Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07-12-2024 20:40

General

  • Target

    b6d474a8cf2492082d480a0201373506796cf0c649c97ea17cd4aa684611c53fN.exe

  • Size

    325KB

  • MD5

    8be71937e0075876af2141e160aa5120

  • SHA1

    a2505f7429e2312a9988829c9c1a830908999b3e

  • SHA256

    b6d474a8cf2492082d480a0201373506796cf0c649c97ea17cd4aa684611c53f

  • SHA512

    59c615df77cbf9647512a4b8dcdb7c10662dc23f8b564238b554568cc67af12f94aab026f2bdb06215851406828de5ad915f486ae523751f154ca8ac8972dac3

  • SSDEEP

    6144:k936YlsLeVQvmjiVg69qactBigmK2RCCGxTu:8Ae2mjiVg69cvigr8CCGxTu

Malware Config

Signatures

  • Detect Neshta payload 3 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 1 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 1 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\b6d474a8cf2492082d480a0201373506796cf0c649c97ea17cd4aa684611c53fN.exe
    "C:\Users\Admin\AppData\Local\Temp\b6d474a8cf2492082d480a0201373506796cf0c649c97ea17cd4aa684611c53fN.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
    PID:2980
    • C:\Users\Admin\AppData\Local\Temp\3582-490\b6d474a8cf2492082d480a0201373506796cf0c649c97ea17cd4aa684611c53fN.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\b6d474a8cf2492082d480a0201373506796cf0c649c97ea17cd4aa684611c53fN.exe"
      2⤵
      • Executes dropped EXE
      PID:2752

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\b6d474a8cf2492082d480a0201373506796cf0c649c97ea17cd4aa684611c53fN.exe

    Filesize

    285KB

    MD5

    6e6212ddf958c53a1897c8615dbdcde0

    SHA1

    06d1ad6e1e38119e03fbf61e97b30f9d4ff82f45

    SHA256

    857d2c1e82ba5d73cf8f0f56092b5778319518f1e285a30ffda9af46b6e77942

    SHA512

    2e9d0d720c83dbb6c5df788a52acd1f6a088ebb98fc5cad3a97481f5d9187e487757ff98cde1e497c29a3dc1a67e8bfe578c82413348233b20aec2cc40e32537

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

    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • memory/2980-81-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2980-83-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB