Analysis

  • max time kernel
    149s
  • max time network
    156s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240319-en
  • resource tags

    arch:x64arch:x86image:win11-20240319-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    07-04-2024 16:33

General

  • Target

    fb422f86bffa6e7f7ecc83b76eca324079d560f621608c436323ce3bb2603506.exe

  • Size

    478KB

  • MD5

    abc237193d197f1bf9fa706feba2f769

  • SHA1

    bef4290076738e77cf091d0b590f62f856f0c529

  • SHA256

    fb422f86bffa6e7f7ecc83b76eca324079d560f621608c436323ce3bb2603506

  • SHA512

    2a6b256a49cbe038bce710aeba4574be756043b82728a8f91efc3d7efc29cb1e0263bb77d59657553f46a2769c551491d23e0273c5f62618eb539744c5ac7b95

  • SSDEEP

    6144:7BSBKD7+zBBet1F68/0kyy6sQU9HwdrQH315DG67gqlcS3EO+eVf+oX:NS+qN58Iy6sQUhssfiQ3dEOhVflX

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 25 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\fb422f86bffa6e7f7ecc83b76eca324079d560f621608c436323ce3bb2603506.exe
    "C:\Users\Admin\AppData\Local\Temp\fb422f86bffa6e7f7ecc83b76eca324079d560f621608c436323ce3bb2603506.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2756
    • C:\Users\Admin\AppData\Local\Temp\u24k.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u24k.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1624
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\JKKEBGCGHI.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1948
        • C:\Users\Admin\AppData\Local\Temp\JKKEBGCGHI.exe
          "C:\Users\Admin\AppData\Local\Temp\JKKEBGCGHI.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:892
          • 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\JKKEBGCGHI.exe
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:4476
            • C:\Windows\SysWOW64\PING.EXE
              ping 2.2.2.2 -n 1 -w 3000
              6⤵
              • Runs ping.exe
              PID:1980
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1624 -s 2444
        3⤵
        • Program crash
        PID:2248
    • C:\Users\Admin\AppData\Local\Temp\u24k.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u24k.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:4572
      • 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:4468
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2756 -s 1164
      2⤵
      • Program crash
      PID:2564
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2756 -ip 2756
    1⤵
      PID:2240
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 1624 -ip 1624
      1⤵
        PID:2644

      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\JKKEBGCGHI.exe

        Filesize

        106KB

        MD5

        fe380780b5c35bd6d54541791151c2be

        SHA1

        7fe3a583cf91474c733f85cebf3c857682e269e1

        SHA256

        b64a84d1f88e4e78464a1901c1cb5bbd5f00bb73203d719e64e072157a087b53

        SHA512

        ba05ba8aa13c4bc1cf98fbf6c08b021e8b19354098e0397fc8e1e5d3dcce367c1063203f24e50d0973193f6535681d0a43486e5dade5d112853b7a2fe8739b6c

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

        Filesize

        3KB

        MD5

        1afd2abc18a612dc3da4939e89300cf1

        SHA1

        868669532d57e2fbdbba9166bd7e5de64bb5270a

        SHA256

        ad4550a80e40c68c8616af05b2b119f520a02a0b7f780f9bfcf358214137c959

        SHA512

        f45d4105407b754c0553a1d09471f496cd365f9189af5665cbd41560b82cdf626e8a7982df37c5e89f855137a30dcb4185b27a9607c76e44c7b36e482010661b

      • C:\Users\Admin\AppData\Local\Temp\u24k.0.exe

        Filesize

        306KB

        MD5

        f5159a00a090d5e99b53d41c6ac41dd3

        SHA1

        295db898d608960df27d5027a721fd44cbd00580

        SHA256

        cce1accced0a4d91966c96752c101eefe1dba629c8b5ec58eefc5408c881f110

        SHA512

        29aac3010b80287809784305493683461402c9484812a74e166418b75af6b9f59d49818bd46cd8c6c1e61204d951a0d3cf7db038bbd4d9c990da836bd7942cf4

      • C:\Users\Admin\AppData\Local\Temp\u24k.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/892-155-0x0000000004EB0000-0x0000000004EC0000-memory.dmp

        Filesize

        64KB

      • memory/892-151-0x0000000071C80000-0x0000000072431000-memory.dmp

        Filesize

        7.7MB

      • memory/892-158-0x0000000071C80000-0x0000000072431000-memory.dmp

        Filesize

        7.7MB

      • memory/892-150-0x0000000000290000-0x00000000002B0000-memory.dmp

        Filesize

        128KB

      • memory/1624-35-0x0000000000400000-0x0000000002B77000-memory.dmp

        Filesize

        39.5MB

      • memory/1624-101-0x0000000000400000-0x0000000002B77000-memory.dmp

        Filesize

        39.5MB

      • memory/1624-38-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/1624-29-0x00000000048B0000-0x00000000048D7000-memory.dmp

        Filesize

        156KB

      • memory/1624-28-0x0000000002DF0000-0x0000000002EF0000-memory.dmp

        Filesize

        1024KB

      • memory/1624-152-0x0000000000400000-0x0000000002B77000-memory.dmp

        Filesize

        39.5MB

      • memory/2756-1-0x0000000002E40000-0x0000000002F40000-memory.dmp

        Filesize

        1024KB

      • memory/2756-37-0x0000000004A20000-0x0000000004A8C000-memory.dmp

        Filesize

        432KB

      • memory/2756-34-0x0000000000400000-0x0000000002BA2000-memory.dmp

        Filesize

        39.6MB

      • memory/2756-3-0x0000000000400000-0x0000000002BA2000-memory.dmp

        Filesize

        39.6MB

      • memory/2756-2-0x0000000004A20000-0x0000000004A8C000-memory.dmp

        Filesize

        432KB

      • memory/4468-163-0x000001BBEC8E0000-0x000001BBEC9F0000-memory.dmp

        Filesize

        1.1MB

      • memory/4468-174-0x000001BBD3DE0000-0x000001BBD3DEA000-memory.dmp

        Filesize

        40KB

      • memory/4468-198-0x000001BBEC7D0000-0x000001BBEC7E0000-memory.dmp

        Filesize

        64KB

      • memory/4468-160-0x00007FF822F20000-0x00007FF8239E2000-memory.dmp

        Filesize

        10.8MB

      • memory/4468-161-0x000001BBCE810000-0x000001BBD2108000-memory.dmp

        Filesize

        57.0MB

      • memory/4468-162-0x000001BBEC7D0000-0x000001BBEC7E0000-memory.dmp

        Filesize

        64KB

      • memory/4468-197-0x000001BBEC7D0000-0x000001BBEC7E0000-memory.dmp

        Filesize

        64KB

      • memory/4468-164-0x000001BBD3E00000-0x000001BBD3E10000-memory.dmp

        Filesize

        64KB

      • memory/4468-165-0x000001BBD3E20000-0x000001BBD3E2C000-memory.dmp

        Filesize

        48KB

      • memory/4468-166-0x000001BBD3E10000-0x000001BBD3E24000-memory.dmp

        Filesize

        80KB

      • memory/4468-167-0x000001BBEC750000-0x000001BBEC774000-memory.dmp

        Filesize

        144KB

      • memory/4468-168-0x000001BBEC790000-0x000001BBEC79A000-memory.dmp

        Filesize

        40KB

      • memory/4468-169-0x000001BBECB40000-0x000001BBECBF2000-memory.dmp

        Filesize

        712KB

      • memory/4468-170-0x000001BBECBF0000-0x000001BBECC1A000-memory.dmp

        Filesize

        168KB

      • memory/4468-171-0x000001BBECC20000-0x000001BBECC9A000-memory.dmp

        Filesize

        488KB

      • memory/4468-172-0x000001BBECCA0000-0x000001BBECD02000-memory.dmp

        Filesize

        392KB

      • memory/4468-173-0x000001BBECD80000-0x000001BBECDF6000-memory.dmp

        Filesize

        472KB

      • memory/4468-196-0x000001BBEC7D0000-0x000001BBEC7E0000-memory.dmp

        Filesize

        64KB

      • memory/4468-178-0x000001BBECE00000-0x000001BBED100000-memory.dmp

        Filesize

        3.0MB

      • memory/4468-180-0x000001BBEC7D0000-0x000001BBEC7E0000-memory.dmp

        Filesize

        64KB

      • memory/4468-182-0x000001BBF1800000-0x000001BBF1808000-memory.dmp

        Filesize

        32KB

      • memory/4468-181-0x000001BBEC7D0000-0x000001BBEC7E0000-memory.dmp

        Filesize

        64KB

      • memory/4468-183-0x000001BBF1140000-0x000001BBF1178000-memory.dmp

        Filesize

        224KB

      • memory/4468-184-0x000001BBF1110000-0x000001BBF111E000-memory.dmp

        Filesize

        56KB

      • memory/4468-185-0x000001BBF1810000-0x000001BBF181A000-memory.dmp

        Filesize

        40KB

      • memory/4468-186-0x000001BBF1830000-0x000001BBF1852000-memory.dmp

        Filesize

        136KB

      • memory/4468-187-0x000001BBF1D90000-0x000001BBF22B8000-memory.dmp

        Filesize

        5.2MB

      • memory/4468-191-0x000001BBF1850000-0x000001BBF185C000-memory.dmp

        Filesize

        48KB

      • memory/4468-190-0x000001BBF18A0000-0x000001BBF18F0000-memory.dmp

        Filesize

        320KB

      • memory/4468-192-0x000001BBF1B70000-0x000001BBF1B92000-memory.dmp

        Filesize

        136KB

      • memory/4468-193-0x000001BBF1BA0000-0x000001BBF1BBE000-memory.dmp

        Filesize

        120KB

      • memory/4468-195-0x00007FF822F20000-0x00007FF8239E2000-memory.dmp

        Filesize

        10.8MB

      • memory/4572-142-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/4572-23-0x00000000029B0000-0x00000000029B1000-memory.dmp

        Filesize

        4KB

      • memory/4572-159-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB