Analysis

  • max time kernel
    15s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    08-11-2024 06:22

General

  • Target

    a97a5ecd42151529c27f906dfb11bd335e6971adb65c21c19c704c4f5811834bN.exe

  • Size

    90KB

  • MD5

    5d1ef86c50d176d32871af04a4d62ef0

  • SHA1

    445026a7ba0567573f9e3ea62d4a48fa49883435

  • SHA256

    a97a5ecd42151529c27f906dfb11bd335e6971adb65c21c19c704c4f5811834b

  • SHA512

    3907f0b87df4630bfb40ac227e584cb0993c4e36164032a22f39eb46ce86e30185f6a46735f47bff74b3accb7bab3c7dc29070bd7a563aaa05269a990b2c0ef5

  • SSDEEP

    1536:nxqjQ+P04wsmDCPQXwhjEj73Ux/199cnwp9OVSwB5:+r8zCPQg1EHkx/199cnwp0z

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
  • Loads dropped DLL 1 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\a97a5ecd42151529c27f906dfb11bd335e6971adb65c21c19c704c4f5811834bN.exe
    "C:\Users\Admin\AppData\Local\Temp\a97a5ecd42151529c27f906dfb11bd335e6971adb65c21c19c704c4f5811834bN.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
    PID:2520

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe

    Filesize

    547KB

    MD5

    eb5ffae54aa943e12cbf2d4c486cf719

    SHA1

    1d240a27ee76c948907ea16c247466b563d51c09

    SHA256

    42ad4594d61423d7f5f9867873149276f1880ee2a7af40905d63a53aab10e224

    SHA512

    35968a22ba5ec0cc4aebb91a2dcdbb5c30823d0fbebd914518278e69fc024fbcaf108fb86bdd597425849f3851c9c49bc83711dd3ba10bc81be20d13dcda8f97

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

    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • memory/2520-80-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2520-82-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB