Analysis

  • max time kernel
    125s
  • max time network
    166s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-12-2024 18:05

General

  • Target

    Method/Method/2. Parameters/Tool/1. Parameter Hq/main.exe

  • Size

    6.9MB

  • MD5

    103094611fd5964a753bded872de235e

  • SHA1

    bc0a0f5b1e975795aa893ee6f0c61927e20389ea

  • SHA256

    3814314e3ac6b9d6854a1e18895cfb30d19dc9dbf9455869624c4182ae9b494f

  • SHA512

    5cdb5b5c110621ab06102094bace1fa260e574cede38129bc64232e77593426e6f0e7abe365461189203d8e6f5867756d61283455414ccfcae8cd47b371fef69

  • SSDEEP

    196608:0sfXWA1HeT39IigFeE9TFa0Z8DOjCdyluomnzbQW7txK:F1+TtIiRY9Z8D8Ccl5KnPxK

Malware Config

Signatures

  • Detect Neshta payload 4 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Neshta family
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 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
  • Detects Pyinstaller 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\Method\Method\2. Parameters\Tool\1. Parameter Hq\main.exe
    "C:\Users\Admin\AppData\Local\Temp\Method\Method\2. Parameters\Tool\1. Parameter Hq\main.exe"
    1⤵
    • Checks computer location settings
    • 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:3036
    • C:\Users\Admin\AppData\Local\Temp\3582-490\main.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\main.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1456
      • C:\Users\Admin\AppData\Local\Temp\3582-490\main.exe
        "C:\Users\Admin\AppData\Local\Temp\3582-490\main.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2200

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE

    Filesize

    86KB

    MD5

    3b73078a714bf61d1c19ebc3afc0e454

    SHA1

    9abeabd74613a2f533e2244c9ee6f967188e4e7e

    SHA256

    ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29

    SHA512

    75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4

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

    Filesize

    6.9MB

    MD5

    cdc4c96ef4c65351f14d47bcf7d77112

    SHA1

    70838a32433c7cc825abf947ce5bd0a1cc37edb4

    SHA256

    6377244a8aee2a01ad56d951707ca7eaf7e7a234f3e75863fd1ed8c902d215ef

    SHA512

    bfaa074d05b14be87d96c6ce5df1c431bfd5a52a5b413356c562e05d580a0c74d2242ec283346b48dabe4e08ec3b187a439165f9db55eec8c4739945ec672ad4

  • C:\Users\Admin\AppData\Local\Temp\_MEI14562\VCRUNTIME140.dll

    Filesize

    116KB

    MD5

    be8dbe2dc77ebe7f88f910c61aec691a

    SHA1

    a19f08bb2b1c1de5bb61daf9f2304531321e0e40

    SHA256

    4d292623516f65c80482081e62d5dadb759dc16e851de5db24c3cbb57b87db83

    SHA512

    0da644472b374f1da449a06623983d0477405b5229e386accadb154b43b8b083ee89f07c3f04d2c0c7501ead99ad95aecaa5873ff34c5eeb833285b598d5a655

  • C:\Users\Admin\AppData\Local\Temp\_MEI14562\_bz2.pyd

    Filesize

    83KB

    MD5

    223fd6748cae86e8c2d5618085c768ac

    SHA1

    dcb589f2265728fe97156814cbe6ff3303cd05d3

    SHA256

    f81dc49eac5ecc528e628175add2ff6bda695a93ea76671d7187155aa6326abb

    SHA512

    9c22c178417b82e68f71e5b7fe7c0c0a77184ee12bd0dc049373eace7fa66c89458164d124a9167ae760ff9d384b78ca91001e5c151a51ad80c824066b8ecce6

  • C:\Users\Admin\AppData\Local\Temp\_MEI14562\_decimal.pyd

    Filesize

    245KB

    MD5

    3055edf761508190b576e9bf904003aa

    SHA1

    f0dc8d882b5cd7955cc6dfc8f9834f70a83c7890

    SHA256

    e4104e47399d3f635a14d649f61250e9fd37f7e65c81ffe11f099923f8532577

    SHA512

    87538fe20bd2c1150a8fefd0478ffd32e2a9c59d22290464bf5dfb917f6ac7ec874f8b1c70d643a4dc3dd32cbe17e7ea40c0be3ea9dd07039d94ab316f752248

  • C:\Users\Admin\AppData\Local\Temp\_MEI14562\_hashlib.pyd

    Filesize

    64KB

    MD5

    eedb6d834d96a3dffffb1f65b5f7e5be

    SHA1

    ed6735cfdd0d1ec21c7568a9923eb377e54b308d

    SHA256

    79c4cde23397b9a35b54a3c2298b3c7a844454f4387cb0693f15e4facd227dd2

    SHA512

    527bd7bb2f4031416762595f4ce24cbc6254a50eaf2cc160b930950c4f2b3f5e245a486972148c535f8cd80c78ec6fa8c9a062085d60db8f23d4b21e8ae4c0ad

  • C:\Users\Admin\AppData\Local\Temp\_MEI14562\_lzma.pyd

    Filesize

    156KB

    MD5

    05e8b2c429aff98b3ae6adc842fb56a3

    SHA1

    834ddbced68db4fe17c283ab63b2faa2e4163824

    SHA256

    a6e2a5bb7a33ad9054f178786a031a46ea560faeef1fb96259331500aae9154c

    SHA512

    badeb99795b89bc7c1f0c36becc7a0b2ce99ecfd6f6bb493bda24b8e57e6712e23f4c509c96a28bc05200910beddc9f1536416bbc922331cae698e813cbb50b3

  • C:\Users\Admin\AppData\Local\Temp\_MEI14562\_socket.pyd

    Filesize

    81KB

    MD5

    dc06f8d5508be059eae9e29d5ba7e9ec

    SHA1

    d666c88979075d3b0c6fd3be7c595e83e0cb4e82

    SHA256

    7daff6aa3851a913ed97995702a5dfb8a27cb7cf00fb496597be777228d7564a

    SHA512

    57eb36bc1e9be20c85c34b0a535b2349cb13405d60e752016e23603c4648939f1150e4dbebc01ec7b43eb1a6947c182ccb8a806e7e72167ad2e9d98d1fd94ab3

  • C:\Users\Admin\AppData\Local\Temp\_MEI14562\base_library.zip

    Filesize

    1.3MB

    MD5

    08332a62eb782d03b959ba64013ac5bc

    SHA1

    b70b6ae91f1bded398ca3f62e883ae75e9966041

    SHA256

    8584f0eb44456a275e3bc69626e3acad595546fd78de21a946b2eb7d6ba02288

    SHA512

    a58e4a096d3ce738f6f93477c9a73ddbfcb4b82d212c0a19c0cf9e07f1e62b2f477a5dd468cd31cc5a13a73b93fa17f64d6b516afef2c56d38ede1ace35cf087

  • C:\Users\Admin\AppData\Local\Temp\_MEI14562\libcrypto-3.dll

    Filesize

    5.0MB

    MD5

    e547cf6d296a88f5b1c352c116df7c0c

    SHA1

    cafa14e0367f7c13ad140fd556f10f320a039783

    SHA256

    05fe080eab7fc535c51e10c1bd76a2f3e6217f9c91a25034774588881c3f99de

    SHA512

    9f42edf04c7af350a00fa4fdf92b8e2e6f47ab9d2d41491985b20cd0adde4f694253399f6a88f4bdd765c4f49792f25fb01e84ec03fd5d0be8bb61773d77d74d

  • C:\Users\Admin\AppData\Local\Temp\_MEI14562\python312.dll

    Filesize

    6.6MB

    MD5

    3c388ce47c0d9117d2a50b3fa5ac981d

    SHA1

    038484ff7460d03d1d36c23f0de4874cbaea2c48

    SHA256

    c98ba3354a7d1f69bdca42560feec933ccba93afcc707391049a065e1079cddb

    SHA512

    e529c5c1c028be01e44a156cd0e7cad0a24b5f91e5d34697fafc395b63e37780dc0fac8f4c5d075ad8fe4bd15d62a250b818ff3d4ead1e281530a4c7e3ce6d35

  • C:\Users\Admin\AppData\Local\Temp\_MEI14562\select.pyd

    Filesize

    29KB

    MD5

    92b440ca45447ec33e884752e4c65b07

    SHA1

    5477e21bb511cc33c988140521a4f8c11a427bcc

    SHA256

    680df34fb908c49410ac5f68a8c05d92858acd111e62d1194d15bdce520bd6c3

    SHA512

    40e60e1d1445592c5e8eb352a4052db28b1739a29e16b884b0ba15917b058e66196988214ce473ba158704837b101a13195d5e48cb1dc2f07262dfecfe8d8191

  • C:\Users\Admin\AppData\Local\Temp\_MEI14562\unicodedata.pyd

    Filesize

    1.1MB

    MD5

    16be9a6f941f1a2cb6b5fca766309b2c

    SHA1

    17b23ae0e6a11d5b8159c748073e36a936f3316a

    SHA256

    10ffd5207eeff5a836b330b237d766365d746c30e01abf0fd01f78548d1f1b04

    SHA512

    64b7ecc58ae7cf128f03a0d5d5428aaa0d4ad4ae7e7d19be0ea819bbbf99503836bfe4946df8ee3ab8a92331fdd002ab9a9de5146af3e86fef789ce46810796b

  • memory/3036-119-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3036-120-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3036-122-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB