Analysis

  • max time kernel
    143s
  • max time network
    129s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240426-en
  • resource tags

    arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    09-05-2024 23:59

General

  • Target

    238d0d09a81e5d184f21b0f8df90fda6ba74973713dc15996f0acafba1d249d6.exe

  • Size

    384KB

  • MD5

    f168f91f007f6154e63d3bc20f540ab6

  • SHA1

    4280fff35cbf4b248ce36a163075610cd8237405

  • SHA256

    238d0d09a81e5d184f21b0f8df90fda6ba74973713dc15996f0acafba1d249d6

  • SHA512

    e853bfb50c140f164161047dc60a5bfc2e2afeba0bceff4f26eaf54d9cc45e4eeacdd8875c61ee5b0a58a87d6c74e3ce45870c2792c52325742ace16890af6f0

  • SSDEEP

    12288:lvNMaEOh22VwmtX3FLa16B3FuOx6LiBwwI:lVrs25X3V66BoOxvVI

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 21 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\238d0d09a81e5d184f21b0f8df90fda6ba74973713dc15996f0acafba1d249d6.exe
    "C:\Users\Admin\AppData\Local\Temp\238d0d09a81e5d184f21b0f8df90fda6ba74973713dc15996f0acafba1d249d6.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2384
    • C:\Users\Admin\AppData\Local\Temp\u1u8.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u1u8.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:2652
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2652 -s 2432
        3⤵
        • Program crash
        PID:2532
    • C:\Users\Admin\AppData\Local\Temp\u1u8.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u1u8.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2056
      • 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:4480
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2384 -s 1196
      2⤵
      • Program crash
      PID:1632
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2384 -ip 2384
    1⤵
      PID:4988
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 2652 -ip 2652
      1⤵
        PID:3692

      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\u1u8.0.exe

        Filesize

        206KB

        MD5

        0917be53327ea132956255dcab650a82

        SHA1

        b60818917f645a8a9af3b530e3ae37c1f002be2f

        SHA256

        211c34660898480e0777c6ef6f61bf2111f6550e00b40cab859543d567dc455a

        SHA512

        a72acc24ba813d983bbf2ecab7929d0aab4e25637ae43e85b973a5105429bd15c061415fd855737620caaf81b456b2d6ba57f85566245efbe5f8b5db5560932a

      • C:\Users\Admin\AppData\Local\Temp\u1u8.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/2056-86-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2056-104-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2384-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/2384-1-0x0000000002F20000-0x0000000003020000-memory.dmp

        Filesize

        1024KB

      • memory/2384-31-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/2384-30-0x0000000000400000-0x0000000002B1E000-memory.dmp

        Filesize

        39.1MB

      • memory/2384-2-0x0000000002EB0000-0x0000000002F1C000-memory.dmp

        Filesize

        432KB

      • memory/2652-53-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/2652-172-0x0000000000400000-0x0000000002AF1000-memory.dmp

        Filesize

        38.9MB

      • memory/2652-85-0x0000000000400000-0x0000000002AF1000-memory.dmp

        Filesize

        38.9MB

      • memory/2652-51-0x0000000000400000-0x0000000002AF1000-memory.dmp

        Filesize

        38.9MB

      • memory/4480-117-0x0000016924190000-0x00000169241E0000-memory.dmp

        Filesize

        320KB

      • memory/4480-129-0x0000016928630000-0x000001692863A000-memory.dmp

        Filesize

        40KB

      • memory/4480-115-0x0000016923AF0000-0x0000016923B1A000-memory.dmp

        Filesize

        168KB

      • memory/4480-116-0x00000169240E0000-0x0000016924192000-memory.dmp

        Filesize

        712KB

      • memory/4480-110-0x000001690B090000-0x000001690B0A0000-memory.dmp

        Filesize

        64KB

      • memory/4480-114-0x0000016923AD0000-0x0000016923ADA000-memory.dmp

        Filesize

        40KB

      • memory/4480-118-0x0000016923F30000-0x0000016923F52000-memory.dmp

        Filesize

        136KB

      • memory/4480-119-0x000001690B0B0000-0x000001690B0BA000-memory.dmp

        Filesize

        40KB

      • memory/4480-123-0x00000169241E0000-0x00000169244E0000-memory.dmp

        Filesize

        3.0MB

      • memory/4480-125-0x0000016927EB0000-0x0000016927EB8000-memory.dmp

        Filesize

        32KB

      • memory/4480-127-0x0000016928580000-0x000001692858E000-memory.dmp

        Filesize

        56KB

      • memory/4480-126-0x00000169285B0000-0x00000169285E8000-memory.dmp

        Filesize

        224KB

      • memory/4480-128-0x00000169285A0000-0x00000169285A8000-memory.dmp

        Filesize

        32KB

      • memory/4480-113-0x000001690B180000-0x000001690B1A4000-memory.dmp

        Filesize

        144KB

      • memory/4480-130-0x0000016928EF0000-0x0000016928F52000-memory.dmp

        Filesize

        392KB

      • memory/4480-131-0x0000016928F50000-0x0000016928F72000-memory.dmp

        Filesize

        136KB

      • memory/4480-132-0x00000169294A0000-0x00000169299C8000-memory.dmp

        Filesize

        5.2MB

      • memory/4480-135-0x0000016928C50000-0x0000016928C5C000-memory.dmp

        Filesize

        48KB

      • memory/4480-139-0x0000016929040000-0x00000169290B6000-memory.dmp

        Filesize

        472KB

      • memory/4480-112-0x000001690B150000-0x000001690B164000-memory.dmp

        Filesize

        80KB

      • memory/4480-111-0x000001690B160000-0x000001690B16C000-memory.dmp

        Filesize

        48KB

      • memory/4480-160-0x0000016928FA0000-0x0000016928FBE000-memory.dmp

        Filesize

        120KB

      • memory/4480-109-0x0000016923E20000-0x0000016923F2A000-memory.dmp

        Filesize

        1.0MB

      • memory/4480-108-0x0000016905C10000-0x0000016909444000-memory.dmp

        Filesize

        56.2MB

      • memory/4480-173-0x0000016923C60000-0x0000016923E13000-memory.dmp

        Filesize

        1.7MB