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Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    15/01/2025, 21:53

General

  • Target

    2861884f86b9c7f24c3d4216a4695333df027cbac0c3bf533e684afd8a05fc34.exe

  • Size

    884KB

  • MD5

    4f18e57177d694c64ca68c08165b9e3f

  • SHA1

    46ed1dc7af2f59718742be4dcd7f1fb966d7ae2e

  • SHA256

    2861884f86b9c7f24c3d4216a4695333df027cbac0c3bf533e684afd8a05fc34

  • SHA512

    f6715352695d568d15a21eeac031c309a0cf2212a50602fad1360081b786aa03d244ffac961f8bf3ce4daeeacbeb676970cedd2131f3166377ae26702d5215f9

  • SSDEEP

    12288:VooxfGYBfrIHwH5LdW99vYFiTG9gniGXHlhHVDvZ8Ed:VooxfGY142dWHYFiTG9gniizDvZ8A

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 3 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\2861884f86b9c7f24c3d4216a4695333df027cbac0c3bf533e684afd8a05fc34.exe
    "C:\Users\Admin\AppData\Local\Temp\2861884f86b9c7f24c3d4216a4695333df027cbac0c3bf533e684afd8a05fc34.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:2624
    • C:\Users\Admin\AppData\Local\Temp\3582-490\2861884f86b9c7f24c3d4216a4695333df027cbac0c3bf533e684afd8a05fc34.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\2861884f86b9c7f24c3d4216a4695333df027cbac0c3bf533e684afd8a05fc34.exe"
      2⤵
      • Executes dropped EXE
      PID:2776

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\2861884f86b9c7f24c3d4216a4695333df027cbac0c3bf533e684afd8a05fc34.exe

    Filesize

    843KB

    MD5

    8deafca2db96321dbcd0d9180b95f81a

    SHA1

    7f20d27b43ea558205a81caf4788b5f85bc88c6d

    SHA256

    abb3e8a4cb25996d7a804c76c9cd97d19d28d03819715b20236b546afa485eec

    SHA512

    6883ebfdce106be5115a010d243e9ac742ba1709444edc935b58f062c1ba61c62777990f8b5b2d42f54bb4e525d07666528a2afdc75e7449d22e8e38f2ac49b8

  • memory/2624-85-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2624-87-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB