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Analysis

  • max time kernel
    148s
  • max time network
    157s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240221-en
  • resource tags

    arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    04/04/2024, 17:39

General

  • Target

    033b2f50c6e46d7bd859a0e8689f9009f8b75861f3163cd61c8736cb78975683.exe

  • Size

    359KB

  • MD5

    4e48d2ca5b2b77a24751d66b71d99433

  • SHA1

    e81ef55450ace248cb9871de9bdf7a7a3c0dddc0

  • SHA256

    033b2f50c6e46d7bd859a0e8689f9009f8b75861f3163cd61c8736cb78975683

  • SHA512

    2cffa25930b104ab867478a98b6f204af569ecbeb691917e1bd5aac154459415eb6f1621f610554077f6002f068bb14bf42de2f735e408d3308032539bf2bc0a

  • SSDEEP

    6144:LHPRYx4BUMASd/zIpbwXHRI92s3uTjIT75tPr4QqqtYxUkUrvTa+iTR1:1Y+UMASxCmxI92ouTjIBtPrmIYR1

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.209

Attributes
  • url_path

    /3cd2b41cbde8fc9c.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
  • Executes dropped EXE 4 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • 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.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 7 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\033b2f50c6e46d7bd859a0e8689f9009f8b75861f3163cd61c8736cb78975683.exe
    "C:\Users\Admin\AppData\Local\Temp\033b2f50c6e46d7bd859a0e8689f9009f8b75861f3163cd61c8736cb78975683.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4348
    • C:\Users\Admin\AppData\Local\Temp\u3cs.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u3cs.0.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:3672
      • C:\Users\Admin\AppData\Local\Temp\u3cs.0.exe
        "C:\Users\Admin\AppData\Local\Temp\u3cs.0.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:3252
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\HCAEHJJKFC.exe"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3116
          • C:\Users\Admin\AppData\Local\Temp\HCAEHJJKFC.exe
            "C:\Users\Admin\AppData\Local\Temp\HCAEHJJKFC.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:4108
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\System32\cmd.exe" /C ping 2.2.2.2 -n 1 -w 3000 > Nul & Del C:\Users\Admin\AppData\Local\Temp\HCAEHJJKFC.exe
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:4848
              • C:\Windows\SysWOW64\PING.EXE
                ping 2.2.2.2 -n 1 -w 3000
                7⤵
                • Runs ping.exe
                PID:3548
    • C:\Users\Admin\AppData\Local\Temp\u3cs.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u3cs.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:484
      • 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:3052
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4348 -s 1188
      2⤵
      • Program crash
      PID:2520
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4348 -ip 4348
    1⤵
      PID:3900

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    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\HCAEHJJKFC.exe

      Filesize

      106KB

      MD5

      fe380780b5c35bd6d54541791151c2be

      SHA1

      7fe3a583cf91474c733f85cebf3c857682e269e1

      SHA256

      b64a84d1f88e4e78464a1901c1cb5bbd5f00bb73203d719e64e072157a087b53

      SHA512

      ba05ba8aa13c4bc1cf98fbf6c08b021e8b19354098e0397fc8e1e5d3dcce367c1063203f24e50d0973193f6535681d0a43486e5dade5d112853b7a2fe8739b6c

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

      Filesize

      2KB

      MD5

      5e4b542c774a057df638170598fd1a0f

      SHA1

      2c4576317fbfe5838785273382d0a7e8f29bbbbf

      SHA256

      b49937d5ce5ae9361ab7b4e81ac76ccdb5ec5031a71d03d1b89b4099a41491b7

      SHA512

      719b3ea14057765e9ef79d0afdfbb44bfe7d39c53e454e90a473ed8811c0d593daec274f8efa02f0529f47b3d745f8dd27ce5f696df89dfe4c423ac0b987fce9

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

      Filesize

      3KB

      MD5

      55177f003c68469f940ccb1baa36a700

      SHA1

      16f8ed3d5f0be6bd5ca21eddcf3e919f8bf53a1b

      SHA256

      74c3e6f1e2e4fb100d81d01707699c3c3cb9e393a117f7a2dba455b914a92e53

      SHA512

      da7f2c7b4d66786430adda5fcfbb20a61c4ad6df7a1985824481a01da779f2e00e2badc1ed536771013039dce8ab982767a112b17f35edc9387da646ad597017

    • C:\Users\Admin\AppData\Local\Temp\u3cs.0.exe

      Filesize

      218KB

      MD5

      8ea1d93b5483f485d5f9faa31b93da8f

      SHA1

      efe417a99c985f55220e493b2690bb223fb874bd

      SHA256

      4ea48e183f9935319a1124ac40fbd2f19bcdf77f6b600293600b6e898c184059

      SHA512

      b37a06d9b3ad90f9668f4a7fa7ae3b5426a29d62cc8353dffca9c49e3466ba152a083af9f9c2ce3b43ae79000f7052ce8ba384bf1d50e65426d0c0473a4093ec

    • C:\Users\Admin\AppData\Local\Temp\u3cs.1.exe

      Filesize

      4.6MB

      MD5

      397926927bca55be4a77839b1c44de6e

      SHA1

      e10f3434ef3021c399dbba047832f02b3c898dbd

      SHA256

      4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

      SHA512

      cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

    • memory/484-143-0x0000000000400000-0x00000000008AD000-memory.dmp

      Filesize

      4.7MB

    • memory/484-111-0x0000000000400000-0x00000000008AD000-memory.dmp

      Filesize

      4.7MB

    • memory/484-30-0x0000000002760000-0x0000000002761000-memory.dmp

      Filesize

      4KB

    • memory/3052-152-0x0000027F1FBB0000-0x0000027F1FBD4000-memory.dmp

      Filesize

      144KB

    • memory/3052-167-0x0000027F1FF90000-0x0000027F20006000-memory.dmp

      Filesize

      472KB

    • memory/3052-208-0x0000027F1F980000-0x0000027F1F990000-memory.dmp

      Filesize

      64KB

    • memory/3052-207-0x0000027F1F980000-0x0000027F1F990000-memory.dmp

      Filesize

      64KB

    • memory/3052-206-0x0000027F1F980000-0x0000027F1F990000-memory.dmp

      Filesize

      64KB

    • memory/3052-205-0x0000027F1F980000-0x0000027F1F990000-memory.dmp

      Filesize

      64KB

    • memory/3052-204-0x00007FF8392E0000-0x00007FF839DA2000-memory.dmp

      Filesize

      10.8MB

    • memory/3052-202-0x0000027F204E0000-0x0000027F204FE000-memory.dmp

      Filesize

      120KB

    • memory/3052-201-0x0000027F204B0000-0x0000027F204D2000-memory.dmp

      Filesize

      136KB

    • memory/3052-194-0x0000027F20410000-0x0000027F2041C000-memory.dmp

      Filesize

      48KB

    • memory/3052-193-0x0000027F20460000-0x0000027F204B0000-memory.dmp

      Filesize

      320KB

    • memory/3052-145-0x00007FF8392E0000-0x00007FF839DA2000-memory.dmp

      Filesize

      10.8MB

    • memory/3052-146-0x0000027F01A40000-0x0000027F05338000-memory.dmp

      Filesize

      57.0MB

    • memory/3052-147-0x0000027F1F980000-0x0000027F1F990000-memory.dmp

      Filesize

      64KB

    • memory/3052-148-0x0000027F1FAA0000-0x0000027F1FBB0000-memory.dmp

      Filesize

      1.1MB

    • memory/3052-149-0x0000027F06FE0000-0x0000027F06FF0000-memory.dmp

      Filesize

      64KB

    • memory/3052-150-0x0000027F1F920000-0x0000027F1F92C000-memory.dmp

      Filesize

      48KB

    • memory/3052-151-0x0000027F06FF0000-0x0000027F07004000-memory.dmp

      Filesize

      80KB

    • memory/3052-186-0x0000027F24FC0000-0x0000027F254E8000-memory.dmp

      Filesize

      5.2MB

    • memory/3052-161-0x0000027F1FD30000-0x0000027F1FD3A000-memory.dmp

      Filesize

      40KB

    • memory/3052-184-0x0000027F24A60000-0x0000027F24A82000-memory.dmp

      Filesize

      136KB

    • memory/3052-162-0x0000027F1FD50000-0x0000027F1FD7A000-memory.dmp

      Filesize

      168KB

    • memory/3052-163-0x0000027F1FD80000-0x0000027F1FE32000-memory.dmp

      Filesize

      712KB

    • memory/3052-164-0x0000027F1FE30000-0x0000027F1FEAA000-memory.dmp

      Filesize

      488KB

    • memory/3052-165-0x0000027F1FEB0000-0x0000027F1FF12000-memory.dmp

      Filesize

      392KB

    • memory/3052-180-0x0000027F24A40000-0x0000027F24A4A000-memory.dmp

      Filesize

      40KB

    • memory/3052-168-0x0000027F057A0000-0x0000027F057AA000-memory.dmp

      Filesize

      40KB

    • memory/3052-172-0x0000027F20010000-0x0000027F20310000-memory.dmp

      Filesize

      3.0MB

    • memory/3052-174-0x0000027F1F980000-0x0000027F1F990000-memory.dmp

      Filesize

      64KB

    • memory/3052-179-0x0000027F24340000-0x0000027F2434E000-memory.dmp

      Filesize

      56KB

    • memory/3052-177-0x0000027F1F980000-0x0000027F1F990000-memory.dmp

      Filesize

      64KB

    • memory/3052-176-0x0000027F24A30000-0x0000027F24A38000-memory.dmp

      Filesize

      32KB

    • memory/3052-178-0x0000027F24370000-0x0000027F243A8000-memory.dmp

      Filesize

      224KB

    • memory/3252-128-0x0000000000400000-0x000000000063B000-memory.dmp

      Filesize

      2.2MB

    • memory/3252-175-0x0000000000400000-0x000000000063B000-memory.dmp

      Filesize

      2.2MB

    • memory/3252-39-0x0000000061E00000-0x0000000061EF3000-memory.dmp

      Filesize

      972KB

    • memory/3252-107-0x0000000000400000-0x000000000063B000-memory.dmp

      Filesize

      2.2MB

    • memory/3252-185-0x0000000000400000-0x000000000063B000-memory.dmp

      Filesize

      2.2MB

    • memory/3252-19-0x0000000000400000-0x000000000063B000-memory.dmp

      Filesize

      2.2MB

    • memory/3252-18-0x0000000000400000-0x000000000063B000-memory.dmp

      Filesize

      2.2MB

    • memory/3252-13-0x0000000000400000-0x000000000063B000-memory.dmp

      Filesize

      2.2MB

    • memory/3672-14-0x0000000002DB0000-0x0000000002EB0000-memory.dmp

      Filesize

      1024KB

    • memory/3672-15-0x0000000002D80000-0x0000000002DA7000-memory.dmp

      Filesize

      156KB

    • memory/4108-197-0x0000000005570000-0x0000000005580000-memory.dmp

      Filesize

      64KB

    • memory/4108-200-0x0000000074D00000-0x00000000754B1000-memory.dmp

      Filesize

      7.7MB

    • memory/4108-195-0x0000000000980000-0x00000000009A0000-memory.dmp

      Filesize

      128KB

    • memory/4108-196-0x0000000074D00000-0x00000000754B1000-memory.dmp

      Filesize

      7.7MB

    • memory/4348-1-0x0000000002C80000-0x0000000002D80000-memory.dmp

      Filesize

      1024KB

    • memory/4348-61-0x0000000000400000-0x0000000002B83000-memory.dmp

      Filesize

      39.5MB

    • memory/4348-2-0x00000000048A0000-0x000000000490C000-memory.dmp

      Filesize

      432KB

    • memory/4348-3-0x0000000000400000-0x0000000002B83000-memory.dmp

      Filesize

      39.5MB

    • memory/4348-73-0x00000000048A0000-0x000000000490C000-memory.dmp

      Filesize

      432KB