Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-05-2024 16:00

General

  • Target

    02bdefadbe7de665ce88f7802fb72d778192eb13e2a0494b9fb44de3d62ba97e.exe

  • Size

    373KB

  • MD5

    3794381fbd146f13dcdef320d4547a3b

  • SHA1

    a572358ad363245d0110e010460f14d9a87678ca

  • SHA256

    02bdefadbe7de665ce88f7802fb72d778192eb13e2a0494b9fb44de3d62ba97e

  • SHA512

    5dacf1142b23bcc9b07b344921bce48925899070e5f0391b592f996c077f79c72cf9e1017edcdedf14e83e3ba0f0bebab70944b24f98c30b997ebe1da2b08648

  • SSDEEP

    6144:rTePZlPmlhKy8Z7Hejcr9mg7OWB2GhXJdv4Ub88F3YXCfYvPoyogzTxva:rTePHIhKbDrdvfQ8RmCgvloUta

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 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\02bdefadbe7de665ce88f7802fb72d778192eb13e2a0494b9fb44de3d62ba97e.exe
    "C:\Users\Admin\AppData\Local\Temp\02bdefadbe7de665ce88f7802fb72d778192eb13e2a0494b9fb44de3d62ba97e.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4592
    • C:\Users\Admin\AppData\Local\Temp\u3jk.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u3jk.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:1908
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1908 -s 2372
        3⤵
        • Program crash
        PID:4400
    • C:\Users\Admin\AppData\Local\Temp\u3jk.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u3jk.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:856
      • 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:1544
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4592 -s 1152
      2⤵
      • Program crash
      PID:1576
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4592 -ip 4592
    1⤵
      PID:1524
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 1908 -ip 1908
      1⤵
        PID:3748

      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\u3jk.0.exe

        Filesize

        231KB

        MD5

        7ef8dd4292b7d2ece55b9db53d22ed30

        SHA1

        6d9316eccdc762e694ebb2950057ddb672a80953

        SHA256

        f9ad11b6e4e476c6322766fad52633e3d7419ba96b74899188c26b5b669ff18b

        SHA512

        5f154d79b1df078c95529a48c478771fae9330d47f8abc73a7e68978718fef3793904f3830621d53dc68b86dae53a540bc809da24495696ae5304d91350fa80c

      • C:\Users\Admin\AppData\Local\Temp\u3jk.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/856-49-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/856-94-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/1544-128-0x00000246E0250000-0x00000246E0272000-memory.dmp

        Filesize

        136KB

      • memory/1544-135-0x00000246DFF60000-0x00000246DFF6C000-memory.dmp

        Filesize

        48KB

      • memory/1544-105-0x00000246DA9D0000-0x00000246DAADA000-memory.dmp

        Filesize

        1.0MB

      • memory/1544-106-0x00000246C1A70000-0x00000246C1A80000-memory.dmp

        Filesize

        64KB

      • memory/1544-107-0x00000246C1BF0000-0x00000246C1BFC000-memory.dmp

        Filesize

        48KB

      • memory/1544-108-0x00000246C1AC0000-0x00000246C1AD4000-memory.dmp

        Filesize

        80KB

      • memory/1544-109-0x00000246DA7B0000-0x00000246DA7D4000-memory.dmp

        Filesize

        144KB

      • memory/1544-110-0x00000246DA750000-0x00000246DA75A000-memory.dmp

        Filesize

        40KB

      • memory/1544-112-0x00000246DAC20000-0x00000246DAC4A000-memory.dmp

        Filesize

        168KB

      • memory/1544-111-0x00000246DA810000-0x00000246DA8C2000-memory.dmp

        Filesize

        712KB

      • memory/1544-113-0x00000246DACA0000-0x00000246DACF0000-memory.dmp

        Filesize

        320KB

      • memory/1544-114-0x00000246DACF0000-0x00000246DAD12000-memory.dmp

        Filesize

        136KB

      • memory/1544-115-0x00000246DA760000-0x00000246DA76A000-memory.dmp

        Filesize

        40KB

      • memory/1544-119-0x00000246DAD20000-0x00000246DB020000-memory.dmp

        Filesize

        3.0MB

      • memory/1544-121-0x00000246DF720000-0x00000246DF728000-memory.dmp

        Filesize

        32KB

      • memory/1544-122-0x00000246DF060000-0x00000246DF098000-memory.dmp

        Filesize

        224KB

      • memory/1544-123-0x00000246DF030000-0x00000246DF03E000-memory.dmp

        Filesize

        56KB

      • memory/1544-124-0x00000246DF050000-0x00000246DF058000-memory.dmp

        Filesize

        32KB

      • memory/1544-127-0x00000246E01F0000-0x00000246E0252000-memory.dmp

        Filesize

        392KB

      • memory/1544-188-0x00000246DA2D0000-0x00000246DA4C7000-memory.dmp

        Filesize

        2.0MB

      • memory/1544-126-0x00000246DFF40000-0x00000246DFF4A000-memory.dmp

        Filesize

        40KB

      • memory/1544-187-0x00000246DA2D0000-0x00000246DA4C7000-memory.dmp

        Filesize

        2.0MB

      • memory/1544-129-0x00000246E07A0000-0x00000246E0CC8000-memory.dmp

        Filesize

        5.2MB

      • memory/1544-95-0x00000246BC690000-0x00000246BFEC4000-memory.dmp

        Filesize

        56.2MB

      • memory/1544-186-0x00000246DA2D0000-0x00000246DA4C7000-memory.dmp

        Filesize

        2.0MB

      • memory/1544-185-0x00000246DA2D0000-0x00000246DA4C7000-memory.dmp

        Filesize

        2.0MB

      • memory/1544-153-0x00000246E0340000-0x00000246E03B6000-memory.dmp

        Filesize

        472KB

      • memory/1544-184-0x00000246DA2D0000-0x00000246DA4C7000-memory.dmp

        Filesize

        2.0MB

      • memory/1544-174-0x00000246DB040000-0x00000246DB05E000-memory.dmp

        Filesize

        120KB

      • memory/1544-177-0x00000246DA2D0000-0x00000246DA4C7000-memory.dmp

        Filesize

        2.0MB

      • memory/1544-183-0x00000246DA2D0000-0x00000246DA4C7000-memory.dmp

        Filesize

        2.0MB

      • memory/1544-182-0x00000246DA2D0000-0x00000246DA4C7000-memory.dmp

        Filesize

        2.0MB

      • memory/1544-179-0x00000246DA2D0000-0x00000246DA4C7000-memory.dmp

        Filesize

        2.0MB

      • memory/1544-180-0x00000246DA2D0000-0x00000246DA4C7000-memory.dmp

        Filesize

        2.0MB

      • memory/1544-181-0x00000246DA2D0000-0x00000246DA4C7000-memory.dmp

        Filesize

        2.0MB

      • memory/1908-178-0x0000000000400000-0x0000000002576000-memory.dmp

        Filesize

        33.5MB

      • memory/1908-176-0x0000000000400000-0x0000000002576000-memory.dmp

        Filesize

        33.5MB

      • memory/1908-61-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/1908-125-0x0000000000400000-0x0000000002576000-memory.dmp

        Filesize

        33.5MB

      • memory/4592-3-0x00000000041E0000-0x000000000424C000-memory.dmp

        Filesize

        432KB

      • memory/4592-4-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/4592-2-0x00000000025D0000-0x00000000026D0000-memory.dmp

        Filesize

        1024KB

      • memory/4592-1-0x0000000000400000-0x0000000002599000-memory.dmp

        Filesize

        33.6MB

      • memory/4592-29-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/4592-28-0x0000000000400000-0x0000000002599000-memory.dmp

        Filesize

        33.6MB