Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-12-2024 04:11

General

  • Target

    ec31328bb825b07cf3bb31754cb47280241c480be07c1ea6b28e36c727541f5c.exe

  • Size

    358KB

  • MD5

    dd7586d6bef3cf33684dac533d813320

  • SHA1

    b70b61858d52cdf239b31659920beefc8f6f0d60

  • SHA256

    ec31328bb825b07cf3bb31754cb47280241c480be07c1ea6b28e36c727541f5c

  • SHA512

    b5379613b9b75bf69df604f47c329bb6644304867859ce9c1334a972d25bdb5a7248983caf23e44454145b82d324b0361aba7d5e175a82bf6a5ff224358d5700

  • SSDEEP

    6144:CXRcmWhxR1arY/PbgmFOabPIIBhJXAv7eTY9suz0xhttGSrDKE3KIQvSka8bj:CCmWTR1arYnEKosuzY34CZ3DQvSkN

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

  • Simda family
  • simda

    Simda is an infostealer written in C++.

  • Executes dropped EXE 1 IoCs
  • Modifies WinLogon 2 TTPs 1 IoCs
  • Drops file in Program Files directory 16 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.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ec31328bb825b07cf3bb31754cb47280241c480be07c1ea6b28e36c727541f5c.exe
    "C:\Users\Admin\AppData\Local\Temp\ec31328bb825b07cf3bb31754cb47280241c480be07c1ea6b28e36c727541f5c.exe"
    1⤵
    • Modifies WinLogon
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2344
    • C:\Windows\apppatch\svchost.exe
      "C:\Windows\apppatch\svchost.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1492

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Low\IE\G9S3MJKI\login[2].htm

    Filesize

    168B

    MD5

    d57e3a550060f85d44a175139ea23021

    SHA1

    2c5cb3428a322c9709a34d04dd86fe7628f8f0a6

    SHA256

    43edf068d34276e8ade4113d4d7207de19fc98a2ae1c07298e593edae2a8774c

    SHA512

    0364fe6a010fce7a3f4a6344c84468c64b20fd131f3160fc649db78f1075ba52d8a1c4496e50dbe27c357e01ee52e94cdcda8f7927cba28d5f2f45b9da690063

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Low\IE\PT2NLO3C\login[1].htm

    Filesize

    162B

    MD5

    4f8e702cc244ec5d4de32740c0ecbd97

    SHA1

    3adb1f02d5b6054de0046e367c1d687b6cdf7aff

    SHA256

    9e17cb15dd75bbbd5dbb984eda674863c3b10ab72613cf8a39a00c3e11a8492a

    SHA512

    21047fea5269fee75a2a187aa09316519e35068cb2f2f76cfaf371e5224445e9d5c98497bd76fb9608d2b73e9dac1a3f5bfadfdc4623c479d53ecf93d81d3c9f

  • C:\Windows\apppatch\svchost.exe

    Filesize

    358KB

    MD5

    148cc1eeacb919c43da20a2e14db4ff0

    SHA1

    8f30a4d47f6143fd83b95791f6fccb9a6bed3184

    SHA256

    b47afbce9534a8ee73445178606d8480155084828c297934b98110c776355cc8

    SHA512

    5a89317098007157b0f58c34bedacf120484748d5f2011d80cdc9935855edd02f9c86359c54f2d3ba9084079593b841b3557387af5b603d8aa4ac0e0dbf063d4

  • memory/1492-12-0x0000000000D50000-0x0000000000DFA000-memory.dmp

    Filesize

    680KB

  • memory/1492-13-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-15-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-17-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-39-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-45-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-73-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-72-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-70-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-69-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-68-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-66-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-65-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-64-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-63-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-62-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-61-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-60-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-59-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-57-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-56-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-55-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-53-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-52-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-50-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-49-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-48-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-47-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-46-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-44-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-43-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-42-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-41-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-40-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-38-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-37-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-36-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-35-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-34-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-33-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-32-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-30-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-29-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-28-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-27-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-25-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-26-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-24-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-23-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-22-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-21-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-20-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-74-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-71-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-67-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-58-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-54-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-51-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-31-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-19-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-18-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-156-0x0000000003100000-0x00000000031B7000-memory.dmp

    Filesize

    732KB

  • memory/1492-2044-0x0000000007490000-0x0000000007491000-memory.dmp

    Filesize

    4KB

  • memory/1492-2043-0x0000000007480000-0x0000000007481000-memory.dmp

    Filesize

    4KB

  • memory/1492-2042-0x00000000074A0000-0x00000000074A1000-memory.dmp

    Filesize

    4KB

  • memory/1492-2041-0x0000000076FE2000-0x0000000076FE3000-memory.dmp

    Filesize

    4KB

  • memory/2344-10-0x0000000000360000-0x00000000003BF000-memory.dmp

    Filesize

    380KB