Analysis

  • max time kernel
    133s
  • max time network
    134s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-04-2024 13:18

General

  • Target

    f49442114e419f35e5ff26df22c640d4d4aad8c365eb7445a4c95e25b681f177.exe

  • Size

    421KB

  • MD5

    79933e52220b6f2c33139bd6d88ac60f

  • SHA1

    95784c90477d3148237340388b9b17a6ec204abc

  • SHA256

    f49442114e419f35e5ff26df22c640d4d4aad8c365eb7445a4c95e25b681f177

  • SHA512

    df9729a0b53ab90f611098dc797afe6b28e1bbc8110655f27ec23304e1df888e88076946d4c638e0f4396e83cc6fe4205d6aba56958430f69a5da8f680f4abd2

  • SSDEEP

    6144:dTEaPApTHrDctwURg7V02yQIeEFqC2yv20gaYngYj7+smQCkhYElq+l:LPGTLIaUEm2yQ7TmzgaAgYj7nhDYyxl

Malware Config

Signatures

  • Buer

    Buer is a new modular loader first seen in August 2019.

  • 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 4 IoCs

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

  • Executes dropped EXE 3 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.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 29 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 7 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f49442114e419f35e5ff26df22c640d4d4aad8c365eb7445a4c95e25b681f177.exe
    "C:\Users\Admin\AppData\Local\Temp\f49442114e419f35e5ff26df22c640d4d4aad8c365eb7445a4c95e25b681f177.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1968
    • C:\Users\Admin\AppData\Local\Temp\u1io.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u1io.0.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2240
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\DAAFBAKECA.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3820
        • C:\Users\Admin\AppData\Local\Temp\DAAFBAKECA.exe
          "C:\Users\Admin\AppData\Local\Temp\DAAFBAKECA.exe"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:1676
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /C ping 2.2.2.2 -n 1 -w 3000 > Nul & Del C:\Users\Admin\AppData\Local\Temp\DAAFBAKECA.exe
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:1340
            • C:\Windows\SysWOW64\PING.EXE
              ping 2.2.2.2 -n 1 -w 3000
              6⤵
              • Runs ping.exe
              PID:3776
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2240 -s 2524
        3⤵
        • Program crash
        PID:2044
    • C:\Users\Admin\AppData\Local\Temp\u1io.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u1io.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:2824
      • 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:4372
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1968 -s 1548
      2⤵
      • Program crash
      PID:2804
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1968 -ip 1968
    1⤵
      PID:4228
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 2240 -ip 2240
      1⤵
        PID:464

      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\DAAFBAKECA.exe

        Filesize

        106KB

        MD5

        fe380780b5c35bd6d54541791151c2be

        SHA1

        7fe3a583cf91474c733f85cebf3c857682e269e1

        SHA256

        b64a84d1f88e4e78464a1901c1cb5bbd5f00bb73203d719e64e072157a087b53

        SHA512

        ba05ba8aa13c4bc1cf98fbf6c08b021e8b19354098e0397fc8e1e5d3dcce367c1063203f24e50d0973193f6535681d0a43486e5dade5d112853b7a2fe8739b6c

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

        Filesize

        3KB

        MD5

        4867e65087b795e788ef4267cf3331cc

        SHA1

        64ae6530349670ab5f262b591f6a15f2fed8b427

        SHA256

        339b693c8323e9ca76f49814f5d843609b82a1c3ff3d35ed13f1391e7e72ccb0

        SHA512

        06f510603ece489e3491b2b4aac45be452b464af1d8cdc5417e4e2b791a4eeb7a73f0497782b1d9ef07af0a4f4ef0b56cec0e9a8042aa03068335cc924440dbd

      • C:\Users\Admin\AppData\Local\Temp\u1io.0.exe

        Filesize

        279KB

        MD5

        de32d8e3d18c6dbb14111038c79bab24

        SHA1

        29aa620c9c064dbdd674b5da573c3536baf3a914

        SHA256

        354350ad814c28ec9dd3ea49850be0e28ce30241cbaefeac6c3d7697e7ce131e

        SHA512

        591ce1c6a8637607d3a3f8147c5389721772345954247b6685701769b2c4bdd36033578481863d1ff4db7ea11634dcfb188d7c6ad74ef5bd28ce16c51fe87a70

      • C:\Users\Admin\AppData\Local\Temp\u1io.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/1676-194-0x0000000000A80000-0x0000000000AA0000-memory.dmp

        Filesize

        128KB

      • memory/1676-195-0x0000000072990000-0x0000000073140000-memory.dmp

        Filesize

        7.7MB

      • memory/1676-199-0x0000000005510000-0x0000000005520000-memory.dmp

        Filesize

        64KB

      • memory/1676-201-0x0000000072990000-0x0000000073140000-memory.dmp

        Filesize

        7.7MB

      • memory/1968-3-0x0000000000400000-0x0000000002D48000-memory.dmp

        Filesize

        41.3MB

      • memory/1968-76-0x0000000000400000-0x0000000002D48000-memory.dmp

        Filesize

        41.3MB

      • memory/1968-81-0x0000000004980000-0x00000000049EC000-memory.dmp

        Filesize

        432KB

      • memory/1968-2-0x0000000004980000-0x00000000049EC000-memory.dmp

        Filesize

        432KB

      • memory/1968-1-0x0000000002E10000-0x0000000002F10000-memory.dmp

        Filesize

        1024KB

      • memory/2240-16-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/2240-141-0x0000000002D90000-0x0000000002E90000-memory.dmp

        Filesize

        1024KB

      • memory/2240-196-0x0000000000400000-0x0000000002D25000-memory.dmp

        Filesize

        41.1MB

      • memory/2240-123-0x0000000000400000-0x0000000002D25000-memory.dmp

        Filesize

        41.1MB

      • memory/2240-15-0x0000000000400000-0x0000000002D25000-memory.dmp

        Filesize

        41.1MB

      • memory/2240-14-0x0000000004970000-0x0000000004997000-memory.dmp

        Filesize

        156KB

      • memory/2240-13-0x0000000002D90000-0x0000000002E90000-memory.dmp

        Filesize

        1024KB

      • memory/2824-137-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2824-138-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2824-124-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2824-65-0x0000000000BB0000-0x0000000000BB1000-memory.dmp

        Filesize

        4KB

      • memory/4372-147-0x00000170B9100000-0x00000170B910A000-memory.dmp

        Filesize

        40KB

      • memory/4372-166-0x00000170DA270000-0x00000170DA798000-memory.dmp

        Filesize

        5.2MB

      • memory/4372-149-0x00000170D4690000-0x00000170D4742000-memory.dmp

        Filesize

        712KB

      • memory/4372-150-0x00000170D42C0000-0x00000170D433A000-memory.dmp

        Filesize

        488KB

      • memory/4372-151-0x00000170D4740000-0x00000170D47A2000-memory.dmp

        Filesize

        392KB

      • memory/4372-152-0x00000170D4820000-0x00000170D4896000-memory.dmp

        Filesize

        472KB

      • memory/4372-153-0x00000170B9110000-0x00000170B911A000-memory.dmp

        Filesize

        40KB

      • memory/4372-157-0x00000170D48A0000-0x00000170D4BA0000-memory.dmp

        Filesize

        3.0MB

      • memory/4372-159-0x00000170B91C0000-0x00000170B91D0000-memory.dmp

        Filesize

        64KB

      • memory/4372-161-0x00000170D8520000-0x00000170D8528000-memory.dmp

        Filesize

        32KB

      • memory/4372-160-0x00000170B91C0000-0x00000170B91D0000-memory.dmp

        Filesize

        64KB

      • memory/4372-162-0x00000170D8C20000-0x00000170D8C58000-memory.dmp

        Filesize

        224KB

      • memory/4372-163-0x00000170D8BF0000-0x00000170D8BFE000-memory.dmp

        Filesize

        56KB

      • memory/4372-164-0x00000170D9D30000-0x00000170D9D3A000-memory.dmp

        Filesize

        40KB

      • memory/4372-165-0x00000170D9AB0000-0x00000170D9AD2000-memory.dmp

        Filesize

        136KB

      • memory/4372-148-0x00000170D4290000-0x00000170D42BA000-memory.dmp

        Filesize

        168KB

      • memory/4372-169-0x00000170D9B20000-0x00000170D9B70000-memory.dmp

        Filesize

        320KB

      • memory/4372-170-0x00000170D9AD0000-0x00000170D9ADC000-memory.dmp

        Filesize

        48KB

      • memory/4372-171-0x00000170D9B70000-0x00000170D9B92000-memory.dmp

        Filesize

        136KB

      • memory/4372-172-0x00000170D9BA0000-0x00000170D9BBE000-memory.dmp

        Filesize

        120KB

      • memory/4372-146-0x00000170BAB30000-0x00000170BAB54000-memory.dmp

        Filesize

        144KB

      • memory/4372-145-0x00000170B91B0000-0x00000170B91C4000-memory.dmp

        Filesize

        80KB

      • memory/4372-143-0x00000170B91A0000-0x00000170B91B0000-memory.dmp

        Filesize

        64KB

      • memory/4372-144-0x00000170BAAC0000-0x00000170BAACC000-memory.dmp

        Filesize

        48KB

      • memory/4372-142-0x00000170D4440000-0x00000170D4550000-memory.dmp

        Filesize

        1.1MB

      • memory/4372-140-0x00000170B5400000-0x00000170B8CF8000-memory.dmp

        Filesize

        57.0MB

      • memory/4372-197-0x00007FF9B1760000-0x00007FF9B2221000-memory.dmp

        Filesize

        10.8MB

      • memory/4372-139-0x00007FF9B1760000-0x00007FF9B2221000-memory.dmp

        Filesize

        10.8MB

      • memory/4372-202-0x00000170B91C0000-0x00000170B91D0000-memory.dmp

        Filesize

        64KB

      • memory/4372-203-0x00000170B91C0000-0x00000170B91D0000-memory.dmp

        Filesize

        64KB

      • memory/4372-204-0x00000170B91C0000-0x00000170B91D0000-memory.dmp

        Filesize

        64KB

      • memory/4372-205-0x00000170B91C0000-0x00000170B91D0000-memory.dmp

        Filesize

        64KB