Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    12-10-2024 12:26

General

  • Target

    3056aed7bf5413297317bc031732993659222c0c59e686cfabbc01ea78ad29f7N.exe

  • Size

    968KB

  • MD5

    6336da763ba3b0f1e040d57502bd01c0

  • SHA1

    c163d70775158ee33b1a372ca1889d50046ab8d1

  • SHA256

    3056aed7bf5413297317bc031732993659222c0c59e686cfabbc01ea78ad29f7

  • SHA512

    2e5420f177c241106a989bb27e5d02048af3a72b6bbd8229bf9fcec439f319d4373d5afe194424e3e015930e224021f712d64c1f463da05a7ddd3e05860a7ece

  • SSDEEP

    24576:28EeQV2gbEy/vfAH4FGSu70WfbDMT9E5DGWo0WJ7drxGmY0c:28jg3/vIH49UfbYRE1tRWFoF

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.

  • 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 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3056aed7bf5413297317bc031732993659222c0c59e686cfabbc01ea78ad29f7N.exe
    "C:\Users\Admin\AppData\Local\Temp\3056aed7bf5413297317bc031732993659222c0c59e686cfabbc01ea78ad29f7N.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:2648
    • C:\Users\Admin\AppData\Local\Temp\3582-490\3056aed7bf5413297317bc031732993659222c0c59e686cfabbc01ea78ad29f7N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\3056aed7bf5413297317bc031732993659222c0c59e686cfabbc01ea78ad29f7N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2780

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\3056aed7bf5413297317bc031732993659222c0c59e686cfabbc01ea78ad29f7N.exe

    Filesize

    928KB

    MD5

    859d3489a0566f6bd2b99727c4a3cb0a

    SHA1

    9ae0ce054c4734e029c3ed580c7c7b40f6440755

    SHA256

    18b633ebd6afebe630e18345be98993d1587e9e3f7f5a4453b58e545f335c3f2

    SHA512

    2dae2883460be807e0237fd2f8d0ff476ee3cc1097b65e34678c40570da0efc7fb74fb919081566873abbfae14b180a8ad960bdbe45cedccef957668aa29189a

  • memory/2648-6-0x0000000002880000-0x0000000002913000-memory.dmp

    Filesize

    588KB

  • memory/2648-90-0x0000000002880000-0x0000000002913000-memory.dmp

    Filesize

    588KB

  • memory/2648-91-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2648-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2780-11-0x0000000000400000-0x0000000000493000-memory.dmp

    Filesize

    588KB

  • memory/2780-17-0x0000000000400000-0x0000000000493000-memory.dmp

    Filesize

    588KB