Analysis

  • max time kernel
    132s
  • max time network
    135s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240221-en
  • resource tags

    arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    06/04/2024, 05:30

General

  • Target

    4b3d2f04952743c60908a55dfa27c665f905aa685bc3ca643a576cf3599a73de.exe

  • Size

    342KB

  • MD5

    83f68fd5d3477052738b46535826b265

  • SHA1

    2d99a42f1e164b8a7f97b83213e84c56d171ff25

  • SHA256

    4b3d2f04952743c60908a55dfa27c665f905aa685bc3ca643a576cf3599a73de

  • SHA512

    3b941a216aab18fdc36af32ec4778e2549cb8e69bf677e65da97775452ddb7b4daaf5e02fa3c05f7f192564e55ba78e8e0f1b22c9ad4a31b219b83fa3513a4e0

  • SSDEEP

    6144:TnxvOxqTdkXAyVG2byslJyDPzM9TfBw/Mom9VcurkJbV:TxvOxqxkXAgd0zKTJw/MoY1mV

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 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4b3d2f04952743c60908a55dfa27c665f905aa685bc3ca643a576cf3599a73de.exe
    "C:\Users\Admin\AppData\Local\Temp\4b3d2f04952743c60908a55dfa27c665f905aa685bc3ca643a576cf3599a73de.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:756
    • C:\Users\Admin\AppData\Local\Temp\ul0.0.exe
      "C:\Users\Admin\AppData\Local\Temp\ul0.0.exe"
      2⤵
      • 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\AFCFHDHIII.exe"
        3⤵
          PID:632
          • C:\Users\Admin\AppData\Local\Temp\AFCFHDHIII.exe
            "C:\Users\Admin\AppData\Local\Temp\AFCFHDHIII.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:2932
            • 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\AFCFHDHIII.exe
              5⤵
              • Suspicious use of WriteProcessMemory
              PID:2672
              • C:\Windows\SysWOW64\PING.EXE
                ping 2.2.2.2 -n 1 -w 3000
                6⤵
                • Runs ping.exe
                PID:1880
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4204 -s 2448
          3⤵
          • Program crash
          PID:2448
      • C:\Users\Admin\AppData\Local\Temp\ul0.1.exe
        "C:\Users\Admin\AppData\Local\Temp\ul0.1.exe"
        2⤵
        • Executes dropped EXE
        • Checks SCSI registry key(s)
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of WriteProcessMemory
        PID:4468
        • 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:4532
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 756 -s 1156
        2⤵
        • Program crash
        PID:2236
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 756 -ip 756
      1⤵
        PID:1308
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4204 -ip 4204
        1⤵
          PID:4688

        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\AFCFHDHIII.exe

                Filesize

                106KB

                MD5

                fe380780b5c35bd6d54541791151c2be

                SHA1

                7fe3a583cf91474c733f85cebf3c857682e269e1

                SHA256

                b64a84d1f88e4e78464a1901c1cb5bbd5f00bb73203d719e64e072157a087b53

                SHA512

                ba05ba8aa13c4bc1cf98fbf6c08b021e8b19354098e0397fc8e1e5d3dcce367c1063203f24e50d0973193f6535681d0a43486e5dade5d112853b7a2fe8739b6c

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

                Filesize

                3KB

                MD5

                a6952ab63fdede806885e15b2559c555

                SHA1

                23d9c245f66c9851bfaf3ab2667273c179ee4c3e

                SHA256

                bbc93d96cdb502f8aa2a09f40ea534968ca2784ed4b02ead42f78e50a6f2ac30

                SHA512

                35ad9f02082fa883a723ae4627859d58d2f29520527e73cfda258cadd5d95414f3deecb99c41af10a4260c84ca9730bbc7e1fa65adfb97eef167b3793bf460cd

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

                Filesize

                2KB

                MD5

                6eacf971265b4fdd92f88714de815511

                SHA1

                093e34c3cbf07b9c2abd80346bb2845dd8bc5eae

                SHA256

                b2b5d5068c46576a156a2a902243744a946e9d708373fca8c10da060f81b33d5

                SHA512

                ab81401caada6b3d526dc0e3a7c3676028f7de0122d309225b1fdbf547778cad489dcd7ccf19957ac99f0b41f07fd37498ec61972a7ed7062182d89cd8a56935

              • C:\Users\Admin\AppData\Local\Temp\ul0.0.exe

                Filesize

                200KB

                MD5

                e4ff41258b1e13fc1a0cf33f83505c5b

                SHA1

                c41a64aa8b5d921cf755d72dfd624066cbbdf6d8

                SHA256

                0d19b90b35d268308253e621b1b3500b1d1dd98e5f72929ba6f78961423ca594

                SHA512

                520a2c6a74f42743373e29c3aef59618e306a10a1f9ffec27990ed7533856bcc0ba8ce3174ee668418fd8325cf9ef664df29026238e21f4d234f4e7a25d0239a

              • C:\Users\Admin\AppData\Local\Temp\ul0.1.exe

                Filesize

                4.6MB

                MD5

                397926927bca55be4a77839b1c44de6e

                SHA1

                e10f3434ef3021c399dbba047832f02b3c898dbd

                SHA256

                4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

                SHA512

                cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

              • memory/756-3-0x0000000000400000-0x0000000002B7F000-memory.dmp

                Filesize

                39.5MB

              • memory/756-31-0x0000000000400000-0x0000000002B7F000-memory.dmp

                Filesize

                39.5MB

              • memory/756-32-0x00000000048C0000-0x000000000492C000-memory.dmp

                Filesize

                432KB

              • memory/756-1-0x0000000002DE0000-0x0000000002EE0000-memory.dmp

                Filesize

                1024KB

              • memory/756-2-0x00000000048C0000-0x000000000492C000-memory.dmp

                Filesize

                432KB

              • memory/2932-190-0x0000000005B70000-0x0000000005B80000-memory.dmp

                Filesize

                64KB

              • memory/2932-193-0x0000000072450000-0x0000000072C01000-memory.dmp

                Filesize

                7.7MB

              • memory/2932-187-0x0000000000E50000-0x0000000000E70000-memory.dmp

                Filesize

                128KB

              • memory/2932-189-0x0000000072450000-0x0000000072C01000-memory.dmp

                Filesize

                7.7MB

              • memory/4204-186-0x0000000000400000-0x0000000002B5B000-memory.dmp

                Filesize

                39.4MB

              • memory/4204-37-0x0000000061E00000-0x0000000061EF3000-memory.dmp

                Filesize

                972KB

              • memory/4204-100-0x0000000000400000-0x0000000002B5B000-memory.dmp

                Filesize

                39.4MB

              • memory/4204-30-0x0000000000400000-0x0000000002B5B000-memory.dmp

                Filesize

                39.4MB

              • memory/4204-25-0x0000000002CF0000-0x0000000002D17000-memory.dmp

                Filesize

                156KB

              • memory/4204-23-0x0000000002D40000-0x0000000002E40000-memory.dmp

                Filesize

                1024KB

              • memory/4204-136-0x0000000002D40000-0x0000000002E40000-memory.dmp

                Filesize

                1024KB

              • memory/4468-114-0x0000000000400000-0x00000000008AD000-memory.dmp

                Filesize

                4.7MB

              • memory/4468-101-0x0000000000400000-0x00000000008AD000-memory.dmp

                Filesize

                4.7MB

              • memory/4468-24-0x0000000002760000-0x0000000002761000-memory.dmp

                Filesize

                4KB

              • memory/4532-129-0x0000019D433C0000-0x0000019D43436000-memory.dmp

                Filesize

                472KB

              • memory/4532-148-0x0000019D47F00000-0x0000019D47F50000-memory.dmp

                Filesize

                320KB

              • memory/4532-128-0x0000019D42F20000-0x0000019D42F82000-memory.dmp

                Filesize

                392KB

              • memory/4532-126-0x0000019D42EF0000-0x0000019D42F1A000-memory.dmp

                Filesize

                168KB

              • memory/4532-130-0x0000019D2A4F0000-0x0000019D2A4FA000-memory.dmp

                Filesize

                40KB

              • memory/4532-134-0x0000019D43440000-0x0000019D43740000-memory.dmp

                Filesize

                3.0MB

              • memory/4532-125-0x0000019D43210000-0x0000019D432C2000-memory.dmp

                Filesize

                712KB

              • memory/4532-137-0x0000019D47E50000-0x0000019D47E58000-memory.dmp

                Filesize

                32KB

              • memory/4532-138-0x0000019D47790000-0x0000019D477C8000-memory.dmp

                Filesize

                224KB

              • memory/4532-139-0x0000019D47760000-0x0000019D4776E000-memory.dmp

                Filesize

                56KB

              • memory/4532-140-0x0000019D47E60000-0x0000019D47E6A000-memory.dmp

                Filesize

                40KB

              • memory/4532-141-0x0000019D47E90000-0x0000019D47EB2000-memory.dmp

                Filesize

                136KB

              • memory/4532-142-0x0000019D42FA0000-0x0000019D42FB0000-memory.dmp

                Filesize

                64KB

              • memory/4532-143-0x0000019D42FA0000-0x0000019D42FB0000-memory.dmp

                Filesize

                64KB

              • memory/4532-144-0x0000019D42FA0000-0x0000019D42FB0000-memory.dmp

                Filesize

                64KB

              • memory/4532-145-0x0000019D483E0000-0x0000019D48908000-memory.dmp

                Filesize

                5.2MB

              • memory/4532-149-0x0000019D47E70000-0x0000019D47E7C000-memory.dmp

                Filesize

                48KB

              • memory/4532-127-0x0000019D432C0000-0x0000019D4333A000-memory.dmp

                Filesize

                488KB

              • memory/4532-161-0x0000019D481D0000-0x0000019D481F2000-memory.dmp

                Filesize

                136KB

              • memory/4532-124-0x0000019D2A700000-0x0000019D2A70A000-memory.dmp

                Filesize

                40KB

              • memory/4532-123-0x0000019D2A6D0000-0x0000019D2A6F4000-memory.dmp

                Filesize

                144KB

              • memory/4532-171-0x0000019D47EE0000-0x0000019D47EFE000-memory.dmp

                Filesize

                120KB

              • memory/4532-122-0x0000019D2A660000-0x0000019D2A674000-memory.dmp

                Filesize

                80KB

              • memory/4532-121-0x0000019D2A670000-0x0000019D2A67C000-memory.dmp

                Filesize

                48KB

              • memory/4532-120-0x0000019D2A640000-0x0000019D2A650000-memory.dmp

                Filesize

                64KB

              • memory/4532-119-0x0000019D42FB0000-0x0000019D430C0000-memory.dmp

                Filesize

                1.1MB

              • memory/4532-118-0x0000019D42FA0000-0x0000019D42FB0000-memory.dmp

                Filesize

                64KB

              • memory/4532-117-0x0000019D24E60000-0x0000019D28758000-memory.dmp

                Filesize

                57.0MB

              • memory/4532-116-0x00007FFA781E0000-0x00007FFA78CA2000-memory.dmp

                Filesize

                10.8MB

              • memory/4532-194-0x00007FFA781E0000-0x00007FFA78CA2000-memory.dmp

                Filesize

                10.8MB

              • memory/4532-195-0x0000019D42FA0000-0x0000019D42FB0000-memory.dmp

                Filesize

                64KB

              • memory/4532-196-0x0000019D42FA0000-0x0000019D42FB0000-memory.dmp

                Filesize

                64KB

              • memory/4532-197-0x0000019D42FA0000-0x0000019D42FB0000-memory.dmp

                Filesize

                64KB

              • memory/4532-198-0x0000019D42FA0000-0x0000019D42FB0000-memory.dmp

                Filesize

                64KB