Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-05-2024 22:01

General

  • Target

    ec8104aab07ddf7065876fcbbf0b2e3bdcd0f0ea2176f9221b4e96aa35aab9d4.exe

  • Size

    388KB

  • MD5

    496885aedc5f780f17d45733c700370e

  • SHA1

    5f053414f384a1e8f6afb86646c4a2ceea7524b6

  • SHA256

    ec8104aab07ddf7065876fcbbf0b2e3bdcd0f0ea2176f9221b4e96aa35aab9d4

  • SHA512

    5e28651e7fda64b309cb44d87da681b8cf031a10d477c47b4db733b431d4c98c94a5f42bf33406f5763acfe9b05872ee1aceac123090a41661bdf513988ccf6a

  • SSDEEP

    12288:aG1ixU5HEhboNYNJHxqi4vdf4qLfxmGL4:aGMnhbvrHwi4vdAqL0GL4

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
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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\ec8104aab07ddf7065876fcbbf0b2e3bdcd0f0ea2176f9221b4e96aa35aab9d4.exe
    "C:\Users\Admin\AppData\Local\Temp\ec8104aab07ddf7065876fcbbf0b2e3bdcd0f0ea2176f9221b4e96aa35aab9d4.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:216
    • C:\Users\Admin\AppData\Local\Temp\u60.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u60.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:380
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 380 -s 2372
        3⤵
        • Program crash
        PID:716
    • C:\Users\Admin\AppData\Local\Temp\u60.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u60.1.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:852
      • 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:4740
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 216 -s 1152
      2⤵
      • Program crash
      PID:2844
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 216 -ip 216
    1⤵
      PID:8
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 380 -ip 380
      1⤵
        PID:2684

      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

        2f5e8bd452d1d27877d1bfe21181ddd0

        SHA1

        0203ec113012e43b96b13d03ae3e193117bf37d8

        SHA256

        043ab7ee6c47d2672bbbd87f9b6b94cffa0ec4967bf9b48d5f2b0abfa1681c50

        SHA512

        d04d21c4dea2057ca60c04038b506064ba8480fa25833f0561018547b65ec744f53fecd602a8ccfa9fe09d7f926549041c23660951d560307804c2c4de29f63a

      • C:\Users\Admin\AppData\Local\Temp\u60.0.exe

        Filesize

        245KB

        MD5

        5ea66fe490011da271a673577bad5bde

        SHA1

        04191be80d32e89c876840af14ad9352a0c1eff2

        SHA256

        a8b093f291c9d435b8c9f832e7817a854e04290da381672de6234b031b2cf3a0

        SHA512

        6ae839e1e59cc1ab2abd4c8dec88cef0d1e89110614d443d6e64b99faa2dba8b1d4b9a00824cfe91f94c29e32413a7ff3448249aee342349868a0dab9bd3db97

      • C:\Users\Admin\AppData\Local\Temp\u60.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/216-26-0x0000000000400000-0x000000000259D000-memory.dmp

        Filesize

        33.6MB

      • memory/216-27-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/216-2-0x00000000041D0000-0x000000000423C000-memory.dmp

        Filesize

        432KB

      • memory/216-1-0x0000000002620000-0x0000000002720000-memory.dmp

        Filesize

        1024KB

      • memory/216-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/380-62-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/380-167-0x0000000000400000-0x0000000002579000-memory.dmp

        Filesize

        33.5MB

      • memory/380-155-0x0000000000400000-0x0000000002579000-memory.dmp

        Filesize

        33.5MB

      • memory/852-49-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/852-60-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/4740-61-0x000001AF4A860000-0x000001AF4E094000-memory.dmp

        Filesize

        56.2MB

      • memory/4740-144-0x000001AF6E750000-0x000001AF6E788000-memory.dmp

        Filesize

        224KB

      • memory/4740-110-0x000001AF6A000000-0x000001AF6A02A000-memory.dmp

        Filesize

        168KB

      • memory/4740-114-0x000001AF6A320000-0x000001AF6A3D2000-memory.dmp

        Filesize

        712KB

      • memory/4740-99-0x000001AF68530000-0x000001AF68554000-memory.dmp

        Filesize

        144KB

      • memory/4740-123-0x000001AF6A3D0000-0x000001AF6A420000-memory.dmp

        Filesize

        320KB

      • memory/4740-98-0x000001AF684D0000-0x000001AF684E4000-memory.dmp

        Filesize

        80KB

      • memory/4740-127-0x000001AF6A060000-0x000001AF6A082000-memory.dmp

        Filesize

        136KB

      • memory/4740-137-0x000001AF68560000-0x000001AF6856A000-memory.dmp

        Filesize

        40KB

      • memory/4740-141-0x000001AF6A420000-0x000001AF6A720000-memory.dmp

        Filesize

        3.0MB

      • memory/4740-143-0x000001AF6A0B0000-0x000001AF6A0B8000-memory.dmp

        Filesize

        32KB

      • memory/4740-109-0x000001AF68550000-0x000001AF6855A000-memory.dmp

        Filesize

        40KB

      • memory/4740-146-0x000001AF6E740000-0x000001AF6E748000-memory.dmp

        Filesize

        32KB

      • memory/4740-145-0x000001AF6E720000-0x000001AF6E72E000-memory.dmp

        Filesize

        56KB

      • memory/4740-147-0x000001AF6F620000-0x000001AF6F62A000-memory.dmp

        Filesize

        40KB

      • memory/4740-148-0x000001AF6F8E0000-0x000001AF6F942000-memory.dmp

        Filesize

        392KB

      • memory/4740-149-0x000001AF6F630000-0x000001AF6F652000-memory.dmp

        Filesize

        136KB

      • memory/4740-150-0x000001AF6FE70000-0x000001AF70398000-memory.dmp

        Filesize

        5.2MB

      • memory/4740-153-0x000001AF6F660000-0x000001AF6F66C000-memory.dmp

        Filesize

        48KB

      • memory/4740-154-0x000001AF6F740000-0x000001AF6F7B6000-memory.dmp

        Filesize

        472KB

      • memory/4740-96-0x000001AF684C0000-0x000001AF684D0000-memory.dmp

        Filesize

        64KB

      • memory/4740-156-0x000001AF6F6A0000-0x000001AF6F6BE000-memory.dmp

        Filesize

        120KB

      • memory/4740-97-0x000001AF684E0000-0x000001AF684EC000-memory.dmp

        Filesize

        48KB

      • memory/4740-95-0x000001AF6A0D0000-0x000001AF6A1DA000-memory.dmp

        Filesize

        1.0MB