Analysis

  • max time kernel
    125s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/04/2024, 10:13

General

  • Target

    4ebc04dc3b80947ba0da846dc72f5f70fc8bed7dade2cd91540ab374219e866f.exe

  • Size

    430KB

  • MD5

    53dd8034407bbbf1557c704c4094cb34

  • SHA1

    1fd38f2aa8ef7b2cc15a2e96eda28c64b0726b5a

  • SHA256

    4ebc04dc3b80947ba0da846dc72f5f70fc8bed7dade2cd91540ab374219e866f

  • SHA512

    083c0c6ee42ae39935e9f45ef500d82ba52eb868a51a8858c2b73466f71e5082b2606b5173c4ca58f90797b560d37d8ea5252f2daabce21d208ed8683bf37403

  • SSDEEP

    6144:bRogLY4nz1fLCkyz7eqPugFfw3HpRcm0yvV4Z+FzA6hjwQS/HlBTiEI:bRPnz1ukyzaqWgFwJymXvVvbkz/riEI

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 30 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\4ebc04dc3b80947ba0da846dc72f5f70fc8bed7dade2cd91540ab374219e866f.exe
    "C:\Users\Admin\AppData\Local\Temp\4ebc04dc3b80947ba0da846dc72f5f70fc8bed7dade2cd91540ab374219e866f.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1628
    • C:\Users\Admin\AppData\Local\Temp\u198.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u198.0.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:4988
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\CBGCBGCAFI.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3272
        • C:\Users\Admin\AppData\Local\Temp\CBGCBGCAFI.exe
          "C:\Users\Admin\AppData\Local\Temp\CBGCBGCAFI.exe"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:712
          • 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\CBGCBGCAFI.exe
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:2552
            • C:\Windows\SysWOW64\PING.EXE
              ping 2.2.2.2 -n 1 -w 3000
              6⤵
              • Runs ping.exe
              PID:2060
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4988 -s 2324
        3⤵
        • Program crash
        PID:4908
    • C:\Users\Admin\AppData\Local\Temp\u198.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u198.1.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:4404
      • 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:1432
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1628 -s 1004
      2⤵
      • Program crash
      PID:2388
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1628 -ip 1628
    1⤵
      PID:4020
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4988 -ip 4988
      1⤵
        PID:2436

      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\CBGCBGCAFI.exe

              Filesize

              106KB

              MD5

              fe380780b5c35bd6d54541791151c2be

              SHA1

              7fe3a583cf91474c733f85cebf3c857682e269e1

              SHA256

              b64a84d1f88e4e78464a1901c1cb5bbd5f00bb73203d719e64e072157a087b53

              SHA512

              ba05ba8aa13c4bc1cf98fbf6c08b021e8b19354098e0397fc8e1e5d3dcce367c1063203f24e50d0973193f6535681d0a43486e5dade5d112853b7a2fe8739b6c

            • C:\Users\Admin\AppData\Local\Temp\u198.0.exe

              Filesize

              288KB

              MD5

              51e3ef0a1d7922b7f8a12d2f71884f1a

              SHA1

              c4d962755aff62b1645e930e516fed964dfe2d78

              SHA256

              34567116a4502f378362327e1cde0dcaed0cee3c62f9fa651e8d52d44e49e54e

              SHA512

              e1c6413dbb16434372afcb99c068971ef5a72243768488e93adb915f32c3850f7e34ecb1967b669e2bd658ff7f1e185c009bc7caff8753cc5ba42910145575f7

            • C:\Users\Admin\AppData\Local\Temp\u198.1.exe

              Filesize

              4.6MB

              MD5

              397926927bca55be4a77839b1c44de6e

              SHA1

              e10f3434ef3021c399dbba047832f02b3c898dbd

              SHA256

              4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

              SHA512

              cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

            • memory/712-208-0x0000000071CA0000-0x0000000072450000-memory.dmp

              Filesize

              7.7MB

            • memory/712-205-0x0000000003130000-0x0000000003140000-memory.dmp

              Filesize

              64KB

            • memory/712-203-0x0000000071CA0000-0x0000000072450000-memory.dmp

              Filesize

              7.7MB

            • memory/712-202-0x0000000000F60000-0x0000000000F80000-memory.dmp

              Filesize

              128KB

            • memory/1432-175-0x0000014B7F990000-0x0000014B7F9B2000-memory.dmp

              Filesize

              136KB

            • memory/1432-160-0x0000014B7E390000-0x0000014B7E3A0000-memory.dmp

              Filesize

              64KB

            • memory/1432-214-0x0000014B7E390000-0x0000014B7E3A0000-memory.dmp

              Filesize

              64KB

            • memory/1432-213-0x0000014B7E390000-0x0000014B7E3A0000-memory.dmp

              Filesize

              64KB

            • memory/1432-212-0x0000014B7E390000-0x0000014B7E3A0000-memory.dmp

              Filesize

              64KB

            • memory/1432-211-0x0000014B7E390000-0x0000014B7E3A0000-memory.dmp

              Filesize

              64KB

            • memory/1432-210-0x0000014B7E390000-0x0000014B7E3A0000-memory.dmp

              Filesize

              64KB

            • memory/1432-137-0x00007FFFD67B0000-0x00007FFFD7271000-memory.dmp

              Filesize

              10.8MB

            • memory/1432-138-0x0000014B60270000-0x0000014B63B68000-memory.dmp

              Filesize

              57.0MB

            • memory/1432-139-0x0000014B7E390000-0x0000014B7E3A0000-memory.dmp

              Filesize

              64KB

            • memory/1432-140-0x0000014B7E4A0000-0x0000014B7E5B0000-memory.dmp

              Filesize

              1.1MB

            • memory/1432-141-0x0000014B63F50000-0x0000014B63F60000-memory.dmp

              Filesize

              64KB

            • memory/1432-142-0x0000014B658A0000-0x0000014B658AC000-memory.dmp

              Filesize

              48KB

            • memory/1432-143-0x0000014B63F60000-0x0000014B63F74000-memory.dmp

              Filesize

              80KB

            • memory/1432-144-0x0000014B7E110000-0x0000014B7E134000-memory.dmp

              Filesize

              144KB

            • memory/1432-145-0x0000014B7E130000-0x0000014B7E13A000-memory.dmp

              Filesize

              40KB

            • memory/1432-146-0x0000014B7E150000-0x0000014B7E17A000-memory.dmp

              Filesize

              168KB

            • memory/1432-147-0x0000014B7E2B0000-0x0000014B7E362000-memory.dmp

              Filesize

              712KB

            • memory/1432-149-0x0000014B7E770000-0x0000014B7E7D2000-memory.dmp

              Filesize

              392KB

            • memory/1432-148-0x0000014B7E6F0000-0x0000014B7E76A000-memory.dmp

              Filesize

              488KB

            • memory/1432-150-0x0000014B7E850000-0x0000014B7E8C6000-memory.dmp

              Filesize

              472KB

            • memory/1432-151-0x0000014B7E140000-0x0000014B7E14A000-memory.dmp

              Filesize

              40KB

            • memory/1432-155-0x0000014B7E8D0000-0x0000014B7EBD0000-memory.dmp

              Filesize

              3.0MB

            • memory/1432-157-0x0000014B7E390000-0x0000014B7E3A0000-memory.dmp

              Filesize

              64KB

            • memory/1432-209-0x00007FFFD67B0000-0x00007FFFD7271000-memory.dmp

              Filesize

              10.8MB

            • memory/1432-158-0x0000014B7F280000-0x0000014B7F288000-memory.dmp

              Filesize

              32KB

            • memory/1432-176-0x0000014B7F9C0000-0x0000014B7F9DE000-memory.dmp

              Filesize

              120KB

            • memory/1432-161-0x0000014B7F950000-0x0000014B7F988000-memory.dmp

              Filesize

              224KB

            • memory/1432-162-0x0000014B7F290000-0x0000014B7F29E000-memory.dmp

              Filesize

              56KB

            • memory/1432-163-0x0000014B03FE0000-0x0000014B03FEA000-memory.dmp

              Filesize

              40KB

            • memory/1432-164-0x0000014B03D60000-0x0000014B03D82000-memory.dmp

              Filesize

              136KB

            • memory/1432-165-0x0000014B04520000-0x0000014B04A48000-memory.dmp

              Filesize

              5.2MB

            • memory/1432-170-0x0000014B7E390000-0x0000014B7E3A0000-memory.dmp

              Filesize

              64KB

            • memory/1432-169-0x0000014B03D80000-0x0000014B03D8C000-memory.dmp

              Filesize

              48KB

            • memory/1432-168-0x0000014B7F9E0000-0x0000014B7FA30000-memory.dmp

              Filesize

              320KB

            • memory/1628-3-0x0000000000400000-0x0000000000889000-memory.dmp

              Filesize

              4.5MB

            • memory/1628-32-0x0000000002610000-0x000000000267C000-memory.dmp

              Filesize

              432KB

            • memory/1628-31-0x0000000000400000-0x0000000000889000-memory.dmp

              Filesize

              4.5MB

            • memory/1628-1-0x0000000000A70000-0x0000000000B70000-memory.dmp

              Filesize

              1024KB

            • memory/1628-2-0x0000000002610000-0x000000000267C000-memory.dmp

              Filesize

              432KB

            • memory/4404-124-0x0000000000400000-0x00000000008AD000-memory.dmp

              Filesize

              4.7MB

            • memory/4404-136-0x0000000000400000-0x00000000008AD000-memory.dmp

              Filesize

              4.7MB

            • memory/4404-26-0x0000000000940000-0x0000000000941000-memory.dmp

              Filesize

              4KB

            • memory/4988-14-0x00000000009C0000-0x00000000009E7000-memory.dmp

              Filesize

              156KB

            • memory/4988-204-0x0000000000400000-0x0000000000866000-memory.dmp

              Filesize

              4.4MB

            • memory/4988-13-0x0000000000AA0000-0x0000000000BA0000-memory.dmp

              Filesize

              1024KB

            • memory/4988-15-0x0000000000400000-0x0000000000866000-memory.dmp

              Filesize

              4.4MB

            • memory/4988-159-0x0000000000AA0000-0x0000000000BA0000-memory.dmp

              Filesize

              1024KB

            • memory/4988-123-0x0000000000400000-0x0000000000866000-memory.dmp

              Filesize

              4.4MB

            • memory/4988-177-0x0000000000400000-0x0000000000866000-memory.dmp

              Filesize

              4.4MB

            • memory/4988-37-0x0000000061E00000-0x0000000061EF3000-memory.dmp

              Filesize

              972KB