Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    30-10-2024 14:51

General

  • Target

    fe469915a1969d5644959037c8c062cb966e5788f2f93d295567a7ac2d24cebeN.exe

  • Size

    218KB

  • MD5

    6930e2011b3f745fed11e35cf1dde700

  • SHA1

    a240dc9b32e6c3ca0623883cad1ddee99febaaef

  • SHA256

    fe469915a1969d5644959037c8c062cb966e5788f2f93d295567a7ac2d24cebe

  • SHA512

    7074c7789c7f1bfa6b0835b65ba9a8de0039764196baa689fa70dce37092d6459d9db8b70ebd42151cc00b89f21bc8de1cd49b7f6ad7135932c6f124b67b50ae

  • SSDEEP

    3072:Xvm4SZsQrNzPrl6rjGMjp39d4u8iqddCxMIJOb2o5DsBPjim6hwM2H6:f1SyAJp6rjn1gOObn4b6h9h

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\fe469915a1969d5644959037c8c062cb966e5788f2f93d295567a7ac2d24cebeN.exe
    "C:\Users\Admin\AppData\Local\Temp\fe469915a1969d5644959037c8c062cb966e5788f2f93d295567a7ac2d24cebeN.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:1076
    • 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:2396

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\624F.tmp

    Filesize

    481B

    MD5

    27062d8f8541dbcf24346e8fcd3ff2ec

    SHA1

    bd1f48e2f67decc5e9d614b82dbaa9c340a7cfa7

    SHA256

    3b8a477a78343bdfb8e305be278ca47fbed7d11e6438038962b00c2b34821f4e

    SHA512

    05098ea061be8d22bfd5b709b70526e8f560f80277bc2a59a50cf0c7d26c17ed309a2f635cfe942d99c406f5bc970fb4d1af25f04da62b0b10880aced61867bb

  • C:\Users\Admin\AppData\Local\Temp\99EA.tmp

    Filesize

    481B

    MD5

    f925b93c48edf1c1283d7860ce437c6b

    SHA1

    a433531d45add83dc717c9aa2c74219536f058e9

    SHA256

    6d6df7a5746842ee84b8fe0f93354825335c234f3d32a3481bf082d82e038a5a

    SHA512

    d460ba5ad43216c3e7d173a79b24e42d024ec306b2a4b14bc4f93a51d39bf7d7e15f0de22467e8624f7ccd1003b348ac444e8cdd89b8ed2bea297b0bc6959c9e

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

    Filesize

    1KB

    MD5

    13c814aa2d86af62faba85fc05fdb8b4

    SHA1

    2cab9fe872588a252ceae430020d315dbb80a809

    SHA256

    7cf19862a721dc4488a205b71e3f13cfafbb867b52e5e8bd90f9fae314d897c0

    SHA512

    0e0ddf41f424f94c2e9ab2be45c78404b21807f8e26219af35a30ead924f7ff6ca8314d4cf61af27d49e869c3cfcabb13cfe76a2b3d60322e66fc0d947c2eebe

  • C:\Users\Admin\AppData\Local\Temp\F976.tmp

    Filesize

    593B

    MD5

    926512864979bc27cf187f1de3f57aff

    SHA1

    acdeb9d6187932613c7fa08eaf28f0cd8116f4b5

    SHA256

    b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f

    SHA512

    f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b

  • C:\Windows\AppPatch\svchost.exe

    Filesize

    218KB

    MD5

    84a3e593f2c7af64df383b8275f4252d

    SHA1

    21624e45d9e7c5b7f8f7c90d86cf5347f0ab4650

    SHA256

    21a74399da1e4e9a60b03d3bcf674f277fec90dee586fdc1d60eda13eeae9d01

    SHA512

    29ee08e5ef98d427d0f17a8d09637ac80cfd4cd07ca5be8a905f0d07066281ee37e54e143f883e1b45cc71d15143b5bd0dbfda998809cbccb6e047e88a379bfa

  • memory/1076-0-0x0000000001FA0000-0x0000000001FF1000-memory.dmp

    Filesize

    324KB

  • memory/1076-1-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/1076-17-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/1076-16-0x0000000001FA0000-0x0000000001FF1000-memory.dmp

    Filesize

    324KB

  • memory/1076-15-0x0000000000400000-0x00000000005AE000-memory.dmp

    Filesize

    1.7MB

  • memory/2396-71-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2396-66-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2396-26-0x0000000002230000-0x00000000022D8000-memory.dmp

    Filesize

    672KB

  • memory/2396-24-0x0000000002230000-0x00000000022D8000-memory.dmp

    Filesize

    672KB

  • memory/2396-20-0x0000000002230000-0x00000000022D8000-memory.dmp

    Filesize

    672KB

  • memory/2396-32-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2396-36-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2396-34-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2396-39-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2396-44-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2396-65-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2396-84-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2396-83-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2396-82-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2396-81-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2396-80-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2396-79-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2396-78-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2396-77-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2396-76-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2396-75-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2396-74-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2396-73-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2396-28-0x0000000002230000-0x00000000022D8000-memory.dmp

    Filesize

    672KB

  • memory/2396-70-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2396-30-0x0000000002230000-0x00000000022D8000-memory.dmp

    Filesize

    672KB

  • memory/2396-69-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2396-68-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2396-67-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2396-31-0x0000000000400000-0x00000000005AE000-memory.dmp

    Filesize

    1.7MB

  • memory/2396-64-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2396-63-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2396-62-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2396-61-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2396-60-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2396-59-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2396-58-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2396-57-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2396-56-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2396-55-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2396-54-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2396-53-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2396-52-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2396-51-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2396-50-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2396-49-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2396-48-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2396-46-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2396-72-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2396-45-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2396-43-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2396-42-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2396-41-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2396-40-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2396-38-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2396-47-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2396-22-0x0000000002230000-0x00000000022D8000-memory.dmp

    Filesize

    672KB

  • memory/2396-19-0x0000000000400000-0x00000000005AE000-memory.dmp

    Filesize

    1.7MB

  • memory/2396-18-0x0000000000400000-0x00000000005AE000-memory.dmp

    Filesize

    1.7MB