Analysis

  • max time kernel
    141s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-05-2024 07:03

General

  • Target

    663d4ada077bad577517aa6a3f8e325abbb238cce7a72b838aecd3b15df65ca6.exe

  • Size

    416KB

  • MD5

    e6ae3376046f35a92fde5f0e40ad079b

  • SHA1

    d94b07bc322b6175a1d72ccf240d9d4af545a9ad

  • SHA256

    663d4ada077bad577517aa6a3f8e325abbb238cce7a72b838aecd3b15df65ca6

  • SHA512

    8625fa8dc661c990b90f2fad3841b65ec23aaacc34d4bbe318a92f3c1bdb983ca70c416b4e13f6335b3a4609b4090fe0b4f45fa40a15277f790c88fe6a11476e

  • SSDEEP

    6144:uE9fYb7tyBIBFPOofY+dZLomCu9PVDro/rTsKIknXjrxPmHQTNWekuMio:uEeHtJBFNYnKJro/rIKdXjF+w8Huo

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
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 30 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\663d4ada077bad577517aa6a3f8e325abbb238cce7a72b838aecd3b15df65ca6.exe
    "C:\Users\Admin\AppData\Local\Temp\663d4ada077bad577517aa6a3f8e325abbb238cce7a72b838aecd3b15df65ca6.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:644
    • C:\Users\Admin\AppData\Local\Temp\uhw.0.exe
      "C:\Users\Admin\AppData\Local\Temp\uhw.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:4932
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4932 -s 2284
        3⤵
        • Program crash
        PID:3832
    • C:\Users\Admin\AppData\Local\Temp\uhw.1.exe
      "C:\Users\Admin\AppData\Local\Temp\uhw.1.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:344
      • 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:3256
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 644 -s 708
      2⤵
      • Program crash
      PID:2464
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 644 -ip 644
    1⤵
      PID:532
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4932 -ip 4932
      1⤵
        PID:3408

      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

        3KB

        MD5

        2e3db5fb6641243da0cdfd8a4c68f960

        SHA1

        6a5123141e3489a54fc293654b77cb83fb49a2ab

        SHA256

        f13bc4aa1f1fe6a3333dae535fd0385c245b90e538791f8355cf9fbc5acbdb95

        SHA512

        e590fd23d96cf9e863cfb7901c1c32930a46964824df65c957dec088715e268359dd4a88c9c9c93a6f298444e2d627947a509d2df10bf2d0444ca48405768bde

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

        Filesize

        275KB

        MD5

        83493b3717b3e54113b89fe0e5b765a1

        SHA1

        0e0b8f1f0a18258e9130f151c06b163418f7a90e

        SHA256

        3cf852a87b37cd494844030de64eec372931b19570a10e0896fc18c94bb99627

        SHA512

        85dd3e6cfc6ed41fe045627d5f701455d94320e7ad21e2ffaff55607b390224e70b2923c2e327e68463fe91a84755fc04f3e3e753720c7d0ede53ba129df0121

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

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/344-94-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/344-106-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/644-30-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/644-29-0x0000000002CD0000-0x0000000002D3C000-memory.dmp

        Filesize

        432KB

      • memory/644-28-0x0000000000400000-0x0000000002B25000-memory.dmp

        Filesize

        39.1MB

      • memory/644-13-0x0000000000400000-0x0000000002B25000-memory.dmp

        Filesize

        39.1MB

      • memory/644-1-0x0000000002D60000-0x0000000002E60000-memory.dmp

        Filesize

        1024KB

      • memory/644-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/644-2-0x0000000002CD0000-0x0000000002D3C000-memory.dmp

        Filesize

        432KB

      • memory/3256-129-0x0000014667D10000-0x0000014667D72000-memory.dmp

        Filesize

        392KB

      • memory/3256-126-0x0000014666B60000-0x0000014666B6E000-memory.dmp

        Filesize

        56KB

      • memory/3256-110-0x0000014662260000-0x000001466226C000-memory.dmp

        Filesize

        48KB

      • memory/3256-109-0x0000014662240000-0x0000014662250000-memory.dmp

        Filesize

        64KB

      • memory/3256-111-0x0000014662250000-0x0000014662264000-memory.dmp

        Filesize

        80KB

      • memory/3256-112-0x00000146622C0000-0x00000146622E4000-memory.dmp

        Filesize

        144KB

      • memory/3256-113-0x00000146622F0000-0x00000146622FA000-memory.dmp

        Filesize

        40KB

      • memory/3256-114-0x0000014662670000-0x000001466269A000-memory.dmp

        Filesize

        168KB

      • memory/3256-115-0x00000146626A0000-0x0000014662752000-memory.dmp

        Filesize

        712KB

      • memory/3256-116-0x00000146627A0000-0x00000146627F0000-memory.dmp

        Filesize

        320KB

      • memory/3256-117-0x00000146627F0000-0x0000014662812000-memory.dmp

        Filesize

        136KB

      • memory/3256-118-0x0000014662300000-0x000001466230A000-memory.dmp

        Filesize

        40KB

      • memory/3256-122-0x0000014662820000-0x0000014662B20000-memory.dmp

        Filesize

        3.0MB

      • memory/3256-124-0x0000014666490000-0x0000014666498000-memory.dmp

        Filesize

        32KB

      • memory/3256-125-0x0000014666B90000-0x0000014666BC8000-memory.dmp

        Filesize

        224KB

      • memory/3256-108-0x0000014662420000-0x000001466252A000-memory.dmp

        Filesize

        1.0MB

      • memory/3256-127-0x0000014666B80000-0x0000014666B88000-memory.dmp

        Filesize

        32KB

      • memory/3256-128-0x0000014667CF0000-0x0000014667CFA000-memory.dmp

        Filesize

        40KB

      • memory/3256-107-0x0000014643550000-0x0000014646D84000-memory.dmp

        Filesize

        56.2MB

      • memory/3256-130-0x0000014667A70000-0x0000014667A92000-memory.dmp

        Filesize

        136KB

      • memory/3256-131-0x00000146682A0000-0x00000146687C8000-memory.dmp

        Filesize

        5.2MB

      • memory/3256-134-0x0000014667A90000-0x0000014667A9C000-memory.dmp

        Filesize

        48KB

      • memory/3256-135-0x0000014667B70000-0x0000014667BE6000-memory.dmp

        Filesize

        472KB

      • memory/3256-137-0x0000014667AD0000-0x0000014667AEE000-memory.dmp

        Filesize

        120KB

      • memory/4932-93-0x0000000000400000-0x0000000002B02000-memory.dmp

        Filesize

        39.0MB

      • memory/4932-36-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/4932-162-0x0000000000400000-0x0000000002B02000-memory.dmp

        Filesize

        39.0MB

      • memory/4932-35-0x0000000000400000-0x0000000002B02000-memory.dmp

        Filesize

        39.0MB

      • memory/4932-176-0x0000000000400000-0x0000000002B02000-memory.dmp

        Filesize

        39.0MB