Analysis

  • max time kernel
    119s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    30-10-2024 14:20

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:2084
    • 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:2028

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\E300.tmp

    Filesize

    24KB

    MD5

    146ad385feecf8f1a0fec58acf09f84f

    SHA1

    9be46231a011d30756ea66443e59946a77c10ec6

    SHA256

    d6dac6c132def0f4ff8a4a907d2382f0a2531c752265327a5e11d00e4e3f4276

    SHA512

    b67b64c33277ea46440ec7a9eb82f880166fd22d0ecc8d4396d5d83288e8694f94bd1a9335c60af49c2d6d7b0c78c1e71fedd6398e2d4412a8efba467550f8fc

  • C:\Users\Admin\AppData\Local\Temp\E386.tmp

    Filesize

    481B

    MD5

    67ec68f6b76130f1db79ae33c12f289d

    SHA1

    14b10c1a585b24255c592fd1b39c3a3705ff370e

    SHA256

    30b8860684bbb24a2ba1fde525be4ee5d0529bb89f848d9edf0e2f046c00b5f8

    SHA512

    beeaad0fe549e40ae2c4e6bc2d4490185c25c0abc95e6ae4e8d351998752c938a14561542f72b55abcf9feab82fff68b498f241ec712bb65c657d2c713b3f6e9

  • \Windows\AppPatch\svchost.exe

    Filesize

    355KB

    MD5

    c4c417c8840d5e0b80761d981942947f

    SHA1

    46418b3821491f591bdd9956f5c80b9be69299c4

    SHA256

    8ad3e3783779b48cf3c27ad7582277524c9ea6597607f2608c7303150c721c2f

    SHA512

    71364f54395ec04eea8160158dea91544642ba69bf97d871b65c124633e0cdb6b1e25671869119a0bbf1b2a579d49e3cc30d48abab51fd24c15c8d1d06b3a00f

  • memory/2028-14-0x0000000000460000-0x0000000000508000-memory.dmp

    Filesize

    672KB

  • memory/2028-20-0x0000000000460000-0x0000000000508000-memory.dmp

    Filesize

    672KB

  • memory/2028-24-0x0000000000460000-0x0000000000508000-memory.dmp

    Filesize

    672KB

  • memory/2028-22-0x0000000000460000-0x0000000000508000-memory.dmp

    Filesize

    672KB

  • memory/2028-18-0x0000000000460000-0x0000000000508000-memory.dmp

    Filesize

    672KB

  • memory/2028-16-0x0000000000460000-0x0000000000508000-memory.dmp

    Filesize

    672KB

  • memory/2028-25-0x0000000002300000-0x00000000023B6000-memory.dmp

    Filesize

    728KB

  • memory/2028-29-0x0000000002300000-0x00000000023B6000-memory.dmp

    Filesize

    728KB

  • memory/2028-27-0x0000000002300000-0x00000000023B6000-memory.dmp

    Filesize

    728KB

  • memory/2028-36-0x0000000002300000-0x00000000023B6000-memory.dmp

    Filesize

    728KB

  • memory/2028-44-0x0000000002300000-0x00000000023B6000-memory.dmp

    Filesize

    728KB

  • memory/2028-57-0x0000000002300000-0x00000000023B6000-memory.dmp

    Filesize

    728KB

  • memory/2028-56-0x0000000002300000-0x00000000023B6000-memory.dmp

    Filesize

    728KB

  • memory/2028-58-0x0000000002300000-0x00000000023B6000-memory.dmp

    Filesize

    728KB

  • memory/2028-55-0x0000000002300000-0x00000000023B6000-memory.dmp

    Filesize

    728KB

  • memory/2028-54-0x0000000002300000-0x00000000023B6000-memory.dmp

    Filesize

    728KB

  • memory/2028-53-0x0000000002300000-0x00000000023B6000-memory.dmp

    Filesize

    728KB

  • memory/2028-52-0x0000000002300000-0x00000000023B6000-memory.dmp

    Filesize

    728KB

  • memory/2028-71-0x0000000002300000-0x00000000023B6000-memory.dmp

    Filesize

    728KB

  • memory/2028-77-0x0000000002300000-0x00000000023B6000-memory.dmp

    Filesize

    728KB

  • memory/2028-76-0x0000000002300000-0x00000000023B6000-memory.dmp

    Filesize

    728KB

  • memory/2028-75-0x0000000002300000-0x00000000023B6000-memory.dmp

    Filesize

    728KB

  • memory/2028-74-0x0000000002300000-0x00000000023B6000-memory.dmp

    Filesize

    728KB

  • memory/2028-73-0x0000000002300000-0x00000000023B6000-memory.dmp

    Filesize

    728KB

  • memory/2028-72-0x0000000002300000-0x00000000023B6000-memory.dmp

    Filesize

    728KB

  • memory/2028-70-0x0000000002300000-0x00000000023B6000-memory.dmp

    Filesize

    728KB

  • memory/2028-69-0x0000000002300000-0x00000000023B6000-memory.dmp

    Filesize

    728KB

  • memory/2028-68-0x0000000002300000-0x00000000023B6000-memory.dmp

    Filesize

    728KB

  • memory/2028-67-0x0000000002300000-0x00000000023B6000-memory.dmp

    Filesize

    728KB

  • memory/2028-66-0x0000000002300000-0x00000000023B6000-memory.dmp

    Filesize

    728KB

  • memory/2028-65-0x0000000002300000-0x00000000023B6000-memory.dmp

    Filesize

    728KB

  • memory/2028-64-0x0000000002300000-0x00000000023B6000-memory.dmp

    Filesize

    728KB

  • memory/2028-63-0x0000000002300000-0x00000000023B6000-memory.dmp

    Filesize

    728KB

  • memory/2028-62-0x0000000002300000-0x00000000023B6000-memory.dmp

    Filesize

    728KB

  • memory/2028-61-0x0000000002300000-0x00000000023B6000-memory.dmp

    Filesize

    728KB

  • memory/2028-60-0x0000000002300000-0x00000000023B6000-memory.dmp

    Filesize

    728KB

  • memory/2028-59-0x0000000002300000-0x00000000023B6000-memory.dmp

    Filesize

    728KB

  • memory/2028-51-0x0000000002300000-0x00000000023B6000-memory.dmp

    Filesize

    728KB

  • memory/2028-50-0x0000000002300000-0x00000000023B6000-memory.dmp

    Filesize

    728KB

  • memory/2028-49-0x0000000002300000-0x00000000023B6000-memory.dmp

    Filesize

    728KB

  • memory/2028-48-0x0000000002300000-0x00000000023B6000-memory.dmp

    Filesize

    728KB

  • memory/2028-47-0x0000000002300000-0x00000000023B6000-memory.dmp

    Filesize

    728KB

  • memory/2028-46-0x0000000002300000-0x00000000023B6000-memory.dmp

    Filesize

    728KB

  • memory/2028-45-0x0000000002300000-0x00000000023B6000-memory.dmp

    Filesize

    728KB

  • memory/2028-43-0x0000000002300000-0x00000000023B6000-memory.dmp

    Filesize

    728KB

  • memory/2028-42-0x0000000002300000-0x00000000023B6000-memory.dmp

    Filesize

    728KB

  • memory/2028-41-0x0000000002300000-0x00000000023B6000-memory.dmp

    Filesize

    728KB

  • memory/2028-40-0x0000000002300000-0x00000000023B6000-memory.dmp

    Filesize

    728KB

  • memory/2028-39-0x0000000002300000-0x00000000023B6000-memory.dmp

    Filesize

    728KB

  • memory/2028-38-0x0000000002300000-0x00000000023B6000-memory.dmp

    Filesize

    728KB

  • memory/2028-37-0x0000000002300000-0x00000000023B6000-memory.dmp

    Filesize

    728KB

  • memory/2028-31-0x0000000002300000-0x00000000023B6000-memory.dmp

    Filesize

    728KB

  • memory/2028-35-0x0000000002300000-0x00000000023B6000-memory.dmp

    Filesize

    728KB

  • memory/2028-34-0x0000000002300000-0x00000000023B6000-memory.dmp

    Filesize

    728KB

  • memory/2028-33-0x0000000002300000-0x00000000023B6000-memory.dmp

    Filesize

    728KB

  • memory/2028-32-0x0000000002300000-0x00000000023B6000-memory.dmp

    Filesize

    728KB

  • memory/2028-202-0x0000000002300000-0x00000000023B6000-memory.dmp

    Filesize

    728KB

  • memory/2084-13-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB