Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22-11-2024 00:50

General

  • Target

    714992b98ae69fb5fae9797eceb3e0ba847c5b9c50250e61e7b227277188643b.exe

  • Size

    150KB

  • MD5

    debfadfbc309b0eb2e19bdd68ca7c271

  • SHA1

    b3f9741221b1058fdc99be2b9e77e512c91d450c

  • SHA256

    714992b98ae69fb5fae9797eceb3e0ba847c5b9c50250e61e7b227277188643b

  • SHA512

    b1bfee2f06e5b7280faf9c9923bf93e03ac18b659c526b2c22473af3761d2fe49fa26196917cbaba5093bd61cbe46ee4f68562a56a966208b325c0872cc71066

  • SSDEEP

    3072:sr85CbBcOiK0DbsPw2JqBcH6HZQ67mTuPwBhF9KGjItV/sYl:k9bBYK0qqB9weV/Zl

Malware Config

Signatures

  • Detect Neshta payload 2 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 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 WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\714992b98ae69fb5fae9797eceb3e0ba847c5b9c50250e61e7b227277188643b.exe
    "C:\Users\Admin\AppData\Local\Temp\714992b98ae69fb5fae9797eceb3e0ba847c5b9c50250e61e7b227277188643b.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:2776
    • C:\Users\Admin\AppData\Local\Temp\3582-490\714992b98ae69fb5fae9797eceb3e0ba847c5b9c50250e61e7b227277188643b.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\714992b98ae69fb5fae9797eceb3e0ba847c5b9c50250e61e7b227277188643b.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: GetForegroundWindowSpam
      PID:2968

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\714992b98ae69fb5fae9797eceb3e0ba847c5b9c50250e61e7b227277188643b.exe

    Filesize

    110KB

    MD5

    1dd0abd8f5577f74e9419faadc09a86b

    SHA1

    6b16c518abf7a478854e0856d8259058acd8fb77

    SHA256

    16ed9421988a43e362223e0238445bfc89bd264b5d6409f12484b937b76fc96e

    SHA512

    a1cd6aedbbb133da96c7b83f84962a17c8bdf42a3a34a570f270b971fb6e6acb6098c5e0419ff150d5418e4e742271109cc11fc0c790b3e68444c4e04a897136

  • memory/2776-84-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB