Analysis

  • max time kernel
    116s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    17/12/2024, 20:48

General

  • Target

    38e1ca030d9bd3babcbe6dc927e4ce69231700a22788b94ea0e42c87f0ffe424N.exe

  • Size

    1.0MB

  • MD5

    4d3191371f74198e82bb5bfe0bddd7f0

  • SHA1

    9b632cb16b07e88724085239c44dadc249b11d10

  • SHA256

    38e1ca030d9bd3babcbe6dc927e4ce69231700a22788b94ea0e42c87f0ffe424

  • SHA512

    abe73d7fc6bab746d85c0b4ba3c08cd2beef927b5b7f309cc85051ff84072755a7d9c731c6aad3e4f7dc9218c0c2285c0dcb5ca8b9ef74332c9fc7a8ec72be33

  • SSDEEP

    24576:PmUNJyJqb1FcMap2ATT5emUNJyJqb1FcMap2ATT5emUNJyJqb1FcMap2ATT58:PmV2ApemV2ApemV2Ap8

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\38e1ca030d9bd3babcbe6dc927e4ce69231700a22788b94ea0e42c87f0ffe424N.exe
    "C:\Users\Admin\AppData\Local\Temp\38e1ca030d9bd3babcbe6dc927e4ce69231700a22788b94ea0e42c87f0ffe424N.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:804
    • 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:2536

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\9BD6.tmp

    Filesize

    593B

    MD5

    926512864979bc27cf187f1de3f57aff

    SHA1

    acdeb9d6187932613c7fa08eaf28f0cd8116f4b5

    SHA256

    b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f

    SHA512

    f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b

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

    Filesize

    24KB

    MD5

    060de2a9582a7e5ccae874ed94b26d66

    SHA1

    a0c324136796539cf1d7d9181b5484f8e82c2069

    SHA256

    c9c3602a8a77959f2d5921c8091e1cdcb8b49b692001f250dcdce438e02f0631

    SHA512

    ea6071f100b47b915a3537494e102774c6005d35914568a3c011fcf94bdf90c3beb29349a58b52986bbebd0f603088a58072bb050399f811368b1d124da43741

  • C:\Users\Admin\AppData\Local\Temp\EC0D.tmp

    Filesize

    1KB

    MD5

    ea07bc905d09dbbfe89d7d358ef0c4e9

    SHA1

    b94bf1e9ba0131af189703a3491cd458f0ce3308

    SHA256

    ebf71caa9116576610b336df73627c2228d2306182072cf96250efa51394c48c

    SHA512

    38d82f52b821a897a4403ecfd124f15d22b9d19940943a6e8e9b12b715a48acffaf934aa3d06707dcb77fa6e872963db7491ab41c1a052f099bf01edab2dfc1a

  • \Windows\AppPatch\svchost.exe

    Filesize

    1.0MB

    MD5

    bd7d91750175c46b99a72d504c784833

    SHA1

    70741fb6deffcd7273147091d99d64cdecf9c45f

    SHA256

    4ca49a62a41329668e87d0f0327bc05b7da924575dc1b49aaecba20243736f7e

    SHA512

    fd90dd80800880c670411199c03a896ea84759d0e143c666892ce795fe5209f987c5272e1e5c4e59ab49d7bd54bc97a8d4fe5bc61df0c253688ffacb5eb91271

  • memory/804-13-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2536-22-0x0000000000460000-0x0000000000508000-memory.dmp

    Filesize

    672KB

  • memory/2536-24-0x0000000000460000-0x0000000000508000-memory.dmp

    Filesize

    672KB

  • memory/2536-20-0x0000000000460000-0x0000000000508000-memory.dmp

    Filesize

    672KB

  • memory/2536-18-0x0000000000460000-0x0000000000508000-memory.dmp

    Filesize

    672KB

  • memory/2536-16-0x0000000000460000-0x0000000000508000-memory.dmp

    Filesize

    672KB

  • memory/2536-14-0x0000000000460000-0x0000000000508000-memory.dmp

    Filesize

    672KB

  • memory/2536-25-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2536-27-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2536-29-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2536-39-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2536-31-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2536-57-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2536-77-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2536-76-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2536-75-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2536-74-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2536-73-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2536-72-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2536-71-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2536-70-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2536-69-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2536-68-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2536-67-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2536-66-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2536-65-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2536-64-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2536-63-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2536-62-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2536-61-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2536-60-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2536-58-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2536-56-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2536-55-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2536-54-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2536-53-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2536-52-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2536-51-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2536-50-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2536-49-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2536-48-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2536-47-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2536-46-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2536-45-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2536-44-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2536-43-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2536-42-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2536-41-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2536-40-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2536-38-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2536-37-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2536-36-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2536-35-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2536-34-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2536-33-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2536-32-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2536-59-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2536-202-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB