Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240221-en
  • resource tags

    arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    03/04/2024, 19:30

General

  • Target

    f860335bbad79b684c9b0f49a0b1f12bffd6fee18bbcc9bf39775c24f19ce6f5.exe

  • Size

    430KB

  • MD5

    1ac708b1ee362ca0967e056c19920ab8

  • SHA1

    65aa9ac7849ffc03c27842dc4e23cf0c095f1e3b

  • SHA256

    f860335bbad79b684c9b0f49a0b1f12bffd6fee18bbcc9bf39775c24f19ce6f5

  • SHA512

    ab999eacacf4aeb05aa0bf5d53863008ba96fa0e072085f89a69ba33924a7a759ab752253c20d2dffe730bbad55586734b4ba5c7bb8bcb87c561ffeecbe26c4a

  • SSDEEP

    12288:6cngs+cvhCpAa+RRwKNpqoz74/5D0qokyRr:6gJOf+RL5z74/5D0CyRr

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\f860335bbad79b684c9b0f49a0b1f12bffd6fee18bbcc9bf39775c24f19ce6f5.exe
    "C:\Users\Admin\AppData\Local\Temp\f860335bbad79b684c9b0f49a0b1f12bffd6fee18bbcc9bf39775c24f19ce6f5.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:72
    • C:\Users\Admin\AppData\Local\Temp\u20.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u20.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3540
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\FCGIJKJJKE.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2688
        • C:\Users\Admin\AppData\Local\Temp\FCGIJKJJKE.exe
          "C:\Users\Admin\AppData\Local\Temp\FCGIJKJJKE.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:648
          • 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\FCGIJKJJKE.exe
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:4272
            • C:\Windows\SysWOW64\PING.EXE
              ping 2.2.2.2 -n 1 -w 3000
              6⤵
              • Runs ping.exe
              PID:1948
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3540 -s 2464
        3⤵
        • Program crash
        PID:4216
    • C:\Users\Admin\AppData\Local\Temp\u20.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u20.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2388
      • 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:4828
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 72 -s 1612
      2⤵
      • Program crash
      PID:2172
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 72 -ip 72
    1⤵
      PID:2336
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3540 -ip 3540
      1⤵
        PID:4916

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            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\FCGIJKJJKE.exe

              Filesize

              106KB

              MD5

              fe380780b5c35bd6d54541791151c2be

              SHA1

              7fe3a583cf91474c733f85cebf3c857682e269e1

              SHA256

              b64a84d1f88e4e78464a1901c1cb5bbd5f00bb73203d719e64e072157a087b53

              SHA512

              ba05ba8aa13c4bc1cf98fbf6c08b021e8b19354098e0397fc8e1e5d3dcce367c1063203f24e50d0973193f6535681d0a43486e5dade5d112853b7a2fe8739b6c

            • C:\Users\Admin\AppData\Local\Temp\u20.0.exe

              Filesize

              297KB

              MD5

              c143cd1349493637a4b0245a7657047c

              SHA1

              71db6b6454570fd15c4d236cf9052d8d42080875

              SHA256

              03dbee406c07f96049083a0bab70a05d16be0b261f258f45056e8a2ada41b22b

              SHA512

              746b811368b67d54333117b015112d6ede3255850b806106c007c88aa6839ae0f7dfa03e8c4c8e23e8c7a9cf7a24b3dad8bbca3a9ea282a22116f01ff784cd31

            • C:\Users\Admin\AppData\Local\Temp\u20.1.exe

              Filesize

              4.6MB

              MD5

              397926927bca55be4a77839b1c44de6e

              SHA1

              e10f3434ef3021c399dbba047832f02b3c898dbd

              SHA256

              4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

              SHA512

              cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

            • memory/72-70-0x0000000000400000-0x0000000000889000-memory.dmp

              Filesize

              4.5MB

            • memory/72-2-0x00000000025B0000-0x000000000261C000-memory.dmp

              Filesize

              432KB

            • memory/72-3-0x0000000000400000-0x0000000000889000-memory.dmp

              Filesize

              4.5MB

            • memory/72-71-0x00000000025B0000-0x000000000261C000-memory.dmp

              Filesize

              432KB

            • memory/72-1-0x0000000000AD0000-0x0000000000BD0000-memory.dmp

              Filesize

              1024KB

            • memory/648-134-0x0000000000590000-0x00000000005B0000-memory.dmp

              Filesize

              128KB

            • memory/648-135-0x0000000071710000-0x0000000071EC1000-memory.dmp

              Filesize

              7.7MB

            • memory/648-139-0x00000000050A0000-0x00000000050B0000-memory.dmp

              Filesize

              64KB

            • memory/648-141-0x0000000071710000-0x0000000071EC1000-memory.dmp

              Filesize

              7.7MB

            • memory/2388-48-0x0000000002760000-0x0000000002761000-memory.dmp

              Filesize

              4KB

            • memory/2388-142-0x0000000000400000-0x00000000008AD000-memory.dmp

              Filesize

              4.7MB

            • memory/2388-154-0x0000000000400000-0x00000000008AD000-memory.dmp

              Filesize

              4.7MB

            • memory/3540-14-0x0000000000AD0000-0x0000000000AF7000-memory.dmp

              Filesize

              156KB

            • memory/3540-13-0x0000000000B40000-0x0000000000C40000-memory.dmp

              Filesize

              1024KB

            • memory/3540-15-0x0000000000400000-0x0000000000869000-memory.dmp

              Filesize

              4.4MB

            • memory/3540-16-0x0000000061E00000-0x0000000061EF3000-memory.dmp

              Filesize

              972KB

            • memory/3540-136-0x0000000000400000-0x0000000000869000-memory.dmp

              Filesize

              4.4MB

            • memory/4828-158-0x000002C7466C0000-0x000002C7467D0000-memory.dmp

              Filesize

              1.1MB

            • memory/4828-173-0x000002C746C00000-0x000002C746F00000-memory.dmp

              Filesize

              3.0MB

            • memory/4828-157-0x000002C7465C0000-0x000002C7465D0000-memory.dmp

              Filesize

              64KB

            • memory/4828-155-0x00007FFADE190000-0x00007FFADEC52000-memory.dmp

              Filesize

              10.8MB

            • memory/4828-159-0x000002C72DC10000-0x000002C72DC20000-memory.dmp

              Filesize

              64KB

            • memory/4828-160-0x000002C72DC30000-0x000002C72DC3C000-memory.dmp

              Filesize

              48KB

            • memory/4828-161-0x000002C72DC20000-0x000002C72DC34000-memory.dmp

              Filesize

              80KB

            • memory/4828-162-0x000002C746580000-0x000002C7465A4000-memory.dmp

              Filesize

              144KB

            • memory/4828-163-0x000002C7465B0000-0x000002C7465BA000-memory.dmp

              Filesize

              40KB

            • memory/4828-165-0x000002C746970000-0x000002C746A22000-memory.dmp

              Filesize

              712KB

            • memory/4828-164-0x000002C7467E0000-0x000002C74680A000-memory.dmp

              Filesize

              168KB

            • memory/4828-166-0x000002C746A20000-0x000002C746A9A000-memory.dmp

              Filesize

              488KB

            • memory/4828-168-0x000002C746B80000-0x000002C746BF6000-memory.dmp

              Filesize

              472KB

            • memory/4828-167-0x000002C746AA0000-0x000002C746B02000-memory.dmp

              Filesize

              392KB

            • memory/4828-169-0x000002C72DBF0000-0x000002C72DBFA000-memory.dmp

              Filesize

              40KB

            • memory/4828-156-0x000002C7285E0000-0x000002C72BED8000-memory.dmp

              Filesize

              57.0MB

            • memory/4828-175-0x000002C7465C0000-0x000002C7465D0000-memory.dmp

              Filesize

              64KB

            • memory/4828-176-0x000002C74B620000-0x000002C74B628000-memory.dmp

              Filesize

              32KB

            • memory/4828-177-0x000002C74AF60000-0x000002C74AF98000-memory.dmp

              Filesize

              224KB

            • memory/4828-178-0x000002C74AF30000-0x000002C74AF3E000-memory.dmp

              Filesize

              56KB

            • memory/4828-179-0x000002C74B8C0000-0x000002C74B8CA000-memory.dmp

              Filesize

              40KB

            • memory/4828-180-0x000002C74B640000-0x000002C74B662000-memory.dmp

              Filesize

              136KB

            • memory/4828-181-0x000002C74BE00000-0x000002C74C328000-memory.dmp

              Filesize

              5.2MB

            • memory/4828-184-0x000002C74B6B0000-0x000002C74B700000-memory.dmp

              Filesize

              320KB

            • memory/4828-185-0x000002C74B660000-0x000002C74B66C000-memory.dmp

              Filesize

              48KB

            • memory/4828-186-0x000002C74B700000-0x000002C74B722000-memory.dmp

              Filesize

              136KB

            • memory/4828-187-0x000002C74B730000-0x000002C74B74E000-memory.dmp

              Filesize

              120KB

            • memory/4828-189-0x00007FFADE190000-0x00007FFADEC52000-memory.dmp

              Filesize

              10.8MB

            • memory/4828-190-0x000002C7465C0000-0x000002C7465D0000-memory.dmp

              Filesize

              64KB

            • memory/4828-191-0x000002C7465C0000-0x000002C7465D0000-memory.dmp

              Filesize

              64KB

            • memory/4828-192-0x000002C7465C0000-0x000002C7465D0000-memory.dmp

              Filesize

              64KB

            • memory/4828-193-0x000002C7465C0000-0x000002C7465D0000-memory.dmp

              Filesize

              64KB