Analysis

  • max time kernel
    126s
  • max time network
    132s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-04-2024 09:48

General

  • Target

    9152f85d31e23e6075121ce763ac0b0cd6244d29f8e84bc7b7e739f55de583e6.exe

  • Size

    359KB

  • MD5

    ebfc28d0f68e343474449e679227817d

  • SHA1

    1f1019e3081ac2256d9bae25b9cccd73528a58bd

  • SHA256

    9152f85d31e23e6075121ce763ac0b0cd6244d29f8e84bc7b7e739f55de583e6

  • SHA512

    15cde2a3b3dada7772b042d5260f80bbc5bd232785a66e945e7dc1410ef5a92e7a1cc80f6fd7a6d7dc6a6deda47523d428e9eb5de06472a06451fecbcf121f47

  • SSDEEP

    6144:XnqaECNPTFkBgWFtBaNzFbwhkzp/LU++d0RIxgZk+mGMeja/K5+QEhIl:6a9NPTF8LFt6Jvzp/L2+Ixp1Gxj4KihA

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 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\9152f85d31e23e6075121ce763ac0b0cd6244d29f8e84bc7b7e739f55de583e6.exe
    "C:\Users\Admin\AppData\Local\Temp\9152f85d31e23e6075121ce763ac0b0cd6244d29f8e84bc7b7e739f55de583e6.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3044
    • C:\Users\Admin\AppData\Local\Temp\u2ck.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u2ck.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:1844
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\IDHDGIEHJJ.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4032
        • C:\Users\Admin\AppData\Local\Temp\IDHDGIEHJJ.exe
          "C:\Users\Admin\AppData\Local\Temp\IDHDGIEHJJ.exe"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:4960
          • 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\IDHDGIEHJJ.exe
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:2572
            • C:\Windows\SysWOW64\PING.EXE
              ping 2.2.2.2 -n 1 -w 3000
              6⤵
              • Runs ping.exe
              PID:4988
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1844 -s 2348
        3⤵
        • Program crash
        PID:3116
    • C:\Users\Admin\AppData\Local\Temp\u2ck.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u2ck.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:1440
      • 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:1648
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3044 -s 1148
      2⤵
      • Program crash
      PID:2624
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3044 -ip 3044
    1⤵
      PID:1452
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 1844 -ip 1844
      1⤵
        PID:4040

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Credential Access

      Unsecured Credentials

      3
      T1552

      Credentials In Files

      3
      T1552.001

      Discovery

      Query Registry

      4
      T1012

      System Information Discovery

      4
      T1082

      Peripheral Device Discovery

      1
      T1120

      Remote System Discovery

      1
      T1018

      Collection

      Data from Local System

      3
      T1005

      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\IDHDGIEHJJ.exe
        Filesize

        106KB

        MD5

        fe380780b5c35bd6d54541791151c2be

        SHA1

        7fe3a583cf91474c733f85cebf3c857682e269e1

        SHA256

        b64a84d1f88e4e78464a1901c1cb5bbd5f00bb73203d719e64e072157a087b53

        SHA512

        ba05ba8aa13c4bc1cf98fbf6c08b021e8b19354098e0397fc8e1e5d3dcce367c1063203f24e50d0973193f6535681d0a43486e5dade5d112853b7a2fe8739b6c

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

        3KB

        MD5

        a4f99b10821af013ae0c2f8f84d4b5bc

        SHA1

        5dad9c936c7d55e5d01626482138e73d697ec9c8

        SHA256

        c2f06e4aabbe59dd3879cb4f2656ddf5283150cf306bcc64f6259f7d363d4415

        SHA512

        e4063216db60371ac588dbebe767f54e1cd5b130dae331f9e11d7cbb35f893e2c86c1ce27d0c19937795f4b65785e71d3bc5ccc4f378fd0fe424b34cb3b5fb11

      • C:\Users\Admin\AppData\Local\Temp\u2ck.0.exe
        Filesize

        218KB

        MD5

        e56c83770da1263eb2f14faee7adc64f

        SHA1

        f720dc655ba9f7449a4d145cab0377353bde8ab1

        SHA256

        218761e370074e320b1f371ff45f203f5b5dbfef76786e2070a0df98ccb08c0f

        SHA512

        22a6460baf44c0768a1a507567ecc2424f6d00a08cc20b51aeb657c9484efcf5014ff42f4ea5a1f4fe2c6eb7b6b982c4cec8a30d0331b68f710575e2dfa65757

      • C:\Users\Admin\AppData\Local\Temp\u2ck.1.exe
        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/1440-140-0x0000000000400000-0x00000000008AD000-memory.dmp
        Filesize

        4.7MB

      • memory/1440-128-0x0000000000400000-0x00000000008AD000-memory.dmp
        Filesize

        4.7MB

      • memory/1440-26-0x00000000026A0000-0x00000000026A1000-memory.dmp
        Filesize

        4KB

      • memory/1648-153-0x000001A52C8D0000-0x000001A52C932000-memory.dmp
        Filesize

        392KB

      • memory/1648-163-0x000001A5117C0000-0x000001A5117D0000-memory.dmp
        Filesize

        64KB

      • memory/1648-203-0x000001A5117C0000-0x000001A5117D0000-memory.dmp
        Filesize

        64KB

      • memory/1648-199-0x000001A5117C0000-0x000001A5117D0000-memory.dmp
        Filesize

        64KB

      • memory/1648-198-0x000001A5117C0000-0x000001A5117D0000-memory.dmp
        Filesize

        64KB

      • memory/1648-182-0x000001A5117C0000-0x000001A5117D0000-memory.dmp
        Filesize

        64KB

      • memory/1648-181-0x000001A5117C0000-0x000001A5117D0000-memory.dmp
        Filesize

        64KB

      • memory/1648-180-0x00007FFBC3520000-0x00007FFBC3FE1000-memory.dmp
        Filesize

        10.8MB

      • memory/1648-141-0x00007FFBC3520000-0x00007FFBC3FE1000-memory.dmp
        Filesize

        10.8MB

      • memory/1648-142-0x000001A50D9F0000-0x000001A5112E8000-memory.dmp
        Filesize

        57.0MB

      • memory/1648-143-0x000001A5117C0000-0x000001A5117D0000-memory.dmp
        Filesize

        64KB

      • memory/1648-144-0x000001A52CA50000-0x000001A52CB60000-memory.dmp
        Filesize

        1.1MB

      • memory/1648-145-0x000001A511710000-0x000001A511720000-memory.dmp
        Filesize

        64KB

      • memory/1648-146-0x000001A5117E0000-0x000001A5117EC000-memory.dmp
        Filesize

        48KB

      • memory/1648-147-0x000001A5117D0000-0x000001A5117E4000-memory.dmp
        Filesize

        80KB

      • memory/1648-148-0x000001A52B8D0000-0x000001A52B8F4000-memory.dmp
        Filesize

        144KB

      • memory/1648-149-0x000001A5117F0000-0x000001A5117FA000-memory.dmp
        Filesize

        40KB

      • memory/1648-150-0x000001A52CCA0000-0x000001A52CD52000-memory.dmp
        Filesize

        712KB

      • memory/1648-152-0x000001A52CD50000-0x000001A52CDCA000-memory.dmp
        Filesize

        488KB

      • memory/1648-151-0x000001A52B8F0000-0x000001A52B91A000-memory.dmp
        Filesize

        168KB

      • memory/1648-176-0x000001A532170000-0x000001A53218E000-memory.dmp
        Filesize

        120KB

      • memory/1648-154-0x000001A52CE50000-0x000001A52CEC6000-memory.dmp
        Filesize

        472KB

      • memory/1648-155-0x000001A5130C0000-0x000001A5130CA000-memory.dmp
        Filesize

        40KB

      • memory/1648-159-0x000001A52CED0000-0x000001A52D1D0000-memory.dmp
        Filesize

        3.0MB

      • memory/1648-161-0x000001A5117C0000-0x000001A5117D0000-memory.dmp
        Filesize

        64KB

      • memory/1648-175-0x000001A532140000-0x000001A532162000-memory.dmp
        Filesize

        136KB

      • memory/1648-162-0x000001A531880000-0x000001A531888000-memory.dmp
        Filesize

        32KB

      • memory/1648-164-0x000001A5311C0000-0x000001A5311F8000-memory.dmp
        Filesize

        224KB

      • memory/1648-165-0x000001A531190000-0x000001A53119E000-memory.dmp
        Filesize

        56KB

      • memory/1648-166-0x000001A532320000-0x000001A53232A000-memory.dmp
        Filesize

        40KB

      • memory/1648-167-0x000001A532330000-0x000001A532352000-memory.dmp
        Filesize

        136KB

      • memory/1648-168-0x000001A532880000-0x000001A532DA8000-memory.dmp
        Filesize

        5.2MB

      • memory/1648-171-0x000001A5320F0000-0x000001A532140000-memory.dmp
        Filesize

        320KB

      • memory/1648-172-0x000001A5320A0000-0x000001A5320AC000-memory.dmp
        Filesize

        48KB

      • memory/1648-174-0x000001A5117C0000-0x000001A5117D0000-memory.dmp
        Filesize

        64KB

      • memory/1844-127-0x0000000000400000-0x0000000002B60000-memory.dmp
        Filesize

        39.4MB

      • memory/1844-33-0x0000000061E00000-0x0000000061EF3000-memory.dmp
        Filesize

        972KB

      • memory/1844-202-0x0000000000400000-0x0000000002B60000-memory.dmp
        Filesize

        39.4MB

      • memory/1844-13-0x0000000002E30000-0x0000000002F30000-memory.dmp
        Filesize

        1024KB

      • memory/1844-14-0x0000000002DD0000-0x0000000002DF7000-memory.dmp
        Filesize

        156KB

      • memory/1844-15-0x0000000000400000-0x0000000002B60000-memory.dmp
        Filesize

        39.4MB

      • memory/1844-173-0x0000000002E30000-0x0000000002F30000-memory.dmp
        Filesize

        1024KB

      • memory/3044-3-0x0000000000400000-0x0000000002B83000-memory.dmp
        Filesize

        39.5MB

      • memory/3044-2-0x0000000004960000-0x00000000049CC000-memory.dmp
        Filesize

        432KB

      • memory/3044-31-0x0000000000400000-0x0000000002B83000-memory.dmp
        Filesize

        39.5MB

      • memory/3044-32-0x0000000004960000-0x00000000049CC000-memory.dmp
        Filesize

        432KB

      • memory/3044-1-0x0000000002DC0000-0x0000000002EC0000-memory.dmp
        Filesize

        1024KB

      • memory/4960-200-0x0000000000970000-0x0000000000990000-memory.dmp
        Filesize

        128KB

      • memory/4960-201-0x0000000072240000-0x00000000729F0000-memory.dmp
        Filesize

        7.7MB

      • memory/4960-206-0x0000000072240000-0x00000000729F0000-memory.dmp
        Filesize

        7.7MB