Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22-11-2024 22:48

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:2400
    • 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:2380

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\191F.tmp

    Filesize

    593B

    MD5

    926512864979bc27cf187f1de3f57aff

    SHA1

    acdeb9d6187932613c7fa08eaf28f0cd8116f4b5

    SHA256

    b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f

    SHA512

    f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b

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

    Filesize

    42KB

    MD5

    37e38e8d8f20477d32aa2a320012705b

    SHA1

    7e89daa72625dc5605d5fe9f80ecb704b39ecb42

    SHA256

    1cd34f4c6c4f0c8b92d2e2412aeca4c48f00647d3abdb27af0822723e712300e

    SHA512

    412284d180f990b799262a12fa83716fd5bb38d385dfaac38976d4f0b6b7997283e9a56e89609e5beaf07dabf9bacf6c3e5126bcf45d33ac4ee5d607a0260a21

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

    Filesize

    42KB

    MD5

    ffe935642b2607a076e853ec5ba9bc9d

    SHA1

    55830f83df007db4e8294e0e4ab2151f44f3433a

    SHA256

    9ab2b79b8a7881c9eb62411fc50eb6040e98b9ddb6cfe7755cd59cf0861da82c

    SHA512

    db90cf9d91ebecafe9ec1ca4f95f604c9c12a260966a663aa3ed4e2caa89bdce02243739231c01099d35c69c740ca448d9a40d45752bdbf3f5d4982f1906cbe3

  • C:\Users\Admin\AppData\Local\Temp\EE2D.tmp

    Filesize

    1KB

    MD5

    9dfa2050443fb2b55210be18210302fd

    SHA1

    70a05a844b7b5da7edaa0f46bb883a4b3a3a2fda

    SHA256

    142a067c064c6f30828e72a165e2f208fcc5aea4eeaecbb087d7b63995a18976

    SHA512

    e060b353cbc0f6035d7821fe0650cd9ba6055513893c0ee202dd93ba592de626e3f0725983d743275593bd17ffbed4242ba8e050522e68997363339bf49e44f3

  • C:\Windows\AppPatch\svchost.exe

    Filesize

    686KB

    MD5

    33c1f7b1ab352a84feafe628de574391

    SHA1

    a443837ec3330c2610a1da1ba0a45d5bd60d533c

    SHA256

    cd7d7a4499977b03a43fe09270a086ac0cd3330a41af948102dd774c7795f107

    SHA512

    0887d8552ae8fd4dd8dd73aadd35cdd4ac0c6ac7787ea61a5b52313ee839358c961b285405c7bb5b5e7bc84b47313ab259c6c0722bb2d4fed7041a978006898c

  • memory/2380-62-0x00000000020C0000-0x0000000002176000-memory.dmp

    Filesize

    728KB

  • memory/2380-18-0x0000000001ED0000-0x0000000001F78000-memory.dmp

    Filesize

    672KB

  • memory/2380-57-0x00000000020C0000-0x0000000002176000-memory.dmp

    Filesize

    728KB

  • memory/2380-20-0x0000000001ED0000-0x0000000001F78000-memory.dmp

    Filesize

    672KB

  • memory/2380-55-0x00000000020C0000-0x0000000002176000-memory.dmp

    Filesize

    728KB

  • memory/2380-17-0x0000000001ED0000-0x0000000001F78000-memory.dmp

    Filesize

    672KB

  • memory/2380-25-0x00000000020C0000-0x0000000002176000-memory.dmp

    Filesize

    728KB

  • memory/2380-27-0x00000000020C0000-0x0000000002176000-memory.dmp

    Filesize

    728KB

  • memory/2380-29-0x00000000020C0000-0x0000000002176000-memory.dmp

    Filesize

    728KB

  • memory/2380-45-0x00000000020C0000-0x0000000002176000-memory.dmp

    Filesize

    728KB

  • memory/2380-37-0x00000000020C0000-0x0000000002176000-memory.dmp

    Filesize

    728KB

  • memory/2380-51-0x00000000020C0000-0x0000000002176000-memory.dmp

    Filesize

    728KB

  • memory/2380-77-0x00000000020C0000-0x0000000002176000-memory.dmp

    Filesize

    728KB

  • memory/2380-75-0x00000000020C0000-0x0000000002176000-memory.dmp

    Filesize

    728KB

  • memory/2380-74-0x00000000020C0000-0x0000000002176000-memory.dmp

    Filesize

    728KB

  • memory/2380-73-0x00000000020C0000-0x0000000002176000-memory.dmp

    Filesize

    728KB

  • memory/2380-72-0x00000000020C0000-0x0000000002176000-memory.dmp

    Filesize

    728KB

  • memory/2380-71-0x00000000020C0000-0x0000000002176000-memory.dmp

    Filesize

    728KB

  • memory/2380-70-0x00000000020C0000-0x0000000002176000-memory.dmp

    Filesize

    728KB

  • memory/2380-69-0x00000000020C0000-0x0000000002176000-memory.dmp

    Filesize

    728KB

  • memory/2380-68-0x00000000020C0000-0x0000000002176000-memory.dmp

    Filesize

    728KB

  • memory/2380-67-0x00000000020C0000-0x0000000002176000-memory.dmp

    Filesize

    728KB

  • memory/2380-66-0x00000000020C0000-0x0000000002176000-memory.dmp

    Filesize

    728KB

  • memory/2380-65-0x00000000020C0000-0x0000000002176000-memory.dmp

    Filesize

    728KB

  • memory/2380-54-0x00000000020C0000-0x0000000002176000-memory.dmp

    Filesize

    728KB

  • memory/2380-14-0x0000000001ED0000-0x0000000001F78000-memory.dmp

    Filesize

    672KB

  • memory/2380-60-0x00000000020C0000-0x0000000002176000-memory.dmp

    Filesize

    728KB

  • memory/2380-59-0x00000000020C0000-0x0000000002176000-memory.dmp

    Filesize

    728KB

  • memory/2380-23-0x0000000001ED0000-0x0000000001F78000-memory.dmp

    Filesize

    672KB

  • memory/2380-24-0x0000000001ED0000-0x0000000001F78000-memory.dmp

    Filesize

    672KB

  • memory/2380-63-0x00000000020C0000-0x0000000002176000-memory.dmp

    Filesize

    728KB

  • memory/2380-52-0x00000000020C0000-0x0000000002176000-memory.dmp

    Filesize

    728KB

  • memory/2380-50-0x00000000020C0000-0x0000000002176000-memory.dmp

    Filesize

    728KB

  • memory/2380-49-0x00000000020C0000-0x0000000002176000-memory.dmp

    Filesize

    728KB

  • memory/2380-48-0x00000000020C0000-0x0000000002176000-memory.dmp

    Filesize

    728KB

  • memory/2380-47-0x00000000020C0000-0x0000000002176000-memory.dmp

    Filesize

    728KB

  • memory/2380-46-0x00000000020C0000-0x0000000002176000-memory.dmp

    Filesize

    728KB

  • memory/2380-44-0x00000000020C0000-0x0000000002176000-memory.dmp

    Filesize

    728KB

  • memory/2380-43-0x00000000020C0000-0x0000000002176000-memory.dmp

    Filesize

    728KB

  • memory/2380-42-0x00000000020C0000-0x0000000002176000-memory.dmp

    Filesize

    728KB

  • memory/2380-41-0x00000000020C0000-0x0000000002176000-memory.dmp

    Filesize

    728KB

  • memory/2380-40-0x00000000020C0000-0x0000000002176000-memory.dmp

    Filesize

    728KB

  • memory/2380-39-0x00000000020C0000-0x0000000002176000-memory.dmp

    Filesize

    728KB

  • memory/2380-38-0x00000000020C0000-0x0000000002176000-memory.dmp

    Filesize

    728KB

  • memory/2380-36-0x00000000020C0000-0x0000000002176000-memory.dmp

    Filesize

    728KB

  • memory/2380-76-0x00000000020C0000-0x0000000002176000-memory.dmp

    Filesize

    728KB

  • memory/2380-35-0x00000000020C0000-0x0000000002176000-memory.dmp

    Filesize

    728KB

  • memory/2380-34-0x00000000020C0000-0x0000000002176000-memory.dmp

    Filesize

    728KB

  • memory/2380-64-0x00000000020C0000-0x0000000002176000-memory.dmp

    Filesize

    728KB

  • memory/2380-33-0x00000000020C0000-0x0000000002176000-memory.dmp

    Filesize

    728KB

  • memory/2380-61-0x00000000020C0000-0x0000000002176000-memory.dmp

    Filesize

    728KB

  • memory/2380-58-0x00000000020C0000-0x0000000002176000-memory.dmp

    Filesize

    728KB

  • memory/2380-31-0x00000000020C0000-0x0000000002176000-memory.dmp

    Filesize

    728KB

  • memory/2380-56-0x00000000020C0000-0x0000000002176000-memory.dmp

    Filesize

    728KB

  • memory/2380-53-0x00000000020C0000-0x0000000002176000-memory.dmp

    Filesize

    728KB

  • memory/2380-32-0x00000000020C0000-0x0000000002176000-memory.dmp

    Filesize

    728KB

  • memory/2380-195-0x00000000020C0000-0x0000000002176000-memory.dmp

    Filesize

    728KB

  • memory/2400-13-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB