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Analysis

  • max time kernel
    162s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    02/11/2023, 16:43

General

  • Target

    NEAS.504d17a12979a4b9de5d58f6074d5d30.exe

  • Size

    116KB

  • MD5

    504d17a12979a4b9de5d58f6074d5d30

  • SHA1

    8f469972a2ead49b23766e207427d0ae75ba06e5

  • SHA256

    e2149b893b02c75d2948ca5063c1b43adfea0e0e68d1f2014de8c8a70658b25d

  • SHA512

    46642fe8dd1e7c11b2bc52dd7a278c7288cf6a6a4af3465f3cb098d1acc2e47cb18430660d65bca8a0ef9f7aa4a204e312a076ad877d5eeff446f88927e8a42b

  • SSDEEP

    3072:bvWK5CiTVUqSZnIh5MgJY6R6vpK0HYAQBiiZhZzazTF:TN5xVUxZnIXMgJY6UeAQBishZzazp

Malware Config

Signatures

  • Malware Backdoor - Berbew 2 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 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.504d17a12979a4b9de5d58f6074d5d30.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.504d17a12979a4b9de5d58f6074d5d30.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2620
    • C:\Users\Admin\AppData\Local\Temp\NEAS.504d17a12979a4b9de5d58f6074d5d30.exe
      C:\Users\Admin\AppData\Local\Temp\NEAS.504d17a12979a4b9de5d58f6074d5d30.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of UnmapMainImage
      PID:1732

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\NEAS.504d17a12979a4b9de5d58f6074d5d30.exe

    Filesize

    116KB

    MD5

    c2b570c71304ba8376cffaeced8b9b08

    SHA1

    4d71ab1872b0217957237cc32dc1c994a97f3acb

    SHA256

    9123e9b60ee9936d38247dab7cd9aba32397d4aa2da5f05662303c5f71e6ffce

    SHA512

    067d8076b526e59a4cef61863f0e849b5e179937525705be38c161381a8a7e3432ba2d1623f98e6f2be776e5fc7e1e0d6170eef7a1fae6aec67e48ad0c51207b

  • \Users\Admin\AppData\Local\Temp\NEAS.504d17a12979a4b9de5d58f6074d5d30.exe

    Filesize

    116KB

    MD5

    c2b570c71304ba8376cffaeced8b9b08

    SHA1

    4d71ab1872b0217957237cc32dc1c994a97f3acb

    SHA256

    9123e9b60ee9936d38247dab7cd9aba32397d4aa2da5f05662303c5f71e6ffce

    SHA512

    067d8076b526e59a4cef61863f0e849b5e179937525705be38c161381a8a7e3432ba2d1623f98e6f2be776e5fc7e1e0d6170eef7a1fae6aec67e48ad0c51207b

  • memory/1732-17-0x00000000002E0000-0x000000000031D000-memory.dmp

    Filesize

    244KB

  • memory/1732-23-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/1732-24-0x0000000000340000-0x000000000035B000-memory.dmp

    Filesize

    108KB

  • memory/1732-29-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/2620-0-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/2620-2-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2620-1-0x00000000002E0000-0x000000000031D000-memory.dmp

    Filesize

    244KB

  • memory/2620-12-0x0000000000320000-0x000000000035D000-memory.dmp

    Filesize

    244KB

  • memory/2620-15-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB