Analysis

  • max time kernel
    54s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    22/10/2024, 02:21

General

  • Target

    b8b234f9e83246bcd3bbd9912277bcc479b777773cb9c573d7c17b707d2e511c.exe

  • Size

    2.1MB

  • MD5

    fc451f28cd7b67f26e3a70e4063cf3e3

  • SHA1

    6e1703ef6df6261b5ca66c9f44f57fe3cc89b888

  • SHA256

    b8b234f9e83246bcd3bbd9912277bcc479b777773cb9c573d7c17b707d2e511c

  • SHA512

    57f3dc23dc41fc6224e5e10002851406bd9503483f8cfe17e1111a091290558b8e8794bc85e9bd3c0a40760de246d407b082e9a77b12ee7bdf760a3f517b3d59

  • SSDEEP

    49152:pVAbwqtogFa7ghSPjUrNIPq6rlSfccB8n5OeqX3rYMPfQ:fANtogF/hdGJxE7eqX05

Malware Config

Signatures

  • Detect Neshta payload 7 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Executes dropped EXE 2 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 use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b8b234f9e83246bcd3bbd9912277bcc479b777773cb9c573d7c17b707d2e511c.exe
    "C:\Users\Admin\AppData\Local\Temp\b8b234f9e83246bcd3bbd9912277bcc479b777773cb9c573d7c17b707d2e511c.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:108
    • C:\Users\Admin\AppData\Local\Temp\3582-490\b8b234f9e83246bcd3bbd9912277bcc479b777773cb9c573d7c17b707d2e511c.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\b8b234f9e83246bcd3bbd9912277bcc479b777773cb9c573d7c17b707d2e511c.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2524
      • C:\Users\Admin\AppData\Local\Temp\7zSCD929538\setup.exe
        C:\Users\Admin\AppData\Local\Temp\7zSCD929538\setup.exe --server-tracking-blob=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
        3⤵
        • Executes dropped EXE
        PID:2424

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

  • C:\Users\Admin\AppData\Local\Temp\7zSCD929538\setup.exe

    Filesize

    5.3MB

    MD5

    79cdbdcb845da2203425f8882d1eee84

    SHA1

    f8a82f8615308412e54c03eeea46dd4cf6bcf26a

    SHA256

    c4e2e44e1fe4cbb1ec2883134494bf364aebe39c58fdf17e3024fdb9842db3fb

    SHA512

    8247a33cb2aa1286e1e000a1154a705b5ba78174de62f03505d5b03025bd1e3e1973a39fca9878dd15b3f630605b264f2c1eea3f608d6472b2c80f5a5dbf7c10

  • \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\b8b234f9e83246bcd3bbd9912277bcc479b777773cb9c573d7c17b707d2e511c.exe

    Filesize

    2.1MB

    MD5

    0debb396f46034d11ef024674e47e067

    SHA1

    18a79682561e8fd5815a3db96c727ae23092b6f4

    SHA256

    f1dd9d8549478eab3925a27bcee8a7e0f987d8ea2d6425115f46dc71be03820c

    SHA512

    f51d0aded72a81354b6b6c1e0ce1542af96aa4bdf29f8d7d84d5f9ac395aa70e06ed2dcc10288458cc0c14d4b01099c0d996ab1f0903e1c5241b55f394d4858d

  • memory/108-89-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/108-90-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/108-91-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/108-92-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/108-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/108-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB