Analysis

  • max time kernel
    138s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-05-2024 09:56

General

  • Target

    32fa0a62c6bf5d4318a28d9855c79fbe1dde58fe38b8897a8be6fe4699009b8e.exe

  • Size

    372KB

  • MD5

    6e5cbd57d8fa3fcaf149c2f75c4f542e

  • SHA1

    4f83ca866eb64346549b7fe56d640efdde0484d3

  • SHA256

    32fa0a62c6bf5d4318a28d9855c79fbe1dde58fe38b8897a8be6fe4699009b8e

  • SHA512

    7cdc040288bb740bf4916e947c6e2f9a3a04e4823700ac9d0a743112d3cbe7c6d3b1b31c7b1e1fc2427bcfb3ebc6e6ec8c8dec4ed88672e1164e0028f7a1f9cc

  • SSDEEP

    6144:ipFxc1jv9NVJYCdB7H2CatlcKxtgIxvO6nuotVmUn5f9MyEITzvT7s:ipFxQVTJYcB71YtgIxvO6uorDTL3Tfs

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\32fa0a62c6bf5d4318a28d9855c79fbe1dde58fe38b8897a8be6fe4699009b8e.exe
    "C:\Users\Admin\AppData\Local\Temp\32fa0a62c6bf5d4318a28d9855c79fbe1dde58fe38b8897a8be6fe4699009b8e.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3552
    • C:\Users\Admin\AppData\Local\Temp\u2qo.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u2qo.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:1572
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1572 -s 2432
        3⤵
        • Program crash
        PID:2440
    • C:\Users\Admin\AppData\Local\Temp\u2qo.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u2qo.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:4184
      • 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:2920
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3552 -s 1520
      2⤵
      • Program crash
      PID:1888
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3552 -ip 3552
    1⤵
      PID:1448
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1572 -ip 1572
      1⤵
        PID:4596

      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\u2qo.0.exe

        Filesize

        230KB

        MD5

        3fb9035368d04ac2ac3adab9ce20d61c

        SHA1

        d1b8c0ff81ea938bd8d33fa429f057f3a6fe8795

        SHA256

        566cda535fe8f8c0d3477479b7f3b6621204b3de2724da2a7cf3aedd52a0a9df

        SHA512

        f13b40137f21e93f336910dc6e739936ba3283d5b682f6b54c41a87ee8ddda853e8d5cb15439b785db18b1422d995fb9a126c5f1af0c2c4134e948f1305c51c3

      • C:\Users\Admin\AppData\Local\Temp\u2qo.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/1572-53-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/1572-169-0x0000000000400000-0x0000000002575000-memory.dmp

        Filesize

        33.5MB

      • memory/1572-134-0x0000000000400000-0x0000000002575000-memory.dmp

        Filesize

        33.5MB

      • memory/1572-49-0x0000000000400000-0x0000000002575000-memory.dmp

        Filesize

        33.5MB

      • memory/2920-107-0x000002C01B680000-0x000002C01B732000-memory.dmp

        Filesize

        712KB

      • memory/2920-117-0x000002C01BA90000-0x000002C01BD90000-memory.dmp

        Filesize

        3.0MB

      • memory/2920-135-0x000002C082770000-0x000002C08278E000-memory.dmp

        Filesize

        120KB

      • memory/2920-99-0x000002C07EE40000-0x000002C082674000-memory.dmp

        Filesize

        56.2MB

      • memory/2920-100-0x000002C01B840000-0x000002C01B94A000-memory.dmp

        Filesize

        1.0MB

      • memory/2920-101-0x000002C001CB0000-0x000002C001CC0000-memory.dmp

        Filesize

        64KB

      • memory/2920-102-0x000002C01A470000-0x000002C01A47C000-memory.dmp

        Filesize

        48KB

      • memory/2920-103-0x000002C01A460000-0x000002C01A474000-memory.dmp

        Filesize

        80KB

      • memory/2920-104-0x000002C01A4C0000-0x000002C01A4E4000-memory.dmp

        Filesize

        144KB

      • memory/2920-105-0x000002C01B350000-0x000002C01B35A000-memory.dmp

        Filesize

        40KB

      • memory/2920-106-0x000002C01B370000-0x000002C01B39A000-memory.dmp

        Filesize

        168KB

      • memory/2920-133-0x000002C082850000-0x000002C0828C6000-memory.dmp

        Filesize

        472KB

      • memory/2920-111-0x000002C0826D0000-0x000002C082720000-memory.dmp

        Filesize

        320KB

      • memory/2920-112-0x000002C082720000-0x000002C082742000-memory.dmp

        Filesize

        136KB

      • memory/2920-113-0x000002C01B360000-0x000002C01B36A000-memory.dmp

        Filesize

        40KB

      • memory/2920-129-0x000002C01FE20000-0x000002C01FE2C000-memory.dmp

        Filesize

        48KB

      • memory/2920-119-0x000002C082690000-0x000002C082698000-memory.dmp

        Filesize

        32KB

      • memory/2920-121-0x000002C0826A0000-0x000002C0826AE000-memory.dmp

        Filesize

        56KB

      • memory/2920-120-0x000002C082790000-0x000002C0827C8000-memory.dmp

        Filesize

        224KB

      • memory/2920-122-0x000002C0826B0000-0x000002C0826B8000-memory.dmp

        Filesize

        32KB

      • memory/2920-123-0x000002C01FDE0000-0x000002C01FDEA000-memory.dmp

        Filesize

        40KB

      • memory/2920-124-0x000002C020ED0000-0x000002C020F32000-memory.dmp

        Filesize

        392KB

      • memory/2920-125-0x000002C01FE00000-0x000002C01FE22000-memory.dmp

        Filesize

        136KB

      • memory/2920-126-0x000002C021460000-0x000002C021988000-memory.dmp

        Filesize

        5.2MB

      • memory/3552-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/3552-28-0x0000000000400000-0x0000000002599000-memory.dmp

        Filesize

        33.6MB

      • memory/3552-29-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/3552-4-0x0000000000400000-0x0000000002599000-memory.dmp

        Filesize

        33.6MB

      • memory/3552-1-0x0000000002720000-0x0000000002820000-memory.dmp

        Filesize

        1024KB

      • memory/3552-2-0x00000000041C0000-0x000000000422C000-memory.dmp

        Filesize

        432KB

      • memory/4184-51-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/4184-95-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB