Analysis

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

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    20-11-2024 23:57

General

  • Target

    68e7675785b775a8353108be7d4e673b57c01946cb20bdd53990855632686146.exe

  • Size

    218KB

  • MD5

    f98d7f2dee538cd41a91c6f2909c1aa5

  • SHA1

    9962328339b1576de6b48e509d8280a6ad78856a

  • SHA256

    68e7675785b775a8353108be7d4e673b57c01946cb20bdd53990855632686146

  • SHA512

    930c252bad77920d55b75ad1cb0be44b108d543177fd2ca4f778c252c6e71718fa4eb2eeccb999d2dba141d7172cbc00698b9b3dbd92163b823bc6e2586111a4

  • SSDEEP

    3072:kvm4SZsQrNzPrl6rjGMjp39d4u8iqddCxMIJOb2o5DsBPjim6hwM2H6:y1SyAJp6rjn1gOObn4b6h9h

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\68e7675785b775a8353108be7d4e673b57c01946cb20bdd53990855632686146.exe
    "C:\Users\Admin\AppData\Local\Temp\68e7675785b775a8353108be7d4e673b57c01946cb20bdd53990855632686146.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:2976
    • 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:2916

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\C95D.tmp

    Filesize

    1KB

    MD5

    2521d939d3027f347c96cc396cd45fc8

    SHA1

    0f2c35c8146ea6da8ad67c373b0ba4fc7d8d6ac5

    SHA256

    11f1a9de7bc67a1c34c316daac0820c7fa47456db66aaa4ca9a102dd575393d1

    SHA512

    c5aae2fd909b725bc60e1a16cc51d37cb41ea138c4b5d3a8bf1245e746877868c031841a447d2e40afdab417ce9ab05a2a42f556e0b1fd563fc5433911b1bf27

  • C:\Users\Admin\AppData\Local\Temp\DD7E.tmp

    Filesize

    593B

    MD5

    926512864979bc27cf187f1de3f57aff

    SHA1

    acdeb9d6187932613c7fa08eaf28f0cd8116f4b5

    SHA256

    b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f

    SHA512

    f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b

  • \Windows\AppPatch\svchost.exe

    Filesize

    218KB

    MD5

    6e8ad703785d9b0675911d102933abd8

    SHA1

    709a1cc1e9e44cdc9bf3b860c5886df2a4ac079d

    SHA256

    8cf80940dc871ad2db3b09090b6cf6b5a42e0873a23de2e499ba1399728514d9

    SHA512

    dc4d344ef5405886db367979708285f7e3d7a8d29c97c87918a7a16b23dcdf440bb5307e39be03811c0d92a88993ad8aa61c1ca9efb27b2ce55a215528ed40d2

  • memory/2916-68-0x0000000002540000-0x00000000025F6000-memory.dmp

    Filesize

    728KB

  • memory/2916-34-0x0000000002540000-0x00000000025F6000-memory.dmp

    Filesize

    728KB

  • memory/2916-67-0x0000000002540000-0x00000000025F6000-memory.dmp

    Filesize

    728KB

  • memory/2916-18-0x0000000000400000-0x00000000005AE000-memory.dmp

    Filesize

    1.7MB

  • memory/2916-28-0x00000000005B0000-0x0000000000658000-memory.dmp

    Filesize

    672KB

  • memory/2916-31-0x0000000000400000-0x00000000005AE000-memory.dmp

    Filesize

    1.7MB

  • memory/2916-26-0x00000000005B0000-0x0000000000658000-memory.dmp

    Filesize

    672KB

  • memory/2916-24-0x00000000005B0000-0x0000000000658000-memory.dmp

    Filesize

    672KB

  • memory/2916-22-0x00000000005B0000-0x0000000000658000-memory.dmp

    Filesize

    672KB

  • memory/2916-32-0x0000000002540000-0x00000000025F6000-memory.dmp

    Filesize

    728KB

  • memory/2916-65-0x0000000002540000-0x00000000025F6000-memory.dmp

    Filesize

    728KB

  • memory/2916-36-0x0000000002540000-0x00000000025F6000-memory.dmp

    Filesize

    728KB

  • memory/2916-39-0x0000000002540000-0x00000000025F6000-memory.dmp

    Filesize

    728KB

  • memory/2916-51-0x0000000002540000-0x00000000025F6000-memory.dmp

    Filesize

    728KB

  • memory/2916-83-0x0000000002540000-0x00000000025F6000-memory.dmp

    Filesize

    728KB

  • memory/2916-82-0x0000000002540000-0x00000000025F6000-memory.dmp

    Filesize

    728KB

  • memory/2916-81-0x0000000002540000-0x00000000025F6000-memory.dmp

    Filesize

    728KB

  • memory/2916-80-0x0000000002540000-0x00000000025F6000-memory.dmp

    Filesize

    728KB

  • memory/2916-79-0x0000000002540000-0x00000000025F6000-memory.dmp

    Filesize

    728KB

  • memory/2916-78-0x0000000002540000-0x00000000025F6000-memory.dmp

    Filesize

    728KB

  • memory/2916-77-0x0000000002540000-0x00000000025F6000-memory.dmp

    Filesize

    728KB

  • memory/2916-76-0x0000000002540000-0x00000000025F6000-memory.dmp

    Filesize

    728KB

  • memory/2916-75-0x0000000002540000-0x00000000025F6000-memory.dmp

    Filesize

    728KB

  • memory/2916-74-0x0000000002540000-0x00000000025F6000-memory.dmp

    Filesize

    728KB

  • memory/2916-73-0x0000000002540000-0x00000000025F6000-memory.dmp

    Filesize

    728KB

  • memory/2916-72-0x0000000002540000-0x00000000025F6000-memory.dmp

    Filesize

    728KB

  • memory/2916-71-0x0000000002540000-0x00000000025F6000-memory.dmp

    Filesize

    728KB

  • memory/2916-70-0x0000000002540000-0x00000000025F6000-memory.dmp

    Filesize

    728KB

  • memory/2916-69-0x0000000002540000-0x00000000025F6000-memory.dmp

    Filesize

    728KB

  • memory/2916-20-0x00000000005B0000-0x0000000000658000-memory.dmp

    Filesize

    672KB

  • memory/2916-66-0x0000000002540000-0x00000000025F6000-memory.dmp

    Filesize

    728KB

  • memory/2916-19-0x0000000000400000-0x00000000005AE000-memory.dmp

    Filesize

    1.7MB

  • memory/2916-30-0x00000000005B0000-0x0000000000658000-memory.dmp

    Filesize

    672KB

  • memory/2916-63-0x0000000002540000-0x00000000025F6000-memory.dmp

    Filesize

    728KB

  • memory/2916-62-0x0000000002540000-0x00000000025F6000-memory.dmp

    Filesize

    728KB

  • memory/2916-61-0x0000000002540000-0x00000000025F6000-memory.dmp

    Filesize

    728KB

  • memory/2916-60-0x0000000002540000-0x00000000025F6000-memory.dmp

    Filesize

    728KB

  • memory/2916-59-0x0000000002540000-0x00000000025F6000-memory.dmp

    Filesize

    728KB

  • memory/2916-58-0x0000000002540000-0x00000000025F6000-memory.dmp

    Filesize

    728KB

  • memory/2916-57-0x0000000002540000-0x00000000025F6000-memory.dmp

    Filesize

    728KB

  • memory/2916-56-0x0000000002540000-0x00000000025F6000-memory.dmp

    Filesize

    728KB

  • memory/2916-55-0x0000000002540000-0x00000000025F6000-memory.dmp

    Filesize

    728KB

  • memory/2916-54-0x0000000002540000-0x00000000025F6000-memory.dmp

    Filesize

    728KB

  • memory/2916-53-0x0000000002540000-0x00000000025F6000-memory.dmp

    Filesize

    728KB

  • memory/2916-52-0x0000000002540000-0x00000000025F6000-memory.dmp

    Filesize

    728KB

  • memory/2916-50-0x0000000002540000-0x00000000025F6000-memory.dmp

    Filesize

    728KB

  • memory/2916-49-0x0000000002540000-0x00000000025F6000-memory.dmp

    Filesize

    728KB

  • memory/2916-48-0x0000000002540000-0x00000000025F6000-memory.dmp

    Filesize

    728KB

  • memory/2916-47-0x0000000002540000-0x00000000025F6000-memory.dmp

    Filesize

    728KB

  • memory/2916-46-0x0000000002540000-0x00000000025F6000-memory.dmp

    Filesize

    728KB

  • memory/2916-45-0x0000000002540000-0x00000000025F6000-memory.dmp

    Filesize

    728KB

  • memory/2916-44-0x0000000002540000-0x00000000025F6000-memory.dmp

    Filesize

    728KB

  • memory/2916-84-0x0000000002540000-0x00000000025F6000-memory.dmp

    Filesize

    728KB

  • memory/2916-43-0x0000000002540000-0x00000000025F6000-memory.dmp

    Filesize

    728KB

  • memory/2916-42-0x0000000002540000-0x00000000025F6000-memory.dmp

    Filesize

    728KB

  • memory/2916-64-0x0000000002540000-0x00000000025F6000-memory.dmp

    Filesize

    728KB

  • memory/2916-41-0x0000000002540000-0x00000000025F6000-memory.dmp

    Filesize

    728KB

  • memory/2916-40-0x0000000002540000-0x00000000025F6000-memory.dmp

    Filesize

    728KB

  • memory/2916-38-0x0000000002540000-0x00000000025F6000-memory.dmp

    Filesize

    728KB

  • memory/2976-16-0x0000000000320000-0x0000000000371000-memory.dmp

    Filesize

    324KB

  • memory/2976-1-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2976-0-0x0000000000320000-0x0000000000371000-memory.dmp

    Filesize

    324KB

  • memory/2976-17-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2976-15-0x0000000000400000-0x00000000005AE000-memory.dmp

    Filesize

    1.7MB