Analysis

  • max time kernel
    118s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    10-01-2025 23:20

General

  • Target

    482fd8dfef3fa39a6a260d6111e82e6f1ff63d42b98de6fbe0826118d9b5776c.exe

  • Size

    1.2MB

  • MD5

    946bf7a69a0fc8dbadc7b4a02b439498

  • SHA1

    5ef1de4d0fb7c856682db187de45e04f1ef89b0d

  • SHA256

    482fd8dfef3fa39a6a260d6111e82e6f1ff63d42b98de6fbe0826118d9b5776c

  • SHA512

    a1127aa1b863a043810539a8a11e0a85929fccdb58160fd68988f254ac8ea244f0226a963b65d6afd5eed3f10765c9089f0d3a7bf2c514d2e2bb327d91e54de7

  • SSDEEP

    24576:OAR5xBkCvV6Rytjzw2rYTC4zRmJjDQkDFnsHP40:O+5xWC9TFzw24C49miSor

Malware Config

Signatures

  • Detect Neshta payload 6 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.

  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\482fd8dfef3fa39a6a260d6111e82e6f1ff63d42b98de6fbe0826118d9b5776c.exe
    "C:\Users\Admin\AppData\Local\Temp\482fd8dfef3fa39a6a260d6111e82e6f1ff63d42b98de6fbe0826118d9b5776c.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\482fd8dfef3fa39a6a260d6111e82e6f1ff63d42b98de6fbe0826118d9b5776c.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\482fd8dfef3fa39a6a260d6111e82e6f1ff63d42b98de6fbe0826118d9b5776c.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:2864

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\482fd8dfef3fa39a6a260d6111e82e6f1ff63d42b98de6fbe0826118d9b5776c.exe

    Filesize

    1.2MB

    MD5

    f511efd76730fb7163b5f3b7b17ff8d1

    SHA1

    af2f7bb4889b4fd57d9db00e343a0a11f07301ed

    SHA256

    cee34f15a81ca9ec5e138cbbf20b6c9b1167a5e50507c5e1dc7158363da1ace7

    SHA512

    6f0bf17419c8899448b1ab6145a23f8cb7f7360fd1265484fad57bc6cb1e6c9f7eb1aac44041d3cc809a1db157e2db5efd8b18cfd527cd4390b06893dbed2113

  • memory/2776-88-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2776-87-0x0000000002910000-0x0000000002F22000-memory.dmp

    Filesize

    6.1MB

  • memory/2776-10-0x0000000002910000-0x0000000002F22000-memory.dmp

    Filesize

    6.1MB

  • memory/2776-89-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2776-90-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2776-91-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2776-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2864-12-0x00000000001E0000-0x00000000001E1000-memory.dmp

    Filesize

    4KB

  • memory/2864-13-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/2864-11-0x0000000000400000-0x0000000000A12000-memory.dmp

    Filesize

    6.1MB

  • memory/2864-86-0x0000000000400000-0x0000000000A12000-memory.dmp

    Filesize

    6.1MB