Analysis

  • max time kernel
    115s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    22-11-2024 22:39

General

  • Target

    e4e65b001d63e7be86035e0e88b4edda0d410805250b1fa72978c923f871c2fa.exe

  • Size

    686KB

  • MD5

    883f5bf988e28b457a851e038e653b48

  • SHA1

    613bed64177364515e61d12dc6075099e1de6a44

  • SHA256

    e4e65b001d63e7be86035e0e88b4edda0d410805250b1fa72978c923f871c2fa

  • SHA512

    2c0df086c20674ede6b4a521984443b098e1ef8770b3c5afbb28f9ca389c4fa985fba9c3e162b016f30d323c890e1cb64c1c4ef3bb6d0bbbc775741cebe10d39

  • SSDEEP

    12288:7mWhND9yJz+b1FcMLmp2ATTSsdApVHyGbs2CYPHrLpVmCbHDSgpH:7mUNJyJqb1FcMap2ATT5itjCYZ3DSoH

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\e4e65b001d63e7be86035e0e88b4edda0d410805250b1fa72978c923f871c2fa.exe
    "C:\Users\Admin\AppData\Local\Temp\e4e65b001d63e7be86035e0e88b4edda0d410805250b1fa72978c923f871c2fa.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:2216
    • 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:2796

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\5F4F.tmp

    Filesize

    1KB

    MD5

    59242fbde58b02187997aba1f09f7aca

    SHA1

    92db5ef39ef43ea109dd1da259471daba3003ac2

    SHA256

    171d22c26c79fd77668bd170e60a4e6b6cef034f1b4e5897aad63d57ecbbd259

    SHA512

    25ec2e3e8493f44f4109991ec6bc2d9468c657436a7a376f01f0518fe908c209fa611718dba2ef0ca9fac0558c225c57fc1ed993a017ea3f64e93493035f5a50

  • C:\Users\Admin\AppData\Local\Temp\5FD1.tmp

    Filesize

    41KB

    MD5

    155b07d8274e60e5f69caacc7bdfce08

    SHA1

    3d52426ada5e818624f10cf45e696cb6a7c9ce64

    SHA256

    f15b2f66623a586dc53331e377c278f386301c51613fadd5364e9d83495589d6

    SHA512

    2005331b3526ddae30bed94ebeb54fc2b18d8a684dddbf01af6d2355c0fcf4bce712a7d5066bb7a553a33c364924acd397dac42a1c1c0e5b67a00422ebac8f27

  • C:\Users\Admin\AppData\Local\Temp\5FD6.tmp

    Filesize

    24KB

    MD5

    a5ae5e6b7314f0370cf4d990e7246d4d

    SHA1

    59c5294b4c659eeff7164b7427c94560ed86b600

    SHA256

    e1a30527746cac80ad8b70042f5ba825541a713ddaa170860b5996f7f603c108

    SHA512

    dfa1ab191af8684c1df05058d9f5d1f28ace844ff9a20d8a61280e93a60f56cce72c81ab0ad3485ba09e86e1c78b63968895a6d052af86019ccc6511480e2ba2

  • C:\Users\Admin\AppData\Local\Temp\7BFD.tmp

    Filesize

    593B

    MD5

    926512864979bc27cf187f1de3f57aff

    SHA1

    acdeb9d6187932613c7fa08eaf28f0cd8116f4b5

    SHA256

    b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f

    SHA512

    f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b

  • C:\Windows\AppPatch\svchost.exe

    Filesize

    686KB

    MD5

    6999a2325afda772ad03efc52107da7f

    SHA1

    0d39e9dd49a6aedac6904e1066fa40dde21797cc

    SHA256

    3ece7bbd47ad01cf9c2c5e967b1108dc8ca5a4eb0564a05cf2f871cb774051fe

    SHA512

    5195a6996ad66d1265336028fc71f5b76acd4667f51dc06a0b54013c0eb586a741a3882b7a641c8f7308d376f087c1d5117953c72ccca74ecf1eacfbbfc1265d

  • memory/2216-12-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2796-16-0x0000000001FF0000-0x0000000002098000-memory.dmp

    Filesize

    672KB

  • memory/2796-22-0x0000000001FF0000-0x0000000002098000-memory.dmp

    Filesize

    672KB

  • memory/2796-24-0x0000000001FF0000-0x0000000002098000-memory.dmp

    Filesize

    672KB

  • memory/2796-20-0x0000000001FF0000-0x0000000002098000-memory.dmp

    Filesize

    672KB

  • memory/2796-18-0x0000000001FF0000-0x0000000002098000-memory.dmp

    Filesize

    672KB

  • memory/2796-14-0x0000000001FF0000-0x0000000002098000-memory.dmp

    Filesize

    672KB

  • memory/2796-27-0x00000000023B0000-0x0000000002466000-memory.dmp

    Filesize

    728KB

  • memory/2796-30-0x00000000023B0000-0x0000000002466000-memory.dmp

    Filesize

    728KB

  • memory/2796-28-0x00000000023B0000-0x0000000002466000-memory.dmp

    Filesize

    728KB

  • memory/2796-36-0x00000000023B0000-0x0000000002466000-memory.dmp

    Filesize

    728KB

  • memory/2796-33-0x00000000023B0000-0x0000000002466000-memory.dmp

    Filesize

    728KB

  • memory/2796-49-0x00000000023B0000-0x0000000002466000-memory.dmp

    Filesize

    728KB

  • memory/2796-78-0x00000000023B0000-0x0000000002466000-memory.dmp

    Filesize

    728KB

  • memory/2796-77-0x00000000023B0000-0x0000000002466000-memory.dmp

    Filesize

    728KB

  • memory/2796-76-0x00000000023B0000-0x0000000002466000-memory.dmp

    Filesize

    728KB

  • memory/2796-75-0x00000000023B0000-0x0000000002466000-memory.dmp

    Filesize

    728KB

  • memory/2796-73-0x00000000023B0000-0x0000000002466000-memory.dmp

    Filesize

    728KB

  • memory/2796-72-0x00000000023B0000-0x0000000002466000-memory.dmp

    Filesize

    728KB

  • memory/2796-71-0x00000000023B0000-0x0000000002466000-memory.dmp

    Filesize

    728KB

  • memory/2796-70-0x00000000023B0000-0x0000000002466000-memory.dmp

    Filesize

    728KB

  • memory/2796-69-0x00000000023B0000-0x0000000002466000-memory.dmp

    Filesize

    728KB

  • memory/2796-68-0x00000000023B0000-0x0000000002466000-memory.dmp

    Filesize

    728KB

  • memory/2796-67-0x00000000023B0000-0x0000000002466000-memory.dmp

    Filesize

    728KB

  • memory/2796-66-0x00000000023B0000-0x0000000002466000-memory.dmp

    Filesize

    728KB

  • memory/2796-65-0x00000000023B0000-0x0000000002466000-memory.dmp

    Filesize

    728KB

  • memory/2796-64-0x00000000023B0000-0x0000000002466000-memory.dmp

    Filesize

    728KB

  • memory/2796-63-0x00000000023B0000-0x0000000002466000-memory.dmp

    Filesize

    728KB

  • memory/2796-62-0x00000000023B0000-0x0000000002466000-memory.dmp

    Filesize

    728KB

  • memory/2796-60-0x00000000023B0000-0x0000000002466000-memory.dmp

    Filesize

    728KB

  • memory/2796-59-0x00000000023B0000-0x0000000002466000-memory.dmp

    Filesize

    728KB

  • memory/2796-58-0x00000000023B0000-0x0000000002466000-memory.dmp

    Filesize

    728KB

  • memory/2796-57-0x00000000023B0000-0x0000000002466000-memory.dmp

    Filesize

    728KB

  • memory/2796-56-0x00000000023B0000-0x0000000002466000-memory.dmp

    Filesize

    728KB

  • memory/2796-55-0x00000000023B0000-0x0000000002466000-memory.dmp

    Filesize

    728KB

  • memory/2796-54-0x00000000023B0000-0x0000000002466000-memory.dmp

    Filesize

    728KB

  • memory/2796-53-0x00000000023B0000-0x0000000002466000-memory.dmp

    Filesize

    728KB

  • memory/2796-52-0x00000000023B0000-0x0000000002466000-memory.dmp

    Filesize

    728KB

  • memory/2796-51-0x00000000023B0000-0x0000000002466000-memory.dmp

    Filesize

    728KB

  • memory/2796-50-0x00000000023B0000-0x0000000002466000-memory.dmp

    Filesize

    728KB

  • memory/2796-48-0x00000000023B0000-0x0000000002466000-memory.dmp

    Filesize

    728KB

  • memory/2796-74-0x00000000023B0000-0x0000000002466000-memory.dmp

    Filesize

    728KB

  • memory/2796-47-0x00000000023B0000-0x0000000002466000-memory.dmp

    Filesize

    728KB

  • memory/2796-45-0x00000000023B0000-0x0000000002466000-memory.dmp

    Filesize

    728KB

  • memory/2796-44-0x00000000023B0000-0x0000000002466000-memory.dmp

    Filesize

    728KB

  • memory/2796-42-0x00000000023B0000-0x0000000002466000-memory.dmp

    Filesize

    728KB

  • memory/2796-41-0x00000000023B0000-0x0000000002466000-memory.dmp

    Filesize

    728KB

  • memory/2796-61-0x00000000023B0000-0x0000000002466000-memory.dmp

    Filesize

    728KB

  • memory/2796-40-0x00000000023B0000-0x0000000002466000-memory.dmp

    Filesize

    728KB

  • memory/2796-38-0x00000000023B0000-0x0000000002466000-memory.dmp

    Filesize

    728KB

  • memory/2796-46-0x00000000023B0000-0x0000000002466000-memory.dmp

    Filesize

    728KB

  • memory/2796-43-0x00000000023B0000-0x0000000002466000-memory.dmp

    Filesize

    728KB

  • memory/2796-39-0x00000000023B0000-0x0000000002466000-memory.dmp

    Filesize

    728KB

  • memory/2796-37-0x00000000023B0000-0x0000000002466000-memory.dmp

    Filesize

    728KB

  • memory/2796-35-0x00000000023B0000-0x0000000002466000-memory.dmp

    Filesize

    728KB

  • memory/2796-34-0x00000000023B0000-0x0000000002466000-memory.dmp

    Filesize

    728KB

  • memory/2796-32-0x00000000023B0000-0x0000000002466000-memory.dmp

    Filesize

    728KB

  • memory/2796-337-0x00000000023B0000-0x0000000002466000-memory.dmp

    Filesize

    728KB