Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-05-2024 20:02

General

  • Target

    9e4b6adcb662c7b6633af75aa1b55a7e892a90af9466918f966bf27059ccfdc0.exe

  • Size

    364KB

  • MD5

    6e2a3883c07e15923d53b514847937b1

  • SHA1

    e2218476f74749368216a0a042c4d5b42c272fc9

  • SHA256

    9e4b6adcb662c7b6633af75aa1b55a7e892a90af9466918f966bf27059ccfdc0

  • SHA512

    2438fd2ee5b745ff5cd1e2dd4c40243e3ce8937a30dbbc27c625939e689fd5e5650ec2f9978c583bcc2bc92fd0827beda8936c003150020e3bdf4737ed680e02

  • SSDEEP

    6144:9HjGRWK3W3yK7lKM6FBEwOaIbJp4U/BKfL/z22v2qDx6Anq4Ndy3YTDXgM:9DGEK3WiK7UMCbm6bfVDxrntTDXgM

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 27 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\9e4b6adcb662c7b6633af75aa1b55a7e892a90af9466918f966bf27059ccfdc0.exe
    "C:\Users\Admin\AppData\Local\Temp\9e4b6adcb662c7b6633af75aa1b55a7e892a90af9466918f966bf27059ccfdc0.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3792
    • C:\Users\Admin\AppData\Local\Temp\u2xc.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u2xc.0.exe"
      2⤵
      • Executes dropped EXE
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:3340
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3340 -s 1308
        3⤵
        • Program crash
        PID:5064
    • C:\Users\Admin\AppData\Local\Temp\u2xc.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u2xc.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:1156
      • 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:4416
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3792 -s 1008
      2⤵
      • Program crash
      PID:4040
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3792 -ip 3792
    1⤵
      PID:4496
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 3340 -ip 3340
      1⤵
        PID:4368

      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

        7230637f45f29be2683aac3d8aeb093f

        SHA1

        3f03d04cf2b6207578b41da5d4101558041462d8

        SHA256

        5c73f33d41cf2d34f336846c059d7dc5178c1accca2ffc6d47459aba5702e85c

        SHA512

        62a3a650a6b092e2efe8b5842370ce90fe42598a7abe70229b1320bcf30abf1b574ac6a28a2e9e00647501dae925072b03364e5c1d9b2c433477b0f2e173061e

      • C:\Users\Admin\AppData\Local\Temp\u2xc.0.exe

        Filesize

        223KB

        MD5

        280229b137b0f36f2b18b9bc7841995d

        SHA1

        d800c8ecc758ccacfe9a91efd45904efcc17b84a

        SHA256

        49533fc0ca008e430d35fdabab4b200a70e629e62f5b16f9157b5a82b6494536

        SHA512

        aeb7566ad83b6b1a01e2d8f6e557a18a75a8bd4229f72cc9e1b1ffe9dd86d14469937eea221e0d436274d4444d4f1732098b98ca3ddc3c7aec65867107fbdec5

      • C:\Users\Admin\AppData\Local\Temp\u2xc.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/1156-66-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/1156-54-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/3340-13-0x0000000000400000-0x0000000002574000-memory.dmp

        Filesize

        33.5MB

      • memory/3340-15-0x0000000000400000-0x0000000002574000-memory.dmp

        Filesize

        33.5MB

      • memory/3340-14-0x0000000000400000-0x0000000002574000-memory.dmp

        Filesize

        33.5MB

      • memory/3340-106-0x0000000000400000-0x0000000002574000-memory.dmp

        Filesize

        33.5MB

      • memory/3340-104-0x0000000000400000-0x0000000002574000-memory.dmp

        Filesize

        33.5MB

      • memory/3340-102-0x0000000000400000-0x0000000002574000-memory.dmp

        Filesize

        33.5MB

      • memory/3340-99-0x0000000000400000-0x0000000002574000-memory.dmp

        Filesize

        33.5MB

      • memory/3792-34-0x0000000000400000-0x0000000002597000-memory.dmp

        Filesize

        33.6MB

      • memory/3792-37-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/3792-36-0x0000000002700000-0x000000000276C000-memory.dmp

        Filesize

        432KB

      • memory/3792-1-0x0000000002890000-0x0000000002990000-memory.dmp

        Filesize

        1024KB

      • memory/3792-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/3792-2-0x0000000002700000-0x000000000276C000-memory.dmp

        Filesize

        432KB

      • memory/4416-73-0x000002F4B57E0000-0x000002F4B57EA000-memory.dmp

        Filesize

        40KB

      • memory/4416-86-0x000002F4BA100000-0x000002F4BA138000-memory.dmp

        Filesize

        224KB

      • memory/4416-71-0x000002F4B5740000-0x000002F4B5754000-memory.dmp

        Filesize

        80KB

      • memory/4416-74-0x000002F4B5830000-0x000002F4B585A000-memory.dmp

        Filesize

        168KB

      • memory/4416-75-0x000002F4B5C30000-0x000002F4B5CE2000-memory.dmp

        Filesize

        712KB

      • memory/4416-76-0x000002F4B5D30000-0x000002F4B5D80000-memory.dmp

        Filesize

        320KB

      • memory/4416-77-0x000002F4B5CE0000-0x000002F4B5D02000-memory.dmp

        Filesize

        136KB

      • memory/4416-78-0x000002F4B5820000-0x000002F4B582A000-memory.dmp

        Filesize

        40KB

      • memory/4416-82-0x000002F4B5D80000-0x000002F4B6080000-memory.dmp

        Filesize

        3.0MB

      • memory/4416-84-0x000002F4BA780000-0x000002F4BA788000-memory.dmp

        Filesize

        32KB

      • memory/4416-87-0x000002F4BA0D0000-0x000002F4BA0DE000-memory.dmp

        Filesize

        56KB

      • memory/4416-72-0x000002F4B57B0000-0x000002F4B57D4000-memory.dmp

        Filesize

        144KB

      • memory/4416-88-0x000002F4BA0F0000-0x000002F4BA0F8000-memory.dmp

        Filesize

        32KB

      • memory/4416-90-0x000002F4BB250000-0x000002F4BB2B2000-memory.dmp

        Filesize

        392KB

      • memory/4416-91-0x000002F4BB2B0000-0x000002F4BB2D2000-memory.dmp

        Filesize

        136KB

      • memory/4416-89-0x000002F4BB230000-0x000002F4BB23A000-memory.dmp

        Filesize

        40KB

      • memory/4416-92-0x000002F4BB800000-0x000002F4BBD28000-memory.dmp

        Filesize

        5.2MB

      • memory/4416-95-0x000002F4BAFB0000-0x000002F4BAFBC000-memory.dmp

        Filesize

        48KB

      • memory/4416-96-0x000002F4BB090000-0x000002F4BB106000-memory.dmp

        Filesize

        472KB

      • memory/4416-97-0x000002F4BAFF0000-0x000002F4BB00E000-memory.dmp

        Filesize

        120KB

      • memory/4416-70-0x000002F4B5750000-0x000002F4B575C000-memory.dmp

        Filesize

        48KB

      • memory/4416-69-0x000002F4B5730000-0x000002F4B5740000-memory.dmp

        Filesize

        64KB

      • memory/4416-68-0x000002F4B59E0000-0x000002F4B5AEA000-memory.dmp

        Filesize

        1.0MB

      • memory/4416-67-0x000002F496A80000-0x000002F49A2B4000-memory.dmp

        Filesize

        56.2MB