Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22-11-2024 19:02

General

  • Target

    7d211c1e8d1fdf7f124499714bc317b5a9c4750c6cccc8f8dfea68530499b04f.exe

  • Size

    202KB

  • MD5

    613d49cba2ef21ac88c887dbd28eeec7

  • SHA1

    911d2ec9e2f1631f522d8d39b0cfab4c74630928

  • SHA256

    7d211c1e8d1fdf7f124499714bc317b5a9c4750c6cccc8f8dfea68530499b04f

  • SHA512

    304fb08e4956bbb43976b5483b1daa34d0888bfcba3cbb40128064c17c783f1aae342bf9c3aac686af431186e934ff1fb4583b43bf9ee15a9ad096e8556979ec

  • SSDEEP

    3072:u8nh2Hrp3Tlp+soN3BY2ZBHetwcyf1w5DYRZPQaQrhu8ihDNugrBVgc8gbmT2Pcs:vnw9lEs3hhyaubQTkhbrBVL8gbmT2Pcs

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 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 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7d211c1e8d1fdf7f124499714bc317b5a9c4750c6cccc8f8dfea68530499b04f.exe
    "C:\Users\Admin\AppData\Local\Temp\7d211c1e8d1fdf7f124499714bc317b5a9c4750c6cccc8f8dfea68530499b04f.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:2868
    • 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:1228

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\3F09.tmp

    Filesize

    41KB

    MD5

    181767b14aeb26c234254a5c9ab075d7

    SHA1

    e7df5d6ddf7545234ad3335922ca9b0e8ed7e02c

    SHA256

    2628548996d6d6b605617f618de61ba2423adcceafc5fec71d8f758a4e237b88

    SHA512

    41196486ab8bc90857ffa3eaa9bb1de0e66db4efc9367e060fe30f8efb8d57ae12354112ff5a91d28deeb693182a5dec300ea32396e216a3bba79ddcce4fa294

  • C:\Users\Admin\AppData\Local\Temp\3F09.tmp

    Filesize

    41KB

    MD5

    c185d08a5ff960633cb1fca765f5b178

    SHA1

    21472d54d1f9b22f520255e8fcf0b6e54ee9f6b4

    SHA256

    9549fb7125a0afa43b19b4bd243d5b3c8be2a748b5fbc392d62dbd351764bdbd

    SHA512

    8581712bc811f6c88ce7673e6de995d2c7d02a821e12d55f0f117511fdd9b763363f09a85f0b88674d5af57c6d606db8b22f37a746317846d4df83e1d60b954d

  • C:\Users\Admin\AppData\Local\Temp\91CB.tmp

    Filesize

    1KB

    MD5

    2860d879bdda5b6908ba880935df6506

    SHA1

    619d9163d92b5d47102a37729c444bc808ce3054

    SHA256

    6b020b3458244ca7d0acae80344172627141023bd6c08a751a61765a3b7ba617

    SHA512

    7ed736f9d8b767e9320fc7df53e7dd62aaa6173f8de0cc411cfd97e15cc58c346afde10d5310297f6a4ea16bd6f8c21b828f8404a74ecf31e90358e5245c5a5b

  • C:\Users\Admin\AppData\Local\Temp\D34F.tmp

    Filesize

    593B

    MD5

    926512864979bc27cf187f1de3f57aff

    SHA1

    acdeb9d6187932613c7fa08eaf28f0cd8116f4b5

    SHA256

    b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f

    SHA512

    f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b

  • C:\Windows\AppPatch\svchost.exe

    Filesize

    202KB

    MD5

    72b0ecadf542b2bb7d45d54fcb0ed133

    SHA1

    56a8825998b45378456eee099e08414e48d02bfd

    SHA256

    8d33ed74c479255f47071230a9222ba92fd6fd5073e256a1db2ab7f9b534dfec

    SHA512

    897db2e82499d448b569e8c5a591af80c05092032008deb88c5a5f38f8cf723bbfc3aab2acfee6e89686a4b7039973d138d0e0e355f058e7a2c09d35aedd2ea7

  • memory/1228-54-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/1228-15-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/1228-50-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/1228-16-0x0000000001E20000-0x0000000001EC8000-memory.dmp

    Filesize

    672KB

  • memory/1228-48-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/1228-32-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/1228-30-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/1228-39-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/1228-47-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/1228-80-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/1228-79-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/1228-77-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/1228-75-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/1228-74-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/1228-73-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/1228-71-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/1228-70-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/1228-68-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/1228-67-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/1228-66-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/1228-64-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/1228-63-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/1228-61-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/1228-60-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/1228-59-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/1228-57-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/1228-56-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/1228-27-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/1228-53-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/1228-51-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/1228-20-0x0000000001E20000-0x0000000001EC8000-memory.dmp

    Filesize

    672KB

  • memory/1228-22-0x0000000001E20000-0x0000000001EC8000-memory.dmp

    Filesize

    672KB

  • memory/1228-28-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/1228-46-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/1228-45-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/1228-44-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/1228-43-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/1228-42-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/1228-41-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/1228-40-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/1228-38-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/1228-78-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/1228-76-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/1228-72-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/1228-69-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/1228-65-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/1228-62-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/1228-58-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/1228-37-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/1228-36-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/1228-55-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/1228-35-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/1228-52-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/1228-34-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/1228-24-0x0000000001E20000-0x0000000001EC8000-memory.dmp

    Filesize

    672KB

  • memory/1228-26-0x0000000001E20000-0x0000000001EC8000-memory.dmp

    Filesize

    672KB

  • memory/1228-18-0x0000000001E20000-0x0000000001EC8000-memory.dmp

    Filesize

    672KB

  • memory/1228-49-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2868-0-0x0000000000240000-0x0000000000243000-memory.dmp

    Filesize

    12KB

  • memory/2868-1-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2868-14-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2868-13-0x0000000000240000-0x0000000000243000-memory.dmp

    Filesize

    12KB