Analysis

  • max time kernel
    124s
  • max time network
    125s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240419-en
  • resource tags

    arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    06-05-2024 22:00

General

  • Target

    788b07ddb4703999ebce7d1ea6de760f99667a6d2f3e905932c913d689c83ae2.exe

  • Size

    423KB

  • MD5

    7e082a8f4b814df02d2492b92ba08679

  • SHA1

    ebc6c49b269bcf96a64f198353efbc26564e0103

  • SHA256

    788b07ddb4703999ebce7d1ea6de760f99667a6d2f3e905932c913d689c83ae2

  • SHA512

    88a94cf73ba5311361f264c80419af3ba85c953cf6a486b042f949f5e0331f5c3a7a44a7afa20d4184fa990b030a04dfb5d3a7f9146d33a49ff84add0c57253a

  • SSDEEP

    12288:U9Ez/mnZVKQ6Bci6D+GYFBBeHJYaxpYkwY:oHVKQ6d6qGYFB8lLYkwY

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 25 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\788b07ddb4703999ebce7d1ea6de760f99667a6d2f3e905932c913d689c83ae2.exe
    "C:\Users\Admin\AppData\Local\Temp\788b07ddb4703999ebce7d1ea6de760f99667a6d2f3e905932c913d689c83ae2.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3768
    • C:\Users\Admin\AppData\Local\Temp\u2wo.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u2wo.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:2188
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2188 -s 2476
        3⤵
        • Program crash
        PID:1476
    • C:\Users\Admin\AppData\Local\Temp\u2wo.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u2wo.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:484
      • 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:4924
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3768 -s 1616
      2⤵
      • Program crash
      PID:4156
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3768 -ip 3768
    1⤵
      PID:2612
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2188 -ip 2188
      1⤵
        PID:2140

      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\iolo\dm\ioloDMLog.txt

        Filesize

        2KB

        MD5

        e7939d0de0040e78308da004a231ec42

        SHA1

        58b519b9ba145cb00b70114de9e7ac5964e9d7e5

        SHA256

        35dd2d94cd1c8ae99245038073587f32a233c737765abed4fd4ea8918f449f63

        SHA512

        b49e16eae60e60f1ae6b02d756f1014dd298fd761db65275086806e4267e6d09ec1fa602d5b2cd2ac7d1f11ef143ba7a27592d72e3b3de20550e3ae5e1bd7755

      • C:\Users\Admin\AppData\Local\Temp\iolo\dm\ioloDMLog.txt

        Filesize

        3KB

        MD5

        4df88c7fe4d0f6405c8b24c9a2a17384

        SHA1

        9ad34063efcbf7e238f4fd96626abf5ea747699c

        SHA256

        79cc99d6c564ae956609326072a73d1909a105453e7967af000991dd12c24545

        SHA512

        f18e26e222ef73ccd1e9d770bf7b5221d41877a56505691feb56c12e3e8ccbb8f3916115ca1a0fc292e5737fb1f16fac5f2afcb726abec345c80183b60bbf73f

      • C:\Users\Admin\AppData\Local\Temp\u2wo.0.exe

        Filesize

        282KB

        MD5

        f72e01dfb65e6409cb0fc611e466e9d5

        SHA1

        e3d9f9d5e531ea1537bbecbf8064c5772a3c4a26

        SHA256

        7eec5c68ccc964cae08684c73b65a0427623454286b253b4ee4453dc1aa93bbf

        SHA512

        7f47b5e7d997d923ca3d2a481bd8754b01c444c3be284b01e8577e58632bf1b69db87927e57079999e9ffc4dc1d50c45b68a5ce3b4ad58bdcf55d48acb9a87c1

      • C:\Users\Admin\AppData\Local\Temp\u2wo.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/484-133-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/484-121-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2188-13-0x0000000000400000-0x0000000001A10000-memory.dmp

        Filesize

        22.1MB

      • memory/2188-15-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/2188-105-0x0000000000400000-0x0000000001A10000-memory.dmp

        Filesize

        22.1MB

      • memory/2188-14-0x0000000000400000-0x0000000001A10000-memory.dmp

        Filesize

        22.1MB

      • memory/3768-65-0x0000000000400000-0x0000000001A34000-memory.dmp

        Filesize

        22.2MB

      • memory/3768-66-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/3768-1-0x0000000001BE0000-0x0000000001CE0000-memory.dmp

        Filesize

        1024KB

      • memory/3768-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/3768-2-0x0000000003750000-0x00000000037BC000-memory.dmp

        Filesize

        432KB

      • memory/4924-139-0x0000019E2EDE0000-0x0000019E2EE04000-memory.dmp

        Filesize

        144KB

      • memory/4924-145-0x0000019E2F2E0000-0x0000019E2F356000-memory.dmp

        Filesize

        472KB

      • memory/4924-134-0x0000019E10D90000-0x0000019E14688000-memory.dmp

        Filesize

        57.0MB

      • memory/4924-138-0x0000019E2ED70000-0x0000019E2ED84000-memory.dmp

        Filesize

        80KB

      • memory/4924-137-0x0000019E2ED80000-0x0000019E2ED8C000-memory.dmp

        Filesize

        48KB

      • memory/4924-136-0x0000019E16490000-0x0000019E164A0000-memory.dmp

        Filesize

        64KB

      • memory/4924-140-0x0000019E2F080000-0x0000019E2F08A000-memory.dmp

        Filesize

        40KB

      • memory/4924-142-0x0000019E2F150000-0x0000019E2F17A000-memory.dmp

        Filesize

        168KB

      • memory/4924-143-0x0000019E2F180000-0x0000019E2F1FA000-memory.dmp

        Filesize

        488KB

      • memory/4924-141-0x0000019E2F090000-0x0000019E2F142000-memory.dmp

        Filesize

        712KB

      • memory/4924-144-0x0000019E2F200000-0x0000019E2F262000-memory.dmp

        Filesize

        392KB

      • memory/4924-135-0x0000019E2EE20000-0x0000019E2EF30000-memory.dmp

        Filesize

        1.1MB

      • memory/4924-146-0x0000019E16470000-0x0000019E1647A000-memory.dmp

        Filesize

        40KB

      • memory/4924-150-0x0000019E2F360000-0x0000019E2F660000-memory.dmp

        Filesize

        3.0MB

      • memory/4924-152-0x0000019E32FD0000-0x0000019E32FD8000-memory.dmp

        Filesize

        32KB

      • memory/4924-154-0x0000019E336A0000-0x0000019E336AE000-memory.dmp

        Filesize

        56KB

      • memory/4924-153-0x0000019E336E0000-0x0000019E33718000-memory.dmp

        Filesize

        224KB

      • memory/4924-155-0x0000019E33730000-0x0000019E3373A000-memory.dmp

        Filesize

        40KB

      • memory/4924-156-0x0000019E34040000-0x0000019E34062000-memory.dmp

        Filesize

        136KB

      • memory/4924-157-0x0000019E34590000-0x0000019E34AB8000-memory.dmp

        Filesize

        5.2MB

      • memory/4924-161-0x0000019E33760000-0x0000019E3376C000-memory.dmp

        Filesize

        48KB

      • memory/4924-160-0x0000019E33E10000-0x0000019E33E60000-memory.dmp

        Filesize

        320KB

      • memory/4924-162-0x0000019E33E60000-0x0000019E33E82000-memory.dmp

        Filesize

        136KB

      • memory/4924-163-0x0000019E33DF0000-0x0000019E33E0E000-memory.dmp

        Filesize

        120KB