Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-10-2024 14:23

General

  • Target

    0107129d4e33ca0eb7b12f0d7ca8fe827dbefec97799891aebe960ff91f204f7N.exe

  • Size

    355KB

  • MD5

    cf788518a7738e838c98837e62f091a0

  • SHA1

    8d55efcf0e1c63217a342c5753ab9dd7043be71a

  • SHA256

    0107129d4e33ca0eb7b12f0d7ca8fe827dbefec97799891aebe960ff91f204f7

  • SHA512

    4554b7a65324d014eaa0887d063c5b584aac3304f9bfbe3bb1d5acaa7494ade8a2ebeb4f2b5462da191feefd4ab01013905bede134347f9927439af4b99d5f0b

  • SSDEEP

    6144:X3EmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9EiS:kmWhND9yJz+b1FcMLmp2ATTSsdS

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\0107129d4e33ca0eb7b12f0d7ca8fe827dbefec97799891aebe960ff91f204f7N.exe
    "C:\Users\Admin\AppData\Local\Temp\0107129d4e33ca0eb7b12f0d7ca8fe827dbefec97799891aebe960ff91f204f7N.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:224
    • 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:2716

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\DQ67RYHS\login[3].htm

    Filesize

    593B

    MD5

    3b03d93d3487806337b5c6443ce7a62d

    SHA1

    93a7a790bb6348606cbdaf5daeaaf4ea8cf731d0

    SHA256

    7392749832c70fcfc2d440d7afc2f880000dd564930d95d634eb1199fa15de30

    SHA512

    770977beaeedafc5c98d0c32edc8c6c850f05e9f363bc9997fa73991646b02e5d40ceed0017b06caeab0db86423844bc4b0a9f0df2d8239230e423a7bfbd4a88

  • C:\Users\Admin\AppData\Local\Temp\6C0F.tmp

    Filesize

    60KB

    MD5

    ddaa2b540b85553e6630b4bea109cfd4

    SHA1

    c4ddf238c31d80f1356dc018da8d9701098621cc

    SHA256

    13d0244a554cd1e623dc81511b046032950d0b5e30653c1bc96de64bf2af7b9c

    SHA512

    55c9d89c5736152d19e5e647602e88a852762b65f16281de90a6af80aa257e35c76ef83608d8d653c23aabd1f1315cb2b26b4dbc71be64291c33675ba1d51abb

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

    Filesize

    481B

    MD5

    d2a9c94537f5b319946c71ab1b44eb51

    SHA1

    7d483aaff6ddb3f5d22763e205975286acc3a56a

    SHA256

    9012781b14a4db40a10d756a98320c1460a1d5ee3dfa6d1f8e41f370203f9b27

    SHA512

    a17739330d2c7fe3c88073b8ed52d44150d9ffc8917385da732c399b84f4a9d626a5c8eb362b800ad5a951ab8d731a4d682c65eff47aa904a50bc039784d5089

  • C:\Users\Admin\AppData\Local\Temp\6D2D.tmp

    Filesize

    41KB

    MD5

    b6eb3467e5113de380607d507181c8a9

    SHA1

    88e160faf961451ba8b639be8f1bf69bdf74eeab

    SHA256

    a734f22ee57bab4a82668ee2114928c1e2c032b384e62163cd8f9bd5dfe0cdfc

    SHA512

    336b580ce86096758388156d6e6f49d6e4e4e2c6f9ae52eb5a8d3b48d963d2c6a9fb0829fb0670790f6213d6f48a74681e994991eb9fe96c7d8f963d54120246

  • C:\Users\Admin\AppData\Local\Temp\9762.tmp

    Filesize

    593B

    MD5

    926512864979bc27cf187f1de3f57aff

    SHA1

    acdeb9d6187932613c7fa08eaf28f0cd8116f4b5

    SHA256

    b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f

    SHA512

    f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b

  • C:\Windows\apppatch\svchost.exe

    Filesize

    355KB

    MD5

    c5f1de0ac33b7831ed3fa86105f497c7

    SHA1

    3df75b21f07b2727257e0b2329061bd195395782

    SHA256

    19275f0d0848410bd77522937c183616583713c48d27b9efcb42b716997c2af7

    SHA512

    75521621d0651b8e97f426f8c4a8c5f74f390df2e462b84551f64484efbdf219768b6950f9506b45ebc3567042600d020f207822e576a7bad1cc52d23f5c1225

  • memory/224-9-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2716-48-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-25-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-45-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-11-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-43-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-39-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-72-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-70-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-69-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-68-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-67-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-66-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-65-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-64-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-63-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-62-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-61-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-60-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-59-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-58-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-56-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-55-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-54-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-53-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-52-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-50-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-49-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-10-0x0000000002940000-0x00000000029E8000-memory.dmp

    Filesize

    672KB

  • memory/2716-47-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-46-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-13-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-15-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-36-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-42-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-41-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-40-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-37-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-35-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-34-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-30-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-29-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-27-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-26-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-24-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-23-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-22-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-21-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-19-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-18-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-71-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-57-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-51-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-38-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-33-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-32-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-31-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-28-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-44-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-20-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-17-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-16-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB

  • memory/2716-170-0x0000000002B30000-0x0000000002BE6000-memory.dmp

    Filesize

    728KB