Analysis

  • max time kernel
    149s
  • max time network
    160s
  • 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 23:53

General

  • Target

    c6d76480adfb9b563997f74f74964f0833c2f7eacfa72258c9d2b80a279fe6d4.exe

  • Size

    365KB

  • MD5

    33179813ef6865c32c666fc519eaad03

  • SHA1

    a3cb6a5b14fea9f5643d07754fffe9dfd2172fb9

  • SHA256

    c6d76480adfb9b563997f74f74964f0833c2f7eacfa72258c9d2b80a279fe6d4

  • SHA512

    40d743ff5b2ee373e763b78ffebce7c8d898b59b595173a504ec26918c9c039213c92478156936faa1bbbe63e11ee6f9122b8f61a65a45f17e26c6539e773053

  • SSDEEP

    6144:mfcBWeUkksvXwBbM4HxlzmJp2C5kbX1Z0DR7M1jTs5gYTmWI:mfcUeGzhHxNQKX1eDR7un0mWI

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 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\c6d76480adfb9b563997f74f74964f0833c2f7eacfa72258c9d2b80a279fe6d4.exe
    "C:\Users\Admin\AppData\Local\Temp\c6d76480adfb9b563997f74f74964f0833c2f7eacfa72258c9d2b80a279fe6d4.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1140
    • C:\Users\Admin\AppData\Local\Temp\uvo.0.exe
      "C:\Users\Admin\AppData\Local\Temp\uvo.0.exe"
      2⤵
      • Executes dropped EXE
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:5096
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5096 -s 1328
        3⤵
        • Program crash
        PID:4164
    • C:\Users\Admin\AppData\Local\Temp\uvo.1.exe
      "C:\Users\Admin\AppData\Local\Temp\uvo.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:4736
      • 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:2508
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1140 -s 860
      2⤵
      • Program crash
      PID:316
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1140 -ip 1140
    1⤵
      PID:884
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 5096 -ip 5096
      1⤵
        PID:4376

      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

        ca9489d39865a540a089a420f7314e9d

        SHA1

        c633b3da8dc9b97889d046a932bc7f48a1f1c29f

        SHA256

        ca22040e27c07cc6ce01372301a7ab13a36dd5ea6400369523f0910e1545dbf0

        SHA512

        42d72ce3fd60d747d39af5f423fdb76303974401a8bfed89f43e33a20f57ac6472b23ac3280944372c1f121e696ef1fc498c070da79255a9cd78f61e12be139e

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

        Filesize

        223KB

        MD5

        ac3b1a30e96b6d89ce98a21bb5b2093a

        SHA1

        4270104678195b8cad3520a704c556155a0a65b5

        SHA256

        803946c2712aec2b60b54b3cd7c3375a9a0158e7ccbfbd4ab8a66e6ddfc7d463

        SHA512

        65e74527ffa9d6e776d063db44322080315a5a9eb13bb67acd61be6e65862ec127366d742beca349c7ca8281e2f67193bafc14c8c0ee3f222b19b452d05c8491

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

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/1140-33-0x0000000000400000-0x0000000002597000-memory.dmp

        Filesize

        33.6MB

      • memory/1140-1-0x0000000002910000-0x0000000002A10000-memory.dmp

        Filesize

        1024KB

      • memory/1140-2-0x0000000002860000-0x00000000028CC000-memory.dmp

        Filesize

        432KB

      • memory/1140-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/1140-35-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/2508-74-0x0000014975CD0000-0x0000014975D82000-memory.dmp

        Filesize

        712KB

      • memory/2508-77-0x0000014974100000-0x000001497410A000-memory.dmp

        Filesize

        40KB

      • memory/2508-95-0x000001497B090000-0x000001497B0AE000-memory.dmp

        Filesize

        120KB

      • memory/2508-94-0x000001497B130000-0x000001497B1A6000-memory.dmp

        Filesize

        472KB

      • memory/2508-65-0x0000014956260000-0x0000014959A94000-memory.dmp

        Filesize

        56.2MB

      • memory/2508-67-0x0000014975A80000-0x0000014975B8A000-memory.dmp

        Filesize

        1.0MB

      • memory/2508-68-0x000001495B7B0000-0x000001495B7C0000-memory.dmp

        Filesize

        64KB

      • memory/2508-69-0x0000014974110000-0x000001497411C000-memory.dmp

        Filesize

        48KB

      • memory/2508-70-0x00000149740D0000-0x00000149740E4000-memory.dmp

        Filesize

        80KB

      • memory/2508-71-0x00000149758A0000-0x00000149758C4000-memory.dmp

        Filesize

        144KB

      • memory/2508-72-0x00000149740F0000-0x00000149740FA000-memory.dmp

        Filesize

        40KB

      • memory/2508-73-0x00000149758C0000-0x00000149758EA000-memory.dmp

        Filesize

        168KB

      • memory/2508-93-0x000001497B050000-0x000001497B05C000-memory.dmp

        Filesize

        48KB

      • memory/2508-75-0x0000014975D80000-0x0000014975DD0000-memory.dmp

        Filesize

        320KB

      • memory/2508-76-0x0000014975930000-0x0000014975952000-memory.dmp

        Filesize

        136KB

      • memory/2508-90-0x000001497B860000-0x000001497BD88000-memory.dmp

        Filesize

        5.2MB

      • memory/2508-81-0x0000014975DD0000-0x00000149760D0000-memory.dmp

        Filesize

        3.0MB

      • memory/2508-83-0x000001497A800000-0x000001497A808000-memory.dmp

        Filesize

        32KB

      • memory/2508-84-0x000001497A140000-0x000001497A178000-memory.dmp

        Filesize

        224KB

      • memory/2508-85-0x000001497A110000-0x000001497A11E000-memory.dmp

        Filesize

        56KB

      • memory/2508-86-0x000001497A130000-0x000001497A138000-memory.dmp

        Filesize

        32KB

      • memory/2508-87-0x000001497B2B0000-0x000001497B2BA000-memory.dmp

        Filesize

        40KB

      • memory/2508-88-0x000001497B2D0000-0x000001497B332000-memory.dmp

        Filesize

        392KB

      • memory/2508-89-0x000001497B030000-0x000001497B052000-memory.dmp

        Filesize

        136KB

      • memory/4736-52-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/4736-64-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/5096-13-0x0000000000400000-0x0000000002574000-memory.dmp

        Filesize

        33.5MB

      • memory/5096-14-0x0000000000400000-0x0000000002574000-memory.dmp

        Filesize

        33.5MB

      • memory/5096-97-0x0000000000400000-0x0000000002574000-memory.dmp

        Filesize

        33.5MB

      • memory/5096-99-0x0000000000400000-0x0000000002574000-memory.dmp

        Filesize

        33.5MB

      • memory/5096-101-0x0000000000400000-0x0000000002574000-memory.dmp

        Filesize

        33.5MB

      • memory/5096-103-0x0000000000400000-0x0000000002574000-memory.dmp

        Filesize

        33.5MB