Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/10/2024, 15:54

General

  • Target

    a3cfced1d222587005b78d13246584d318b4e2d7cde685c6ffba76424dc8fca1N.exe

  • Size

    373KB

  • MD5

    12a290a00764ec9043f5efa6ed7c27e0

  • SHA1

    71532e876106d278faca0f1d597460bf10848b1e

  • SHA256

    a3cfced1d222587005b78d13246584d318b4e2d7cde685c6ffba76424dc8fca1

  • SHA512

    5ed25d219bea99fe857405e95cddaf8dbb34048c7e20ed57321855031d6f35494016a33da1c7117917878f6b11fe9904bcb7987f91e60aa55fc54a05931d3c5d

  • SSDEEP

    6144:huycmWhxR1arY/PbgmFOabPIIBhJXAv7eTY9suz0xhttGSrDKE3KIQvSka8bjH:h6mWTR1arYnEKosuzY34CZ3DQvSkNX

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

  • simda

    Simda is an infostealer written in C++.

  • Executes dropped EXE 1 IoCs
  • Modifies WinLogon 2 TTPs 1 IoCs
  • Drops file in Program Files directory 18 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.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a3cfced1d222587005b78d13246584d318b4e2d7cde685c6ffba76424dc8fca1N.exe
    "C:\Users\Admin\AppData\Local\Temp\a3cfced1d222587005b78d13246584d318b4e2d7cde685c6ffba76424dc8fca1N.exe"
    1⤵
    • Modifies WinLogon
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2884
    • C:\Windows\apppatch\svchost.exe
      "C:\Windows\apppatch\svchost.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2584

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Low\IE\3OVSR3LM\login[1].htm

          Filesize

          168B

          MD5

          d57e3a550060f85d44a175139ea23021

          SHA1

          2c5cb3428a322c9709a34d04dd86fe7628f8f0a6

          SHA256

          43edf068d34276e8ade4113d4d7207de19fc98a2ae1c07298e593edae2a8774c

          SHA512

          0364fe6a010fce7a3f4a6344c84468c64b20fd131f3160fc649db78f1075ba52d8a1c4496e50dbe27c357e01ee52e94cdcda8f7927cba28d5f2f45b9da690063

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Low\IE\9E6IFZB1\login[1].htm

          Filesize

          162B

          MD5

          4f8e702cc244ec5d4de32740c0ecbd97

          SHA1

          3adb1f02d5b6054de0046e367c1d687b6cdf7aff

          SHA256

          9e17cb15dd75bbbd5dbb984eda674863c3b10ab72613cf8a39a00c3e11a8492a

          SHA512

          21047fea5269fee75a2a187aa09316519e35068cb2f2f76cfaf371e5224445e9d5c98497bd76fb9608d2b73e9dac1a3f5bfadfdc4623c479d53ecf93d81d3c9f

        • C:\Windows\apppatch\svchost.exe

          Filesize

          373KB

          MD5

          3c67c986008499e5804e78ee0190d09d

          SHA1

          7d4031c54c2afd43bdd0173eec3c037731ac7e2c

          SHA256

          299cdf3c2c7c3d01181ebad9002a125001b9c9f56f21acf8a6fab7bd34d134ac

          SHA512

          94633135656caa52256a8527399aa60e3c2ab14a896316231ded289cfb8804083849e5dfd962320163f9c1a4e660b402e6833976cd1f23ee5f047333846a26f1

        • memory/2584-12-0x0000000002AE0000-0x0000000002B8A000-memory.dmp

          Filesize

          680KB

        • memory/2584-13-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-15-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-17-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-19-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-22-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-74-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-73-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-71-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-70-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-69-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-68-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-67-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-66-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-65-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-64-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-63-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-62-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-61-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-59-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-58-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-57-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-56-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-55-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-54-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-52-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-51-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-50-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-49-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-48-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-47-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-46-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-45-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-44-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-43-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-41-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-40-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-39-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-38-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-37-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-36-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-35-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-33-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-32-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-31-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-30-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-29-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-28-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-26-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-24-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-23-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-21-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-20-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-72-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-60-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-53-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-42-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-34-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-18-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-27-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-25-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-146-0x0000000002F00000-0x0000000002FB7000-memory.dmp

          Filesize

          732KB

        • memory/2584-2041-0x0000000007480000-0x0000000007481000-memory.dmp

          Filesize

          4KB

        • memory/2584-2040-0x0000000007470000-0x0000000007471000-memory.dmp

          Filesize

          4KB

        • memory/2584-2039-0x0000000007490000-0x0000000007491000-memory.dmp

          Filesize

          4KB

        • memory/2584-2038-0x0000000077B72000-0x0000000077B73000-memory.dmp

          Filesize

          4KB

        • memory/2884-11-0x00000000006F0000-0x000000000074E9DE-memory.dmp

          Filesize

          378KB