Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-05-2024 10:00

General

  • Target

    db752e492f251886f8a00cfe5b77725a74c72daafa4c01d84702826f5ba8e163.exe

  • Size

    417KB

  • MD5

    aa9387b6b6560c70cd85a9f7a4e8f40b

  • SHA1

    a6a3a4c94d1e023f682baa98532be8719dd11381

  • SHA256

    db752e492f251886f8a00cfe5b77725a74c72daafa4c01d84702826f5ba8e163

  • SHA512

    9b580e255018cc9920ebf900a2c227c87686716d7bf14bdbfde7cb21c8e848781b4601880611b6d2d2c59ab0d8edf54655f1dfda272bedc304c9a08e8ba03d8c

  • SSDEEP

    12288:0H9S9mUikIgN8hRxsG207aR7FPDROmjLtNeoDP:0d7mkRH7MJbjL5P

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 30 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\db752e492f251886f8a00cfe5b77725a74c72daafa4c01d84702826f5ba8e163.exe
    "C:\Users\Admin\AppData\Local\Temp\db752e492f251886f8a00cfe5b77725a74c72daafa4c01d84702826f5ba8e163.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:700
    • C:\Users\Admin\AppData\Local\Temp\ujg.0.exe
      "C:\Users\Admin\AppData\Local\Temp\ujg.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:3748
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3748 -s 2384
        3⤵
        • Program crash
        PID:4796
    • C:\Users\Admin\AppData\Local\Temp\ujg.1.exe
      "C:\Users\Admin\AppData\Local\Temp\ujg.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:3960
      • 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:3940
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 700 -s 976
      2⤵
      • Program crash
      PID:2684
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 700 -ip 700
    1⤵
      PID:4900
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 3748 -ip 3748
      1⤵
        PID:3252

      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\ujg.0.exe

        Filesize

        275KB

        MD5

        4d59827a760364256f740c2cad58d8f6

        SHA1

        5a8f9783ae132ffeff811601207ed7b92d7e38db

        SHA256

        10b53636b794b111435f1213332cb9e36455457d51748f9057e893e0b93ca654

        SHA512

        2acf56000787d5da0476b2959c189abdf01a8bef0badb38607f3d1a92ea42cc8564ef29684f73f49683fbc49d54d6a6e8e05c64d00ce931a45435b3590bb8f1f

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

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/700-27-0x0000000000400000-0x0000000002B25000-memory.dmp

        Filesize

        39.1MB

      • memory/700-30-0x0000000004770000-0x00000000047DC000-memory.dmp

        Filesize

        432KB

      • memory/700-29-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/700-1-0x0000000002BC0000-0x0000000002CC0000-memory.dmp

        Filesize

        1024KB

      • memory/700-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/700-2-0x0000000004770000-0x00000000047DC000-memory.dmp

        Filesize

        432KB

      • memory/3748-35-0x0000000000400000-0x0000000002B02000-memory.dmp

        Filesize

        39.0MB

      • memory/3748-51-0x0000000000400000-0x0000000002B02000-memory.dmp

        Filesize

        39.0MB

      • memory/3748-52-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/3748-171-0x0000000000400000-0x0000000002B02000-memory.dmp

        Filesize

        39.0MB

      • memory/3748-160-0x0000000000400000-0x0000000002B02000-memory.dmp

        Filesize

        39.0MB

      • memory/3940-117-0x00000240E1D90000-0x00000240E1DB2000-memory.dmp

        Filesize

        136KB

      • memory/3940-125-0x00000240E6100000-0x00000240E6138000-memory.dmp

        Filesize

        224KB

      • memory/3940-108-0x00000240E1860000-0x00000240E196A000-memory.dmp

        Filesize

        1.0MB

      • memory/3940-115-0x00000240E1C40000-0x00000240E1CF2000-memory.dmp

        Filesize

        712KB

      • memory/3940-111-0x00000240C67F0000-0x00000240C6804000-memory.dmp

        Filesize

        80KB

      • memory/3940-116-0x00000240E1D40000-0x00000240E1D90000-memory.dmp

        Filesize

        320KB

      • memory/3940-114-0x00000240E1C10000-0x00000240E1C3A000-memory.dmp

        Filesize

        168KB

      • memory/3940-113-0x00000240E1970000-0x00000240E197A000-memory.dmp

        Filesize

        40KB

      • memory/3940-122-0x00000240E1DC0000-0x00000240E20C0000-memory.dmp

        Filesize

        3.0MB

      • memory/3940-118-0x00000240E1980000-0x00000240E198A000-memory.dmp

        Filesize

        40KB

      • memory/3940-124-0x00000240E67C0000-0x00000240E67C8000-memory.dmp

        Filesize

        32KB

      • memory/3940-126-0x00000240E60D0000-0x00000240E60DE000-memory.dmp

        Filesize

        56KB

      • memory/3940-127-0x00000240E60F0000-0x00000240E60F8000-memory.dmp

        Filesize

        32KB

      • memory/3940-109-0x00000240C67E0000-0x00000240C67F0000-memory.dmp

        Filesize

        64KB

      • memory/3940-130-0x00000240E72F0000-0x00000240E7312000-memory.dmp

        Filesize

        136KB

      • memory/3940-129-0x00000240E7290000-0x00000240E72F2000-memory.dmp

        Filesize

        392KB

      • memory/3940-128-0x00000240E6FE0000-0x00000240E6FEA000-memory.dmp

        Filesize

        40KB

      • memory/3940-131-0x00000240E7840000-0x00000240E7D68000-memory.dmp

        Filesize

        5.2MB

      • memory/3940-134-0x00000240E7000000-0x00000240E700C000-memory.dmp

        Filesize

        48KB

      • memory/3940-135-0x00000240E73E0000-0x00000240E7456000-memory.dmp

        Filesize

        472KB

      • memory/3940-112-0x00000240C6810000-0x00000240C6834000-memory.dmp

        Filesize

        144KB

      • memory/3940-110-0x00000240C6800000-0x00000240C680C000-memory.dmp

        Filesize

        48KB

      • memory/3940-159-0x00000240E7340000-0x00000240E735E000-memory.dmp

        Filesize

        120KB

      • memory/3940-104-0x00000240C2AD0000-0x00000240C6304000-memory.dmp

        Filesize

        56.2MB

      • memory/3960-103-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/3960-85-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB