Analysis

  • max time kernel
    119s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    29-10-2024 01:04

General

  • Target

    760124d64d0768752264f1e0cbaf3c11e187b457c04b97f3c5791aa9963ddfa0.exe

  • Size

    5.9MB

  • MD5

    a37aa0895086be9a9cac3c8c379f1a90

  • SHA1

    8986841df3faa261873211c5385c96b63fbf5da2

  • SHA256

    760124d64d0768752264f1e0cbaf3c11e187b457c04b97f3c5791aa9963ddfa0

  • SHA512

    d61b1ee156e9cdb7f1bd9b1b8671d66036ac6679e1b633e4b649f606cfac63f3d5102a15269dab171e62a1ddce9298c53c432a645d6ce4ad022d979e32b727db

  • SSDEEP

    98304:fC4T2T4KZAznI1f5fjXAJyhi0LXKDkBAjfjejYvpPd:fC4T2T44AznI1f5fjXsyhi0LaDkBAjfR

Malware Config

Signatures

  • Detect Neshta payload 5 IoCs
  • Neshta

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

  • Neshta family
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\760124d64d0768752264f1e0cbaf3c11e187b457c04b97f3c5791aa9963ddfa0.exe
    "C:\Users\Admin\AppData\Local\Temp\760124d64d0768752264f1e0cbaf3c11e187b457c04b97f3c5791aa9963ddfa0.exe"
    1⤵
    • Loads dropped DLL
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2320
    • C:\Users\Admin\AppData\Local\Temp\3582-490\760124d64d0768752264f1e0cbaf3c11e187b457c04b97f3c5791aa9963ddfa0.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\760124d64d0768752264f1e0cbaf3c11e187b457c04b97f3c5791aa9963ddfa0.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:2568

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe

    Filesize

    547KB

    MD5

    cf6c595d3e5e9667667af096762fd9c4

    SHA1

    9bb44da8d7f6457099cb56e4f7d1026963dce7ce

    SHA256

    593e60cc30ae0789448547195af77f550387f6648d45847ea244dd0dd7abf03d

    SHA512

    ff4f789df9e6a6d0fbe12b3250f951fcf11e857906c65e96a30bb46266e7e1180d6103a03db2f3764e0d1346b2de7afba8259ba080057e4a268e45e8654dfa80

  • C:\Users\Admin\AppData\Local\Temp\3582-490\760124d64d0768752264f1e0cbaf3c11e187b457c04b97f3c5791aa9963ddfa0.exe

    Filesize

    5.8MB

    MD5

    77004a259b739283f5f6621d7837f73d

    SHA1

    7e3da85d8ee07478132050369dec47e99f9842fe

    SHA256

    907422126ee022aec2e024284fbecc8410ee583c653ff23384b8c6298f2df68b

    SHA512

    d3f2705cf5f76d25be9aa4ec2045b952df03b35fadb69a90421a971aefe3204705be0aa17aa6c06ded72dc4ce44f6ef778a149ba4b33acbd769daec89de2dee1

  • \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE

    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • memory/2320-88-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2320-89-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2320-90-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2320-92-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB