Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    05-02-2025 13:12

General

  • Target

    9309292b0ac42b54270fe2a722a2708389a570ddae1385716cef1cb3671a4befN.exe

  • Size

    1.0MB

  • MD5

    9eaf74196d3313b6cc71b956fc77ac50

  • SHA1

    20b548892c08ce340ad160cd77d6b4030afc5a59

  • SHA256

    9309292b0ac42b54270fe2a722a2708389a570ddae1385716cef1cb3671a4bef

  • SHA512

    706a34a2d219cf98bbf56781966f55ec335a6c990cb085972f7a2f2260fbe48a4b6676e90635c82ff861d6f792077d36ce7e05af19a152647ce94b55996ca3d0

  • SSDEEP

    12288:BnTVjA/ECfLmCNK+YbVX4mZc5wGhVc560/DWtVLkQL6Nt/Qeut+fYP:BTVjA/ECTmCNK+YbVXx26ELk0KtHuWYP

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
  • 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
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9309292b0ac42b54270fe2a722a2708389a570ddae1385716cef1cb3671a4befN.exe
    "C:\Users\Admin\AppData\Local\Temp\9309292b0ac42b54270fe2a722a2708389a570ddae1385716cef1cb3671a4befN.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:2680
    • C:\Users\Admin\AppData\Local\Temp\3582-490\9309292b0ac42b54270fe2a722a2708389a570ddae1385716cef1cb3671a4befN.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\9309292b0ac42b54270fe2a722a2708389a570ddae1385716cef1cb3671a4befN.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2804

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\MSOCache\ALLUSE~1\{90140~1\DW20.EXE

    Filesize

    859KB

    MD5

    754309b7b83050a50768236ee966224f

    SHA1

    10ed7efc2e594417ddeb00a42deb8fd9f804ed53

    SHA256

    acd32dd903e5464b0ecd153fb3f71da520d2e59a63d4c355d9c1874c919d04e6

    SHA512

    e5aaddf62c08c8fcc1ae3f29df220c5c730a2efa96dd18685ee19f5a9d66c4735bb4416c4828033661990604669ed345415ef2dc096ec75e1ab378dd804b1614

  • C:\Users\Admin\AppData\Local\Temp\3582-490\9309292b0ac42b54270fe2a722a2708389a570ddae1385716cef1cb3671a4befN.exe

    Filesize

    993KB

    MD5

    7aad428066aed5ec27e0039586df92c0

    SHA1

    ea1be46c247359b2b5d38498dcae3e49ae33396f

    SHA256

    4fee591e1af14199fde549abfb7ea1f3039f5b80d7223e998d3a150cd9362358

    SHA512

    ec89c624c62e38486ee1e7826290ebe8ce5898829a3c43ac0a952469df204ce06a70e704b1f9513d09fbfd542194f95a30ff5e9e2fd20ea4140c51c2d8fd9d64

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

    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • memory/2680-84-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2680-86-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB