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Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19/12/2024, 02:51

General

  • Target

    aea9e4d96d8aac58e16e93be0ca75c46ebd45d160e4afdac08985d573b67709e.exe

  • Size

    208KB

  • MD5

    5aa04a2d2bada2b5a682d6a14a3a4f16

  • SHA1

    44115345f0dcbfea927b2eeb6c25343bc30dbf1b

  • SHA256

    aea9e4d96d8aac58e16e93be0ca75c46ebd45d160e4afdac08985d573b67709e

  • SHA512

    61865ba3b0b7fd496f742905064fb644ca8dd6004383125ae5550d348a01039e0f99389fdea82362e89ced1918e4bdabcb5c9bf7a188b2a38ea905885f8e243c

  • SSDEEP

    6144:uOYX27lPBA3YDMw4lj6idlMlwl7/79C87g:uwBAy0rlMI5S

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
  • Loads dropped DLL 2 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\aea9e4d96d8aac58e16e93be0ca75c46ebd45d160e4afdac08985d573b67709e.exe
    "C:\Users\Admin\AppData\Local\Temp\aea9e4d96d8aac58e16e93be0ca75c46ebd45d160e4afdac08985d573b67709e.exe"
    1⤵
    • Loads dropped DLL
    • Modifies WinLogon
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:1724
    • 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:2996

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\597E.tmp

    Filesize

    593B

    MD5

    926512864979bc27cf187f1de3f57aff

    SHA1

    acdeb9d6187932613c7fa08eaf28f0cd8116f4b5

    SHA256

    b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f

    SHA512

    f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b

  • C:\Users\Admin\AppData\Local\Temp\D492.tmp

    Filesize

    1KB

    MD5

    0c3cc8cab7e57eb725944368b0f55cf4

    SHA1

    557081ca07dd0739b2da745f282da9c1113b466d

    SHA256

    357258bc7d7068e3e36440a04d4c4681eaa4474fcfddbfab2f8feccfa9a48549

    SHA512

    4d8377c36f6c65e60787750e4c54bd24e90f111d2bfa14808140355b76663cf0a9b61135dcd62a335870afc0f2d841da320a6ed2ef75818202e3a7ca5c55a841

  • \Windows\AppPatch\svchost.exe

    Filesize

    208KB

    MD5

    11c4e0dbdd32e18a2fab9864c7f52765

    SHA1

    03cdf9cb3b83e669e54884d153ad0b2488d07342

    SHA256

    43b0db6fae34d7c00a21af758b78f31e3123982ae290c3757732577664d56a89

    SHA512

    4daf48488cf64c2a43206c41b65574d89b539fc61750708c08cc66126f1d4a7886400538d6ac7c8d76d60b271d53d664f063de79069900917812d5a6810ef11b

  • memory/1724-0-0x0000000000400000-0x00000000004C7000-memory.dmp

    Filesize

    796KB

  • memory/1724-1-0x00000000002E0000-0x0000000000331000-memory.dmp

    Filesize

    324KB

  • memory/1724-2-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/1724-18-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/1724-17-0x00000000002E0000-0x0000000000331000-memory.dmp

    Filesize

    324KB

  • memory/1724-16-0x0000000000400000-0x00000000004C7000-memory.dmp

    Filesize

    796KB

  • memory/2996-19-0x0000000000400000-0x00000000004C7000-memory.dmp

    Filesize

    796KB

  • memory/2996-20-0x0000000000400000-0x00000000004C7000-memory.dmp

    Filesize

    796KB

  • memory/2996-21-0x0000000000400000-0x00000000004C7000-memory.dmp

    Filesize

    796KB

  • memory/2996-22-0x00000000004D0000-0x0000000000578000-memory.dmp

    Filesize

    672KB

  • memory/2996-30-0x00000000004D0000-0x0000000000578000-memory.dmp

    Filesize

    672KB

  • memory/2996-32-0x00000000004D0000-0x0000000000578000-memory.dmp

    Filesize

    672KB

  • memory/2996-28-0x00000000004D0000-0x0000000000578000-memory.dmp

    Filesize

    672KB

  • memory/2996-33-0x0000000000400000-0x00000000004C7000-memory.dmp

    Filesize

    796KB

  • memory/2996-26-0x00000000004D0000-0x0000000000578000-memory.dmp

    Filesize

    672KB

  • memory/2996-24-0x00000000004D0000-0x0000000000578000-memory.dmp

    Filesize

    672KB

  • memory/2996-34-0x00000000028A0000-0x0000000002956000-memory.dmp

    Filesize

    728KB

  • memory/2996-36-0x00000000028A0000-0x0000000002956000-memory.dmp

    Filesize

    728KB

  • memory/2996-38-0x00000000028A0000-0x0000000002956000-memory.dmp

    Filesize

    728KB

  • memory/2996-40-0x00000000028A0000-0x0000000002956000-memory.dmp

    Filesize

    728KB

  • memory/2996-44-0x00000000028A0000-0x0000000002956000-memory.dmp

    Filesize

    728KB

  • memory/2996-43-0x00000000028A0000-0x0000000002956000-memory.dmp

    Filesize

    728KB

  • memory/2996-42-0x00000000028A0000-0x0000000002956000-memory.dmp

    Filesize

    728KB

  • memory/2996-41-0x00000000028A0000-0x0000000002956000-memory.dmp

    Filesize

    728KB

  • memory/2996-79-0x00000000028A0000-0x0000000002956000-memory.dmp

    Filesize

    728KB

  • memory/2996-82-0x00000000028A0000-0x0000000002956000-memory.dmp

    Filesize

    728KB

  • memory/2996-81-0x00000000028A0000-0x0000000002956000-memory.dmp

    Filesize

    728KB

  • memory/2996-80-0x00000000028A0000-0x0000000002956000-memory.dmp

    Filesize

    728KB

  • memory/2996-78-0x00000000028A0000-0x0000000002956000-memory.dmp

    Filesize

    728KB

  • memory/2996-77-0x00000000028A0000-0x0000000002956000-memory.dmp

    Filesize

    728KB

  • memory/2996-76-0x00000000028A0000-0x0000000002956000-memory.dmp

    Filesize

    728KB

  • memory/2996-75-0x00000000028A0000-0x0000000002956000-memory.dmp

    Filesize

    728KB

  • memory/2996-74-0x00000000028A0000-0x0000000002956000-memory.dmp

    Filesize

    728KB

  • memory/2996-73-0x00000000028A0000-0x0000000002956000-memory.dmp

    Filesize

    728KB

  • memory/2996-84-0x00000000028A0000-0x0000000002956000-memory.dmp

    Filesize

    728KB

  • memory/2996-83-0x00000000028A0000-0x0000000002956000-memory.dmp

    Filesize

    728KB

  • memory/2996-72-0x00000000028A0000-0x0000000002956000-memory.dmp

    Filesize

    728KB

  • memory/2996-71-0x00000000028A0000-0x0000000002956000-memory.dmp

    Filesize

    728KB

  • memory/2996-70-0x00000000028A0000-0x0000000002956000-memory.dmp

    Filesize

    728KB

  • memory/2996-69-0x00000000028A0000-0x0000000002956000-memory.dmp

    Filesize

    728KB

  • memory/2996-67-0x00000000028A0000-0x0000000002956000-memory.dmp

    Filesize

    728KB

  • memory/2996-66-0x00000000028A0000-0x0000000002956000-memory.dmp

    Filesize

    728KB

  • memory/2996-65-0x00000000028A0000-0x0000000002956000-memory.dmp

    Filesize

    728KB

  • memory/2996-64-0x00000000028A0000-0x0000000002956000-memory.dmp

    Filesize

    728KB

  • memory/2996-63-0x00000000028A0000-0x0000000002956000-memory.dmp

    Filesize

    728KB

  • memory/2996-62-0x00000000028A0000-0x0000000002956000-memory.dmp

    Filesize

    728KB

  • memory/2996-61-0x00000000028A0000-0x0000000002956000-memory.dmp

    Filesize

    728KB

  • memory/2996-60-0x00000000028A0000-0x0000000002956000-memory.dmp

    Filesize

    728KB

  • memory/2996-59-0x00000000028A0000-0x0000000002956000-memory.dmp

    Filesize

    728KB

  • memory/2996-58-0x00000000028A0000-0x0000000002956000-memory.dmp

    Filesize

    728KB

  • memory/2996-57-0x00000000028A0000-0x0000000002956000-memory.dmp

    Filesize

    728KB

  • memory/2996-56-0x00000000028A0000-0x0000000002956000-memory.dmp

    Filesize

    728KB

  • memory/2996-55-0x00000000028A0000-0x0000000002956000-memory.dmp

    Filesize

    728KB

  • memory/2996-54-0x00000000028A0000-0x0000000002956000-memory.dmp

    Filesize

    728KB

  • memory/2996-53-0x00000000028A0000-0x0000000002956000-memory.dmp

    Filesize

    728KB

  • memory/2996-52-0x00000000028A0000-0x0000000002956000-memory.dmp

    Filesize

    728KB

  • memory/2996-51-0x00000000028A0000-0x0000000002956000-memory.dmp

    Filesize

    728KB

  • memory/2996-50-0x00000000028A0000-0x0000000002956000-memory.dmp

    Filesize

    728KB

  • memory/2996-49-0x00000000028A0000-0x0000000002956000-memory.dmp

    Filesize

    728KB

  • memory/2996-48-0x00000000028A0000-0x0000000002956000-memory.dmp

    Filesize

    728KB

  • memory/2996-47-0x00000000028A0000-0x0000000002956000-memory.dmp

    Filesize

    728KB

  • memory/2996-46-0x00000000028A0000-0x0000000002956000-memory.dmp

    Filesize

    728KB

  • memory/2996-68-0x00000000028A0000-0x0000000002956000-memory.dmp

    Filesize

    728KB

  • memory/2996-45-0x00000000028A0000-0x0000000002956000-memory.dmp

    Filesize

    728KB