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Analysis

  • max time kernel
    146s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240426-en
  • resource tags

    arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    06/05/2024, 23:20

General

  • Target

    1b96d860921481cc774c4adf05e1688d9a8d6cc7481e9fc24fd9a05b537a6722.exe

  • Size

    449KB

  • MD5

    2713d2fd750f1752932dd73ad4e6147d

  • SHA1

    af58830ec12e543d71ef8523c59b4f9b181f5eb1

  • SHA256

    1b96d860921481cc774c4adf05e1688d9a8d6cc7481e9fc24fd9a05b537a6722

  • SHA512

    7faed9bb59ad843bb4d9188345f4151033af3dd9b4d4c1d456d6bfc9ff7a67db98cddb0feb209a4d91eaeeb878bdebcf859c5639f2b3f56e4421247348ab3d54

  • SSDEEP

    12288:z4kni8/6leIbaECbwZzSSR1tqRnnKPkgq:k7ba7buzVzkRKPkgq

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.150

Attributes
  • url_path

    /c698e1bc8a2f5e6d.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 2 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.

  • 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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1b96d860921481cc774c4adf05e1688d9a8d6cc7481e9fc24fd9a05b537a6722.exe
    "C:\Users\Admin\AppData\Local\Temp\1b96d860921481cc774c4adf05e1688d9a8d6cc7481e9fc24fd9a05b537a6722.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1516
    • C:\Users\Admin\AppData\Local\Temp\u164.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u164.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:568
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 568 -s 2432
        3⤵
        • Program crash
        PID:3888
    • C:\Users\Admin\AppData\Local\Temp\u164.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u164.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1728
      • 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:652
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1516 -s 1532
      2⤵
      • Program crash
      PID:3972
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1516 -ip 1516
    1⤵
      PID:4144
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 568 -ip 568
      1⤵
        PID:3096

      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\iolo\dm\ioloDMLog.txt

        Filesize

        3KB

        MD5

        96eb331b78c26f49d134d665b38e8431

        SHA1

        ac2b5403f0c978c4b718bb318360776c668c9d0c

        SHA256

        2e90168ffc18304c96a9e003d547cbb1b08a9040f7e359a53a21a4792480192b

        SHA512

        f7d8553b4079c0596871b703ea4c31711d7d3a3c4f27fe500bb04fdfb735d75db5e19d0ed49b13a680f2233ee87ec6d9ada128ef4cc2ff58854ec3106e7ca9ca

      • C:\Users\Admin\AppData\Local\Temp\u164.0.exe

        Filesize

        308KB

        MD5

        4989a0cdd90c1864f801e4f15a1f2e94

        SHA1

        f395f00b1bd62546bd0e67bea68aff3bf8bda0d2

        SHA256

        d70ca1aba20eca32e5cdc71bfde5744070a94b7022ac6ce1575aa2692a89d41e

        SHA512

        4142bea9c8cff78bc602eb8bd077b30859aa073a473764052bdd3539167138a9452a57865d33383817ee8a08c16bdba818ae9cf0ca633d83f833d48ab5a5f09f

      • C:\Users\Admin\AppData\Local\Temp\u164.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/568-15-0x0000000000400000-0x0000000001A17000-memory.dmp

        Filesize

        22.1MB

      • memory/568-14-0x0000000000400000-0x0000000001A17000-memory.dmp

        Filesize

        22.1MB

      • memory/568-26-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/568-140-0x0000000000400000-0x0000000001A17000-memory.dmp

        Filesize

        22.1MB

      • memory/568-13-0x0000000000400000-0x0000000001A17000-memory.dmp

        Filesize

        22.1MB

      • memory/568-117-0x0000000000400000-0x0000000001A17000-memory.dmp

        Filesize

        22.1MB

      • memory/568-176-0x0000000000400000-0x0000000001A17000-memory.dmp

        Filesize

        22.1MB

      • memory/652-159-0x000001BD7E080000-0x000001BD7E08E000-memory.dmp

        Filesize

        56KB

      • memory/652-147-0x000001BD79850000-0x000001BD7987A000-memory.dmp

        Filesize

        168KB

      • memory/652-169-0x000001BD7E100000-0x000001BD7E11E000-memory.dmp

        Filesize

        120KB

      • memory/652-168-0x000001BD7E5E0000-0x000001BD7E656000-memory.dmp

        Filesize

        472KB

      • memory/652-167-0x000001BD00320000-0x000001BD0032C000-memory.dmp

        Filesize

        48KB

      • memory/652-139-0x000001BD5B940000-0x000001BD5F174000-memory.dmp

        Filesize

        56.2MB

      • memory/652-164-0x000001BD00B30000-0x000001BD01058000-memory.dmp

        Filesize

        5.2MB

      • memory/652-141-0x000001BD79A10000-0x000001BD79B1A000-memory.dmp

        Filesize

        1.0MB

      • memory/652-143-0x000001BD60E20000-0x000001BD60E2C000-memory.dmp

        Filesize

        48KB

      • memory/652-144-0x000001BD60E10000-0x000001BD60E24000-memory.dmp

        Filesize

        80KB

      • memory/652-142-0x000001BD60E00000-0x000001BD60E10000-memory.dmp

        Filesize

        64KB

      • memory/652-145-0x000001BD60E40000-0x000001BD60E64000-memory.dmp

        Filesize

        144KB

      • memory/652-146-0x000001BD79710000-0x000001BD7971A000-memory.dmp

        Filesize

        40KB

      • memory/652-148-0x000001BD79C70000-0x000001BD79D22000-memory.dmp

        Filesize

        712KB

      • memory/652-149-0x000001BD79D20000-0x000001BD79D70000-memory.dmp

        Filesize

        320KB

      • memory/652-163-0x000001BD00300000-0x000001BD00322000-memory.dmp

        Filesize

        136KB

      • memory/652-150-0x000001BD79880000-0x000001BD798A2000-memory.dmp

        Filesize

        136KB

      • memory/652-151-0x000001BD60DD0000-0x000001BD60DDA000-memory.dmp

        Filesize

        40KB

      • memory/652-155-0x000001BD79D70000-0x000001BD7A070000-memory.dmp

        Filesize

        3.0MB

      • memory/652-157-0x000001BD7E070000-0x000001BD7E078000-memory.dmp

        Filesize

        32KB

      • memory/652-161-0x000001BD00580000-0x000001BD0058A000-memory.dmp

        Filesize

        40KB

      • memory/652-160-0x000001BD7E090000-0x000001BD7E098000-memory.dmp

        Filesize

        32KB

      • memory/652-158-0x000001BD7E0C0000-0x000001BD7E0F8000-memory.dmp

        Filesize

        224KB

      • memory/652-162-0x000001BD005A0000-0x000001BD00602000-memory.dmp

        Filesize

        392KB

      • memory/1516-1-0x0000000001BB0000-0x0000000001CB0000-memory.dmp

        Filesize

        1024KB

      • memory/1516-63-0x0000000000400000-0x0000000001A3A000-memory.dmp

        Filesize

        22.2MB

      • memory/1516-65-0x0000000003760000-0x00000000037CC000-memory.dmp

        Filesize

        432KB

      • memory/1516-64-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/1516-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/1516-2-0x0000000003760000-0x00000000037CC000-memory.dmp

        Filesize

        432KB

      • memory/1728-138-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/1728-118-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB