad40fb2d039fed04162ec421d3fd4bcd86adedbcb52d03ed5b742c1.exe
    "C:\Users\Admin\AppData\Local\Temp\efb2b92a9ad40fb2d039fed04162ec421d3fd4bcd86adedbcb52d03ed5b742c1.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    PID:2700
  • C:\ProgramData\ewxi\lgna.exe
    C:\ProgramData\ewxi\lgna.exe start2
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Executes dropped EXE
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    PID:4728
  • C:\ProgramData\ewxi\lgna.exe
    C:\ProgramData\ewxi\lgna.exe start2
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Executes dropped EXE
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    PID:4168

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ProgramData\ewxi\lgna.exe

          Filesize

          2.2MB

          MD5

          3aad6e79569fcc68f0b8530225e08743

          SHA1

          e1247952bedea6d68c471b779d673167d5e1d774

          SHA256

          efb2b92a9ad40fb2d039fed04162ec421d3fd4bcd86adedbcb52d03ed5b742c1

          SHA512

          b30938d0210f9864f1165348f7bdbc1b6732687e8ee4a013b2c53f0ca0d212f8722cc8c6c4c187645f04d614cf2a21707869812c04ff551057f4d969141ab50d

        • C:\ProgramData\ewxi\lgna.exe

          Filesize

          2.2MB

          MD5

          3aad6e79569fcc68f0b8530225e08743

          SHA1

          e1247952bedea6d68c471b779d673167d5e1d774

          SHA256

          efb2b92a9ad40fb2d039fed04162ec421d3fd4bcd86adedbcb52d03ed5b742c1

          SHA512

          b30938d0210f9864f1165348f7bdbc1b6732687e8ee4a013b2c53f0ca0d212f8722cc8c6c4c187645f04d614cf2a21707869812c04ff551057f4d969141ab50d

        • C:\ProgramData\ewxi\lgna.exe

          Filesize

          2.2MB

          MD5

          3aad6e79569fcc68f0b8530225e08743

          SHA1

          e1247952bedea6d68c471b779d673167d5e1d774

          SHA256

          efb2b92a9ad40fb2d039fed04162ec421d3fd4bcd86adedbcb52d03ed5b742c1

          SHA512

          b30938d0210f9864f1165348f7bdbc1b6732687e8ee4a013b2c53f0ca0d212f8722cc8c6c4c187645f04d614cf2a21707869812c04ff551057f4d969141ab50d

        • memory/2700-152-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/2700-159-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/2700-121-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/2700-122-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/2700-123-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/2700-125-0x0000000000400000-0x00000000009C3000-memory.dmp

          Filesize

          5.8MB

        • memory/2700-153-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/2700-124-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/2700-127-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/2700-155-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/2700-130-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/2700-129-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/2700-131-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/2700-132-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/2700-133-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/2700-134-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/2700-135-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/2700-136-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/2700-137-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/2700-138-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/2700-139-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/2700-140-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/2700-141-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/2700-142-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/2700-143-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/2700-144-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/2700-145-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/2700-146-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/2700-147-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/2700-148-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/2700-149-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/2700-150-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/2700-151-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/2700-116-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/2700-126-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/2700-120-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/2700-128-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/2700-156-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/2700-157-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/2700-158-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/2700-154-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/2700-162-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/2700-161-0x0000000000400000-0x00000000009C3000-memory.dmp

          Filesize

          5.8MB

        • memory/2700-160-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/2700-163-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/2700-165-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/2700-164-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/2700-166-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/2700-167-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/2700-168-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/2700-169-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/2700-119-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/2700-117-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/2700-118-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/4168-225-0x0000000000400000-0x00000000009C3000-memory.dmp

          Filesize

          5.8MB

        • memory/4168-258-0x0000000000400000-0x00000000009C3000-memory.dmp

          Filesize

          5.8MB

        • memory/4728-182-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/4728-181-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/4728-177-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/4728-180-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/4728-179-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/4728-173-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/4728-183-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/4728-176-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/4728-172-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/4728-185-0x0000000000400000-0x00000000009C3000-memory.dmp

          Filesize

          5.8MB

        • memory/4728-215-0x0000000000400000-0x00000000009C3000-memory.dmp

          Filesize

          5.8MB

        • memory/4728-171-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/4728-175-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB

        • memory/4728-174-0x0000000077840000-0x00000000779CE000-memory.dmp

          Filesize

          1.6MB