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Analysis

  • max time kernel
    147s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    11/05/2024, 01:59

General

  • Target

    e3b090f044833c0e9328593357138a307bcf2ce0ab4badc3fd766b83beb4af1b.exe

  • Size

    332KB

  • MD5

    93ed4d71925bf64cc42cc9dd295d0394

  • SHA1

    bb1feb06a69b108e103435bb5b498aab3c7315af

  • SHA256

    e3b090f044833c0e9328593357138a307bcf2ce0ab4badc3fd766b83beb4af1b

  • SHA512

    88a9d09fd2ba60f051bc86bf4c7dad87acbca6348e7380e21d635665aeaf7231842a7bd5f2b729bc93221bd6aa391e893f6f53d2c575aeadf512617b0d423f8e

  • SSDEEP

    6144:EYa6EIIIIBDs7abo+8dlqp5PhyOH+lMkMPHTEJp7eOm9t1t7N1e:EYCw+bl5ZyOelMLLEJE19tP7N4

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e3b090f044833c0e9328593357138a307bcf2ce0ab4badc3fd766b83beb4af1b.exe
    "C:\Users\Admin\AppData\Local\Temp\e3b090f044833c0e9328593357138a307bcf2ce0ab4badc3fd766b83beb4af1b.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1612
    • C:\Users\Admin\AppData\Local\Temp\e3b090f044833c0e9328593357138a307bcf2ce0ab4badc3fd766b83beb4af1b.exe
      "C:\Users\Admin\AppData\Local\Temp\e3b090f044833c0e9328593357138a307bcf2ce0ab4badc3fd766b83beb4af1b.exe"
      2⤵
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      PID:2096

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\nst9B67.tmp\System.dll

    Filesize

    12KB

    MD5

    cff85c549d536f651d4fb8387f1976f2

    SHA1

    d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e

    SHA256

    8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8

    SHA512

    531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88

  • memory/1612-8-0x0000000076E31000-0x0000000076F32000-memory.dmp

    Filesize

    1.0MB

  • memory/1612-9-0x0000000076E30000-0x0000000076FD9000-memory.dmp

    Filesize

    1.7MB

  • memory/2096-10-0x0000000076E30000-0x0000000076FD9000-memory.dmp

    Filesize

    1.7MB

  • memory/2096-21-0x0000000000470000-0x00000000014D2000-memory.dmp

    Filesize

    16.4MB