Analysis

  • max time kernel
    149s
  • max time network
    150s
  • 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, 04:44

General

  • Target

    27a8b7ed7ad0cd84c0f4233f3c930313c9042d34bfe84677f3f347467f39c696.exe

  • Size

    372KB

  • MD5

    78004df4224b21ff60ced2bfac05cc35

  • SHA1

    446710fb88702a66a90a946aa950766cad33f592

  • SHA256

    27a8b7ed7ad0cd84c0f4233f3c930313c9042d34bfe84677f3f347467f39c696

  • SHA512

    0c6eeafa7857f63503124e595d6e0ffcd3fabe37a99678b1cac333bef83d993ddf6be8e3348bcde6c93af1241ed746e63f66a70560393cf291d46bdd7457193c

  • SSDEEP

    6144:rte+TLYkD9ZWZImNMlYNOYa4JB4B4tTOgAKx9IvdYlhUHmnfKrbZJd:5L9ZWypUsaK4tTO+x9IFYjUGnkbZJd

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 1 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 23 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\27a8b7ed7ad0cd84c0f4233f3c930313c9042d34bfe84677f3f347467f39c696.exe
    "C:\Users\Admin\AppData\Local\Temp\27a8b7ed7ad0cd84c0f4233f3c930313c9042d34bfe84677f3f347467f39c696.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:896
    • C:\Users\Admin\AppData\Local\Temp\uow.0.exe
      "C:\Users\Admin\AppData\Local\Temp\uow.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:4660
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4660 -s 2036
        3⤵
        • Program crash
        PID:4420
    • C:\Users\Admin\AppData\Local\Temp\uow.1.exe
      "C:\Users\Admin\AppData\Local\Temp\uow.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:2144
      • 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:5068
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4660 -ip 4660
    1⤵
      PID:4088

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    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

      d7215dfbc891ba63e9992909ae6d046e

      SHA1

      98e648211313986445baf0c72ffe43d4194aeb54

      SHA256

      0d64fcc0ad2eb68fa37aff8a26ef52d0d8a433e826b5e6200c01fac944b83696

      SHA512

      fef7b8360452d2df563dcb6296533d5ccff618a7fd99f5661b511965ab88487c75c319c499443707a519d3bf9868fadad2390b23fbadb9198081ab162ffebc66

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

      Filesize

      242KB

      MD5

      333a088ed41af0a58b8e5b79e53d4745

      SHA1

      1c144747c6cdf5b87c37076acc927148542cf347

      SHA256

      3fd2a6318c69fba342ca26f55555d6fd4088876f0490780c64574df6b9df920c

      SHA512

      956c10a3dd5647164a7c7d1a0c541177169e89e7015aedfa8a2e972db3c2fbb95182c7a61e7fe5450dbedff6bed2887938263afc959581204e1ac0e1c2111bbc

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

      Filesize

      4.6MB

      MD5

      397926927bca55be4a77839b1c44de6e

      SHA1

      e10f3434ef3021c399dbba047832f02b3c898dbd

      SHA256

      4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

      SHA512

      cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

    • memory/896-1-0x0000000002DE0000-0x0000000002EE0000-memory.dmp

      Filesize

      1024KB

    • memory/896-2-0x0000000004780000-0x00000000047EC000-memory.dmp

      Filesize

      432KB

    • memory/896-15-0x0000000000400000-0x0000000002B1B000-memory.dmp

      Filesize

      39.1MB

    • memory/896-28-0x0000000000400000-0x000000000046F000-memory.dmp

      Filesize

      444KB

    • memory/896-27-0x0000000000400000-0x0000000002B1B000-memory.dmp

      Filesize

      39.1MB

    • memory/896-3-0x0000000000400000-0x000000000046F000-memory.dmp

      Filesize

      444KB

    • memory/2144-52-0x0000000000400000-0x00000000008AD000-memory.dmp

      Filesize

      4.7MB

    • memory/2144-104-0x0000000000400000-0x00000000008AD000-memory.dmp

      Filesize

      4.7MB

    • memory/4660-176-0x0000000000400000-0x0000000002AF9000-memory.dmp

      Filesize

      39.0MB

    • memory/4660-65-0x0000000061E00000-0x0000000061EF3000-memory.dmp

      Filesize

      972KB

    • memory/4660-54-0x0000000000400000-0x0000000002AF9000-memory.dmp

      Filesize

      39.0MB

    • memory/4660-140-0x0000000000400000-0x0000000002AF9000-memory.dmp

      Filesize

      39.0MB

    • memory/5068-136-0x00000241F2AF0000-0x00000241F2B14000-memory.dmp

      Filesize

      144KB

    • memory/5068-149-0x00000241F4ED0000-0x00000241F4ED8000-memory.dmp

      Filesize

      32KB

    • memory/5068-133-0x00000241D8AB0000-0x00000241D8AC0000-memory.dmp

      Filesize

      64KB

    • memory/5068-137-0x00000241D8A10000-0x00000241D8A1A000-memory.dmp

      Filesize

      40KB

    • memory/5068-138-0x00000241F4380000-0x00000241F43AA000-memory.dmp

      Filesize

      168KB

    • memory/5068-139-0x00000241F4890000-0x00000241F4942000-memory.dmp

      Filesize

      712KB

    • memory/5068-141-0x00000241F4940000-0x00000241F4990000-memory.dmp

      Filesize

      320KB

    • memory/5068-142-0x00000241F43E0000-0x00000241F4402000-memory.dmp

      Filesize

      136KB

    • memory/5068-134-0x00000241DA3C0000-0x00000241DA3CC000-memory.dmp

      Filesize

      48KB

    • memory/5068-143-0x00000241D8A20000-0x00000241D8A2A000-memory.dmp

      Filesize

      40KB

    • memory/5068-147-0x00000241F4990000-0x00000241F4C90000-memory.dmp

      Filesize

      3.0MB

    • memory/5068-135-0x00000241D8AC0000-0x00000241D8AD4000-memory.dmp

      Filesize

      80KB

    • memory/5068-150-0x00000241F5170000-0x00000241F51A8000-memory.dmp

      Filesize

      224KB

    • memory/5068-151-0x00000241F4F20000-0x00000241F4F2E000-memory.dmp

      Filesize

      56KB

    • memory/5068-152-0x00000241F5140000-0x00000241F5148000-memory.dmp

      Filesize

      32KB

    • memory/5068-153-0x00000241F51F0000-0x00000241F51FA000-memory.dmp

      Filesize

      40KB

    • memory/5068-155-0x00000241F5200000-0x00000241F5222000-memory.dmp

      Filesize

      136KB

    • memory/5068-154-0x00000241F9B00000-0x00000241F9B62000-memory.dmp

      Filesize

      392KB

    • memory/5068-156-0x00000241FA090000-0x00000241FA5B8000-memory.dmp

      Filesize

      5.2MB

    • memory/5068-159-0x00000241F85D0000-0x00000241F85DC000-memory.dmp

      Filesize

      48KB

    • memory/5068-160-0x00000241F9C10000-0x00000241F9C86000-memory.dmp

      Filesize

      472KB

    • memory/5068-165-0x00000241F9B80000-0x00000241F9B9E000-memory.dmp

      Filesize

      120KB

    • memory/5068-132-0x00000241F4640000-0x00000241F474A000-memory.dmp

      Filesize

      1.0MB

    • memory/5068-108-0x00000241D4DE0000-0x00000241D8614000-memory.dmp

      Filesize

      56.2MB