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Analysis

  • max time kernel
    131s
  • max time network
    135s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240419-en
  • resource tags

    arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    10/05/2024, 12:41

General

  • Target

    024d54a41c84523a550b2ed076a53de08287b956a5773cdd24e09e355c0827b7.exe

  • Size

    373KB

  • MD5

    bb7186f669b8baa6359579c50099ea00

  • SHA1

    b1e025206731183d3798e45a65805c7c4e5f02dc

  • SHA256

    024d54a41c84523a550b2ed076a53de08287b956a5773cdd24e09e355c0827b7

  • SHA512

    2f8800121851d33eb442833127907ac5705405a89ad5c2e92f5498662ffb1792336c757e8858a05688b3490248e44c9ad80fae59791d294faf366e5166c3e414

  • SSDEEP

    6144:Xm7tnXHiPWJ/b1ZPB66To26pxlW0BmbtKjCouJJtqOCFgqIt0TtMV:Xm7tnyOtb1ZZ66TrbqiIFGqmV

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.150

Attributes
  • url_path

    /c698e1bc8a2f5e6d.php

Signatures

  • Detect ZGRat V1 3 IoCs
  • Stealc

    Stealc is an infostealer written in C++.

  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Downloads MZ/PE file
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 2 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 23 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 7 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\024d54a41c84523a550b2ed076a53de08287b956a5773cdd24e09e355c0827b7.exe
    "C:\Users\Admin\AppData\Local\Temp\024d54a41c84523a550b2ed076a53de08287b956a5773cdd24e09e355c0827b7.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:428
    • C:\Users\Admin\AppData\Local\Temp\ubw.0.exe
      "C:\Users\Admin\AppData\Local\Temp\ubw.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:3972
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3972 -s 2372
        3⤵
        • Program crash
        PID:1940
    • C:\Users\Admin\AppData\Local\Temp\ubw.1.exe
      "C:\Users\Admin\AppData\Local\Temp\ubw.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:396
      • C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
        "C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe" /eieci=11A12794-499E-4FA0-A281-A9A9AA8B2685 /eipi=5488CB36-BE62-4606-B07B-2EE938868BD1
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:5036
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 428 -s 1524
      2⤵
      • Program crash
      PID:416
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 428 -ip 428
    1⤵
      PID:4980
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3972 -ip 3972
      1⤵
        PID:1012

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\Are.docx

        Filesize

        11KB

        MD5

        a33e5b189842c5867f46566bdbf7a095

        SHA1

        e1c06359f6a76da90d19e8fd95e79c832edb3196

        SHA256

        5abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454

        SHA512

        f2ad3812ec9b915e9618539b0f103f2e9acaad25fbbacd84941c954ce070af231324e83a4621e951c1dbae8d40d50410954e40dd52bbd46e34c54b0d1957407b

      • C:\ProgramData\mozglue.dll

        Filesize

        593KB

        MD5

        c8fd9be83bc728cc04beffafc2907fe9

        SHA1

        95ab9f701e0024cedfbd312bcfe4e726744c4f2e

        SHA256

        ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

        SHA512

        fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

      • C:\ProgramData\nss3.dll

        Filesize

        2.0MB

        MD5

        1cc453cdf74f31e4d913ff9c10acdde2

        SHA1

        6e85eae544d6e965f15fa5c39700fa7202f3aafe

        SHA256

        ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

        SHA512

        dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

      • C:\Users\Admin\AppData\Local\Temp\ubw.0.exe

        Filesize

        231KB

        MD5

        879b731bc25ad06eea7282496b49363e

        SHA1

        b8d419721f28e130cce781e5968f40ac2c5e7456

        SHA256

        ab5ad9f5fd8938c963a1602539d2409a514f26e8263b9f424b3a79fc3632f98f

        SHA512

        6c69b11027063f24ee98c7202b4a8fd8c0cf023f4819231710c93707d2624127b41b8337f7a7e7de45d8c9b2b9ecf8e7c469b47ab1916c6468ab439a038b06c2

      • C:\Users\Admin\AppData\Local\Temp\ubw.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/396-109-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/428-2-0x00000000042B0000-0x000000000431C000-memory.dmp

        Filesize

        432KB

      • memory/428-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/428-28-0x00000000042B0000-0x000000000431C000-memory.dmp

        Filesize

        432KB

      • memory/428-27-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/428-26-0x0000000000400000-0x0000000002599000-memory.dmp

        Filesize

        33.6MB

      • memory/428-1-0x0000000002670000-0x0000000002770000-memory.dmp

        Filesize

        1024KB

      • memory/3972-153-0x0000000000400000-0x0000000002576000-memory.dmp

        Filesize

        33.5MB

      • memory/3972-49-0x0000000000400000-0x0000000002576000-memory.dmp

        Filesize

        33.5MB

      • memory/3972-50-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/5036-147-0x000002039FEE0000-0x000002039FEEA000-memory.dmp

        Filesize

        40KB

      • memory/5036-143-0x00000203B8B40000-0x00000203B8BF2000-memory.dmp

        Filesize

        712KB

      • memory/5036-138-0x000002039E550000-0x000002039E560000-memory.dmp

        Filesize

        64KB

      • memory/5036-140-0x000002039E5A0000-0x000002039E5B4000-memory.dmp

        Filesize

        80KB

      • memory/5036-141-0x00000203B8730000-0x00000203B8754000-memory.dmp

        Filesize

        144KB

      • memory/5036-142-0x00000203B8860000-0x00000203B886A000-memory.dmp

        Filesize

        40KB

      • memory/5036-151-0x00000203B8C90000-0x00000203B8F90000-memory.dmp

        Filesize

        3.0MB

      • memory/5036-145-0x00000203B8C40000-0x00000203B8C90000-memory.dmp

        Filesize

        320KB

      • memory/5036-144-0x00000203B88A0000-0x00000203B88CA000-memory.dmp

        Filesize

        168KB

      • memory/5036-146-0x00000203B8BF0000-0x00000203B8C12000-memory.dmp

        Filesize

        136KB

      • memory/5036-139-0x000002039FF00000-0x000002039FF0C000-memory.dmp

        Filesize

        48KB

      • memory/5036-127-0x000002039A8A0000-0x000002039E0D4000-memory.dmp

        Filesize

        56.2MB

      • memory/5036-157-0x00000203BD020000-0x00000203BD028000-memory.dmp

        Filesize

        32KB

      • memory/5036-154-0x00000203BD6F0000-0x00000203BD6F8000-memory.dmp

        Filesize

        32KB

      • memory/5036-155-0x00000203BD030000-0x00000203BD068000-memory.dmp

        Filesize

        224KB

      • memory/5036-156-0x00000203BD000000-0x00000203BD00E000-memory.dmp

        Filesize

        56KB

      • memory/5036-137-0x00000203B88E0000-0x00000203B89EA000-memory.dmp

        Filesize

        1.0MB

      • memory/5036-158-0x00000203BD9A0000-0x00000203BD9AA000-memory.dmp

        Filesize

        40KB

      • memory/5036-160-0x00000203BDA20000-0x00000203BDA42000-memory.dmp

        Filesize

        136KB

      • memory/5036-159-0x00000203BD9C0000-0x00000203BDA22000-memory.dmp

        Filesize

        392KB

      • memory/5036-161-0x00000203BDF70000-0x00000203BE498000-memory.dmp

        Filesize

        5.2MB

      • memory/5036-164-0x00000203BD720000-0x00000203BD72C000-memory.dmp

        Filesize

        48KB

      • memory/5036-165-0x00000203BD800000-0x00000203BD876000-memory.dmp

        Filesize

        472KB

      • memory/5036-166-0x00000203BD760000-0x00000203BD77E000-memory.dmp

        Filesize

        120KB