Analysis

  • max time kernel
    111s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-10-2024 00:35

General

  • Target

    f0edecfd0cbd376841a3d0088f628ddf86c1bb08d765a106622ed2dbc4610b66N.exe

  • Size

    208KB

  • MD5

    1f1ec6f233c4dd5599493ff71dd88e10

  • SHA1

    99f06f5db53046f5157c2913e404c1819f4ecf06

  • SHA256

    f0edecfd0cbd376841a3d0088f628ddf86c1bb08d765a106622ed2dbc4610b66

  • SHA512

    f8bb7312c698116e10e541bdac5a7154ef0dc137ea8b5bc42cf8610d98402f72d7805d4620d64632cf4be861c78cfe8ee37a4b2b0d3842469b389fee19c061b7

  • SSDEEP

    6144:aOYX27lPBA3YDMw4lj6idlMlwl7/79C87:awBAy0rlMI5

Malware Config

Extracted

Family

simda

Attributes
  • dga

    gatyfus.com

    lyvyxor.com

    vojyqem.com

    qetyfuv.com

    puvyxil.com

    gahyqah.com

    lyryfyd.com

    vocyzit.com

    qegyqaq.com

    purydyv.com

    gacyzuz.com

    lygymoj.com

    vowydef.com

    qexylup.com

    pufymoq.com

    gaqydeb.com

    lyxylux.com

    vofymik.com

    qeqysag.com

    puzylyp.com

    gadyniw.com

    lymysan.com

    volykyc.com

    qedynul.com

    pumypog.com

    galykes.com

    lysynur.com

    vonypom.com

    qekykev.com

    pupybul.com

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Simda family
  • simda

    Simda is an infostealer written in C++.

  • Executes dropped EXE 1 IoCs
  • Modifies WinLogon 2 TTPs 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • 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.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f0edecfd0cbd376841a3d0088f628ddf86c1bb08d765a106622ed2dbc4610b66N.exe
    "C:\Users\Admin\AppData\Local\Temp\f0edecfd0cbd376841a3d0088f628ddf86c1bb08d765a106622ed2dbc4610b66N.exe"
    1⤵
    • Modifies WinLogon
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:4876
    • C:\Windows\apppatch\svchost.exe
      "C:\Windows\apppatch\svchost.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Executes dropped EXE
      • Modifies WinLogon
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:5060

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\ZA7RG4JF\login[3].htm

    Filesize

    162B

    MD5

    4f8e702cc244ec5d4de32740c0ecbd97

    SHA1

    3adb1f02d5b6054de0046e367c1d687b6cdf7aff

    SHA256

    9e17cb15dd75bbbd5dbb984eda674863c3b10ab72613cf8a39a00c3e11a8492a

    SHA512

    21047fea5269fee75a2a187aa09316519e35068cb2f2f76cfaf371e5224445e9d5c98497bd76fb9608d2b73e9dac1a3f5bfadfdc4623c479d53ecf93d81d3c9f

  • C:\Users\Admin\AppData\Local\Temp\7AC3.tmp

    Filesize

    60KB

    MD5

    8faa0902470feeeeeefcda9f9a92942c

    SHA1

    4ce4f093ee22a89d8e3747e39cd55b8a2bf49a70

    SHA256

    dfcfce6215fcd961b1eab4e87f7af4bf32c7f29825c019bfd3528b091e0752d2

    SHA512

    a06a68dd85cfaf8fbfa4dbc0850c2e105699b1ccda7ffe7ae3ced13ebba12c886bf44027a9423241a3b5b3fde5c4fd61f29d45e3049aff80f12e31faf009d94b

  • C:\Users\Admin\AppData\Local\Temp\8D41.tmp

    Filesize

    593B

    MD5

    926512864979bc27cf187f1de3f57aff

    SHA1

    acdeb9d6187932613c7fa08eaf28f0cd8116f4b5

    SHA256

    b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f

    SHA512

    f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b

  • C:\Users\Admin\AppData\Local\Temp\A358.tmp

    Filesize

    42KB

    MD5

    02b1cfba9049468774cfc786987e9e93

    SHA1

    2472dc35df114696c6a793ae91bbb1ac5d05d89b

    SHA256

    775adb85037980dd1c1e070062d661d94fecb770019d49a3c3b7b9e2564c7fb6

    SHA512

    30c30f5721dd345411a2a3c33741a249633811f532c9246e16956595209f7280ddc03b09c383bcad9eb6d789bc6645f97a29f48863328e2b1e965b8d3c078b52

  • C:\Windows\apppatch\svchost.exe

    Filesize

    208KB

    MD5

    c3a9afb95b38c745fc22264e7b4a8b19

    SHA1

    1b0724b5bd79b1788caeecf43368d5575fd8cb47

    SHA256

    67740157ef133a8d5428b8034cb08375c1c5aca2ebfd5400854c3fd733b715ba

    SHA512

    81fc133660803780dc04c8f58b698db7ea816ece5e75799363b4497531a6eed279b9dc445baaa3ac44ff112bc9f7294b0f40e7018bed997629bf7e3ded73a0d8

  • memory/4876-0-0x0000000000400000-0x00000000004C7000-memory.dmp

    Filesize

    796KB

  • memory/4876-1-0x0000000002250000-0x00000000022A1000-memory.dmp

    Filesize

    324KB

  • memory/4876-2-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/4876-15-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/4876-14-0x0000000002250000-0x00000000022A1000-memory.dmp

    Filesize

    324KB

  • memory/4876-13-0x0000000000400000-0x00000000004C7000-memory.dmp

    Filesize

    796KB

  • memory/5060-61-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/5060-54-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/5060-18-0x0000000002A00000-0x0000000002AA8000-memory.dmp

    Filesize

    672KB

  • memory/5060-19-0x0000000000400000-0x00000000004C7000-memory.dmp

    Filesize

    796KB

  • memory/5060-20-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/5060-24-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/5060-22-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/5060-58-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/5060-64-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/5060-79-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/5060-78-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/5060-77-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/5060-76-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/5060-75-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/5060-74-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/5060-73-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/5060-72-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/5060-71-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/5060-70-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/5060-69-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/5060-68-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/5060-66-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/5060-65-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/5060-63-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/5060-62-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/5060-12-0x0000000000400000-0x00000000004C7000-memory.dmp

    Filesize

    796KB

  • memory/5060-60-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/5060-59-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/5060-57-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/5060-56-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/5060-55-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/5060-17-0x0000000000400000-0x00000000004C7000-memory.dmp

    Filesize

    796KB

  • memory/5060-53-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/5060-52-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/5060-50-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/5060-49-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/5060-48-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/5060-46-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/5060-45-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/5060-44-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/5060-43-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/5060-42-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/5060-40-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/5060-39-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/5060-38-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/5060-37-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/5060-36-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/5060-35-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/5060-34-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/5060-33-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/5060-32-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/5060-29-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/5060-30-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/5060-28-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/5060-27-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/5060-26-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/5060-67-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/5060-51-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/5060-47-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/5060-16-0x0000000000400000-0x00000000004C7000-memory.dmp

    Filesize

    796KB

  • memory/5060-41-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/5060-31-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/5060-25-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB