Analysis

  • max time kernel
    120s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250211-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250211-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-02-2025 00:49

General

  • Target

    6b578d532c49d4a5f55c59e9efd341700556d7ed78d3249d56e4358aad4be5f3.exe

  • Size

    254KB

  • MD5

    02a024bee5958fd94bfe549e7cea29ca

  • SHA1

    c9222564d68b85d7205c9ff2fbb7dd87f1be0254

  • SHA256

    6b578d532c49d4a5f55c59e9efd341700556d7ed78d3249d56e4358aad4be5f3

  • SHA512

    3614c0b89d514e68ff81562b1ee99f27590bbf5e5076a4d5fb9cf5ea3a18c298ac52b31f007a3e12bb9d5dc1ae4322c5e423b57b878864ba32ce929d00dfa968

  • SSDEEP

    3072:ar85Crl4dsOc6v2vTzwU+Pho86meq+FaSoB2+vSHr8qcVz5fzsC:C943PiY+Fa7BdvG1cT7

Malware Config

Signatures

  • Neshta

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

  • Neshta family
  • Downloads MZ/PE file 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 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 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6b578d532c49d4a5f55c59e9efd341700556d7ed78d3249d56e4358aad4be5f3.exe
    "C:\Users\Admin\AppData\Local\Temp\6b578d532c49d4a5f55c59e9efd341700556d7ed78d3249d56e4358aad4be5f3.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:616
    • C:\Users\Admin\AppData\Local\Temp\3582-490\6b578d532c49d4a5f55c59e9efd341700556d7ed78d3249d56e4358aad4be5f3.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\6b578d532c49d4a5f55c59e9efd341700556d7ed78d3249d56e4358aad4be5f3.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1164
  • C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
    "C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIxIiBpbnN0YWxsZGF0ZXRpbWU9IjE3MzkyODIxNjkiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4Mzc1MzE4NTEwMTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MzA3NzU0NjgyIi8-PC9hcHA-PC9yZXF1ZXN0Pg
    1⤵
    • System Location Discovery: System Language Discovery
    • System Network Configuration Discovery: Internet Connection Discovery
    PID:6140

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

    c2db068b666a8fee6d0ee46964afccb5

    SHA1

    7f18880bf2188b19b9623241d3e183f906583709

    SHA256

    a7f754cdf7509e829b701b59d040bad7953c5d9047d627e2e13c31a1be24cc28

    SHA512

    c2b05d953996c62a6661481fc24c46bed49c745993b7214a17b999cec0444f4db7a4bb6ad9c0e45f8f75ed9991a9d8aff14b2c899e0d6239617801db1e574070

  • C:\Users\Admin\AppData\Local\Temp\3582-490\6b578d532c49d4a5f55c59e9efd341700556d7ed78d3249d56e4358aad4be5f3.exe

    Filesize

    213KB

    MD5

    20d89d1781cde87db3a8b59da816efcc

    SHA1

    4f6670c4dcd8d978b21d1db91e081e609f5abcd0

    SHA256

    4653df6eb852f717ac03d5ecdfdd5e1e2c1ac70b012049f1188e0e7d5b5f8983

    SHA512

    7b03a2e2c5f94a3e6164e160e3346cf0e8247471c48858dad9747dc17c8bccd20caaf2ea9f15d7e6be3e633a01536caefdeff6b384c4448c861f1e5a5ff6cf0e

  • memory/616-121-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/616-123-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/616-125-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB