Analysis

  • max time kernel
    129s
  • max time network
    132s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240419-en
  • resource tags

    arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    06-05-2024 09:29

General

  • Target

    78d8166716bd66d81e10f7b5f939d44c42a798bd3f7ecadb948776baf5d58612.exe

  • Size

    417KB

  • MD5

    2e349cc184e622bdbc988b2cb65dbb21

  • SHA1

    cd45fc067c91105d5eb32507c6543b28c4018a3c

  • SHA256

    78d8166716bd66d81e10f7b5f939d44c42a798bd3f7ecadb948776baf5d58612

  • SHA512

    c855f03181d6248e838782217a3057b68d175fe7a1c5f591dcda5918f537d50374521620886971cd789c62fbd93956b335c3d23c34c7c1f6ff3174c5443252b5

  • SSDEEP

    6144:Gvm5q7cumHxCrGqFot529roAosBXIwDT6Wg1dHN8pQUfFZpYY8pS/rUUwKOgYtas:Gvqq7cumorCFKpnq/OFr8pvKStK8

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
  • Executes dropped EXE 2 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.

  • 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 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\78d8166716bd66d81e10f7b5f939d44c42a798bd3f7ecadb948776baf5d58612.exe
    "C:\Users\Admin\AppData\Local\Temp\78d8166716bd66d81e10f7b5f939d44c42a798bd3f7ecadb948776baf5d58612.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2012
    • C:\Users\Admin\AppData\Local\Temp\u1jw.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u1jw.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:3652
    • C:\Users\Admin\AppData\Local\Temp\u1jw.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u1jw.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:868
      • 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:2308
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2012 -s 984
      2⤵
      • Program crash
      PID:2176
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2012 -ip 2012
    1⤵
      PID:1876

    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\iolo\dm\ioloDMLog.txt

      Filesize

      3KB

      MD5

      25fc4a1c753acd857965023579880615

      SHA1

      ba258c85dcd193a27f0e3f0fdd842a07b9164f02

      SHA256

      913a06a3b6c15c38f63c723cb716b74697dfe9b2d0ca399caa1d12feed4aa05a

      SHA512

      018df9b4bc09f62ce46a4787be1245276de3f3f2ec06a868185dce0b992e036ab959c54aac2fe96076e63bee4481441cc037e8bff45b6254dcf0d6698507737b

    • C:\Users\Admin\AppData\Local\Temp\u1jw.0.exe

      Filesize

      275KB

      MD5

      e204cf255baa04d7989d28f3e6b4ab83

      SHA1

      ca10014a405ca8bf9f9a2d19cf71748cf1ae2e63

      SHA256

      4cceee7f9f7da2dc7f29954591aa0e7bd5c8d53063dc4e16cc63996febd9d4f4

      SHA512

      3e2069174efd894cd7f7ea4c7fdae94914c0f342b7a7043737e621cbe8242346a1aae7a1afccbf06f00d66dfa4105633906ba43c822c3d3399ac30078df69c65

    • C:\Users\Admin\AppData\Local\Temp\u1jw.1.exe

      Filesize

      4.6MB

      MD5

      397926927bca55be4a77839b1c44de6e

      SHA1

      e10f3434ef3021c399dbba047832f02b3c898dbd

      SHA256

      4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

      SHA512

      cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

    • memory/868-119-0x0000000000400000-0x00000000008AD000-memory.dmp

      Filesize

      4.7MB

    • memory/868-131-0x0000000000400000-0x00000000008AD000-memory.dmp

      Filesize

      4.7MB

    • memory/2012-66-0x0000000000400000-0x000000000046F000-memory.dmp

      Filesize

      444KB

    • memory/2012-65-0x0000000000400000-0x0000000001A32000-memory.dmp

      Filesize

      22.2MB

    • memory/2012-3-0x0000000000400000-0x000000000046F000-memory.dmp

      Filesize

      444KB

    • memory/2012-1-0x0000000001D80000-0x0000000001E80000-memory.dmp

      Filesize

      1024KB

    • memory/2012-2-0x0000000003760000-0x00000000037CC000-memory.dmp

      Filesize

      432KB

    • memory/2308-136-0x00000191A48F0000-0x00000191A4904000-memory.dmp

      Filesize

      80KB

    • memory/2308-144-0x00000191A3060000-0x00000191A306A000-memory.dmp

      Filesize

      40KB

    • memory/2308-171-0x00000191C23E0000-0x00000191C23FE000-memory.dmp

      Filesize

      120KB

    • memory/2308-132-0x000001919F300000-0x00000191A2BF8000-memory.dmp

      Filesize

      57.0MB

    • memory/2308-133-0x00000191BD4C0000-0x00000191BD5D0000-memory.dmp

      Filesize

      1.1MB

    • memory/2308-134-0x00000191A48E0000-0x00000191A48F0000-memory.dmp

      Filesize

      64KB

    • memory/2308-135-0x00000191A4900000-0x00000191A490C000-memory.dmp

      Filesize

      48KB

    • memory/2308-161-0x00000191C23B0000-0x00000191C23D2000-memory.dmp

      Filesize

      136KB

    • memory/2308-137-0x00000191A4960000-0x00000191A4984000-memory.dmp

      Filesize

      144KB

    • memory/2308-138-0x00000191A4990000-0x00000191A499A000-memory.dmp

      Filesize

      40KB

    • memory/2308-139-0x00000191BD3C0000-0x00000191BD472000-memory.dmp

      Filesize

      712KB

    • memory/2308-140-0x00000191BD470000-0x00000191BD49A000-memory.dmp

      Filesize

      168KB

    • memory/2308-141-0x00000191BD5D0000-0x00000191BD64A000-memory.dmp

      Filesize

      488KB

    • memory/2308-142-0x00000191BD650000-0x00000191BD6B2000-memory.dmp

      Filesize

      392KB

    • memory/2308-143-0x00000191BD890000-0x00000191BD906000-memory.dmp

      Filesize

      472KB

    • memory/2308-160-0x00000191C2310000-0x00000191C231C000-memory.dmp

      Filesize

      48KB

    • memory/2308-148-0x00000191BD910000-0x00000191BDC10000-memory.dmp

      Filesize

      3.0MB

    • memory/2308-150-0x00000191C1540000-0x00000191C1548000-memory.dmp

      Filesize

      32KB

    • memory/2308-152-0x00000191C1C10000-0x00000191C1C1E000-memory.dmp

      Filesize

      56KB

    • memory/2308-151-0x00000191C1C40000-0x00000191C1C78000-memory.dmp

      Filesize

      224KB

    • memory/2308-154-0x00000191C2590000-0x00000191C259A000-memory.dmp

      Filesize

      40KB

    • memory/2308-155-0x00000191C25A0000-0x00000191C25C2000-memory.dmp

      Filesize

      136KB

    • memory/2308-156-0x00000191C2AF0000-0x00000191C3018000-memory.dmp

      Filesize

      5.2MB

    • memory/2308-159-0x00000191C2360000-0x00000191C23B0000-memory.dmp

      Filesize

      320KB

    • memory/3652-118-0x0000000000400000-0x0000000001A0F000-memory.dmp

      Filesize

      22.1MB

    • memory/3652-17-0x0000000000400000-0x0000000001A0F000-memory.dmp

      Filesize

      22.1MB

    • memory/3652-16-0x0000000000400000-0x0000000001A0F000-memory.dmp

      Filesize

      22.1MB

    • memory/3652-26-0x0000000061E00000-0x0000000061EF3000-memory.dmp

      Filesize

      972KB

    • memory/3652-173-0x0000000000400000-0x0000000001A0F000-memory.dmp

      Filesize

      22.1MB