Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    31/12/2024, 18:33

General

  • Target

    f327cfaceece8ee96164cd92d20df6573b4b30969cb17e68721fc36dcce5afef.exe

  • Size

    686KB

  • MD5

    eeb4525536901361e31fed54e775f6a0

  • SHA1

    2b9c92a16be46b0ba67aaa6c703ac59413cfd7b8

  • SHA256

    f327cfaceece8ee96164cd92d20df6573b4b30969cb17e68721fc36dcce5afef

  • SHA512

    5b0e995fcc7d3260f31678dff48fc9ebea743ff5c51714884427671a865e074dd0bf75248971e4ac658db75ddee8e6112a6519baac40467c1793448dfef892b3

  • SSDEEP

    12288:YmWhND9yJz+b1FcMLmp2ATTSsdApVHyGbs2CYPHrLpVmCbHDSgpl:YmUNJyJqb1FcMap2ATT5itjCYZ3DSol

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\f327cfaceece8ee96164cd92d20df6573b4b30969cb17e68721fc36dcce5afef.exe
    "C:\Users\Admin\AppData\Local\Temp\f327cfaceece8ee96164cd92d20df6573b4b30969cb17e68721fc36dcce5afef.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:1152
    • 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:2772

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\42A2.tmp

    Filesize

    593B

    MD5

    3b03d93d3487806337b5c6443ce7a62d

    SHA1

    93a7a790bb6348606cbdaf5daeaaf4ea8cf731d0

    SHA256

    7392749832c70fcfc2d440d7afc2f880000dd564930d95d634eb1199fa15de30

    SHA512

    770977beaeedafc5c98d0c32edc8c6c850f05e9f363bc9997fa73991646b02e5d40ceed0017b06caeab0db86423844bc4b0a9f0df2d8239230e423a7bfbd4a88

  • C:\Users\Admin\AppData\Local\Temp\42A2.tmp

    Filesize

    593B

    MD5

    926512864979bc27cf187f1de3f57aff

    SHA1

    acdeb9d6187932613c7fa08eaf28f0cd8116f4b5

    SHA256

    b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f

    SHA512

    f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b

  • C:\Users\Admin\AppData\Local\Temp\E71A.tmp

    Filesize

    12KB

    MD5

    caa300673c11a7627a7b6346e1a93b61

    SHA1

    7ecaf36f1e150c478b6cfc3446ec7f0c662c071a

    SHA256

    42ae110a0ecd0d83c4f12314d42a585354b501856dc3c7b483123fcbc317f2aa

    SHA512

    f11f1182d2fdc14b2c64e2221091e318f76c9a41824977c1a93bf2077300bba919ca4a01c80340c4c20d239ac6dbadf091f544891f0ec72df62a6cc11231faa6

  • C:\Windows\AppPatch\svchost.exe

    Filesize

    686KB

    MD5

    e173409a7064286cd251f8e9ada80848

    SHA1

    3f202b44a5f5577c0404b5aef5dc2eba9e0a8e25

    SHA256

    512e6b0b354575a69cd1c8e0d124ada880c28e8718b801c5b1ecf530d17cf3b3

    SHA512

    ca1778e7bf80ff55e48531252aa90653676ef3895f44b7dbf502864d28a7c6d20ae9579d2782324855b0c3f62ee493974dcab51a85f38d5deaae930eb415bcb5

  • memory/1152-12-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2772-16-0x0000000002250000-0x00000000022F8000-memory.dmp

    Filesize

    672KB

  • memory/2772-20-0x0000000002250000-0x00000000022F8000-memory.dmp

    Filesize

    672KB

  • memory/2772-24-0x0000000002250000-0x00000000022F8000-memory.dmp

    Filesize

    672KB

  • memory/2772-22-0x0000000002250000-0x00000000022F8000-memory.dmp

    Filesize

    672KB

  • memory/2772-18-0x0000000002250000-0x00000000022F8000-memory.dmp

    Filesize

    672KB

  • memory/2772-14-0x0000000002250000-0x00000000022F8000-memory.dmp

    Filesize

    672KB

  • memory/2772-27-0x0000000002400000-0x00000000024B6000-memory.dmp

    Filesize

    728KB

  • memory/2772-30-0x0000000002400000-0x00000000024B6000-memory.dmp

    Filesize

    728KB

  • memory/2772-28-0x0000000002400000-0x00000000024B6000-memory.dmp

    Filesize

    728KB

  • memory/2772-38-0x0000000002400000-0x00000000024B6000-memory.dmp

    Filesize

    728KB

  • memory/2772-39-0x0000000002400000-0x00000000024B6000-memory.dmp

    Filesize

    728KB

  • memory/2772-67-0x0000000002400000-0x00000000024B6000-memory.dmp

    Filesize

    728KB

  • memory/2772-77-0x0000000002400000-0x00000000024B6000-memory.dmp

    Filesize

    728KB

  • memory/2772-76-0x0000000002400000-0x00000000024B6000-memory.dmp

    Filesize

    728KB

  • memory/2772-75-0x0000000002400000-0x00000000024B6000-memory.dmp

    Filesize

    728KB

  • memory/2772-74-0x0000000002400000-0x00000000024B6000-memory.dmp

    Filesize

    728KB

  • memory/2772-73-0x0000000002400000-0x00000000024B6000-memory.dmp

    Filesize

    728KB

  • memory/2772-72-0x0000000002400000-0x00000000024B6000-memory.dmp

    Filesize

    728KB

  • memory/2772-71-0x0000000002400000-0x00000000024B6000-memory.dmp

    Filesize

    728KB

  • memory/2772-70-0x0000000002400000-0x00000000024B6000-memory.dmp

    Filesize

    728KB

  • memory/2772-69-0x0000000002400000-0x00000000024B6000-memory.dmp

    Filesize

    728KB

  • memory/2772-68-0x0000000002400000-0x00000000024B6000-memory.dmp

    Filesize

    728KB

  • memory/2772-66-0x0000000002400000-0x00000000024B6000-memory.dmp

    Filesize

    728KB

  • memory/2772-64-0x0000000002400000-0x00000000024B6000-memory.dmp

    Filesize

    728KB

  • memory/2772-63-0x0000000002400000-0x00000000024B6000-memory.dmp

    Filesize

    728KB

  • memory/2772-62-0x0000000002400000-0x00000000024B6000-memory.dmp

    Filesize

    728KB

  • memory/2772-61-0x0000000002400000-0x00000000024B6000-memory.dmp

    Filesize

    728KB

  • memory/2772-60-0x0000000002400000-0x00000000024B6000-memory.dmp

    Filesize

    728KB

  • memory/2772-59-0x0000000002400000-0x00000000024B6000-memory.dmp

    Filesize

    728KB

  • memory/2772-58-0x0000000002400000-0x00000000024B6000-memory.dmp

    Filesize

    728KB

  • memory/2772-57-0x0000000002400000-0x00000000024B6000-memory.dmp

    Filesize

    728KB

  • memory/2772-56-0x0000000002400000-0x00000000024B6000-memory.dmp

    Filesize

    728KB

  • memory/2772-55-0x0000000002400000-0x00000000024B6000-memory.dmp

    Filesize

    728KB

  • memory/2772-54-0x0000000002400000-0x00000000024B6000-memory.dmp

    Filesize

    728KB

  • memory/2772-53-0x0000000002400000-0x00000000024B6000-memory.dmp

    Filesize

    728KB

  • memory/2772-52-0x0000000002400000-0x00000000024B6000-memory.dmp

    Filesize

    728KB

  • memory/2772-51-0x0000000002400000-0x00000000024B6000-memory.dmp

    Filesize

    728KB

  • memory/2772-50-0x0000000002400000-0x00000000024B6000-memory.dmp

    Filesize

    728KB

  • memory/2772-49-0x0000000002400000-0x00000000024B6000-memory.dmp

    Filesize

    728KB

  • memory/2772-48-0x0000000002400000-0x00000000024B6000-memory.dmp

    Filesize

    728KB

  • memory/2772-47-0x0000000002400000-0x00000000024B6000-memory.dmp

    Filesize

    728KB

  • memory/2772-46-0x0000000002400000-0x00000000024B6000-memory.dmp

    Filesize

    728KB

  • memory/2772-45-0x0000000002400000-0x00000000024B6000-memory.dmp

    Filesize

    728KB

  • memory/2772-44-0x0000000002400000-0x00000000024B6000-memory.dmp

    Filesize

    728KB

  • memory/2772-43-0x0000000002400000-0x00000000024B6000-memory.dmp

    Filesize

    728KB

  • memory/2772-42-0x0000000002400000-0x00000000024B6000-memory.dmp

    Filesize

    728KB

  • memory/2772-78-0x0000000002400000-0x00000000024B6000-memory.dmp

    Filesize

    728KB

  • memory/2772-41-0x0000000002400000-0x00000000024B6000-memory.dmp

    Filesize

    728KB

  • memory/2772-40-0x0000000002400000-0x00000000024B6000-memory.dmp

    Filesize

    728KB

  • memory/2772-65-0x0000000002400000-0x00000000024B6000-memory.dmp

    Filesize

    728KB

  • memory/2772-37-0x0000000002400000-0x00000000024B6000-memory.dmp

    Filesize

    728KB

  • memory/2772-36-0x0000000002400000-0x00000000024B6000-memory.dmp

    Filesize

    728KB

  • memory/2772-35-0x0000000002400000-0x00000000024B6000-memory.dmp

    Filesize

    728KB

  • memory/2772-34-0x0000000002400000-0x00000000024B6000-memory.dmp

    Filesize

    728KB

  • memory/2772-33-0x0000000002400000-0x00000000024B6000-memory.dmp

    Filesize

    728KB

  • memory/2772-32-0x0000000002400000-0x00000000024B6000-memory.dmp

    Filesize

    728KB