Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    05-11-2023 09:52

General

  • Target

    NEAS.f95e320469226175f329582354c130a0.exe

  • Size

    3.7MB

  • MD5

    f95e320469226175f329582354c130a0

  • SHA1

    4f36b94c084a04091d7a1182453d81ab8c7e8ad4

  • SHA256

    d583844782618e08595c37caa482d5dab7868ee706fb741afa88cbd5a175fbc0

  • SHA512

    58d89e8918b26ff8f8353f829a6123e3e4c384a5635ebd2679b7f6e614c1733c3b046896269f771acd0d462201b583d3eaca5ae27565139e7c185a4af8dfe6de

  • SSDEEP

    98304:X4pYXtWHdmxQlhhQNNiujTiptKSl1g4kfGlsXFAXPYHYhQ:jumxQlhhQNNiujTiptKSl1g4kfGlsXF3

Malware Config

Signatures

  • Malware Backdoor - Berbew 5 IoCs

    Berbew is a malware infection classified as a 'backdoor' Trojan. This malicious program's primary function is to cause chain infections - it can download/install additional malware such as other Trojans, ransomware, and cryptominers.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.f95e320469226175f329582354c130a0.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.f95e320469226175f329582354c130a0.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:2176
    • C:\Users\Admin\AppData\Local\Temp\NEAS.f95e320469226175f329582354c130a0.exe
      C:\Users\Admin\AppData\Local\Temp\NEAS.f95e320469226175f329582354c130a0.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:2888
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2888 -s 144
        3⤵
        • Loads dropped DLL
        • Program crash
        PID:2272

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\NEAS.f95e320469226175f329582354c130a0.exe

    Filesize

    3.7MB

    MD5

    7193fbcb39442da1391d5a32365038f4

    SHA1

    e1cfb9fecb8ba0457956358936f73188c32c889c

    SHA256

    3bf0dd0318a5def86d9a9b22f8e3a8d52c5a51a3cc1a84b020077f6cefcbb57c

    SHA512

    a94b9ef5a48bae539346faf7ecbb1bc3c375e12c38b78a5017a9e48c767d4c6a5a9c76406bf814b0279bd4b0a7c9f068ffabf1deaf88e4a0b556ba8782565ffd

  • \Users\Admin\AppData\Local\Temp\NEAS.f95e320469226175f329582354c130a0.exe

    Filesize

    3.7MB

    MD5

    7193fbcb39442da1391d5a32365038f4

    SHA1

    e1cfb9fecb8ba0457956358936f73188c32c889c

    SHA256

    3bf0dd0318a5def86d9a9b22f8e3a8d52c5a51a3cc1a84b020077f6cefcbb57c

    SHA512

    a94b9ef5a48bae539346faf7ecbb1bc3c375e12c38b78a5017a9e48c767d4c6a5a9c76406bf814b0279bd4b0a7c9f068ffabf1deaf88e4a0b556ba8782565ffd

  • \Users\Admin\AppData\Local\Temp\NEAS.f95e320469226175f329582354c130a0.exe

    Filesize

    3.7MB

    MD5

    7193fbcb39442da1391d5a32365038f4

    SHA1

    e1cfb9fecb8ba0457956358936f73188c32c889c

    SHA256

    3bf0dd0318a5def86d9a9b22f8e3a8d52c5a51a3cc1a84b020077f6cefcbb57c

    SHA512

    a94b9ef5a48bae539346faf7ecbb1bc3c375e12c38b78a5017a9e48c767d4c6a5a9c76406bf814b0279bd4b0a7c9f068ffabf1deaf88e4a0b556ba8782565ffd

  • \Users\Admin\AppData\Local\Temp\NEAS.f95e320469226175f329582354c130a0.exe

    Filesize

    3.7MB

    MD5

    7193fbcb39442da1391d5a32365038f4

    SHA1

    e1cfb9fecb8ba0457956358936f73188c32c889c

    SHA256

    3bf0dd0318a5def86d9a9b22f8e3a8d52c5a51a3cc1a84b020077f6cefcbb57c

    SHA512

    a94b9ef5a48bae539346faf7ecbb1bc3c375e12c38b78a5017a9e48c767d4c6a5a9c76406bf814b0279bd4b0a7c9f068ffabf1deaf88e4a0b556ba8782565ffd

  • \Users\Admin\AppData\Local\Temp\NEAS.f95e320469226175f329582354c130a0.exe

    Filesize

    3.7MB

    MD5

    7193fbcb39442da1391d5a32365038f4

    SHA1

    e1cfb9fecb8ba0457956358936f73188c32c889c

    SHA256

    3bf0dd0318a5def86d9a9b22f8e3a8d52c5a51a3cc1a84b020077f6cefcbb57c

    SHA512

    a94b9ef5a48bae539346faf7ecbb1bc3c375e12c38b78a5017a9e48c767d4c6a5a9c76406bf814b0279bd4b0a7c9f068ffabf1deaf88e4a0b556ba8782565ffd

  • memory/2176-0-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/2176-6-0x0000000002D10000-0x0000000002DF8000-memory.dmp

    Filesize

    928KB

  • memory/2176-8-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/2888-11-0x0000000003060000-0x0000000003148000-memory.dmp

    Filesize

    928KB

  • memory/2888-10-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/2888-15-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB