Analysis

  • max time kernel
    42s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    23/02/2025, 20:51

General

  • Target

    23297a4b6572221ead5171d7686dcbcfbe2304ee4a0d898b84c6e5a5a11d9091.exe

  • Size

    211KB

  • MD5

    3e554b88d8b914687cf02562ee4c3bc6

  • SHA1

    c18aa650769774ab3e4165926490b901e771c34d

  • SHA256

    23297a4b6572221ead5171d7686dcbcfbe2304ee4a0d898b84c6e5a5a11d9091

  • SHA512

    8d65077c9b0150a503a25e7e2a87f2abb41301b3315d0863b480c5be146425770503724ea7cdc0761d9ffd4c936985cbf98f7b4659f15c1f632c6d0e09758798

  • SSDEEP

    3072:sr85Cx3RBeL6oUEe5aa9Z2tYDQwMKpiKz88FhK5BSHOj:k9x3/hI+piKz88Keuj

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.

  • 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\23297a4b6572221ead5171d7686dcbcfbe2304ee4a0d898b84c6e5a5a11d9091.exe
    "C:\Users\Admin\AppData\Local\Temp\23297a4b6572221ead5171d7686dcbcfbe2304ee4a0d898b84c6e5a5a11d9091.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:2488
    • C:\Users\Admin\AppData\Local\Temp\3582-490\23297a4b6572221ead5171d7686dcbcfbe2304ee4a0d898b84c6e5a5a11d9091.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\23297a4b6572221ead5171d7686dcbcfbe2304ee4a0d898b84c6e5a5a11d9091.exe"
      2⤵
      • Executes dropped EXE
      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\23297a4b6572221ead5171d7686dcbcfbe2304ee4a0d898b84c6e5a5a11d9091.exe

    Filesize

    171KB

    MD5

    f01193b75dd58495a29077854913d748

    SHA1

    fab27fec8aeb77dab78c789e67c898a9986af03b

    SHA256

    c4152588fe0d858f7b549c2b0e905bc5915063912a6e29e1796851aedba15a1f

    SHA512

    d0039ce94b1fddb59f9eb34169cbc1c317ec731ff5fd3812aab7febf4aae15bf604656565425d76fa641d3a4893b137f43d2a645495f12d05dd26f9a4ddbed13

  • memory/2488-82-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2488-83-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2488-84-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2488-85-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2488-87-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB