Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-05-2024 13:01

General

  • Target

    a20170bf01cc684aaad6f97118d880953b252fccacae9ad4a9d6706113e14107.exe

  • Size

    382KB

  • MD5

    310d454d90bee8bc4fe080f8342c0d7c

  • SHA1

    60150ea92e7a1fde8531fd86b3af512d67efc7f4

  • SHA256

    a20170bf01cc684aaad6f97118d880953b252fccacae9ad4a9d6706113e14107

  • SHA512

    871bc64aa1a36796d5aba797a8d36a134ef20ccdb41b14d3c08ec2256fea1d044e810ac2ffead079355b101db80cd17cd4fdd3250d1e5e1df91f806efc16d6a9

  • SSDEEP

    6144:1jNHmrGVx/2m1f+eo864r+m4fSw3Axa3Uet46nBeJKtv:1jNGexJo8raXfS8Axa35t46nUJKtv

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 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 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\a20170bf01cc684aaad6f97118d880953b252fccacae9ad4a9d6706113e14107.exe
    "C:\Users\Admin\AppData\Local\Temp\a20170bf01cc684aaad6f97118d880953b252fccacae9ad4a9d6706113e14107.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3724
    • C:\Users\Admin\AppData\Local\Temp\u2vg.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u2vg.0.exe"
      2⤵
      • Executes dropped EXE
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:1128
    • C:\Users\Admin\AppData\Local\Temp\u2vg.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u2vg.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:548
      • 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:4228
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3724 -s 1152
      2⤵
      • Program crash
      PID:3748
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3724 -ip 3724
    1⤵
      PID:4724

    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

      9c93d43506d70102fff3cc61877012c9

      SHA1

      2195f778e6a60271bd03f10f9dc28b6b9e5c40bd

      SHA256

      242f3abcdf24b819e49fd0dea8f6d06a7664750225daeabf7901e4a8adb55345

      SHA512

      e039ad65fbbaae0279ea3d67949c78fdbb0f9e45e195b4217ae3fa6457859c91a9b71c472b3f85a827b01a3bc7a2b7d8bd121227a267a6343262e002ee231feb

    • C:\Users\Admin\AppData\Local\Temp\u2vg.0.exe

      Filesize

      218KB

      MD5

      5246be38e251c182f838adf4ef42ad40

      SHA1

      fe09ba5ee40d4c4897c8f8e3fa819c13b0e324d9

      SHA256

      7dbf762b2ef2b651a4e8c7b7d9b8996a1de0cfa44119452f1d3f29bfe03dfd86

      SHA512

      a3f7c75a2355935d19c733d67aeff3e08f382ae60c1ba45364974ff91ca779ac5e49c40475fe35b8923a130e8670de0311fdf3c03de935312869e9a9a8b21b14

    • C:\Users\Admin\AppData\Local\Temp\u2vg.1.exe

      Filesize

      4.6MB

      MD5

      397926927bca55be4a77839b1c44de6e

      SHA1

      e10f3434ef3021c399dbba047832f02b3c898dbd

      SHA256

      4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

      SHA512

      cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

    • memory/548-52-0x0000000000400000-0x00000000008AD000-memory.dmp

      Filesize

      4.7MB

    • memory/548-64-0x0000000000400000-0x00000000008AD000-memory.dmp

      Filesize

      4.7MB

    • memory/1128-106-0x0000000000400000-0x0000000002AF3000-memory.dmp

      Filesize

      38.9MB

    • memory/1128-103-0x0000000000400000-0x0000000002AF3000-memory.dmp

      Filesize

      38.9MB

    • memory/1128-100-0x0000000000400000-0x0000000002AF3000-memory.dmp

      Filesize

      38.9MB

    • memory/1128-97-0x0000000000400000-0x0000000002AF3000-memory.dmp

      Filesize

      38.9MB

    • memory/1128-96-0x0000000000400000-0x0000000002AF3000-memory.dmp

      Filesize

      38.9MB

    • memory/3724-1-0x0000000000400000-0x0000000002B1D000-memory.dmp

      Filesize

      39.1MB

    • memory/3724-3-0x0000000002C90000-0x0000000002CFC000-memory.dmp

      Filesize

      432KB

    • memory/3724-32-0x0000000000400000-0x000000000046F000-memory.dmp

      Filesize

      444KB

    • memory/3724-31-0x0000000000400000-0x0000000002B1D000-memory.dmp

      Filesize

      39.1MB

    • memory/3724-2-0x0000000002D30000-0x0000000002E30000-memory.dmp

      Filesize

      1024KB

    • memory/3724-4-0x0000000000400000-0x000000000046F000-memory.dmp

      Filesize

      444KB

    • memory/4228-74-0x00000265FAE20000-0x00000265FAE70000-memory.dmp

      Filesize

      320KB

    • memory/4228-85-0x00000265FEAD0000-0x00000265FEAD8000-memory.dmp

      Filesize

      32KB

    • memory/4228-72-0x00000265FA820000-0x00000265FA84A000-memory.dmp

      Filesize

      168KB

    • memory/4228-73-0x00000265FA880000-0x00000265FA932000-memory.dmp

      Filesize

      712KB

    • memory/4228-70-0x00000265FA7E0000-0x00000265FA804000-memory.dmp

      Filesize

      144KB

    • memory/4228-75-0x00000265FADD0000-0x00000265FADF2000-memory.dmp

      Filesize

      136KB

    • memory/4228-76-0x00000265DF7D0000-0x00000265DF7DA000-memory.dmp

      Filesize

      40KB

    • memory/4228-80-0x00000265FAE70000-0x00000265FB170000-memory.dmp

      Filesize

      3.0MB

    • memory/4228-82-0x00000265FEAB0000-0x00000265FEAB8000-memory.dmp

      Filesize

      32KB

    • memory/4228-83-0x00000265FF180000-0x00000265FF1B8000-memory.dmp

      Filesize

      224KB

    • memory/4228-84-0x00000265FEAC0000-0x00000265FEACE000-memory.dmp

      Filesize

      56KB

    • memory/4228-71-0x00000265DF7C0000-0x00000265DF7CA000-memory.dmp

      Filesize

      40KB

    • memory/4228-86-0x0000026580D80000-0x0000026580D8A000-memory.dmp

      Filesize

      40KB

    • memory/4228-87-0x0000026580DA0000-0x0000026580E02000-memory.dmp

      Filesize

      392KB

    • memory/4228-88-0x0000026580B00000-0x0000026580B22000-memory.dmp

      Filesize

      136KB

    • memory/4228-89-0x0000026581330000-0x0000026581858000-memory.dmp

      Filesize

      5.2MB

    • memory/4228-92-0x0000026580B20000-0x0000026580B2C000-memory.dmp

      Filesize

      48KB

    • memory/4228-93-0x00000265FF680000-0x00000265FF6F6000-memory.dmp

      Filesize

      472KB

    • memory/4228-94-0x00000265FB390000-0x00000265FB3AE000-memory.dmp

      Filesize

      120KB

    • memory/4228-69-0x00000265E10A0000-0x00000265E10B4000-memory.dmp

      Filesize

      80KB

    • memory/4228-68-0x00000265E10B0000-0x00000265E10BC000-memory.dmp

      Filesize

      48KB

    • memory/4228-67-0x00000265DF7A0000-0x00000265DF7B0000-memory.dmp

      Filesize

      64KB

    • memory/4228-66-0x00000265FAB80000-0x00000265FAC8A000-memory.dmp

      Filesize

      1.0MB

    • memory/4228-65-0x00000265DBB70000-0x00000265DF3A4000-memory.dmp

      Filesize

      56.2MB