Analysis

  • max time kernel
    84s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    12-10-2024 01:07

General

  • Target

    3235205dd9af750e9d86604e527d58c1778d199fac3f09f80bed29dc4543322bN.exe

  • Size

    2.6MB

  • MD5

    5a956c1ee60d2129be403b4d5187fea0

  • SHA1

    d91b6c811d663b47c47fb0e97ef46f0103348142

  • SHA256

    3235205dd9af750e9d86604e527d58c1778d199fac3f09f80bed29dc4543322b

  • SHA512

    ce91e3fe0615c348c83f755643a79d22cecde41e6144577ea43dee049f6f3de12d06a8a3730d3edb16ce859daaacef474b0dfd8c1baab2e39bcad94353426f90

  • SSDEEP

    24576:ogXWpCsZAHlBGVqny+PGLFwJOwbjIYWKXi7L1C4Ceq:oMHluqpaywWIYWB7L1vTq

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 2 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 behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3235205dd9af750e9d86604e527d58c1778d199fac3f09f80bed29dc4543322bN.exe
    "C:\Users\Admin\AppData\Local\Temp\3235205dd9af750e9d86604e527d58c1778d199fac3f09f80bed29dc4543322bN.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:1984
    • C:\Users\Admin\AppData\Local\Temp\3582-490\3235205dd9af750e9d86604e527d58c1778d199fac3f09f80bed29dc4543322bN.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\3235205dd9af750e9d86604e527d58c1778d199fac3f09f80bed29dc4543322bN.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:2532

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

  • \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\3235205dd9af750e9d86604e527d58c1778d199fac3f09f80bed29dc4543322bN.exe

    Filesize

    2.6MB

    MD5

    1938738c4b5ae3512c95f2d795adc34d

    SHA1

    96eac443555e85ccab74931bdb77addb0c0e5798

    SHA256

    af658fe502e540f018d9863922d041ad305924f042ff7caa833169514954b353

    SHA512

    d6d5ff45f8f498a60ee9c125da84facd42c23886a1f1ff1ae4fb0194fc8a891d8e09841b6b09a58fe4c9f415111e6942b33ee7759d5ba7bf4bfa33e5119ee6fc

  • memory/1984-84-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1984-86-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB