Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/04/2024, 19:31

General

  • Target

    0c6b7a2cf49329de8e3ebc7d2941f1c72bccbeb6152bf9a31114e2080b8cfea1.exe

  • Size

    359KB

  • MD5

    f1931b4d9177313fe4c9d897ba6587de

  • SHA1

    fa152a1e094c490bf5c1e19233a2170ec484c7d3

  • SHA256

    0c6b7a2cf49329de8e3ebc7d2941f1c72bccbeb6152bf9a31114e2080b8cfea1

  • SHA512

    6a719cd498c64194dc6f24466fcd6169d57a5b1249c3887cf378f26f57f096957113f27ff92f45f5ea70ff2dccbeb4a24816a70d8da7047851490781288d8baf

  • SSDEEP

    6144:1fWROtR8qx4L35RvrUfpeHYTDw1lPn1HPO0zjWy16uwUdgJR/:WOcqWRjhYnAn1HdUGgJR/

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.209

Attributes
  • url_path

    /3cd2b41cbde8fc9c.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 4 IoCs

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

  • Executes dropped EXE 4 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 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 30 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 7 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0c6b7a2cf49329de8e3ebc7d2941f1c72bccbeb6152bf9a31114e2080b8cfea1.exe
    "C:\Users\Admin\AppData\Local\Temp\0c6b7a2cf49329de8e3ebc7d2941f1c72bccbeb6152bf9a31114e2080b8cfea1.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3488
    • C:\Users\Admin\AppData\Local\Temp\u2ow.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u2ow.0.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1064
      • C:\Users\Admin\AppData\Local\Temp\u2ow.0.exe
        "C:\Users\Admin\AppData\Local\Temp\u2ow.0.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4204
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\EGCBFIEHIE.exe"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3400
          • C:\Users\Admin\AppData\Local\Temp\EGCBFIEHIE.exe
            "C:\Users\Admin\AppData\Local\Temp\EGCBFIEHIE.exe"
            5⤵
            • Checks computer location settings
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:3548
            • 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\EGCBFIEHIE.exe
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:4852
              • C:\Windows\SysWOW64\PING.EXE
                ping 2.2.2.2 -n 1 -w 3000
                7⤵
                • Runs ping.exe
                PID:4192
    • C:\Users\Admin\AppData\Local\Temp\u2ow.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u2ow.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:4972
      • 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:536
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3488 -s 1152
      2⤵
      • Program crash
      PID:3688
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3488 -ip 3488
    1⤵
      PID:1852

    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\EGCBFIEHIE.exe

            Filesize

            106KB

            MD5

            fe380780b5c35bd6d54541791151c2be

            SHA1

            7fe3a583cf91474c733f85cebf3c857682e269e1

            SHA256

            b64a84d1f88e4e78464a1901c1cb5bbd5f00bb73203d719e64e072157a087b53

            SHA512

            ba05ba8aa13c4bc1cf98fbf6c08b021e8b19354098e0397fc8e1e5d3dcce367c1063203f24e50d0973193f6535681d0a43486e5dade5d112853b7a2fe8739b6c

          • C:\Users\Admin\AppData\Local\Temp\u2ow.0.exe

            Filesize

            218KB

            MD5

            d5c49c1b1b8aa29d96ccaff99220b22d

            SHA1

            b3007a10768a121508058cec4000b43f43a83c87

            SHA256

            08ed655a07c31fd918bf8dea962f1a6a6c69558c3f9cfd60b9f88f4227c5e020

            SHA512

            32d9212d7d3d0d5b43572e92096f879a6e9432c776a1ebd599d1a8c25b686d6823fce1686c7bd7f758867c661a560b4a111820078c096b46f915061630fcfbb2

          • C:\Users\Admin\AppData\Local\Temp\u2ow.1.exe

            Filesize

            4.6MB

            MD5

            397926927bca55be4a77839b1c44de6e

            SHA1

            e10f3434ef3021c399dbba047832f02b3c898dbd

            SHA256

            4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

            SHA512

            cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

          • memory/536-178-0x000002CC7D470000-0x000002CC7D492000-memory.dmp

            Filesize

            136KB

          • memory/536-125-0x000002CC1A120000-0x000002CC1A134000-memory.dmp

            Filesize

            80KB

          • memory/536-200-0x000002CC1B170000-0x000002CC1B180000-memory.dmp

            Filesize

            64KB

          • memory/536-194-0x000002CC1B170000-0x000002CC1B180000-memory.dmp

            Filesize

            64KB

          • memory/536-193-0x000002CC1B170000-0x000002CC1B180000-memory.dmp

            Filesize

            64KB

          • memory/536-192-0x000002CC1B170000-0x000002CC1B180000-memory.dmp

            Filesize

            64KB

          • memory/536-191-0x00007FF9426B0000-0x00007FF943171000-memory.dmp

            Filesize

            10.8MB

          • memory/536-179-0x000002CC7D4F0000-0x000002CC7D50E000-memory.dmp

            Filesize

            120KB

          • memory/536-172-0x000002CC7D5B0000-0x000002CC7D600000-memory.dmp

            Filesize

            320KB

          • memory/536-173-0x000002CC1FBF0000-0x000002CC1FBFC000-memory.dmp

            Filesize

            48KB

          • memory/536-169-0x000002CC20F30000-0x000002CC21458000-memory.dmp

            Filesize

            5.2MB

          • memory/536-167-0x000002CC1FBC0000-0x000002CC1FBCA000-memory.dmp

            Filesize

            40KB

          • memory/536-116-0x00007FF9426B0000-0x00007FF943171000-memory.dmp

            Filesize

            10.8MB

          • memory/536-120-0x000002CC79810000-0x000002CC7D108000-memory.dmp

            Filesize

            57.0MB

          • memory/536-121-0x000002CC1B170000-0x000002CC1B180000-memory.dmp

            Filesize

            64KB

          • memory/536-122-0x000002CC1B440000-0x000002CC1B550000-memory.dmp

            Filesize

            1.1MB

          • memory/536-124-0x000002CC1B0D0000-0x000002CC1B0DC000-memory.dmp

            Filesize

            48KB

          • memory/536-123-0x000002CC1A140000-0x000002CC1A150000-memory.dmp

            Filesize

            64KB

          • memory/536-162-0x000002CC7D4B0000-0x000002CC7D4E8000-memory.dmp

            Filesize

            224KB

          • memory/536-126-0x000002CC1B120000-0x000002CC1B144000-memory.dmp

            Filesize

            144KB

          • memory/536-130-0x000002CC1B140000-0x000002CC1B14A000-memory.dmp

            Filesize

            40KB

          • memory/536-132-0x000002CC1B690000-0x000002CC1B742000-memory.dmp

            Filesize

            712KB

          • memory/536-131-0x000002CC1B2A0000-0x000002CC1B2CA000-memory.dmp

            Filesize

            168KB

          • memory/536-133-0x000002CC1B740000-0x000002CC1B7BA000-memory.dmp

            Filesize

            488KB

          • memory/536-134-0x000002CC1B2D0000-0x000002CC1B332000-memory.dmp

            Filesize

            392KB

          • memory/536-135-0x000002CC7D530000-0x000002CC7D5A6000-memory.dmp

            Filesize

            472KB

          • memory/536-136-0x000002CC1B150000-0x000002CC1B15A000-memory.dmp

            Filesize

            40KB

          • memory/536-143-0x000002CC1B7C0000-0x000002CC1BAC0000-memory.dmp

            Filesize

            3.0MB

          • memory/536-166-0x000002CC7D260000-0x000002CC7D26E000-memory.dmp

            Filesize

            56KB

          • memory/536-168-0x000002CC1FBD0000-0x000002CC1FBF2000-memory.dmp

            Filesize

            136KB

          • memory/536-160-0x000002CC7D250000-0x000002CC7D258000-memory.dmp

            Filesize

            32KB

          • memory/536-158-0x000002CC1B170000-0x000002CC1B180000-memory.dmp

            Filesize

            64KB

          • memory/536-161-0x000002CC1B170000-0x000002CC1B180000-memory.dmp

            Filesize

            64KB

          • memory/536-159-0x000002CC1B170000-0x000002CC1B180000-memory.dmp

            Filesize

            64KB

          • memory/1064-17-0x0000000002DD0000-0x0000000002DF7000-memory.dmp

            Filesize

            156KB

          • memory/1064-14-0x0000000002E30000-0x0000000002F30000-memory.dmp

            Filesize

            1024KB

          • memory/3488-2-0x0000000002D00000-0x0000000002D6C000-memory.dmp

            Filesize

            432KB

          • memory/3488-3-0x0000000000400000-0x0000000002B83000-memory.dmp

            Filesize

            39.5MB

          • memory/3488-57-0x0000000000400000-0x0000000002B83000-memory.dmp

            Filesize

            39.5MB

          • memory/3488-1-0x0000000002DE0000-0x0000000002EE0000-memory.dmp

            Filesize

            1024KB

          • memory/3488-65-0x0000000002D00000-0x0000000002D6C000-memory.dmp

            Filesize

            432KB

          • memory/3548-215-0x00000000749C0000-0x0000000075170000-memory.dmp

            Filesize

            7.7MB

          • memory/3548-212-0x0000000004D60000-0x0000000004D70000-memory.dmp

            Filesize

            64KB

          • memory/3548-210-0x00000000003E0000-0x0000000000400000-memory.dmp

            Filesize

            128KB

          • memory/3548-211-0x00000000749C0000-0x0000000075170000-memory.dmp

            Filesize

            7.7MB

          • memory/4204-205-0x0000000000400000-0x000000000063B000-memory.dmp

            Filesize

            2.2MB

          • memory/4204-189-0x0000000000400000-0x000000000063B000-memory.dmp

            Filesize

            2.2MB

          • memory/4204-95-0x0000000000400000-0x000000000063B000-memory.dmp

            Filesize

            2.2MB

          • memory/4204-13-0x0000000000400000-0x000000000063B000-memory.dmp

            Filesize

            2.2MB

          • memory/4204-19-0x0000000000400000-0x000000000063B000-memory.dmp

            Filesize

            2.2MB

          • memory/4204-201-0x0000000000400000-0x000000000063B000-memory.dmp

            Filesize

            2.2MB

          • memory/4204-109-0x0000000000400000-0x000000000063B000-memory.dmp

            Filesize

            2.2MB

          • memory/4204-33-0x0000000061E00000-0x0000000061EF3000-memory.dmp

            Filesize

            972KB

          • memory/4204-157-0x0000000000400000-0x000000000063B000-memory.dmp

            Filesize

            2.2MB

          • memory/4204-18-0x0000000000400000-0x000000000063B000-memory.dmp

            Filesize

            2.2MB

          • memory/4972-96-0x0000000000400000-0x00000000008AD000-memory.dmp

            Filesize

            4.7MB

          • memory/4972-30-0x00000000028E0000-0x00000000028E1000-memory.dmp

            Filesize

            4KB

          • memory/4972-115-0x0000000000400000-0x00000000008AD000-memory.dmp

            Filesize

            4.7MB