Analysis

  • max time kernel
    147s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-04-2024 09:34

General

  • Target

    41f18edbe2ab7b4c47563d7e6d271911e9a2c4b11b97d03a63b7be0bb7bbf045.exe

  • Size

    409KB

  • MD5

    5722a79e15aba6244e3fc37ff79626b3

  • SHA1

    e1e1811197f2eb586c35a8c808cae388d68cbc29

  • SHA256

    41f18edbe2ab7b4c47563d7e6d271911e9a2c4b11b97d03a63b7be0bb7bbf045

  • SHA512

    257f13184462992d8f00fc2cc47a590243cf040a50d48f52bd7362b33a0d102ec36f22f84bbdcbcc1460a3f4a5545acf0e3854266482dae09333d781c377efb4

  • SSDEEP

    6144:07SHUo6LpD726DEVLunVQ3MUkmIp7dnMEpA7sCmD0AiV:0eHUo6F/2iHVQ8UkmIpxMECmI5V

Malware Config

Signatures

  • Buer

    Buer is a new modular loader first seen in August 2019.

  • 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 64 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\41f18edbe2ab7b4c47563d7e6d271911e9a2c4b11b97d03a63b7be0bb7bbf045.exe
    "C:\Users\Admin\AppData\Local\Temp\41f18edbe2ab7b4c47563d7e6d271911e9a2c4b11b97d03a63b7be0bb7bbf045.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4732
    • C:\Users\Admin\AppData\Local\Temp\u3ng.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u3ng.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:1132
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\EGHJKJKKJD.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2736
        • C:\Users\Admin\AppData\Local\Temp\EGHJKJKKJD.exe
          "C:\Users\Admin\AppData\Local\Temp\EGHJKJKKJD.exe"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:1712
          • 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\EGHJKJKKJD.exe
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:1588
            • C:\Windows\SysWOW64\PING.EXE
              ping 2.2.2.2 -n 1 -w 3000
              6⤵
              • Runs ping.exe
              PID:780
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1132 -s 2332
        3⤵
        • Program crash
        PID:4472
    • C:\Users\Admin\AppData\Local\Temp\u3ng.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u3ng.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:4156
      • 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:5076
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4732 -s 1448
      2⤵
      • Program crash
      PID:4040
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4732 -ip 4732
    1⤵
      PID:1976
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-appcompat-clear --mojo-platform-channel-handle=1408 --field-trial-handle=2256,i,9172343514068348080,519219714517961765,262144 --variations-seed-version /prefetch:3
      1⤵
        PID:1960
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 1132 -ip 1132
        1⤵
          PID:4956
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1320 --field-trial-handle=2256,i,9172343514068348080,519219714517961765,262144 --variations-seed-version /prefetch:8
          1⤵
            PID:1504

          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\Microsoft\Edge\User Data\Default\Network\SCT Auditing Pending Reports

            Filesize

            2B

            MD5

            d751713988987e9331980363e24189ce

            SHA1

            97d170e1550eee4afc0af065b78cda302a97674c

            SHA256

            4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

            SHA512

            b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\Sdch Dictionaries

            Filesize

            40B

            MD5

            20d4b8fa017a12a108c87f540836e250

            SHA1

            1ac617fac131262b6d3ce1f52f5907e31d5f6f00

            SHA256

            6028bd681dbf11a0a58dde8a0cd884115c04caa59d080ba51bde1b086ce0079d

            SHA512

            507b2b8a8a168ff8f2bdafa5d9d341c44501a5f17d9f63f3d43bd586bc9e8ae33221887869fa86f845b7d067cb7d2a7009efd71dda36e03a40a74fee04b86856

          • C:\Users\Admin\AppData\Local\Temp\EGHJKJKKJD.exe

            Filesize

            106KB

            MD5

            fe380780b5c35bd6d54541791151c2be

            SHA1

            7fe3a583cf91474c733f85cebf3c857682e269e1

            SHA256

            b64a84d1f88e4e78464a1901c1cb5bbd5f00bb73203d719e64e072157a087b53

            SHA512

            ba05ba8aa13c4bc1cf98fbf6c08b021e8b19354098e0397fc8e1e5d3dcce367c1063203f24e50d0973193f6535681d0a43486e5dade5d112853b7a2fe8739b6c

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

            Filesize

            2KB

            MD5

            5ac2185bc25ffd0dcb452cb0f2d78b68

            SHA1

            2c4ca6730742f75a921751317bc69bd8aab59c0b

            SHA256

            c57ec2895b153e9ce4e20e6dee0fdbfcafdd9c45a7dece2113d21d35e27e2dc7

            SHA512

            b5205f7a719259998d699d5f07a4155bc6059cc20967bf8c7dee741932708b1d2dcd64a7f104b43e0080caf289b4f8150832353ba546123b90b4984d03694c21

          • C:\Users\Admin\AppData\Local\Temp\u3ng.0.exe

            Filesize

            268KB

            MD5

            5feabcf3cc39368fb12cd39322aad004

            SHA1

            b599cd63b1830fdc876b8426d2e22bc3b00140ac

            SHA256

            9b2932f4f69c96f1a87361370da805ee6dd99476db6c8b43a1424be178da3fd7

            SHA512

            0eead7b57ad3eead70a4296b4868170dbb48f69b9ad59dfb3539a91649fd229b19a97474c744092ab38d3c2d158bd922502c778766b876559d57f4099a1b9853

          • C:\Users\Admin\AppData\Local\Temp\u3ng.1.exe

            Filesize

            4.6MB

            MD5

            397926927bca55be4a77839b1c44de6e

            SHA1

            e10f3434ef3021c399dbba047832f02b3c898dbd

            SHA256

            4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

            SHA512

            cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

          • memory/1132-32-0x0000000061E00000-0x0000000061EF3000-memory.dmp

            Filesize

            972KB

          • memory/1132-199-0x0000000000400000-0x0000000002D42000-memory.dmp

            Filesize

            41.3MB

          • memory/1132-18-0x0000000000400000-0x0000000002D42000-memory.dmp

            Filesize

            41.3MB

          • memory/1132-17-0x0000000002FD0000-0x0000000002FF7000-memory.dmp

            Filesize

            156KB

          • memory/1132-136-0x0000000000400000-0x0000000002D42000-memory.dmp

            Filesize

            41.3MB

          • memory/1132-16-0x0000000003050000-0x0000000003150000-memory.dmp

            Filesize

            1024KB

          • memory/1132-161-0x0000000000400000-0x0000000002D42000-memory.dmp

            Filesize

            41.3MB

          • memory/1712-197-0x00000000005A0000-0x00000000005C0000-memory.dmp

            Filesize

            128KB

          • memory/1712-196-0x00000000723A0000-0x0000000072B50000-memory.dmp

            Filesize

            7.7MB

          • memory/1712-203-0x0000000004E40000-0x0000000004E50000-memory.dmp

            Filesize

            64KB

          • memory/1712-211-0x00000000723A0000-0x0000000072B50000-memory.dmp

            Filesize

            7.7MB

          • memory/4156-163-0x0000000000400000-0x00000000008AD000-memory.dmp

            Filesize

            4.7MB

          • memory/4156-162-0x0000000000400000-0x00000000008AD000-memory.dmp

            Filesize

            4.7MB

          • memory/4156-29-0x00000000026B0000-0x00000000026B1000-memory.dmp

            Filesize

            4KB

          • memory/4732-3-0x0000000000400000-0x0000000002D65000-memory.dmp

            Filesize

            41.4MB

          • memory/4732-1-0x0000000003050000-0x0000000003150000-memory.dmp

            Filesize

            1024KB

          • memory/4732-78-0x0000000004B60000-0x0000000004BCC000-memory.dmp

            Filesize

            432KB

          • memory/4732-71-0x0000000000400000-0x0000000002D65000-memory.dmp

            Filesize

            41.4MB

          • memory/4732-2-0x0000000004B60000-0x0000000004BCC000-memory.dmp

            Filesize

            432KB

          • memory/5076-174-0x000001B4A83A0000-0x000001B4A83AA000-memory.dmp

            Filesize

            40KB

          • memory/5076-169-0x000001B4A8720000-0x000001B4A8830000-memory.dmp

            Filesize

            1.1MB

          • memory/5076-172-0x000001B48E340000-0x000001B48E354000-memory.dmp

            Filesize

            80KB

          • memory/5076-175-0x000001B4A8970000-0x000001B4A8A22000-memory.dmp

            Filesize

            712KB

          • memory/5076-176-0x000001B4A8A20000-0x000001B4A8A4A000-memory.dmp

            Filesize

            168KB

          • memory/5076-177-0x000001B4A8A50000-0x000001B4A8ACA000-memory.dmp

            Filesize

            488KB

          • memory/5076-178-0x000001B4A8AD0000-0x000001B4A8B32000-memory.dmp

            Filesize

            392KB

          • memory/5076-179-0x000001B4A8BB0000-0x000001B4A8C26000-memory.dmp

            Filesize

            472KB

          • memory/5076-180-0x000001B4A83B0000-0x000001B4A83BA000-memory.dmp

            Filesize

            40KB

          • memory/5076-187-0x000001B4A8C30000-0x000001B4A8F30000-memory.dmp

            Filesize

            3.0MB

          • memory/5076-171-0x000001B4A8310000-0x000001B4A831C000-memory.dmp

            Filesize

            48KB

          • memory/5076-192-0x000001B4A84F0000-0x000001B4A8500000-memory.dmp

            Filesize

            64KB

          • memory/5076-193-0x000001B4A8F80000-0x000001B4A8F88000-memory.dmp

            Filesize

            32KB

          • memory/5076-194-0x000001B4A9210000-0x000001B4A9248000-memory.dmp

            Filesize

            224KB

          • memory/5076-195-0x000001B4A91D0000-0x000001B4A91DE000-memory.dmp

            Filesize

            56KB

          • memory/5076-170-0x000001B48E310000-0x000001B48E320000-memory.dmp

            Filesize

            64KB

          • memory/5076-198-0x000001B4A9280000-0x000001B4A928A000-memory.dmp

            Filesize

            40KB

          • memory/5076-173-0x000001B4A8370000-0x000001B4A8394000-memory.dmp

            Filesize

            144KB

          • memory/5076-200-0x000001B4A92A0000-0x000001B4A92C2000-memory.dmp

            Filesize

            136KB

          • memory/5076-202-0x000001B4ADFD0000-0x000001B4AE4F8000-memory.dmp

            Filesize

            5.2MB

          • memory/5076-168-0x000001B4A84F0000-0x000001B4A8500000-memory.dmp

            Filesize

            64KB

          • memory/5076-166-0x000001B48A5B0000-0x000001B48DEA8000-memory.dmp

            Filesize

            57.0MB

          • memory/5076-204-0x000001B4A84F0000-0x000001B4A8500000-memory.dmp

            Filesize

            64KB

          • memory/5076-209-0x000001B4ADAF0000-0x000001B4ADB40000-memory.dmp

            Filesize

            320KB

          • memory/5076-165-0x00007FFED8330000-0x00007FFED8DF1000-memory.dmp

            Filesize

            10.8MB

          • memory/5076-210-0x000001B4ADAA0000-0x000001B4ADAAC000-memory.dmp

            Filesize

            48KB

          • memory/5076-212-0x000001B4ADDC0000-0x000001B4ADDE2000-memory.dmp

            Filesize

            136KB

          • memory/5076-213-0x000001B4ADDF0000-0x000001B4ADE0E000-memory.dmp

            Filesize

            120KB

          • memory/5076-215-0x00007FFED8330000-0x00007FFED8DF1000-memory.dmp

            Filesize

            10.8MB

          • memory/5076-216-0x000001B4A84F0000-0x000001B4A8500000-memory.dmp

            Filesize

            64KB

          • memory/5076-217-0x000001B4A84F0000-0x000001B4A8500000-memory.dmp

            Filesize

            64KB

          • memory/5076-218-0x000001B4A84F0000-0x000001B4A8500000-memory.dmp

            Filesize

            64KB

          • memory/5076-219-0x000001B4A84F0000-0x000001B4A8500000-memory.dmp

            Filesize

            64KB