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
    16-12-2024 19:45

General

  • Target

    0f602b1ca1b75a289a107b422c79a2f1ea303e585ae87be24314977f3621a8d4.exe

  • Size

    201KB

  • MD5

    98a8a149332de1598102af4f45ed7347

  • SHA1

    a651ef6471473c09e6afddb5f5a92664301a373e

  • SHA256

    0f602b1ca1b75a289a107b422c79a2f1ea303e585ae87be24314977f3621a8d4

  • SHA512

    cdb5c5476196e0c346bf8a4674bb23b6794a265f85edce7e3f5778af9fd9112316ff60c14385983b7797c49f0be15e699dc3653c3b708a3b161e8720847fdb15

  • SSDEEP

    3072:sr85CrOeZ/XyHIplTnTpw/8IBwZpRVJEMVDqyJ2z9IDqQT6jO5/X9KxymRximtif:k9/DAIVJ9D3J2z9I+BjyVYo6Y9D

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 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
  • Modifies system certificate store 2 TTPs 10 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0f602b1ca1b75a289a107b422c79a2f1ea303e585ae87be24314977f3621a8d4.exe
    "C:\Users\Admin\AppData\Local\Temp\0f602b1ca1b75a289a107b422c79a2f1ea303e585ae87be24314977f3621a8d4.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:2292
    • C:\Users\Admin\AppData\Local\Temp\3582-490\0f602b1ca1b75a289a107b422c79a2f1ea303e585ae87be24314977f3621a8d4.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\0f602b1ca1b75a289a107b422c79a2f1ea303e585ae87be24314977f3621a8d4.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      PID:2460

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

  • C:\Users\Admin\AppData\Local\Temp\3582-490\0f602b1ca1b75a289a107b422c79a2f1ea303e585ae87be24314977f3621a8d4.exe

    Filesize

    161KB

    MD5

    38c9ada0c45c14dd85a318ecede5eac1

    SHA1

    25767b18dcee9a6ef03f122796773ac35a0147b2

    SHA256

    b08132d3392058942ec8718eacb1ed7972b1ec1b0f9ff8f49bb295bb7d6ae74e

    SHA512

    f14af9cc463d8030e703b43b7a371a09f166007f9ee5783046768127aa78132ff608d6f53c8ddec5df9504520a00cea86892f93c05e03c3b77b170ffd8efa216

  • C:\Users\Admin\AppData\Local\Temp\CabC831.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarC853.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE

    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • memory/2292-163-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2292-165-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2460-10-0x0000000074331000-0x0000000074332000-memory.dmp

    Filesize

    4KB

  • memory/2460-13-0x0000000074330000-0x00000000748DB000-memory.dmp

    Filesize

    5.7MB

  • memory/2460-14-0x0000000074330000-0x00000000748DB000-memory.dmp

    Filesize

    5.7MB

  • memory/2460-162-0x0000000074330000-0x00000000748DB000-memory.dmp

    Filesize

    5.7MB