Analysis

  • max time kernel
    139s
  • max time network
    141s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240419-en
  • resource tags

    arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    07-05-2024 12:47

General

  • Target

    cd54b20bc9cb3de619478bce043578ba0cb1dbabd6ba736d139b42177be4f67d.exe

  • Size

    407KB

  • MD5

    3341b8143237f90be957bc0e9d349119

  • SHA1

    85e1092c18a01c05a72d8a14d015313f1343d26e

  • SHA256

    cd54b20bc9cb3de619478bce043578ba0cb1dbabd6ba736d139b42177be4f67d

  • SHA512

    f6162e7d51c4dab6ae059231ded1fda9f51773633d5799b3dd3a76673e4adc3685022abb44e4cd9598d6eb3613d7731a4c26c81ff06512ad3ef9f05e63f33210

  • SSDEEP

    6144:TRJCasp2zJZshZ3ZBtPeWNk/GW5qqSODl+40hwxv:uaVYPnYAqwp2xv

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\cd54b20bc9cb3de619478bce043578ba0cb1dbabd6ba736d139b42177be4f67d.exe
    "C:\Users\Admin\AppData\Local\Temp\cd54b20bc9cb3de619478bce043578ba0cb1dbabd6ba736d139b42177be4f67d.exe"
    1⤵
    • 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⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:2980
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2980 -s 2488
        3⤵
        • Program crash
        PID:484
    • C:\Users\Admin\AppData\Local\Temp\u198.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u198.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:5072
      • 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:4016
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1628 -s 1420
      2⤵
      • Program crash
      PID:432
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1628 -ip 1628
    1⤵
      PID:2500
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2980 -ip 2980
      1⤵
        PID:3148

      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

        2KB

        MD5

        cc5c928e058ba036963d590a5a6ee38e

        SHA1

        6d87bf82f73fbe05cf4b31576f1aeabb4cddf18c

        SHA256

        e29f11e9beae8331232f81d17bc48aa15d36bfe60a62f3cf41a7f46f76bef1c7

        SHA512

        32fce8c5caef44f4549ffeffd30fa92d1f666a5b734eee82af507ee939fe13d71aa797a5a1e54f017a376b46b313993336553dd1db4511ab2de2586991b81c29

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

        Filesize

        266KB

        MD5

        90a0c06e1263e06041273847eb153af6

        SHA1

        bce52648d68c64eaf2e4213f8d43d5b6f32c78d5

        SHA256

        99b0b508a7c79af7fa71aa025fa4c9c5cb7ca6b13e5f7a1d213f2ee2853f8789

        SHA512

        8d1ee4bd74fe35f6fd18d2cbdc7115aba197d5e883dc3123dfcc7582baf790b8221608fcff746795eaa481c13010247bfcae64d2ded14f08cca90e3b6a87349c

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

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/1628-2-0x0000000002FA0000-0x000000000300C000-memory.dmp

        Filesize

        432KB

      • memory/1628-1-0x0000000002DA0000-0x0000000002EA0000-memory.dmp

        Filesize

        1024KB

      • memory/1628-13-0x0000000000400000-0x0000000002B23000-memory.dmp

        Filesize

        39.1MB

      • memory/1628-29-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/1628-28-0x0000000000400000-0x0000000002B23000-memory.dmp

        Filesize

        39.1MB

      • memory/1628-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/2980-34-0x0000000000400000-0x0000000002AFF000-memory.dmp

        Filesize

        39.0MB

      • memory/2980-54-0x0000000000400000-0x0000000002AFF000-memory.dmp

        Filesize

        39.0MB

      • memory/2980-165-0x0000000000400000-0x0000000002AFF000-memory.dmp

        Filesize

        39.0MB

      • memory/2980-35-0x0000000000400000-0x0000000002AFF000-memory.dmp

        Filesize

        39.0MB

      • memory/2980-76-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/4016-71-0x000001B9B8BC0000-0x000001B9B8BCA000-memory.dmp

        Filesize

        40KB

      • memory/4016-126-0x000001B9D5D40000-0x000001B9D5D4E000-memory.dmp

        Filesize

        56KB

      • memory/4016-70-0x000001B9B8BA0000-0x000001B9B8BC4000-memory.dmp

        Filesize

        144KB

      • memory/4016-67-0x000001B9B8AF0000-0x000001B9B8B00000-memory.dmp

        Filesize

        64KB

      • memory/4016-72-0x000001B9D14D0000-0x000001B9D14FA000-memory.dmp

        Filesize

        168KB

      • memory/4016-73-0x000001B9D18B0000-0x000001B9D1962000-memory.dmp

        Filesize

        712KB

      • memory/4016-74-0x000001B9D19B0000-0x000001B9D1A00000-memory.dmp

        Filesize

        320KB

      • memory/4016-75-0x000001B9D1960000-0x000001B9D1982000-memory.dmp

        Filesize

        136KB

      • memory/4016-68-0x000001B9B8B20000-0x000001B9B8B2C000-memory.dmp

        Filesize

        48KB

      • memory/4016-103-0x000001B9B7280000-0x000001B9B728A000-memory.dmp

        Filesize

        40KB

      • memory/4016-113-0x000001B9D1A00000-0x000001B9D1D00000-memory.dmp

        Filesize

        3.0MB

      • memory/4016-124-0x000001B9D5DF0000-0x000001B9D5DF8000-memory.dmp

        Filesize

        32KB

      • memory/4016-125-0x000001B9D5D70000-0x000001B9D5DA8000-memory.dmp

        Filesize

        224KB

      • memory/4016-69-0x000001B9B8B10000-0x000001B9B8B24000-memory.dmp

        Filesize

        80KB

      • memory/4016-127-0x000001B9D5D60000-0x000001B9D5D68000-memory.dmp

        Filesize

        32KB

      • memory/4016-130-0x000001B9D6760000-0x000001B9D6782000-memory.dmp

        Filesize

        136KB

      • memory/4016-129-0x000001B9D6700000-0x000001B9D6762000-memory.dmp

        Filesize

        392KB

      • memory/4016-128-0x000001B9D6450000-0x000001B9D645A000-memory.dmp

        Filesize

        40KB

      • memory/4016-131-0x000001B9D6CB0000-0x000001B9D71D8000-memory.dmp

        Filesize

        5.2MB

      • memory/4016-134-0x000001B9D6470000-0x000001B9D647C000-memory.dmp

        Filesize

        48KB

      • memory/4016-138-0x000001B9D6850000-0x000001B9D68C6000-memory.dmp

        Filesize

        472KB

      • memory/4016-66-0x000001B9D1650000-0x000001B9D175A000-memory.dmp

        Filesize

        1.0MB

      • memory/4016-65-0x000001B9B35E0000-0x000001B9B6E14000-memory.dmp

        Filesize

        56.2MB

      • memory/4016-166-0x000001B9D1E20000-0x000001B9D1E3E000-memory.dmp

        Filesize

        120KB

      • memory/5072-51-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/5072-64-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB