Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    30-10-2024 14:23

General

  • Target

    0107129d4e33ca0eb7b12f0d7ca8fe827dbefec97799891aebe960ff91f204f7N.exe

  • Size

    355KB

  • MD5

    cf788518a7738e838c98837e62f091a0

  • SHA1

    8d55efcf0e1c63217a342c5753ab9dd7043be71a

  • SHA256

    0107129d4e33ca0eb7b12f0d7ca8fe827dbefec97799891aebe960ff91f204f7

  • SHA512

    4554b7a65324d014eaa0887d063c5b584aac3304f9bfbe3bb1d5acaa7494ade8a2ebeb4f2b5462da191feefd4ab01013905bede134347f9927439af4b99d5f0b

  • SSDEEP

    6144:X3EmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9EiS:kmWhND9yJz+b1FcMLmp2ATTSsdS

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\0107129d4e33ca0eb7b12f0d7ca8fe827dbefec97799891aebe960ff91f204f7N.exe
    "C:\Users\Admin\AppData\Local\Temp\0107129d4e33ca0eb7b12f0d7ca8fe827dbefec97799891aebe960ff91f204f7N.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:784
    • 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:2460

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\4AAC.tmp

    Filesize

    1KB

    MD5

    fc282db46a09b5db001b02832402f557

    SHA1

    440a9e7310a0f14431aa7602bd478bdb740525a5

    SHA256

    501d0271054212817a449ea17e79b0cfc2f08ae9b055fa99fff9935e7a526eea

    SHA512

    613a8f1432367aa4af4e72ce836b4c3596a67d7dc5bfe0adc3173b09d6d43442ff3e8061b012d4c2b1f3f9e66bfef9f039ebb52297c5a033b9cc89d9c400209a

  • C:\Users\Admin\AppData\Local\Temp\A63A.tmp

    MD5

    d41d8cd98f00b204e9800998ecf8427e

    SHA1

    da39a3ee5e6b4b0d3255bfef95601890afd80709

    SHA256

    e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

    SHA512

    cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

  • C:\Users\Admin\AppData\Local\Temp\D890.tmp

    Filesize

    481B

    MD5

    748ca42411405ac7edcbe38c7e755890

    SHA1

    9c46e040d1044c614686482ee5c6d0ccaebb1cd6

    SHA256

    2a30361d3c14d064a4b50edf6c6c7b0200231a9171855c9f42cebd356022b261

    SHA512

    c2a9ebacd212ab17e4fc7475295833eb0fdb918ac0c03a664f423f036964706507193cf4479f03667860100907b19ef50d6ca8dcecfae83498a02107059bb0fa

  • \Windows\AppPatch\svchost.exe

    Filesize

    355KB

    MD5

    6ba3448c845801f57ee00a6ba710fde0

    SHA1

    7e1bd0c997cefd0561c0ddd121c09c74f6a7952a

    SHA256

    8eb6776365b39cd21fe0566d7ef042760f00902119d1e5738dc1d40d17f94720

    SHA512

    15e069bea1005245c1d8cb37626c872fa6c868f7cd408e89096ac917c1a2094071ee9bcb52089a470052dcfe560433f8654c69d697f49b468c341c327a60bfa8

  • memory/784-13-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2460-16-0x00000000021D0000-0x0000000002278000-memory.dmp

    Filesize

    672KB

  • memory/2460-24-0x00000000021D0000-0x0000000002278000-memory.dmp

    Filesize

    672KB

  • memory/2460-22-0x00000000021D0000-0x0000000002278000-memory.dmp

    Filesize

    672KB

  • memory/2460-20-0x00000000021D0000-0x0000000002278000-memory.dmp

    Filesize

    672KB

  • memory/2460-18-0x00000000021D0000-0x0000000002278000-memory.dmp

    Filesize

    672KB

  • memory/2460-14-0x00000000021D0000-0x0000000002278000-memory.dmp

    Filesize

    672KB

  • memory/2460-30-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/2460-28-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/2460-27-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/2460-42-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/2460-70-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/2460-78-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/2460-77-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/2460-75-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/2460-74-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/2460-73-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/2460-72-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/2460-71-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/2460-69-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/2460-68-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/2460-67-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/2460-65-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/2460-64-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/2460-63-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/2460-62-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/2460-61-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/2460-60-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/2460-59-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/2460-58-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/2460-57-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/2460-55-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/2460-54-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/2460-53-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/2460-52-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/2460-51-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/2460-50-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/2460-49-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/2460-48-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/2460-47-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/2460-46-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/2460-45-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/2460-44-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/2460-43-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/2460-76-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/2460-66-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/2460-41-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/2460-40-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/2460-39-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/2460-38-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/2460-56-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/2460-37-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/2460-36-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/2460-35-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/2460-34-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/2460-32-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/2460-33-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/2460-189-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB