Analysis

  • max time kernel
    147s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-04-2024 16:50

General

  • Target

    ab0b741be898c70a185c8785aff9e105c15d7870dfd9d522d81ad103fbf829b3.exe

  • Size

    454KB

  • MD5

    ae2c763605c0f81e96e3704d183f08d9

  • SHA1

    1dd3665d39954f505f29cd9e815a780ec46274a6

  • SHA256

    ab0b741be898c70a185c8785aff9e105c15d7870dfd9d522d81ad103fbf829b3

  • SHA512

    fc5df1f7941330af9e6ee660c3673119b1b5b53b580cf0ea21cbde055d7b7345c3ea4487fbaba47582907874b07c6d79a6f5ace2533f542108de11e907589d5b

  • SSDEEP

    12288:2iB9S1zi63i/LYjQogh7cz3EP4Fn4IWneiS6b:2irSI63iTYkogh4DlKrb

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 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 27 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\ab0b741be898c70a185c8785aff9e105c15d7870dfd9d522d81ad103fbf829b3.exe
    "C:\Users\Admin\AppData\Local\Temp\ab0b741be898c70a185c8785aff9e105c15d7870dfd9d522d81ad103fbf829b3.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1224
    • C:\Users\Admin\AppData\Local\Temp\uy0.0.exe
      "C:\Users\Admin\AppData\Local\Temp\uy0.0.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:1228
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\BGDBAKFCFH.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1624
        • C:\Users\Admin\AppData\Local\Temp\BGDBAKFCFH.exe
          "C:\Users\Admin\AppData\Local\Temp\BGDBAKFCFH.exe"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:1904
          • 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\BGDBAKFCFH.exe
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:2876
            • C:\Windows\SysWOW64\PING.EXE
              ping 2.2.2.2 -n 1 -w 3000
              6⤵
              • Runs ping.exe
              PID:1220
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1228 -s 2356
        3⤵
        • Program crash
        PID:4364
    • C:\Users\Admin\AppData\Local\Temp\uy0.1.exe
      "C:\Users\Admin\AppData\Local\Temp\uy0.1.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:3700
      • 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:2404
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1224 -s 1428
      2⤵
      • Program crash
      PID:4400
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1224 -ip 1224
    1⤵
      PID:2484
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1228 -ip 1228
      1⤵
        PID:3520

      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\BGDBAKFCFH.exe

        Filesize

        106KB

        MD5

        fe380780b5c35bd6d54541791151c2be

        SHA1

        7fe3a583cf91474c733f85cebf3c857682e269e1

        SHA256

        b64a84d1f88e4e78464a1901c1cb5bbd5f00bb73203d719e64e072157a087b53

        SHA512

        ba05ba8aa13c4bc1cf98fbf6c08b021e8b19354098e0397fc8e1e5d3dcce367c1063203f24e50d0973193f6535681d0a43486e5dade5d112853b7a2fe8739b6c

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

        Filesize

        2KB

        MD5

        7046630d0769eff6c2fb044f144b6487

        SHA1

        cd445ba41bf86ff6962299c855afcf2b88ac68ff

        SHA256

        41a0198b78422c386891ba023e3a33aeceaa99bd92c21b92809be8d90bf176be

        SHA512

        9da50a896b8968872ddf52a39bb2f594340b2e07171953c398a259afa67036d1ab1a1cbacd0b999f38522d115e75720787b2adf3a1c4e7e76c8166f091b1ccae

      • C:\Users\Admin\AppData\Local\Temp\uy0.0.exe

        Filesize

        312KB

        MD5

        12d374f5d55dc469aee06c9cd50e9e61

        SHA1

        8e3af58dcf5c3da96b4c984d94b2ce19c6fef1eb

        SHA256

        fd91ac27792d0f75969dbba3bfa91ec6aa025bdf4b3f2e5e35bc7b22551e14d7

        SHA512

        f6b56036a0383e17bde7e6563b0a1316bd650ec6e1836584e72e647b1de22728602b180e885e10c6dc9390aa7d12bdfa78574781466a2c5301674317143e5408

      • C:\Users\Admin\AppData\Local\Temp\uy0.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/1224-4-0x0000000000400000-0x0000000002B9C000-memory.dmp

        Filesize

        39.6MB

      • memory/1224-3-0x0000000000400000-0x0000000002B9C000-memory.dmp

        Filesize

        39.6MB

      • memory/1224-2-0x0000000004810000-0x000000000487C000-memory.dmp

        Filesize

        432KB

      • memory/1224-33-0x0000000000400000-0x0000000002B9C000-memory.dmp

        Filesize

        39.6MB

      • memory/1224-1-0x0000000002D70000-0x0000000002E70000-memory.dmp

        Filesize

        1024KB

      • memory/1224-72-0x0000000004810000-0x000000000487C000-memory.dmp

        Filesize

        432KB

      • memory/1228-38-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/1228-188-0x0000000002DE0000-0x0000000002EE0000-memory.dmp

        Filesize

        1024KB

      • memory/1228-88-0x0000000000400000-0x0000000002B79000-memory.dmp

        Filesize

        39.5MB

      • memory/1228-29-0x0000000002DE0000-0x0000000002EE0000-memory.dmp

        Filesize

        1024KB

      • memory/1228-30-0x0000000002CF0000-0x0000000002D17000-memory.dmp

        Filesize

        156KB

      • memory/1228-136-0x0000000000400000-0x0000000002B79000-memory.dmp

        Filesize

        39.5MB

      • memory/1228-184-0x0000000000400000-0x0000000002B79000-memory.dmp

        Filesize

        39.5MB

      • memory/1228-32-0x0000000000400000-0x0000000002B79000-memory.dmp

        Filesize

        39.5MB

      • memory/1228-153-0x0000000000400000-0x0000000002B79000-memory.dmp

        Filesize

        39.5MB

      • memory/1904-193-0x0000000072700000-0x0000000072EB0000-memory.dmp

        Filesize

        7.7MB

      • memory/1904-177-0x0000000072700000-0x0000000072EB0000-memory.dmp

        Filesize

        7.7MB

      • memory/1904-185-0x00000000053B0000-0x00000000053C0000-memory.dmp

        Filesize

        64KB

      • memory/1904-175-0x0000000000BC0000-0x0000000000BE0000-memory.dmp

        Filesize

        128KB

      • memory/2404-197-0x000001FBE0330000-0x000001FBE0352000-memory.dmp

        Filesize

        136KB

      • memory/2404-209-0x000001FBDF710000-0x000001FBDF720000-memory.dmp

        Filesize

        64KB

      • memory/2404-160-0x000001FBC4760000-0x000001FBC4770000-memory.dmp

        Filesize

        64KB

      • memory/2404-162-0x000001FBC5FB0000-0x000001FBC5FC4000-memory.dmp

        Filesize

        80KB

      • memory/2404-166-0x000001FBC6110000-0x000001FBC6134000-memory.dmp

        Filesize

        144KB

      • memory/2404-167-0x000001FBDF6B0000-0x000001FBDF6BA000-memory.dmp

        Filesize

        40KB

      • memory/2404-210-0x000001FBDF710000-0x000001FBDF720000-memory.dmp

        Filesize

        64KB

      • memory/2404-172-0x000001FBDFCE0000-0x000001FBDFD92000-memory.dmp

        Filesize

        712KB

      • memory/2404-187-0x000001FBDF710000-0x000001FBDF720000-memory.dmp

        Filesize

        64KB

      • memory/2404-171-0x000001FBDF6D0000-0x000001FBDF6FA000-memory.dmp

        Filesize

        168KB

      • memory/2404-174-0x000001FBDFA10000-0x000001FBDFA72000-memory.dmp

        Filesize

        392KB

      • memory/2404-159-0x000001FBDFA90000-0x000001FBDFBA0000-memory.dmp

        Filesize

        1.1MB

      • memory/2404-176-0x000001FBDFE90000-0x000001FBDFF06000-memory.dmp

        Filesize

        472KB

      • memory/2404-157-0x000001FBDF710000-0x000001FBDF720000-memory.dmp

        Filesize

        64KB

      • memory/2404-178-0x000001FBC5F90000-0x000001FBC5F9A000-memory.dmp

        Filesize

        40KB

      • memory/2404-182-0x000001FBDFF10000-0x000001FBE0210000-memory.dmp

        Filesize

        3.0MB

      • memory/2404-150-0x000001FBC0A40000-0x000001FBC4338000-memory.dmp

        Filesize

        57.0MB

      • memory/2404-191-0x000001FBDF710000-0x000001FBDF720000-memory.dmp

        Filesize

        64KB

      • memory/2404-173-0x000001FBDFD90000-0x000001FBDFE0A000-memory.dmp

        Filesize

        488KB

      • memory/2404-161-0x000001FBC5FC0000-0x000001FBC5FCC000-memory.dmp

        Filesize

        48KB

      • memory/2404-195-0x000001FBE0260000-0x000001FBE026E000-memory.dmp

        Filesize

        56KB

      • memory/2404-192-0x000001FBDF710000-0x000001FBDF720000-memory.dmp

        Filesize

        64KB

      • memory/2404-208-0x000001FBDF710000-0x000001FBDF720000-memory.dmp

        Filesize

        64KB

      • memory/2404-207-0x000001FBDF710000-0x000001FBDF720000-memory.dmp

        Filesize

        64KB

      • memory/2404-194-0x000001FBE0290000-0x000001FBE02C8000-memory.dmp

        Filesize

        224KB

      • memory/2404-190-0x000001FBE48D0000-0x000001FBE48D8000-memory.dmp

        Filesize

        32KB

      • memory/2404-196-0x000001FBE0320000-0x000001FBE032A000-memory.dmp

        Filesize

        40KB

      • memory/2404-151-0x00007FF9C0550000-0x00007FF9C1011000-memory.dmp

        Filesize

        10.8MB

      • memory/2404-198-0x000001FBE5610000-0x000001FBE5B38000-memory.dmp

        Filesize

        5.2MB

      • memory/2404-201-0x000001FBE03A0000-0x000001FBE03F0000-memory.dmp

        Filesize

        320KB

      • memory/2404-202-0x000001FBE0350000-0x000001FBE035C000-memory.dmp

        Filesize

        48KB

      • memory/2404-203-0x000001FBE03F0000-0x000001FBE0412000-memory.dmp

        Filesize

        136KB

      • memory/2404-204-0x000001FBE0420000-0x000001FBE043E000-memory.dmp

        Filesize

        120KB

      • memory/2404-205-0x00007FF9C0550000-0x00007FF9C1011000-memory.dmp

        Filesize

        10.8MB

      • memory/3700-25-0x0000000000C10000-0x0000000000C11000-memory.dmp

        Filesize

        4KB

      • memory/3700-98-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/3700-148-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/3700-149-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB