Analysis

  • max time kernel
    109s
  • max time network
    116s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-11-2024 22:39

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
  • 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e4e65b001d63e7be86035e0e88b4edda0d410805250b1fa72978c923f871c2fa.exe
    "C:\Users\Admin\AppData\Local\Temp\e4e65b001d63e7be86035e0e88b4edda0d410805250b1fa72978c923f871c2fa.exe"
    1⤵
    • Modifies WinLogon
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:1668
    • 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:3860

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\909A.tmp

    Filesize

    1KB

    MD5

    1c0030116b5ba0e6456c706b0cf09a8d

    SHA1

    cd2ce4196102fecb4f3d41367155194b4127a8b2

    SHA256

    e6446779f90e4d5a611dd34ddf5d0db99e7b2b6465dd783b89d072aad3c998b5

    SHA512

    05690b77100a1124218bac45b8b5d15b2752bf7efb76277ad6ef81fbf6d3c1276c77cf5b7b01713f9bb8a616099cd41e401153ddd1a7847ccf8bbe7d8552fc9f

  • C:\Users\Admin\AppData\Local\Temp\90AB.tmp

    Filesize

    61KB

    MD5

    53e13253ac56b70585a2eaf2d4272249

    SHA1

    1ee1e49e2465dd9c75994b8ef29b31fa1e0b5aec

    SHA256

    f9a5b3bb16d941ba3ee88f663d14ee53ed0cccd2bbaafb4a807ccb11cccab91f

    SHA512

    73e138b4fe284c0c517fc8afeaaf95b29fc9ef62cf4f598ff8c27a0dc915ddd804c152a020658f9d1442da219be476477d1e4d2e7ba88cf3fe7f41d3174ac5ef

  • C:\Users\Admin\AppData\Local\Temp\910C.tmp

    Filesize

    42KB

    MD5

    ec2b5a855fe2f8982b4aae17cee9f1a3

    SHA1

    99fef414b17198eba0d70ad62b97a68821d5dd7e

    SHA256

    d6ca047e5568b228d6da7674d63671d33d1bfdf8f7903b31caffe89802db9a32

    SHA512

    2ed294e3abbaf6e5c4c52b32a74b39a5c9e004da05d4bffb21a2bb13ef9fd2b4086d9191fa8e4ca7dd67bbd2534e2686b20473b3eaf0a6212211b02ca02421e9

  • C:\Users\Admin\AppData\Local\Temp\9C32.tmp

    Filesize

    593B

    MD5

    926512864979bc27cf187f1de3f57aff

    SHA1

    acdeb9d6187932613c7fa08eaf28f0cd8116f4b5

    SHA256

    b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f

    SHA512

    f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b

  • C:\Windows\apppatch\svchost.exe

    Filesize

    686KB

    MD5

    1479e905954ddcddfa44584c1f4fe18b

    SHA1

    4dc3589b9f36c83d9e1acbde41ef32182d2a5684

    SHA256

    f432ff1865b60fc931edc17a5fcb4afa27d7de29ee3cc8033781a713ecf928b6

    SHA512

    eeabe57d27e97daf1ffa3aef038952c039e429864bd44503cd4e5b1b77a2c0818dbea955f0a4b3b3c1d89533168aafa0e186ea9c8d1ebeb4a84d2bdef1ef29b1

  • memory/3860-10-0x0000000002A00000-0x0000000002AA8000-memory.dmp

    Filesize

    672KB

  • memory/3860-11-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-15-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-13-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-36-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-45-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-73-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-72-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-71-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-70-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-69-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-68-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-67-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-66-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-65-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-63-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-62-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-61-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-60-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-59-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-58-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-57-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-56-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-55-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-54-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-53-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-52-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-51-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-50-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-49-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-48-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-46-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-44-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-43-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-42-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-40-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-41-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-39-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-38-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-37-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-35-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-34-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-33-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-31-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-30-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-29-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-28-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-27-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-26-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-25-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-24-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-22-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-20-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-18-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-19-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-17-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-64-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-47-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-32-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-23-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-21-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-16-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/3860-309-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB