Analysis

  • max time kernel
    69s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    06-12-2024 04:41

General

  • Target

    47f7f712ba1e649e377750087240482a0dd25eea149c440bb6c040582ba10d43N.exe

  • Size

    416KB

  • MD5

    168a6bf48db8806f00c47f9f9a98e630

  • SHA1

    2003c990b8b5cb2505c9f7bb2b7a1dfc3d340542

  • SHA256

    47f7f712ba1e649e377750087240482a0dd25eea149c440bb6c040582ba10d43

  • SHA512

    617ecdb86b8ea9f7a4861e62e7ee7ae4989460b4daa813a76026bf4e026fea44ca8b5abf8636f2dfbe61099c0a589abaa4d77c8631cafd487bbffb4222b9d501

  • SSDEEP

    6144:k9M3isQNjODH5am4rU5x31cMBZQIhH849nS4FBQn+m1:L3fMmWMKMBTH8499FBHE

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 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\47f7f712ba1e649e377750087240482a0dd25eea149c440bb6c040582ba10d43N.exe
    "C:\Users\Admin\AppData\Local\Temp\47f7f712ba1e649e377750087240482a0dd25eea149c440bb6c040582ba10d43N.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:2392
    • C:\Users\Admin\AppData\Local\Temp\3582-490\47f7f712ba1e649e377750087240482a0dd25eea149c440bb6c040582ba10d43N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\47f7f712ba1e649e377750087240482a0dd25eea149c440bb6c040582ba10d43N.exe"
      2⤵
      • Executes dropped EXE
      PID:2928

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\47f7f712ba1e649e377750087240482a0dd25eea149c440bb6c040582ba10d43N.exe

    Filesize

    375KB

    MD5

    e3cbffc0b311b483190d932a7da8cb3e

    SHA1

    087c9ac78399d10aa7f6bcee2d5f1650aca39331

    SHA256

    9f75491a8935c01e414b5e6476e97873f026da1098f21bf01660e51e297a330f

    SHA512

    66149b49f9ead9984d8bdbb823f2a8d93cef923d197e99af334bd8c016d76f2ec4cfcda051f0a6acb1b1a30a2a613518514e764d89f529562f8603091935fff3

  • memory/2392-82-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2392-84-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB