Analysis

  • max time kernel
    146s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-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
  • Checks computer location settings 2 TTPs 4 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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).

  • 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 30 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⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3440
    • C:\Users\Admin\AppData\Local\Temp\u2nk.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u2nk.0.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:2380
      • C:\Users\Admin\AppData\Local\Temp\u2nk.0.exe
        "C:\Users\Admin\AppData\Local\Temp\u2nk.0.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2844
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\IDBAFHDGDG.exe"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1720
          • C:\Users\Admin\AppData\Local\Temp\IDBAFHDGDG.exe
            "C:\Users\Admin\AppData\Local\Temp\IDBAFHDGDG.exe"
            5⤵
            • Checks computer location settings
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:4440
            • 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\IDBAFHDGDG.exe
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:3956
              • C:\Windows\SysWOW64\PING.EXE
                ping 2.2.2.2 -n 1 -w 3000
                7⤵
                • Runs ping.exe
                PID:1188
    • C:\Users\Admin\AppData\Local\Temp\u2nk.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u2nk.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:588
      • 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:1140

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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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\IDBAFHDGDG.exe

    Filesize

    106KB

    MD5

    fe380780b5c35bd6d54541791151c2be

    SHA1

    7fe3a583cf91474c733f85cebf3c857682e269e1

    SHA256

    b64a84d1f88e4e78464a1901c1cb5bbd5f00bb73203d719e64e072157a087b53

    SHA512

    ba05ba8aa13c4bc1cf98fbf6c08b021e8b19354098e0397fc8e1e5d3dcce367c1063203f24e50d0973193f6535681d0a43486e5dade5d112853b7a2fe8739b6c

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

    Filesize

    3KB

    MD5

    f20947cb0622a2011d8d78765ac25027

    SHA1

    517d7de3ee0fdf413a10d310b70cfb4bc6d78690

    SHA256

    51077e115067f108b7b88f4757ae872f7e1b0b3d28dadc3c3d49a89e743eb4b0

    SHA512

    68266c9dd0eb00bfac4f3395cbef565aa4492154cb8eaf13c6892381abe0ae2a656305ec6f3ab7b2da6ec12ee68e73a42ed65434d69cf3b94ba2098b95fe60e4

  • C:\Users\Admin\AppData\Local\Temp\u2nk.0.exe

    Filesize

    218KB

    MD5

    8ea1d93b5483f485d5f9faa31b93da8f

    SHA1

    efe417a99c985f55220e493b2690bb223fb874bd

    SHA256

    4ea48e183f9935319a1124ac40fbd2f19bcdf77f6b600293600b6e898c184059

    SHA512

    b37a06d9b3ad90f9668f4a7fa7ae3b5426a29d62cc8353dffca9c49e3466ba152a083af9f9c2ce3b43ae79000f7052ce8ba384bf1d50e65426d0c0473a4093ec

  • C:\Users\Admin\AppData\Local\Temp\u2nk.1.exe

    Filesize

    4.6MB

    MD5

    397926927bca55be4a77839b1c44de6e

    SHA1

    e10f3434ef3021c399dbba047832f02b3c898dbd

    SHA256

    4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

    SHA512

    cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

  • memory/588-32-0x0000000002460000-0x0000000002461000-memory.dmp

    Filesize

    4KB

  • memory/588-143-0x0000000000400000-0x00000000008AD000-memory.dmp

    Filesize

    4.7MB

  • memory/588-131-0x0000000000400000-0x00000000008AD000-memory.dmp

    Filesize

    4.7MB

  • memory/1140-159-0x000001D3B2E10000-0x000001D3B2EC2000-memory.dmp

    Filesize

    712KB

  • memory/1140-171-0x000001D3B3460000-0x000001D3B3760000-memory.dmp

    Filesize

    3.0MB

  • memory/1140-211-0x000001D3B2ED0000-0x000001D3B2EE0000-memory.dmp

    Filesize

    64KB

  • memory/1140-210-0x000001D3B2ED0000-0x000001D3B2EE0000-memory.dmp

    Filesize

    64KB

  • memory/1140-209-0x000001D3B2ED0000-0x000001D3B2EE0000-memory.dmp

    Filesize

    64KB

  • memory/1140-208-0x00007FFB837A0000-0x00007FFB84261000-memory.dmp

    Filesize

    10.8MB

  • memory/1140-186-0x000001D3B8680000-0x000001D3B869E000-memory.dmp

    Filesize

    120KB

  • memory/1140-185-0x000001D3B8970000-0x000001D3B8992000-memory.dmp

    Filesize

    136KB

  • memory/1140-184-0x000001D3B7810000-0x000001D3B781C000-memory.dmp

    Filesize

    48KB

  • memory/1140-183-0x000001D3B86A0000-0x000001D3B86F0000-memory.dmp

    Filesize

    320KB

  • memory/1140-144-0x00007FFB837A0000-0x00007FFB84261000-memory.dmp

    Filesize

    10.8MB

  • memory/1140-145-0x000001D393F50000-0x000001D397848000-memory.dmp

    Filesize

    57.0MB

  • memory/1140-147-0x000001D3B2ED0000-0x000001D3B2EE0000-memory.dmp

    Filesize

    64KB

  • memory/1140-148-0x000001D3B30B0000-0x000001D3B31C0000-memory.dmp

    Filesize

    1.1MB

  • memory/1140-149-0x000001D397C70000-0x000001D397C80000-memory.dmp

    Filesize

    64KB

  • memory/1140-150-0x000001D399600000-0x000001D39960C000-memory.dmp

    Filesize

    48KB

  • memory/1140-151-0x000001D397CB0000-0x000001D397CC4000-memory.dmp

    Filesize

    80KB

  • memory/1140-152-0x000001D3B1E30000-0x000001D3B1E54000-memory.dmp

    Filesize

    144KB

  • memory/1140-157-0x000001D3B1E60000-0x000001D3B1E6A000-memory.dmp

    Filesize

    40KB

  • memory/1140-158-0x000001D3B2DE0000-0x000001D3B2E0A000-memory.dmp

    Filesize

    168KB

  • memory/1140-180-0x000001D3B8B80000-0x000001D3B90A8000-memory.dmp

    Filesize

    5.2MB

  • memory/1140-160-0x000001D3B2FE0000-0x000001D3B305A000-memory.dmp

    Filesize

    488KB

  • memory/1140-165-0x000001D3B3300000-0x000001D3B3362000-memory.dmp

    Filesize

    392KB

  • memory/1140-166-0x000001D3B33E0000-0x000001D3B3456000-memory.dmp

    Filesize

    472KB

  • memory/1140-167-0x000001D397C90000-0x000001D397C9A000-memory.dmp

    Filesize

    40KB

  • memory/1140-179-0x000001D3B8630000-0x000001D3B8652000-memory.dmp

    Filesize

    136KB

  • memory/1140-178-0x000001D3B7800000-0x000001D3B780A000-memory.dmp

    Filesize

    40KB

  • memory/1140-174-0x000001D3B2ED0000-0x000001D3B2EE0000-memory.dmp

    Filesize

    64KB

  • memory/1140-175-0x000001D3B33D0000-0x000001D3B33D8000-memory.dmp

    Filesize

    32KB

  • memory/1140-176-0x000001D3B7790000-0x000001D3B77C8000-memory.dmp

    Filesize

    224KB

  • memory/1140-177-0x000001D3B7750000-0x000001D3B775E000-memory.dmp

    Filesize

    56KB

  • memory/2380-15-0x0000000002CC0000-0x0000000002CE7000-memory.dmp

    Filesize

    156KB

  • memory/2380-14-0x0000000002D00000-0x0000000002E00000-memory.dmp

    Filesize

    1024KB

  • memory/2844-192-0x0000000000400000-0x000000000063B000-memory.dmp

    Filesize

    2.2MB

  • memory/2844-19-0x0000000000400000-0x000000000063B000-memory.dmp

    Filesize

    2.2MB

  • memory/2844-42-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/2844-20-0x0000000000400000-0x000000000063B000-memory.dmp

    Filesize

    2.2MB

  • memory/2844-130-0x0000000000400000-0x000000000063B000-memory.dmp

    Filesize

    2.2MB

  • memory/2844-13-0x0000000000400000-0x000000000063B000-memory.dmp

    Filesize

    2.2MB

  • memory/2844-173-0x0000000000400000-0x000000000063B000-memory.dmp

    Filesize

    2.2MB

  • memory/2844-197-0x0000000000400000-0x000000000063B000-memory.dmp

    Filesize

    2.2MB

  • memory/3440-3-0x0000000000400000-0x0000000002B83000-memory.dmp

    Filesize

    39.5MB

  • memory/3440-2-0x0000000002D40000-0x0000000002DAC000-memory.dmp

    Filesize

    432KB

  • memory/3440-31-0x0000000000400000-0x0000000002B83000-memory.dmp

    Filesize

    39.5MB

  • memory/3440-1-0x0000000002DE0000-0x0000000002EE0000-memory.dmp

    Filesize

    1024KB

  • memory/3440-33-0x0000000002D40000-0x0000000002DAC000-memory.dmp

    Filesize

    432KB

  • memory/4440-202-0x0000000000FB0000-0x0000000000FD0000-memory.dmp

    Filesize

    128KB

  • memory/4440-203-0x0000000074430000-0x0000000074BE0000-memory.dmp

    Filesize

    7.7MB

  • memory/4440-204-0x0000000005AD0000-0x0000000005AE0000-memory.dmp

    Filesize

    64KB

  • memory/4440-207-0x0000000074430000-0x0000000074BE0000-memory.dmp

    Filesize

    7.7MB