Analysis

  • max time kernel
    147s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240221-en
  • resource tags

    arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    07-04-2024 22:59

General

  • Target

    21ce3c49defce496a8a0a0cf5d64f41db855def8e92fa51eb216610720050ad4.exe

  • Size

    505KB

  • MD5

    e2123224248f06beb3a00a46b5fa49dd

  • SHA1

    074690f6756106f383eef9d051f707c7e95b9b32

  • SHA256

    21ce3c49defce496a8a0a0cf5d64f41db855def8e92fa51eb216610720050ad4

  • SHA512

    1d9b1f596cb5e78af1d9b0a5627a3000e57cd27b7163243da751f1a98735ad562eb09cf05fcb588373ebe4bf4eeb598b4dec3db42add1a7919f5fbff7f1bf9a4

  • SSDEEP

    6144:jre8uT58rY642SGXvDAgRGe9xEbdHAXnzAMubnYlxhNWG/wRiTIeVf+Utz8:jqx58rYSdke+mnz5sCNT/vXVfnh8

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
  • 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 21 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 7 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\21ce3c49defce496a8a0a0cf5d64f41db855def8e92fa51eb216610720050ad4.exe
    "C:\Users\Admin\AppData\Local\Temp\21ce3c49defce496a8a0a0cf5d64f41db855def8e92fa51eb216610720050ad4.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4368
    • C:\Users\Admin\AppData\Local\Temp\u3dc.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u3dc.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4420
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\CFCFCAAAAF.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1632
        • C:\Users\Admin\AppData\Local\Temp\CFCFCAAAAF.exe
          "C:\Users\Admin\AppData\Local\Temp\CFCFCAAAAF.exe"
          4⤵
          • Executes dropped EXE
          PID:1992
          • 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\CFCFCAAAAF.exe
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:2692
            • C:\Windows\SysWOW64\PING.EXE
              ping 2.2.2.2 -n 1 -w 3000
              6⤵
              • Runs ping.exe
              PID:436
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4420 -s 2596
        3⤵
        • Program crash
        PID:4808
    • C:\Users\Admin\AppData\Local\Temp\u3dc.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u3dc.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1404
      • 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:3496
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4368 -s 1604
      2⤵
      • Program crash
      PID:2976
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4368 -ip 4368
    1⤵
      PID:2428
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4420 -ip 4420
      1⤵
        PID:832

      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\CFCFCAAAAF.exe

        Filesize

        106KB

        MD5

        fe380780b5c35bd6d54541791151c2be

        SHA1

        7fe3a583cf91474c733f85cebf3c857682e269e1

        SHA256

        b64a84d1f88e4e78464a1901c1cb5bbd5f00bb73203d719e64e072157a087b53

        SHA512

        ba05ba8aa13c4bc1cf98fbf6c08b021e8b19354098e0397fc8e1e5d3dcce367c1063203f24e50d0973193f6535681d0a43486e5dade5d112853b7a2fe8739b6c

      • C:\Users\Admin\AppData\Local\Temp\u3dc.0.exe

        Filesize

        309KB

        MD5

        f2b7659371eecb4d8b7c08506eb9c9fd

        SHA1

        1bf4395884a5abe31ea417c2c09c6fcf006e4c14

        SHA256

        6fc36b8c227db7dd12779478f486f6e73bc4c66333a66bc8ece2053a3d0574db

        SHA512

        54d0ca489284019dd212815cb541c0bd644f918e1a02184971f73c323c441977c7651a1090efe9c4f2566ab6c665fbd267d56f73af6028e9c694dac793cc6eda

      • C:\Users\Admin\AppData\Local\Temp\u3dc.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/1404-48-0x0000000002770000-0x0000000002771000-memory.dmp

        Filesize

        4KB

      • memory/1404-140-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/1404-128-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/3496-154-0x00000251248C0000-0x0000025124922000-memory.dmp

        Filesize

        392KB

      • memory/3496-160-0x0000025124A20000-0x0000025124D20000-memory.dmp

        Filesize

        3.0MB

      • memory/3496-199-0x000002510B950000-0x000002510B960000-memory.dmp

        Filesize

        64KB

      • memory/3496-198-0x000002510B950000-0x000002510B960000-memory.dmp

        Filesize

        64KB

      • memory/3496-197-0x000002510B950000-0x000002510B960000-memory.dmp

        Filesize

        64KB

      • memory/3496-196-0x000002510B950000-0x000002510B960000-memory.dmp

        Filesize

        64KB

      • memory/3496-195-0x00007FFB44F70000-0x00007FFB45A32000-memory.dmp

        Filesize

        10.8MB

      • memory/3496-183-0x0000025124E40000-0x0000025124E5E000-memory.dmp

        Filesize

        120KB

      • memory/3496-141-0x00007FFB44F70000-0x00007FFB45A32000-memory.dmp

        Filesize

        10.8MB

      • memory/3496-143-0x0000025106440000-0x0000025109D38000-memory.dmp

        Filesize

        57.0MB

      • memory/3496-144-0x000002510B950000-0x000002510B960000-memory.dmp

        Filesize

        64KB

      • memory/3496-145-0x00000251244F0000-0x0000025124600000-memory.dmp

        Filesize

        1.1MB

      • memory/3496-146-0x000002510B970000-0x000002510B980000-memory.dmp

        Filesize

        64KB

      • memory/3496-147-0x0000025124330000-0x000002512433C000-memory.dmp

        Filesize

        48KB

      • memory/3496-148-0x0000025124320000-0x0000025124334000-memory.dmp

        Filesize

        80KB

      • memory/3496-149-0x0000025124390000-0x00000251243B4000-memory.dmp

        Filesize

        144KB

      • memory/3496-150-0x00000251243C0000-0x00000251243CA000-memory.dmp

        Filesize

        40KB

      • memory/3496-152-0x0000025124790000-0x0000025124842000-memory.dmp

        Filesize

        712KB

      • memory/3496-155-0x00000251249A0000-0x0000025124A16000-memory.dmp

        Filesize

        472KB

      • memory/3496-181-0x0000025129500000-0x0000025129522000-memory.dmp

        Filesize

        136KB

      • memory/3496-153-0x0000025124840000-0x00000251248BA000-memory.dmp

        Filesize

        488KB

      • memory/3496-156-0x000002510BA30000-0x000002510BA3A000-memory.dmp

        Filesize

        40KB

      • memory/3496-151-0x0000025124760000-0x000002512478A000-memory.dmp

        Filesize

        168KB

      • memory/3496-174-0x00000251294B0000-0x0000025129500000-memory.dmp

        Filesize

        320KB

      • memory/3496-163-0x000002510B950000-0x000002510B960000-memory.dmp

        Filesize

        64KB

      • memory/3496-165-0x00000251286C0000-0x00000251286C8000-memory.dmp

        Filesize

        32KB

      • memory/3496-168-0x0000025128D90000-0x0000025128D9E000-memory.dmp

        Filesize

        56KB

      • memory/3496-167-0x0000025128DC0000-0x0000025128DF8000-memory.dmp

        Filesize

        224KB

      • memory/3496-170-0x00000251296E0000-0x0000025129702000-memory.dmp

        Filesize

        136KB

      • memory/3496-169-0x0000025128E40000-0x0000025128E4A000-memory.dmp

        Filesize

        40KB

      • memory/3496-166-0x000002510B950000-0x000002510B960000-memory.dmp

        Filesize

        64KB

      • memory/3496-164-0x000002510B950000-0x000002510B960000-memory.dmp

        Filesize

        64KB

      • memory/3496-176-0x000002510B950000-0x000002510B960000-memory.dmp

        Filesize

        64KB

      • memory/3496-171-0x0000025129C30000-0x000002512A158000-memory.dmp

        Filesize

        5.2MB

      • memory/3496-175-0x0000025129460000-0x000002512946C000-memory.dmp

        Filesize

        48KB

      • memory/4368-71-0x0000000002310000-0x000000000237C000-memory.dmp

        Filesize

        432KB

      • memory/4368-1-0x0000000000770000-0x0000000000870000-memory.dmp

        Filesize

        1024KB

      • memory/4368-2-0x0000000002310000-0x000000000237C000-memory.dmp

        Filesize

        432KB

      • memory/4368-3-0x0000000000400000-0x000000000048D000-memory.dmp

        Filesize

        564KB

      • memory/4368-70-0x0000000000400000-0x000000000048D000-memory.dmp

        Filesize

        564KB

      • memory/4420-162-0x0000000000710000-0x0000000000810000-memory.dmp

        Filesize

        1024KB

      • memory/4420-14-0x0000000002340000-0x0000000002367000-memory.dmp

        Filesize

        156KB

      • memory/4420-190-0x0000000000400000-0x000000000063B000-memory.dmp

        Filesize

        2.2MB

      • memory/4420-13-0x0000000000710000-0x0000000000810000-memory.dmp

        Filesize

        1024KB

      • memory/4420-127-0x0000000000400000-0x000000000063B000-memory.dmp

        Filesize

        2.2MB

      • memory/4420-15-0x0000000000400000-0x000000000063B000-memory.dmp

        Filesize

        2.2MB

      • memory/4420-16-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB