Analysis

  • max time kernel
    184s
  • max time network
    203s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    04-11-2023 13:00

General

  • Target

    NEAS.2fc3864502040a6077025e3cb040bf30.exe

  • Size

    121KB

  • MD5

    2fc3864502040a6077025e3cb040bf30

  • SHA1

    686bcfa236c308cde2e4c2a3ec53ce4d633445de

  • SHA256

    cc35c69f09dd53064e095e84694df49355f9e9200a98b397171099eb94335543

  • SHA512

    d87d59db212b6531967b4b8a04c876c132996f5e2987c06b89ab7a1a3cb25921e517e661f02c8268e6ddbc28dc7afc0946406fe3b23834a0923f667ff0ee2c4b

  • SSDEEP

    3072:FlnnJBSX1nV1b1N1Il1k1YFI1x1J1MuEqx517Q/1T1Jzct01Nbnl1RRhCHODpOJO:zw6P

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.2fc3864502040a6077025e3cb040bf30.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.2fc3864502040a6077025e3cb040bf30.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:2656
    • C:\Windows\microsofthelp.exe
      "C:\Windows\microsofthelp.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Drops file in Windows directory
      • Modifies system certificate store
      • Suspicious use of SetWindowsHookEx
      PID:2728

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab4E22.tmp

    Filesize

    61KB

    MD5

    f3441b8572aae8801c04f3060b550443

    SHA1

    4ef0a35436125d6821831ef36c28ffaf196cda15

    SHA256

    6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

    SHA512

    5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

  • C:\Users\Admin\AppData\Local\Temp\Tar4E73.tmp

    Filesize

    163KB

    MD5

    9441737383d21192400eca82fda910ec

    SHA1

    725e0d606a4fc9ba44aa8ffde65bed15e65367e4

    SHA256

    bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

    SHA512

    7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

  • C:\Windows\microsofthelp.exe

    Filesize

    121KB

    MD5

    26d83cab879aadca469f2b0eb3cbfba6

    SHA1

    aab50429cf55595a5088e721417d1a78990269cb

    SHA256

    8e663584e9c375e5e0eac3eb3949d3091baaa3509b647c2f47c32089bb0f2030

    SHA512

    eac55d340cd949462e9f8b4951bbe77f7903a802b86fe26372c1c6c23f3f8417a7a5b60cb5b823d017c394010c7fc3e242335fcde35bbfd7209bd1d1eed70afc

  • C:\Windows\microsofthelp.exe

    Filesize

    121KB

    MD5

    26d83cab879aadca469f2b0eb3cbfba6

    SHA1

    aab50429cf55595a5088e721417d1a78990269cb

    SHA256

    8e663584e9c375e5e0eac3eb3949d3091baaa3509b647c2f47c32089bb0f2030

    SHA512

    eac55d340cd949462e9f8b4951bbe77f7903a802b86fe26372c1c6c23f3f8417a7a5b60cb5b823d017c394010c7fc3e242335fcde35bbfd7209bd1d1eed70afc

  • C:\Windows\microsofthelp.exe

    Filesize

    121KB

    MD5

    26d83cab879aadca469f2b0eb3cbfba6

    SHA1

    aab50429cf55595a5088e721417d1a78990269cb

    SHA256

    8e663584e9c375e5e0eac3eb3949d3091baaa3509b647c2f47c32089bb0f2030

    SHA512

    eac55d340cd949462e9f8b4951bbe77f7903a802b86fe26372c1c6c23f3f8417a7a5b60cb5b823d017c394010c7fc3e242335fcde35bbfd7209bd1d1eed70afc

  • memory/2656-0-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2656-3-0x0000000000020000-0x000000000002C000-memory.dmp

    Filesize

    48KB

  • memory/2656-7-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2728-9-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2728-13-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2728-14-0x0000000010000000-0x0000000010005000-memory.dmp

    Filesize

    20KB