Analysis

  • max time kernel
    16s
  • max time network
    20s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    11/10/2024, 20:51

General

  • Target

    116220caae0fcfe6abe904a56322e9dc2ef079aabfc0bcecd2994d3373d096b0N.exe

  • Size

    3.9MB

  • MD5

    df3d7b493f00a483a806217ff5005c90

  • SHA1

    b08234402472ec6d27330743caf6868c2ea663bb

  • SHA256

    116220caae0fcfe6abe904a56322e9dc2ef079aabfc0bcecd2994d3373d096b0

  • SHA512

    5c687b7b192266179a231e1e15c6fb1ea419ef37c8bee726d302ba42c320a2cfc02966bb216ae3ced91429350d0a09526df4c2695d28b55a4fa3d25be80793ce

  • SSDEEP

    49152:Mcyvc/j0aExFdNpTznTgMl5iSaHNvYfdEbLmq:fUc/idNpT78MwWAmq

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.

  • 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 WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\116220caae0fcfe6abe904a56322e9dc2ef079aabfc0bcecd2994d3373d096b0N.exe
    "C:\Users\Admin\AppData\Local\Temp\116220caae0fcfe6abe904a56322e9dc2ef079aabfc0bcecd2994d3373d096b0N.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:2528
    • C:\Users\Admin\AppData\Local\Temp\3582-490\116220caae0fcfe6abe904a56322e9dc2ef079aabfc0bcecd2994d3373d096b0N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\116220caae0fcfe6abe904a56322e9dc2ef079aabfc0bcecd2994d3373d096b0N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2692

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          547KB

          MD5

          cf6c595d3e5e9667667af096762fd9c4

          SHA1

          9bb44da8d7f6457099cb56e4f7d1026963dce7ce

          SHA256

          593e60cc30ae0789448547195af77f550387f6648d45847ea244dd0dd7abf03d

          SHA512

          ff4f789df9e6a6d0fbe12b3250f951fcf11e857906c65e96a30bb46266e7e1180d6103a03db2f3764e0d1346b2de7afba8259ba080057e4a268e45e8654dfa80

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

          Filesize

          252KB

          MD5

          9e2b9928c89a9d0da1d3e8f4bd96afa7

          SHA1

          ec66cda99f44b62470c6930e5afda061579cde35

          SHA256

          8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

          SHA512

          2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

        • \Users\Admin\AppData\Local\Temp\3582-490\116220caae0fcfe6abe904a56322e9dc2ef079aabfc0bcecd2994d3373d096b0N.exe

          Filesize

          3.9MB

          MD5

          70ed801c97eaae0c46b0b3d35508f430

          SHA1

          d6353510afb05bd07750b955035dc90300709d97

          SHA256

          0fb2c84a0b0417471e0408fea41580a59a87070cfe7e1af4146f5c6bbcbe1dae

          SHA512

          9fad8b134e1d50950ba1cb582e774bd46d44f3b2c87f5751190986e54b2eb7c66ba1effaf5004d5ea05762afd0bddb8cdbf030948c336a9ec520bc271c6d602e

        • memory/2528-90-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/2528-92-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/2692-17-0x00000000001C0000-0x00000000001C1000-memory.dmp

          Filesize

          4KB

        • memory/2692-16-0x0000000000400000-0x00000000007EB000-memory.dmp

          Filesize

          3.9MB