Analysis

  • max time kernel
    131s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/04/2024, 20:07

General

  • Target

    92e7a9f7696f57e49ce8b75842db90bd6e827119e1864693b2c4d4b59e1ea16b.exe

  • Size

    438KB

  • MD5

    dcb197eee01d724eb2d384bc20a56835

  • SHA1

    c71cf864b7294ba3b916a52301490c8a276ef019

  • SHA256

    92e7a9f7696f57e49ce8b75842db90bd6e827119e1864693b2c4d4b59e1ea16b

  • SHA512

    332273bb95c3ca9181e9f8bbd29deabbd1239669a5e2c5848ea316f01753296d295890ebaa81be4631069eaeb200c838e3097a6309f17aeacdd1e7e1c4862ff8

  • SSDEEP

    6144:OqGjek9bnH1xmXt/lk80aaE72OZjj8C+0jTCBDPduTPQ6sdVjQr5tvwv0:75yoXQ1aaE72ajjxjTC9P4TPCLjOtw0

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 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 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\92e7a9f7696f57e49ce8b75842db90bd6e827119e1864693b2c4d4b59e1ea16b.exe
    "C:\Users\Admin\AppData\Local\Temp\92e7a9f7696f57e49ce8b75842db90bd6e827119e1864693b2c4d4b59e1ea16b.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4924
    • C:\Users\Admin\AppData\Local\Temp\u3ss.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u3ss.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:4812
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\DAFBGHCAKK.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3772
        • C:\Users\Admin\AppData\Local\Temp\DAFBGHCAKK.exe
          "C:\Users\Admin\AppData\Local\Temp\DAFBGHCAKK.exe"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:4524
          • 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\DAFBGHCAKK.exe
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:4400
            • C:\Windows\SysWOW64\PING.EXE
              ping 2.2.2.2 -n 1 -w 3000
              6⤵
              • Runs ping.exe
              PID:3768
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4812 -s 2448
        3⤵
        • Program crash
        PID:4476
    • C:\Users\Admin\AppData\Local\Temp\u3ss.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u3ss.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:2252
      • 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:4888
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4812 -ip 4812
    1⤵
      PID:1256

    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\DAFBGHCAKK.exe

      Filesize

      106KB

      MD5

      fe380780b5c35bd6d54541791151c2be

      SHA1

      7fe3a583cf91474c733f85cebf3c857682e269e1

      SHA256

      b64a84d1f88e4e78464a1901c1cb5bbd5f00bb73203d719e64e072157a087b53

      SHA512

      ba05ba8aa13c4bc1cf98fbf6c08b021e8b19354098e0397fc8e1e5d3dcce367c1063203f24e50d0973193f6535681d0a43486e5dade5d112853b7a2fe8739b6c

    • C:\Users\Admin\AppData\Local\Temp\u3ss.0.exe

      Filesize

      297KB

      MD5

      1ccfa346ba7e39281121caa7c82d69c1

      SHA1

      d4c27b9f9da6deb80ed70c8075f2b0b4d079ceda

      SHA256

      f17c98698727f37c53f661c5a429017c28ade0316604dba0b5299b8177561e6c

      SHA512

      f0f9f061606a7065d9e14219a6c41db839eed4985285d2859bdc1e81d78aec8d686e4a85c8beca55f7aa55826269318aaeccb7dc78bbd97de21ca0d798e47690

    • C:\Users\Admin\AppData\Local\Temp\u3ss.1.exe

      Filesize

      4.6MB

      MD5

      397926927bca55be4a77839b1c44de6e

      SHA1

      e10f3434ef3021c399dbba047832f02b3c898dbd

      SHA256

      4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

      SHA512

      cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

    • memory/2252-114-0x0000000000400000-0x00000000008AD000-memory.dmp

      Filesize

      4.7MB

    • memory/2252-27-0x0000000000C00000-0x0000000000C01000-memory.dmp

      Filesize

      4KB

    • memory/2252-100-0x0000000000400000-0x00000000008AD000-memory.dmp

      Filesize

      4.7MB

    • memory/4524-195-0x0000000072540000-0x0000000072CF0000-memory.dmp

      Filesize

      7.7MB

    • memory/4524-191-0x0000000005060000-0x0000000005070000-memory.dmp

      Filesize

      64KB

    • memory/4524-188-0x0000000000520000-0x0000000000540000-memory.dmp

      Filesize

      128KB

    • memory/4524-189-0x0000000072540000-0x0000000072CF0000-memory.dmp

      Filesize

      7.7MB

    • memory/4812-14-0x0000000000680000-0x00000000006A7000-memory.dmp

      Filesize

      156KB

    • memory/4812-113-0x00000000006C0000-0x00000000007C0000-memory.dmp

      Filesize

      1024KB

    • memory/4812-99-0x0000000000400000-0x000000000063B000-memory.dmp

      Filesize

      2.2MB

    • memory/4812-32-0x0000000061E00000-0x0000000061EF3000-memory.dmp

      Filesize

      972KB

    • memory/4812-15-0x0000000000400000-0x000000000063B000-memory.dmp

      Filesize

      2.2MB

    • memory/4812-13-0x00000000006C0000-0x00000000007C0000-memory.dmp

      Filesize

      1024KB

    • memory/4812-173-0x0000000000400000-0x000000000063B000-memory.dmp

      Filesize

      2.2MB

    • memory/4812-193-0x0000000000400000-0x000000000063B000-memory.dmp

      Filesize

      2.2MB

    • memory/4888-116-0x00007FF9EE4C0000-0x00007FF9EEF81000-memory.dmp

      Filesize

      10.8MB

    • memory/4888-148-0x0000019D86890000-0x0000019D868A0000-memory.dmp

      Filesize

      64KB

    • memory/4888-124-0x0000019D86860000-0x0000019D8686A000-memory.dmp

      Filesize

      40KB

    • memory/4888-126-0x0000019DA0000000-0x0000019DA00B2000-memory.dmp

      Filesize

      712KB

    • memory/4888-125-0x0000019D9FFA0000-0x0000019D9FFCA000-memory.dmp

      Filesize

      168KB

    • memory/4888-127-0x0000019DA0410000-0x0000019DA048A000-memory.dmp

      Filesize

      488KB

    • memory/4888-128-0x0000019DA0490000-0x0000019DA04F2000-memory.dmp

      Filesize

      392KB

    • memory/4888-129-0x0000019DA0570000-0x0000019DA05E6000-memory.dmp

      Filesize

      472KB

    • memory/4888-130-0x0000019D86870000-0x0000019D8687A000-memory.dmp

      Filesize

      40KB

    • memory/4888-134-0x0000019DA05F0000-0x0000019DA08F0000-memory.dmp

      Filesize

      3.0MB

    • memory/4888-136-0x0000019D86890000-0x0000019D868A0000-memory.dmp

      Filesize

      64KB

    • memory/4888-138-0x0000019DA4FA0000-0x0000019DA4FA8000-memory.dmp

      Filesize

      32KB

    • memory/4888-139-0x0000019D86890000-0x0000019D868A0000-memory.dmp

      Filesize

      64KB

    • memory/4888-137-0x0000019D86890000-0x0000019D868A0000-memory.dmp

      Filesize

      64KB

    • memory/4888-140-0x0000019DA48E0000-0x0000019DA4918000-memory.dmp

      Filesize

      224KB

    • memory/4888-141-0x0000019DA48B0000-0x0000019DA48BE000-memory.dmp

      Filesize

      56KB

    • memory/4888-143-0x0000019DA5A50000-0x0000019DA5A72000-memory.dmp

      Filesize

      136KB

    • memory/4888-142-0x0000019DA57B0000-0x0000019DA57BA000-memory.dmp

      Filesize

      40KB

    • memory/4888-144-0x0000019DA5FA0000-0x0000019DA64C8000-memory.dmp

      Filesize

      5.2MB

    • memory/4888-123-0x0000019D86740000-0x0000019D86764000-memory.dmp

      Filesize

      144KB

    • memory/4888-147-0x0000019DA5820000-0x0000019DA5870000-memory.dmp

      Filesize

      320KB

    • memory/4888-149-0x0000019DA57D0000-0x0000019DA57DC000-memory.dmp

      Filesize

      48KB

    • memory/4888-150-0x0000019DA5870000-0x0000019DA5892000-memory.dmp

      Filesize

      136KB

    • memory/4888-151-0x0000019DA58A0000-0x0000019DA58BE000-memory.dmp

      Filesize

      120KB

    • memory/4888-122-0x0000019D86720000-0x0000019D86734000-memory.dmp

      Filesize

      80KB

    • memory/4888-120-0x0000019D86710000-0x0000019D86720000-memory.dmp

      Filesize

      64KB

    • memory/4888-121-0x0000019D86730000-0x0000019D8673C000-memory.dmp

      Filesize

      48KB

    • memory/4888-119-0x0000019DA01C0000-0x0000019DA02D0000-memory.dmp

      Filesize

      1.1MB

    • memory/4888-118-0x0000019D86890000-0x0000019D868A0000-memory.dmp

      Filesize

      64KB

    • memory/4888-117-0x0000019D81110000-0x0000019D84A08000-memory.dmp

      Filesize

      57.0MB

    • memory/4888-200-0x0000019D86890000-0x0000019D868A0000-memory.dmp

      Filesize

      64KB

    • memory/4888-190-0x00007FF9EE4C0000-0x00007FF9EEF81000-memory.dmp

      Filesize

      10.8MB

    • memory/4888-199-0x0000019D86890000-0x0000019D868A0000-memory.dmp

      Filesize

      64KB

    • memory/4888-198-0x0000019D86890000-0x0000019D868A0000-memory.dmp

      Filesize

      64KB

    • memory/4888-197-0x0000019D86890000-0x0000019D868A0000-memory.dmp

      Filesize

      64KB

    • memory/4888-196-0x0000019D86890000-0x0000019D868A0000-memory.dmp

      Filesize

      64KB

    • memory/4924-2-0x00000000020F0000-0x000000000215C000-memory.dmp

      Filesize

      432KB

    • memory/4924-3-0x0000000000400000-0x00000000004DA000-memory.dmp

      Filesize

      872KB

    • memory/4924-26-0x0000000000400000-0x00000000004DA000-memory.dmp

      Filesize

      872KB

    • memory/4924-1-0x0000000000650000-0x0000000000750000-memory.dmp

      Filesize

      1024KB