Analysis

  • max time kernel
    87s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    08-12-2024 02:32

General

  • Target

    5b47333163ebb44b30b8a7053bf7ab588158660838adbbabc9ef99e9c0eacb52N.exe

  • Size

    1.1MB

  • MD5

    04c29591316f9c05d51fdb076e0cd560

  • SHA1

    9c74276be8fd860c0294909ec488062f5d5643e7

  • SHA256

    5b47333163ebb44b30b8a7053bf7ab588158660838adbbabc9ef99e9c0eacb52

  • SHA512

    72ef7b15e859cc623e5d5a5be565fc0e74f6142273726e70a0af1e1b45492bca64f9645534748bcc5820e50b054c14bd863d402afde91b9f54066994458a079f

  • SSDEEP

    12288:qNU8BCNNpllFFCH5LvNzbjeA/ao/C3av8itjd5aZxd11h6TpcdHcH52zHkpvyJlz:HJNF6jeAh78Md5a3dDkTkHcYIpvyTz

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 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 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
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5b47333163ebb44b30b8a7053bf7ab588158660838adbbabc9ef99e9c0eacb52N.exe
    "C:\Users\Admin\AppData\Local\Temp\5b47333163ebb44b30b8a7053bf7ab588158660838adbbabc9ef99e9c0eacb52N.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:2616
    • C:\Users\Admin\AppData\Local\Temp\3582-490\5b47333163ebb44b30b8a7053bf7ab588158660838adbbabc9ef99e9c0eacb52N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\5b47333163ebb44b30b8a7053bf7ab588158660838adbbabc9ef99e9c0eacb52N.exe"
      2⤵
      • Executes dropped EXE
      PID:2496

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\5b47333163ebb44b30b8a7053bf7ab588158660838adbbabc9ef99e9c0eacb52N.exe

    Filesize

    1.1MB

    MD5

    4bffe919ad73512c86c48f892c0567d4

    SHA1

    816711167709f668c0cee92501c00c3860c1b0c3

    SHA256

    8eafd8752f7d5cfdeee0b4c75a02429d21603ed1c2fc4b80796949a83e25184d

    SHA512

    20a5e5bede902e0189a8b9b270d9b1772eaab43f1525aa5ccf476458cb80d4e8cf463e1638fcfb07a8310c10d243c211a03fad6004b6230c69bacfba4ff1028f

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

    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • memory/2616-82-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2616-84-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB