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Analysis

  • max time kernel
    146s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    23/01/2025, 11:55

General

  • Target

    f694c3d8271ef389f6a3db5bba04859a2bc2a6f4d4d9ac616133b2d1d4a277d0.exe

  • Size

    208KB

  • MD5

    08cfbd657d78b015b851df445f15425a

  • SHA1

    2d85ed3a3c851b61c2b8f0fad7eeaf002f410aa8

  • SHA256

    f694c3d8271ef389f6a3db5bba04859a2bc2a6f4d4d9ac616133b2d1d4a277d0

  • SHA512

    aa3b65e8be5829ecacc18eea5db74af30abfc87e02b029170835bb367078c1ec24458d6d14183ed9d03c532cabc38462c14f8ff06e0801d2a415c2a942e2deb6

  • SSDEEP

    6144:mJRDxRqdSqQts6iRZsTZuDbhivDVDN8zqF3F:mcjQKUZigDVJ5T

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\f694c3d8271ef389f6a3db5bba04859a2bc2a6f4d4d9ac616133b2d1d4a277d0.exe
    "C:\Users\Admin\AppData\Local\Temp\f694c3d8271ef389f6a3db5bba04859a2bc2a6f4d4d9ac616133b2d1d4a277d0.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:2268
    • 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:2912

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\9954.tmp

    Filesize

    42KB

    MD5

    007b46003e2bbd579ec6a6b117e1c737

    SHA1

    2205003af02ab1b06c3268c4aacbd5d888cbe67e

    SHA256

    0f93fd20bb9827e63c56723325576a2055e7809c072e2f599773a04b8c435d34

    SHA512

    52ba55c0362384a65ca881081b87b70c0c8472758bcd004eff238147c74d85870d726fff33d1c466182c644315b4b1fdf2e3338e534007458129d9efe7c45f59

  • C:\Users\Admin\AppData\Local\Temp\99E3.tmp

    Filesize

    24KB

    MD5

    0db09d67c9b234ad56846da147871716

    SHA1

    e6162bc3632d08cfa292c57f00d282b69024d789

    SHA256

    d517f4a68224317f4c82ae48415f7e5428f36c0fe2acf1d5830fdbe3bfe0834b

    SHA512

    5e57a4095d10dec29cb3bf9a8e500de9ee8c6530af82e5fbaa6dad310d76928d8448a413dbdfa624d58d4fe244f9ede5e3e4b345db6c268dfa6a3dea47e8984d

  • C:\Windows\AppPatch\svchost.exe

    Filesize

    208KB

    MD5

    c78126526d170c506ca394b61a62714d

    SHA1

    aa07410abdae7f8ce289ec1e7e6cf8bf3bcebe31

    SHA256

    3358e16ac51a99b65f73b352e86418e9fcff6afd6a7e9dac95a49c6c207f9e48

    SHA512

    ca9bdc95d610000278c59618124a54af47b5e2e1b0b389aa65850aef881074374a3037e9ef4786c5262035f7bbd3227f19e88576e8be0bf50fbfa281ad08efff

  • memory/2268-0-0x0000000000400000-0x00000000004F1000-memory.dmp

    Filesize

    964KB

  • memory/2268-1-0x0000000001C80000-0x0000000001CD1000-memory.dmp

    Filesize

    324KB

  • memory/2268-2-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2268-18-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2268-17-0x0000000001C80000-0x0000000001CD1000-memory.dmp

    Filesize

    324KB

  • memory/2268-16-0x0000000000400000-0x00000000004F1000-memory.dmp

    Filesize

    964KB

  • memory/2912-74-0x00000000025C0000-0x0000000002676000-memory.dmp

    Filesize

    728KB

  • memory/2912-66-0x00000000025C0000-0x0000000002676000-memory.dmp

    Filesize

    728KB

  • memory/2912-32-0x0000000002410000-0x00000000024B8000-memory.dmp

    Filesize

    672KB

  • memory/2912-30-0x0000000002410000-0x00000000024B8000-memory.dmp

    Filesize

    672KB

  • memory/2912-33-0x0000000000400000-0x00000000004F1000-memory.dmp

    Filesize

    964KB

  • memory/2912-28-0x0000000002410000-0x00000000024B8000-memory.dmp

    Filesize

    672KB

  • memory/2912-26-0x0000000002410000-0x00000000024B8000-memory.dmp

    Filesize

    672KB

  • memory/2912-24-0x0000000002410000-0x00000000024B8000-memory.dmp

    Filesize

    672KB

  • memory/2912-22-0x0000000002410000-0x00000000024B8000-memory.dmp

    Filesize

    672KB

  • memory/2912-34-0x00000000025C0000-0x0000000002676000-memory.dmp

    Filesize

    728KB

  • memory/2912-36-0x00000000025C0000-0x0000000002676000-memory.dmp

    Filesize

    728KB

  • memory/2912-38-0x00000000025C0000-0x0000000002676000-memory.dmp

    Filesize

    728KB

  • memory/2912-67-0x00000000025C0000-0x0000000002676000-memory.dmp

    Filesize

    728KB

  • memory/2912-71-0x00000000025C0000-0x0000000002676000-memory.dmp

    Filesize

    728KB

  • memory/2912-84-0x00000000025C0000-0x0000000002676000-memory.dmp

    Filesize

    728KB

  • memory/2912-82-0x00000000025C0000-0x0000000002676000-memory.dmp

    Filesize

    728KB

  • memory/2912-81-0x00000000025C0000-0x0000000002676000-memory.dmp

    Filesize

    728KB

  • memory/2912-80-0x00000000025C0000-0x0000000002676000-memory.dmp

    Filesize

    728KB

  • memory/2912-79-0x00000000025C0000-0x0000000002676000-memory.dmp

    Filesize

    728KB

  • memory/2912-78-0x00000000025C0000-0x0000000002676000-memory.dmp

    Filesize

    728KB

  • memory/2912-77-0x00000000025C0000-0x0000000002676000-memory.dmp

    Filesize

    728KB

  • memory/2912-76-0x00000000025C0000-0x0000000002676000-memory.dmp

    Filesize

    728KB

  • memory/2912-75-0x00000000025C0000-0x0000000002676000-memory.dmp

    Filesize

    728KB

  • memory/2912-20-0x0000000000400000-0x00000000004F1000-memory.dmp

    Filesize

    964KB

  • memory/2912-73-0x00000000025C0000-0x0000000002676000-memory.dmp

    Filesize

    728KB

  • memory/2912-72-0x00000000025C0000-0x0000000002676000-memory.dmp

    Filesize

    728KB

  • memory/2912-70-0x00000000025C0000-0x0000000002676000-memory.dmp

    Filesize

    728KB

  • memory/2912-69-0x00000000025C0000-0x0000000002676000-memory.dmp

    Filesize

    728KB

  • memory/2912-68-0x00000000025C0000-0x0000000002676000-memory.dmp

    Filesize

    728KB

  • memory/2912-21-0x0000000000400000-0x00000000004F1000-memory.dmp

    Filesize

    964KB

  • memory/2912-65-0x00000000025C0000-0x0000000002676000-memory.dmp

    Filesize

    728KB

  • memory/2912-64-0x00000000025C0000-0x0000000002676000-memory.dmp

    Filesize

    728KB

  • memory/2912-63-0x00000000025C0000-0x0000000002676000-memory.dmp

    Filesize

    728KB

  • memory/2912-62-0x00000000025C0000-0x0000000002676000-memory.dmp

    Filesize

    728KB

  • memory/2912-61-0x00000000025C0000-0x0000000002676000-memory.dmp

    Filesize

    728KB

  • memory/2912-60-0x00000000025C0000-0x0000000002676000-memory.dmp

    Filesize

    728KB

  • memory/2912-59-0x00000000025C0000-0x0000000002676000-memory.dmp

    Filesize

    728KB

  • memory/2912-58-0x00000000025C0000-0x0000000002676000-memory.dmp

    Filesize

    728KB

  • memory/2912-57-0x00000000025C0000-0x0000000002676000-memory.dmp

    Filesize

    728KB

  • memory/2912-56-0x00000000025C0000-0x0000000002676000-memory.dmp

    Filesize

    728KB

  • memory/2912-55-0x00000000025C0000-0x0000000002676000-memory.dmp

    Filesize

    728KB

  • memory/2912-53-0x00000000025C0000-0x0000000002676000-memory.dmp

    Filesize

    728KB

  • memory/2912-52-0x00000000025C0000-0x0000000002676000-memory.dmp

    Filesize

    728KB

  • memory/2912-51-0x00000000025C0000-0x0000000002676000-memory.dmp

    Filesize

    728KB

  • memory/2912-50-0x00000000025C0000-0x0000000002676000-memory.dmp

    Filesize

    728KB

  • memory/2912-49-0x00000000025C0000-0x0000000002676000-memory.dmp

    Filesize

    728KB

  • memory/2912-48-0x00000000025C0000-0x0000000002676000-memory.dmp

    Filesize

    728KB

  • memory/2912-47-0x00000000025C0000-0x0000000002676000-memory.dmp

    Filesize

    728KB

  • memory/2912-46-0x00000000025C0000-0x0000000002676000-memory.dmp

    Filesize

    728KB

  • memory/2912-45-0x00000000025C0000-0x0000000002676000-memory.dmp

    Filesize

    728KB

  • memory/2912-44-0x00000000025C0000-0x0000000002676000-memory.dmp

    Filesize

    728KB

  • memory/2912-43-0x00000000025C0000-0x0000000002676000-memory.dmp

    Filesize

    728KB

  • memory/2912-42-0x00000000025C0000-0x0000000002676000-memory.dmp

    Filesize

    728KB

  • memory/2912-41-0x00000000025C0000-0x0000000002676000-memory.dmp

    Filesize

    728KB

  • memory/2912-83-0x00000000025C0000-0x0000000002676000-memory.dmp

    Filesize

    728KB

  • memory/2912-54-0x00000000025C0000-0x0000000002676000-memory.dmp

    Filesize

    728KB

  • memory/2912-19-0x0000000000400000-0x00000000004F1000-memory.dmp

    Filesize

    964KB

  • memory/2912-40-0x00000000025C0000-0x0000000002676000-memory.dmp

    Filesize

    728KB