Analysis

  • max time kernel
    64s
  • max time network
    34s
  • platform
    windows10-1703_x64
  • resource
    win10-20230915-en
  • resource tags

    arch:x64arch:x86image:win10-20230915-enlocale:en-usos:windows10-1703-x64system
  • submitted
    09/10/2023, 18:33

General

  • Target

    BlitzedGrabberV12.exe

  • Size

    1.6MB

  • MD5

    228a69dc15032fd0fb7100ff8561185e

  • SHA1

    f8dbc89fed8078da7f306cb78b92ce04a0bdeb00

  • SHA256

    920bec9d500f6446b84399ab4c84858d0f0d7d1abb2e0377399ebbc4bafad709

  • SHA512

    373621c4743fa72571b3c8375aa6f7852303a821558b016b002d2af07154787d978f66696db89eeed8fe41f4aed5d66b690d4f87469939f9b1dea2ac2b9101f1

  • SSDEEP

    24576:xxAskWeOT4n5lLHxnpL2Q/NLmKgDJ68p4C8BsePDigEoXh7O83igweBAWgt:PAznU4n9t2ELj18p4BDifoM83ig9Ap

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Obfuscated with Agile.Net obfuscator 33 IoCs

    Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

  • Drops file in Windows directory 2 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 54 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\BlitzedGrabberV12.exe
    "C:\Users\Admin\AppData\Local\Temp\BlitzedGrabberV12.exe"
    1⤵
    • Loads dropped DLL
    PID:3880
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Drops file in Windows directory
    • Checks SCSI registry key(s)
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:2020
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:784

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\dcfb00f9-5ae7-4197-ba59-e48107e40d35\GunaDotNetRT.dll

      Filesize

      136KB

      MD5

      9af5eb006bb0bab7f226272d82c896c7

      SHA1

      c2a5bb42a5f08f4dc821be374b700652262308f0

      SHA256

      77dc05a6bda90757f66552ee3f469b09f1e00732b4edca0f542872fb591ed9db

      SHA512

      7badd41be4c1039302fda9bba19d374ec9446ce24b7db33b66bee4ef38180d1abcd666d2aea468e7e452aa1e1565eedfefed582bf1c2fe477a4171d99d48772a

    • \Users\Admin\AppData\Local\Temp\dcfb00f9-5ae7-4197-ba59-e48107e40d35\GunaDotNetRT.dll

      Filesize

      136KB

      MD5

      9af5eb006bb0bab7f226272d82c896c7

      SHA1

      c2a5bb42a5f08f4dc821be374b700652262308f0

      SHA256

      77dc05a6bda90757f66552ee3f469b09f1e00732b4edca0f542872fb591ed9db

      SHA512

      7badd41be4c1039302fda9bba19d374ec9446ce24b7db33b66bee4ef38180d1abcd666d2aea468e7e452aa1e1565eedfefed582bf1c2fe477a4171d99d48772a

    • memory/3880-37-0x0000000005E30000-0x000000000601E000-memory.dmp

      Filesize

      1.9MB

    • memory/3880-3-0x0000000005B00000-0x0000000005B92000-memory.dmp

      Filesize

      584KB

    • memory/3880-4-0x0000000005BF0000-0x0000000005C00000-memory.dmp

      Filesize

      64KB

    • memory/3880-5-0x0000000005A80000-0x0000000005A8A000-memory.dmp

      Filesize

      40KB

    • memory/3880-6-0x0000000005E30000-0x0000000006022000-memory.dmp

      Filesize

      1.9MB

    • memory/3880-2-0x0000000006100000-0x00000000065FE000-memory.dmp

      Filesize

      5.0MB

    • memory/3880-0-0x0000000000F50000-0x00000000010FC000-memory.dmp

      Filesize

      1.7MB

    • memory/3880-14-0x0000000070560000-0x0000000070597000-memory.dmp

      Filesize

      220KB

    • memory/3880-15-0x0000000072370000-0x00000000723F0000-memory.dmp

      Filesize

      512KB

    • memory/3880-16-0x0000000005E30000-0x000000000601E000-memory.dmp

      Filesize

      1.9MB

    • memory/3880-17-0x0000000005E30000-0x000000000601E000-memory.dmp

      Filesize

      1.9MB

    • memory/3880-19-0x0000000005E30000-0x000000000601E000-memory.dmp

      Filesize

      1.9MB

    • memory/3880-21-0x0000000005E30000-0x000000000601E000-memory.dmp

      Filesize

      1.9MB

    • memory/3880-23-0x0000000005E30000-0x000000000601E000-memory.dmp

      Filesize

      1.9MB

    • memory/3880-25-0x0000000005E30000-0x000000000601E000-memory.dmp

      Filesize

      1.9MB

    • memory/3880-27-0x0000000005E30000-0x000000000601E000-memory.dmp

      Filesize

      1.9MB

    • memory/3880-29-0x0000000005E30000-0x000000000601E000-memory.dmp

      Filesize

      1.9MB

    • memory/3880-31-0x0000000005E30000-0x000000000601E000-memory.dmp

      Filesize

      1.9MB

    • memory/3880-33-0x0000000005E30000-0x000000000601E000-memory.dmp

      Filesize

      1.9MB

    • memory/3880-35-0x0000000005E30000-0x000000000601E000-memory.dmp

      Filesize

      1.9MB

    • memory/3880-41-0x0000000005E30000-0x000000000601E000-memory.dmp

      Filesize

      1.9MB

    • memory/3880-1-0x0000000073900000-0x0000000073FEE000-memory.dmp

      Filesize

      6.9MB

    • memory/3880-39-0x0000000005E30000-0x000000000601E000-memory.dmp

      Filesize

      1.9MB

    • memory/3880-43-0x0000000005E30000-0x000000000601E000-memory.dmp

      Filesize

      1.9MB

    • memory/3880-45-0x0000000005E30000-0x000000000601E000-memory.dmp

      Filesize

      1.9MB

    • memory/3880-47-0x0000000005E30000-0x000000000601E000-memory.dmp

      Filesize

      1.9MB

    • memory/3880-49-0x0000000005E30000-0x000000000601E000-memory.dmp

      Filesize

      1.9MB

    • memory/3880-51-0x0000000005E30000-0x000000000601E000-memory.dmp

      Filesize

      1.9MB

    • memory/3880-53-0x0000000005E30000-0x000000000601E000-memory.dmp

      Filesize

      1.9MB

    • memory/3880-55-0x0000000005E30000-0x000000000601E000-memory.dmp

      Filesize

      1.9MB

    • memory/3880-57-0x0000000005E30000-0x000000000601E000-memory.dmp

      Filesize

      1.9MB

    • memory/3880-59-0x0000000005E30000-0x000000000601E000-memory.dmp

      Filesize

      1.9MB

    • memory/3880-61-0x0000000005E30000-0x000000000601E000-memory.dmp

      Filesize

      1.9MB

    • memory/3880-63-0x0000000005E30000-0x000000000601E000-memory.dmp

      Filesize

      1.9MB

    • memory/3880-65-0x0000000005E30000-0x000000000601E000-memory.dmp

      Filesize

      1.9MB

    • memory/3880-67-0x0000000005E30000-0x000000000601E000-memory.dmp

      Filesize

      1.9MB

    • memory/3880-69-0x0000000005E30000-0x000000000601E000-memory.dmp

      Filesize

      1.9MB

    • memory/3880-71-0x0000000005E30000-0x000000000601E000-memory.dmp

      Filesize

      1.9MB

    • memory/3880-73-0x0000000005E30000-0x000000000601E000-memory.dmp

      Filesize

      1.9MB

    • memory/3880-75-0x0000000005E30000-0x000000000601E000-memory.dmp

      Filesize

      1.9MB

    • memory/3880-77-0x0000000005E30000-0x000000000601E000-memory.dmp

      Filesize

      1.9MB

    • memory/3880-417-0x0000000073900000-0x0000000073FEE000-memory.dmp

      Filesize

      6.9MB

    • memory/3880-487-0x0000000005BF0000-0x0000000005C00000-memory.dmp

      Filesize

      64KB

    • memory/3880-597-0x0000000070560000-0x0000000070597000-memory.dmp

      Filesize

      220KB