Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    29-10-2024 09:39

General

  • Target

    169e61287e7c38cd2f039125d2e9b1d8af8d71d2444d5819c3c28f9702c7fa50N.exe

  • Size

    380KB

  • MD5

    cb200a88d1d022add37ea259d0a2c9b0

  • SHA1

    05a76b5c5023da97e93f24cb614256498eca472b

  • SHA256

    169e61287e7c38cd2f039125d2e9b1d8af8d71d2444d5819c3c28f9702c7fa50

  • SHA512

    69bdf7d9d2347ceadab6c280317ba827f780e1a96a24b5c7803184c4f106486ceba1bbed130084bd058adfe66c38180974a2374c8385ba584a160d62544145a5

  • SSDEEP

    6144:SaEmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9EiwmryP:emWhND9yJz+b1FcMLmp2ATTSsdwmryP

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\169e61287e7c38cd2f039125d2e9b1d8af8d71d2444d5819c3c28f9702c7fa50N.exe
    "C:\Users\Admin\AppData\Local\Temp\169e61287e7c38cd2f039125d2e9b1d8af8d71d2444d5819c3c28f9702c7fa50N.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:1800
    • 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:1708

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\CA62.tmp

    Filesize

    24KB

    MD5

    a0f8a35479ec06a80420e6bcc70d502a

    SHA1

    9bcb0de60efc377cb0b70fa65d0d4b6c44add309

    SHA256

    ac9362e0e147319221ba9c997de97466f9106310570c16acb0ef228fce0c5a8c

    SHA512

    01f915c442c0aee0f1dbdd663e25c963b8022b9236b13259a81e6bad94056609f4b652b5a311e8b4a5493710ec03b2da8b86f65c7d0690b3ffe747948c50a286

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

    Filesize

    593B

    MD5

    926512864979bc27cf187f1de3f57aff

    SHA1

    acdeb9d6187932613c7fa08eaf28f0cd8116f4b5

    SHA256

    b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f

    SHA512

    f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b

  • C:\Users\Admin\AppData\Local\Temp\CED0.tmp

    Filesize

    41KB

    MD5

    3f6a4c56e664226a94f756bcab73bc14

    SHA1

    794c232d205db73749aefbf7c228876b99fc1183

    SHA256

    869736233bcae13839f55a5f604875c1be61d3b3fa842167d88e557f119040a2

    SHA512

    4577f57b899aeecd0ad30f30fcd23aa8fd72bf1956a6897f8db920536748845fb062fef26b4eb8c3cab07435b6937efa15a384b93603c3e25ca8bce8937816e5

  • C:\Windows\AppPatch\svchost.exe

    Filesize

    380KB

    MD5

    77618ea6d95cc221ea9c1e02b393106a

    SHA1

    41754fd137effdf907ac10edd90294a3f5bca1a1

    SHA256

    3123c9b483d809cd5af7a75e25f3358792c512337bda7610b966c4e418f7e6ca

    SHA512

    51418ece6a4dbdb7ea618ba79648792a3dc3656995a7193dadc38f693ef745016a7c1ff0f35db8250d6c7dd200bea66e9d8f145112d325b97755afd81e6c87b5

  • memory/1708-23-0x0000000002260000-0x0000000002308000-memory.dmp

    Filesize

    672KB

  • memory/1708-24-0x0000000002260000-0x0000000002308000-memory.dmp

    Filesize

    672KB

  • memory/1708-20-0x0000000002260000-0x0000000002308000-memory.dmp

    Filesize

    672KB

  • memory/1708-18-0x0000000002260000-0x0000000002308000-memory.dmp

    Filesize

    672KB

  • memory/1708-16-0x0000000002260000-0x0000000002308000-memory.dmp

    Filesize

    672KB

  • memory/1708-14-0x0000000002260000-0x0000000002308000-memory.dmp

    Filesize

    672KB

  • memory/1708-28-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1708-27-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1708-30-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1708-39-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1708-37-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1708-36-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1708-34-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1708-32-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1708-38-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1708-35-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1708-33-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1708-52-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1708-78-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1708-77-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1708-76-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1708-75-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1708-74-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1708-73-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1708-72-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1708-71-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1708-69-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1708-68-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1708-66-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1708-64-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1708-63-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1708-62-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1708-61-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1708-60-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1708-59-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1708-58-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1708-57-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1708-56-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1708-54-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1708-53-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1708-51-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1708-50-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1708-49-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1708-48-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1708-47-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1708-46-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1708-45-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1708-44-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1708-43-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1708-42-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1708-70-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1708-67-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1708-65-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1708-41-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1708-40-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1708-55-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1708-196-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1800-12-0x0000000000400000-0x000000000046B000-memory.dmp

    Filesize

    428KB