Analysis

  • max time kernel
    145s
  • max time network
    108s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    12-06-2022 05:22

General

  • Target

    22637d2214e278f35da8302a6970a1e327dc2be14eb108172d2427e4473ab51c.exe

  • Size

    485KB

  • MD5

    2879ccafd838a57a71edcae0f1e3eb81

  • SHA1

    d1198d2cfac5bc41117dc036c680df3b2e94dba6

  • SHA256

    22637d2214e278f35da8302a6970a1e327dc2be14eb108172d2427e4473ab51c

  • SHA512

    754adeae2214e3d5579553f9a890a65c0b4c7a6fdd9c98a08b03d35ca2d9f3dc28cc9a72b45bb4632370b92db9564c0c6a72fe809648a21ac22db8335237f841

Malware Config

Signatures

  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\22637d2214e278f35da8302a6970a1e327dc2be14eb108172d2427e4473ab51c.exe
    "C:\Users\Admin\AppData\Local\Temp\22637d2214e278f35da8302a6970a1e327dc2be14eb108172d2427e4473ab51c.exe"
    1⤵
    • Modifies system executable filetype association
    • Checks computer location settings
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:360
    • C:\Users\Admin\AppData\Local\Temp\3582-490\22637d2214e278f35da8302a6970a1e327dc2be14eb108172d2427e4473ab51c.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\22637d2214e278f35da8302a6970a1e327dc2be14eb108172d2427e4473ab51c.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2960
      • C:\Users\Admin\AppData\Local\Temp\3582-490\22637d2214e278f35da8302a6970a1e327dc2be14eb108172d2427e4473ab51c.exe
        "C:\Users\Admin\AppData\Local\Temp\3582-490\22637d2214e278f35da8302a6970a1e327dc2be14eb108172d2427e4473ab51c.exe" -burn.unelevated BurnPipe.{1A00290B-279E-49F3-84ED-241A0C493C2C} {92CB1AAB-4D84-4F4E-899D-8911B5D8FEB7} 2960
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:3284

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\22637d2214e278f35da8302a6970a1e327dc2be14eb108172d2427e4473ab51c.exe

    Filesize

    444KB

    MD5

    2b48f69517044d82e1ee675b1690c08b

    SHA1

    83ca22c8a8e9355d2b184c516e58b5400d8343e0

    SHA256

    507bdc3ab5a6d9ddba2df68aff6f59572180134252f5eb8cb46f9bb23006b496

    SHA512

    97d9b130a483263ddf59c35baceba999d7c8db4effc97bcb935cb57acc7c8d46d3681c95e24975a099e701997330c6c6175e834ddb16abc48d5e9827c74a325b

  • C:\Users\Admin\AppData\Local\Temp\3582-490\22637d2214e278f35da8302a6970a1e327dc2be14eb108172d2427e4473ab51c.exe

    Filesize

    444KB

    MD5

    2b48f69517044d82e1ee675b1690c08b

    SHA1

    83ca22c8a8e9355d2b184c516e58b5400d8343e0

    SHA256

    507bdc3ab5a6d9ddba2df68aff6f59572180134252f5eb8cb46f9bb23006b496

    SHA512

    97d9b130a483263ddf59c35baceba999d7c8db4effc97bcb935cb57acc7c8d46d3681c95e24975a099e701997330c6c6175e834ddb16abc48d5e9827c74a325b

  • C:\Users\Admin\AppData\Local\Temp\3582-490\22637d2214e278f35da8302a6970a1e327dc2be14eb108172d2427e4473ab51c.exe

    Filesize

    444KB

    MD5

    2b48f69517044d82e1ee675b1690c08b

    SHA1

    83ca22c8a8e9355d2b184c516e58b5400d8343e0

    SHA256

    507bdc3ab5a6d9ddba2df68aff6f59572180134252f5eb8cb46f9bb23006b496

    SHA512

    97d9b130a483263ddf59c35baceba999d7c8db4effc97bcb935cb57acc7c8d46d3681c95e24975a099e701997330c6c6175e834ddb16abc48d5e9827c74a325b

  • C:\Users\Admin\AppData\Local\Temp\{ca67548a-5ebe-413a-b50c-4b9ceb6d66c6}\.ba1\wixstdba.dll

    Filesize

    126KB

    MD5

    d7bf29763354eda154aad637017b5483

    SHA1

    dfa7d296bfeecde738ef4708aaabfebec6bc1e48

    SHA256

    7f5f8fcfd84132579f07e395e65b44e1b031fe01a299bce0e3dd590131c5cb93

    SHA512

    1c76175732fe68b9b12cb46077daa21e086041adbd65401717a9a1b5f3c516e03c35a90897c22c7281647d6af4a1a5ffb3fbd5706ea376d8f6e574d27396019c

  • memory/2960-130-0x0000000000000000-mapping.dmp

  • memory/3284-133-0x0000000000000000-mapping.dmp