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
    08-05-2024 16:05

General

  • Target

    f367d6cd435d84c917faeec225530d6fa4daa24886d8d0edf1c28fa012a18fa4.exe

  • Size

    365KB

  • MD5

    36fc09c0719b19c6c3e07656d8acb335

  • SHA1

    6a980d013e2919f8a0f0610e4dc074453aeb93ac

  • SHA256

    f367d6cd435d84c917faeec225530d6fa4daa24886d8d0edf1c28fa012a18fa4

  • SHA512

    69088b3ac134f253ca33a28f295a961cd2c5995d605f136e3771ea04e896c20822285cc1d9c29ce8293db083bcd19a3f8f889ee924a090661a8d61e302e31f93

  • SSDEEP

    6144:0j9PNW6k+7KXF5gUZwnAFpPLr2PXEVT1NjGzG4YqJcbbYTOO8:0j9PA6d7K4UZwQ2Xw1mt+b8OO8

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
  • 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 21 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\f367d6cd435d84c917faeec225530d6fa4daa24886d8d0edf1c28fa012a18fa4.exe
    "C:\Users\Admin\AppData\Local\Temp\f367d6cd435d84c917faeec225530d6fa4daa24886d8d0edf1c28fa012a18fa4.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2304
    • C:\Users\Admin\AppData\Local\Temp\u1s0.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u1s0.0.exe"
      2⤵
      • Executes dropped EXE
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:3736
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3736 -s 760
        3⤵
        • Program crash
        PID:2904
    • C:\Users\Admin\AppData\Local\Temp\u1s0.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u1s0.1.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:4820
      • 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:440
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2304 -s 984
      2⤵
      • Program crash
      PID:1908
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2304 -ip 2304
    1⤵
      PID:2076
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 3736 -ip 3736
      1⤵
        PID:4356

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\iolo\dm\ioloDMLog.txt

        Filesize

        3KB

        MD5

        e6a11adb8c1fbbd965f07862be74f51e

        SHA1

        64d7ddc55c69b044d1502b6bb1ada6d3e960663a

        SHA256

        b19c458ad8f6dc4710403ebae387ade8d13322763723f0d13711d9a6ba30381c

        SHA512

        2941c546ac4d8a2f7ed373d7cc0e20c58fae7487b84c88af45d1654151cde751732fecc281a7c90b30cd21e5bbf883e4cbbdcd5b2fee77304313efda81b440e7

      • C:\Users\Admin\AppData\Local\Temp\u1s0.0.exe

        Filesize

        223KB

        MD5

        68b1200c9bd2fd38fa959110f99c67ed

        SHA1

        02a246137a35c03292334466904dc609b04e97e2

        SHA256

        021d9fa1c537c10c68c08db1d0f77da7240c1268d4dd2985cfece06d2cb78c8f

        SHA512

        f5ba3d7919cda2095fe3e979d7557a9b40cf84a4612c0aef38030f310dd285650314ccc48e5e80691cba687c7d104921dbd2d90412588dd536f0735e1b6ede39

      • C:\Users\Admin\AppData\Local\Temp\u1s0.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/440-87-0x0000019B71CD0000-0x0000019B71CD8000-memory.dmp

        Filesize

        32KB

      • memory/440-88-0x0000019B72BB0000-0x0000019B72BBA000-memory.dmp

        Filesize

        40KB

      • memory/440-74-0x0000019B6D480000-0x0000019B6D4AA000-memory.dmp

        Filesize

        168KB

      • memory/440-96-0x0000019B72C40000-0x0000019B72C5E000-memory.dmp

        Filesize

        120KB

      • memory/440-75-0x0000019B6D810000-0x0000019B6D8C2000-memory.dmp

        Filesize

        712KB

      • memory/440-94-0x0000019B72C00000-0x0000019B72C0C000-memory.dmp

        Filesize

        48KB

      • memory/440-91-0x0000019B73400000-0x0000019B73928000-memory.dmp

        Filesize

        5.2MB

      • memory/440-90-0x0000019B72BE0000-0x0000019B72C02000-memory.dmp

        Filesize

        136KB

      • memory/440-89-0x0000019B72E70000-0x0000019B72ED2000-memory.dmp

        Filesize

        392KB

      • memory/440-86-0x0000019B71CB0000-0x0000019B71CBE000-memory.dmp

        Filesize

        56KB

      • memory/440-85-0x0000019B71CE0000-0x0000019B71D18000-memory.dmp

        Filesize

        224KB

      • memory/440-66-0x0000019B4DE00000-0x0000019B51634000-memory.dmp

        Filesize

        56.2MB

      • memory/440-68-0x0000019B6D5C0000-0x0000019B6D6CA000-memory.dmp

        Filesize

        1.0MB

      • memory/440-76-0x0000019B6D910000-0x0000019B6D960000-memory.dmp

        Filesize

        320KB

      • memory/440-70-0x0000019B532E0000-0x0000019B532EC000-memory.dmp

        Filesize

        48KB

      • memory/440-71-0x0000019B532D0000-0x0000019B532E4000-memory.dmp

        Filesize

        80KB

      • memory/440-72-0x0000019B6D420000-0x0000019B6D444000-memory.dmp

        Filesize

        144KB

      • memory/440-73-0x0000019B6D440000-0x0000019B6D44A000-memory.dmp

        Filesize

        40KB

      • memory/440-84-0x0000019B723A0000-0x0000019B723A8000-memory.dmp

        Filesize

        32KB

      • memory/440-95-0x0000019B72CE0000-0x0000019B72D56000-memory.dmp

        Filesize

        472KB

      • memory/440-69-0x0000019B51A40000-0x0000019B51A50000-memory.dmp

        Filesize

        64KB

      • memory/440-77-0x0000019B6D960000-0x0000019B6D982000-memory.dmp

        Filesize

        136KB

      • memory/440-78-0x0000019B6D450000-0x0000019B6D45A000-memory.dmp

        Filesize

        40KB

      • memory/440-82-0x0000019B6D990000-0x0000019B6DC90000-memory.dmp

        Filesize

        3.0MB

      • memory/2304-33-0x0000000000400000-0x0000000001A25000-memory.dmp

        Filesize

        22.1MB

      • memory/2304-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/2304-2-0x0000000003640000-0x00000000036AC000-memory.dmp

        Filesize

        432KB

      • memory/2304-36-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/2304-1-0x0000000001A50000-0x0000000001B50000-memory.dmp

        Filesize

        1024KB

      • memory/2304-35-0x0000000003640000-0x00000000036AC000-memory.dmp

        Filesize

        432KB

      • memory/3736-102-0x0000000000400000-0x0000000001A02000-memory.dmp

        Filesize

        22.0MB

      • memory/3736-52-0x0000000000400000-0x0000000001A02000-memory.dmp

        Filesize

        22.0MB

      • memory/3736-13-0x0000000000400000-0x0000000001A02000-memory.dmp

        Filesize

        22.0MB

      • memory/3736-98-0x0000000000400000-0x0000000001A02000-memory.dmp

        Filesize

        22.0MB

      • memory/3736-100-0x0000000000400000-0x0000000001A02000-memory.dmp

        Filesize

        22.0MB

      • memory/3736-14-0x0000000000400000-0x0000000001A02000-memory.dmp

        Filesize

        22.0MB

      • memory/3736-104-0x0000000000400000-0x0000000001A02000-memory.dmp

        Filesize

        22.0MB

      • memory/4820-65-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/4820-55-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB