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Analysis

  • max time kernel
    135s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    18/12/2024, 02:42

General

  • Target

    870012d834ee7146d3221ec976e816dd76420f55151d32faea79107cb1ca7e2e.exe

  • Size

    355KB

  • MD5

    3f14f5f3463221269c23e37f50c8a2c4

  • SHA1

    0408dc4449926a31e7fcc7b8f6c3b516f3bb61b4

  • SHA256

    870012d834ee7146d3221ec976e816dd76420f55151d32faea79107cb1ca7e2e

  • SHA512

    5dd24520198b54ad8edb0a773117c1fb1619a2dd51e81572c37dbe53987200609fe9909ba80373710f4d12067e173488f07dc53fb4e4cdd7e5f5ef6bb7b8bd6b

  • SSDEEP

    6144:MgEmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9Ei3:OmWhND9yJz+b1FcMLmp2ATTSsd3

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\870012d834ee7146d3221ec976e816dd76420f55151d32faea79107cb1ca7e2e.exe
    "C:\Users\Admin\AppData\Local\Temp\870012d834ee7146d3221ec976e816dd76420f55151d32faea79107cb1ca7e2e.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:2272
    • 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:2944

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\7BCOPU31\login[2].htm

    Filesize

    162B

    MD5

    4f8e702cc244ec5d4de32740c0ecbd97

    SHA1

    3adb1f02d5b6054de0046e367c1d687b6cdf7aff

    SHA256

    9e17cb15dd75bbbd5dbb984eda674863c3b10ab72613cf8a39a00c3e11a8492a

    SHA512

    21047fea5269fee75a2a187aa09316519e35068cb2f2f76cfaf371e5224445e9d5c98497bd76fb9608d2b73e9dac1a3f5bfadfdc4623c479d53ecf93d81d3c9f

  • C:\Users\Admin\AppData\Local\Temp\38.tmp

    Filesize

    593B

    MD5

    926512864979bc27cf187f1de3f57aff

    SHA1

    acdeb9d6187932613c7fa08eaf28f0cd8116f4b5

    SHA256

    b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f

    SHA512

    f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b

  • C:\Users\Admin\AppData\Local\Temp\6FCF.tmp

    Filesize

    1KB

    MD5

    1f3e5bc9aafd17dea6d2aa2025eedc1c

    SHA1

    4e3138ade3d0e07da9b38221aaec60e0c4bfc0eb

    SHA256

    411070fca89c21ce828364f8720a6fcabf7c354670de98bf7098ed52b5a0384f

    SHA512

    7fad8372b4a4f968ac7597f36f09da08d5a36ceeb57d1014d6af3501f0d1ebcba93ef3b2412efb666c4a61e29df08deda1601bbeb14276b54b5322a0fabd9251

  • C:\Users\Admin\AppData\Local\Temp\7F26.tmp

    Filesize

    1KB

    MD5

    d93d1ff7afea65fd57cb09fca7f8a61a

    SHA1

    982b8c31855727fb8eea53bcd878a65688b83645

    SHA256

    e520c0cd0fdd56f1f4fbb53ea13b59e3a9593e0b0b9a07bc0ec477a56a557fe9

    SHA512

    d75a65a761650a70c5cdf7ec4530d128f9c6b5559611a0a4d98027ca3c9393e2e855d6a763e2f9eabacb0c716b82e16b0bfc44822b860264abca7751a362d264

  • C:\Users\Admin\AppData\Local\Temp\7FA6.tmp

    Filesize

    42KB

    MD5

    89773d82b5bc675f51aaad83b4d87316

    SHA1

    cbfa6c482f665eff2542d02895206ae8fc55d9ed

    SHA256

    06885581faec3ed4236124ce7574bae8d122b730309cf0a9c0e56b5fb57b4542

    SHA512

    4994ecfc7e6dbefa505051b695ca6d41cb0a9ddf5aec8ecb848cce788487d591891243cfb3267e169a6a0a28427e96f845e533c085579578f699414bdcc0cf81

  • \Windows\AppPatch\svchost.exe

    Filesize

    355KB

    MD5

    c3ef8d6f6a055f41d9bc8dacdf26fdf2

    SHA1

    a293cd0c58a5d1961869c1c3334346a2ac806ba5

    SHA256

    27ac86f60a346748d5c0c9f8bf00f5ec873124af6309453548a397681692dfb4

    SHA512

    5cc6fc6888289f4cc869de8d84a7e978b35098a8fe848f65e9fc626d7f51dfbe9f8758657c306e9f501d4e8d396b4d2a6d22ac095403d7fc3540079f654af858

  • memory/2272-13-0x0000000001010000-0x000000000106F000-memory.dmp

    Filesize

    380KB

  • memory/2944-60-0x0000000002250000-0x0000000002306000-memory.dmp

    Filesize

    728KB

  • memory/2944-55-0x0000000002250000-0x0000000002306000-memory.dmp

    Filesize

    728KB

  • memory/2944-18-0x00000000007E0000-0x0000000000888000-memory.dmp

    Filesize

    672KB

  • memory/2944-16-0x00000000007E0000-0x0000000000888000-memory.dmp

    Filesize

    672KB

  • memory/2944-20-0x00000000007E0000-0x0000000000888000-memory.dmp

    Filesize

    672KB

  • memory/2944-25-0x0000000002250000-0x0000000002306000-memory.dmp

    Filesize

    728KB

  • memory/2944-27-0x0000000002250000-0x0000000002306000-memory.dmp

    Filesize

    728KB

  • memory/2944-29-0x0000000002250000-0x0000000002306000-memory.dmp

    Filesize

    728KB

  • memory/2944-62-0x0000000002250000-0x0000000002306000-memory.dmp

    Filesize

    728KB

  • memory/2944-69-0x0000000002250000-0x0000000002306000-memory.dmp

    Filesize

    728KB

  • memory/2944-77-0x0000000002250000-0x0000000002306000-memory.dmp

    Filesize

    728KB

  • memory/2944-76-0x0000000002250000-0x0000000002306000-memory.dmp

    Filesize

    728KB

  • memory/2944-74-0x0000000002250000-0x0000000002306000-memory.dmp

    Filesize

    728KB

  • memory/2944-73-0x0000000002250000-0x0000000002306000-memory.dmp

    Filesize

    728KB

  • memory/2944-72-0x0000000002250000-0x0000000002306000-memory.dmp

    Filesize

    728KB

  • memory/2944-71-0x0000000002250000-0x0000000002306000-memory.dmp

    Filesize

    728KB

  • memory/2944-70-0x0000000002250000-0x0000000002306000-memory.dmp

    Filesize

    728KB

  • memory/2944-68-0x0000000002250000-0x0000000002306000-memory.dmp

    Filesize

    728KB

  • memory/2944-67-0x0000000002250000-0x0000000002306000-memory.dmp

    Filesize

    728KB

  • memory/2944-66-0x0000000002250000-0x0000000002306000-memory.dmp

    Filesize

    728KB

  • memory/2944-65-0x0000000002250000-0x0000000002306000-memory.dmp

    Filesize

    728KB

  • memory/2944-64-0x0000000002250000-0x0000000002306000-memory.dmp

    Filesize

    728KB

  • memory/2944-63-0x0000000002250000-0x0000000002306000-memory.dmp

    Filesize

    728KB

  • memory/2944-61-0x0000000002250000-0x0000000002306000-memory.dmp

    Filesize

    728KB

  • memory/2944-24-0x00000000007E0000-0x0000000000888000-memory.dmp

    Filesize

    672KB

  • memory/2944-59-0x0000000002250000-0x0000000002306000-memory.dmp

    Filesize

    728KB

  • memory/2944-58-0x0000000002250000-0x0000000002306000-memory.dmp

    Filesize

    728KB

  • memory/2944-57-0x0000000002250000-0x0000000002306000-memory.dmp

    Filesize

    728KB

  • memory/2944-56-0x0000000002250000-0x0000000002306000-memory.dmp

    Filesize

    728KB

  • memory/2944-22-0x00000000007E0000-0x0000000000888000-memory.dmp

    Filesize

    672KB

  • memory/2944-54-0x0000000002250000-0x0000000002306000-memory.dmp

    Filesize

    728KB

  • memory/2944-53-0x0000000002250000-0x0000000002306000-memory.dmp

    Filesize

    728KB

  • memory/2944-52-0x0000000002250000-0x0000000002306000-memory.dmp

    Filesize

    728KB

  • memory/2944-51-0x0000000002250000-0x0000000002306000-memory.dmp

    Filesize

    728KB

  • memory/2944-49-0x0000000002250000-0x0000000002306000-memory.dmp

    Filesize

    728KB

  • memory/2944-48-0x0000000002250000-0x0000000002306000-memory.dmp

    Filesize

    728KB

  • memory/2944-47-0x0000000002250000-0x0000000002306000-memory.dmp

    Filesize

    728KB

  • memory/2944-46-0x0000000002250000-0x0000000002306000-memory.dmp

    Filesize

    728KB

  • memory/2944-45-0x0000000002250000-0x0000000002306000-memory.dmp

    Filesize

    728KB

  • memory/2944-44-0x0000000002250000-0x0000000002306000-memory.dmp

    Filesize

    728KB

  • memory/2944-43-0x0000000002250000-0x0000000002306000-memory.dmp

    Filesize

    728KB

  • memory/2944-42-0x0000000002250000-0x0000000002306000-memory.dmp

    Filesize

    728KB

  • memory/2944-40-0x0000000002250000-0x0000000002306000-memory.dmp

    Filesize

    728KB

  • memory/2944-39-0x0000000002250000-0x0000000002306000-memory.dmp

    Filesize

    728KB

  • memory/2944-38-0x0000000002250000-0x0000000002306000-memory.dmp

    Filesize

    728KB

  • memory/2944-37-0x0000000002250000-0x0000000002306000-memory.dmp

    Filesize

    728KB

  • memory/2944-36-0x0000000002250000-0x0000000002306000-memory.dmp

    Filesize

    728KB

  • memory/2944-35-0x0000000002250000-0x0000000002306000-memory.dmp

    Filesize

    728KB

  • memory/2944-34-0x0000000002250000-0x0000000002306000-memory.dmp

    Filesize

    728KB

  • memory/2944-33-0x0000000002250000-0x0000000002306000-memory.dmp

    Filesize

    728KB

  • memory/2944-75-0x0000000002250000-0x0000000002306000-memory.dmp

    Filesize

    728KB

  • memory/2944-31-0x0000000002250000-0x0000000002306000-memory.dmp

    Filesize

    728KB

  • memory/2944-50-0x0000000002250000-0x0000000002306000-memory.dmp

    Filesize

    728KB

  • memory/2944-14-0x00000000007E0000-0x0000000000888000-memory.dmp

    Filesize

    672KB

  • memory/2944-41-0x0000000002250000-0x0000000002306000-memory.dmp

    Filesize

    728KB

  • memory/2944-32-0x0000000002250000-0x0000000002306000-memory.dmp

    Filesize

    728KB

  • memory/2944-198-0x0000000002250000-0x0000000002306000-memory.dmp

    Filesize

    728KB