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Analysis

  • max time kernel
    128s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/04/2024, 01:14

General

  • Target

    6f2eefd23e33e862207e4b9e91baa29a34ad63aff6e5e76f6aafc747f1b97768.exe

  • Size

    497KB

  • MD5

    faf13222570e0483055345c82dec07da

  • SHA1

    e7fd20c5290201d144010850e37285f09b592dbe

  • SHA256

    6f2eefd23e33e862207e4b9e91baa29a34ad63aff6e5e76f6aafc747f1b97768

  • SHA512

    cdd9106575322ba8498a003c46c4ccab8a1151a8df725695022d294367ac40ed64e3bd883c3e355488d1e6c95385f2e9aaad7c1477390e63431c22ceb043a9fd

  • SSDEEP

    6144:RWSicFcC1yNLlB7N/o+BJkp5QtBfwvUGSx/J1AopaFQve1P2FCLjH:VTFcC1yND7NrcPuBfwvEx/UdR/fH

Malware Config

Signatures

  • Detect ZGRat V1 3 IoCs
  • Stealc

    Stealc is an infostealer written in C++.

  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Detect binaries embedding considerable number of MFA browser extension IDs. 4 IoCs
  • Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs. 4 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 3 IoCs
  • Detects encrypted or obfuscated .NET executables 1 IoCs
  • 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
  • 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.

  • 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 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6f2eefd23e33e862207e4b9e91baa29a34ad63aff6e5e76f6aafc747f1b97768.exe
    "C:\Users\Admin\AppData\Local\Temp\6f2eefd23e33e862207e4b9e91baa29a34ad63aff6e5e76f6aafc747f1b97768.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:348
    • C:\Users\Admin\AppData\Local\Temp\6f2eefd23e33e862207e4b9e91baa29a34ad63aff6e5e76f6aafc747f1b97768.exe
      "C:\Users\Admin\AppData\Local\Temp\6f2eefd23e33e862207e4b9e91baa29a34ad63aff6e5e76f6aafc747f1b97768.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:4208
      • C:\Users\Admin\AppData\Local\Temp\u38w.0.exe
        "C:\Users\Admin\AppData\Local\Temp\u38w.0.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        PID:4148
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4148 -s 2368
          4⤵
          • Program crash
          PID:4692
      • C:\Users\Admin\AppData\Local\Temp\u38w.1.exe
        "C:\Users\Admin\AppData\Local\Temp\u38w.1.exe"
        3⤵
        • 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:1152
        • 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
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3772
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4148 -ip 4148
    1⤵
      PID:1728

    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

      d8f2272db6af661bcfc79871f6b9c42b

      SHA1

      716821e4076cedae7fa6636ba5c6192eb3789fbb

      SHA256

      ec8bd613db259a4078d4d8428a2bf07eb49db2fa56999c4b013b74bf0e739fe3

      SHA512

      19dd35746499a1582139a6e8d4fa1b74d4c39eaad1bc1dc4bd4d2ab15ae5b52e3e6b86ef73aa6e7a11ccc7996e31467e561c4b4b14444bffdaa7106609da1d38

    • C:\Users\Admin\AppData\Local\Temp\u38w.0.exe

      Filesize

      312KB

      MD5

      45ebf25aac06239ca9bbbf2de6c08d0e

      SHA1

      e5543591c520fe6c4f099aa1ae23891cf4582ccc

      SHA256

      f95030244aeff5ee70276f65904704dc3e7b02ed79a19fd8fd4e00d80af6d92f

      SHA512

      e42ac33633e31affded4885785231da0281eecd92807b2ea7ddafc5f0ea9a260ec9a894b5ef08e69907c1d79c44360028b5c9c49d348c6d110ae475ecdf8aea4

    • C:\Users\Admin\AppData\Local\Temp\u38w.1.exe

      Filesize

      4.6MB

      MD5

      397926927bca55be4a77839b1c44de6e

      SHA1

      e10f3434ef3021c399dbba047832f02b3c898dbd

      SHA256

      4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

      SHA512

      cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

    • memory/348-1-0x00000000007A0000-0x00000000008A0000-memory.dmp

      Filesize

      1024KB

    • memory/348-2-0x0000000002240000-0x00000000022AD000-memory.dmp

      Filesize

      436KB

    • memory/1152-31-0x0000000000AD0000-0x0000000000AD1000-memory.dmp

      Filesize

      4KB

    • memory/1152-116-0x0000000000400000-0x00000000008AD000-memory.dmp

      Filesize

      4.7MB

    • memory/1152-101-0x0000000000400000-0x00000000008AD000-memory.dmp

      Filesize

      4.7MB

    • memory/3772-129-0x00000214FD830000-0x00000214FD892000-memory.dmp

      Filesize

      392KB

    • memory/3772-139-0x00000214FDCA0000-0x00000214FDCA8000-memory.dmp

      Filesize

      32KB

    • memory/3772-194-0x00000214E3D40000-0x00000214E3D50000-memory.dmp

      Filesize

      64KB

    • memory/3772-192-0x00000214E3D40000-0x00000214E3D50000-memory.dmp

      Filesize

      64KB

    • memory/3772-193-0x00000214E3D40000-0x00000214E3D50000-memory.dmp

      Filesize

      64KB

    • memory/3772-191-0x00000214E3D40000-0x00000214E3D50000-memory.dmp

      Filesize

      64KB

    • memory/3772-190-0x00007FFA32610000-0x00007FFA330D1000-memory.dmp

      Filesize

      10.8MB

    • memory/3772-117-0x00007FFA32610000-0x00007FFA330D1000-memory.dmp

      Filesize

      10.8MB

    • memory/3772-118-0x00000214DE830000-0x00000214E2128000-memory.dmp

      Filesize

      57.0MB

    • memory/3772-119-0x00000214E3D40000-0x00000214E3D50000-memory.dmp

      Filesize

      64KB

    • memory/3772-120-0x00000214FD8B0000-0x00000214FD9C0000-memory.dmp

      Filesize

      1.1MB

    • memory/3772-121-0x00000214E3D60000-0x00000214E3D70000-memory.dmp

      Filesize

      64KB

    • memory/3772-122-0x00000214E3D80000-0x00000214E3D8C000-memory.dmp

      Filesize

      48KB

    • memory/3772-123-0x00000214E3D70000-0x00000214E3D84000-memory.dmp

      Filesize

      80KB

    • memory/3772-124-0x00000214E3DE0000-0x00000214E3E04000-memory.dmp

      Filesize

      144KB

    • memory/3772-125-0x00000214E3E10000-0x00000214E3E1A000-memory.dmp

      Filesize

      40KB

    • memory/3772-126-0x00000214FC750000-0x00000214FC77A000-memory.dmp

      Filesize

      168KB

    • memory/3772-127-0x00000214FDB00000-0x00000214FDBB2000-memory.dmp

      Filesize

      712KB

    • memory/3772-128-0x00000214FDBB0000-0x00000214FDC2A000-memory.dmp

      Filesize

      488KB

    • memory/3772-166-0x00000214FFFD0000-0x00000214FFFEE000-memory.dmp

      Filesize

      120KB

    • memory/3772-130-0x00000214FDCB0000-0x00000214FDD26000-memory.dmp

      Filesize

      472KB

    • memory/3772-131-0x00000214E3E20000-0x00000214E3E2A000-memory.dmp

      Filesize

      40KB

    • memory/3772-135-0x00000214FDD30000-0x00000214FE030000-memory.dmp

      Filesize

      3.0MB

    • memory/3772-137-0x00000214E3D40000-0x00000214E3D50000-memory.dmp

      Filesize

      64KB

    • memory/3772-138-0x00000214E3D40000-0x00000214E3D50000-memory.dmp

      Filesize

      64KB

    • memory/3772-157-0x0000021500090000-0x00000215000B2000-memory.dmp

      Filesize

      136KB

    • memory/3772-140-0x00000214E3D40000-0x00000214E3D50000-memory.dmp

      Filesize

      64KB

    • memory/3772-142-0x00000214FFFA0000-0x00000214FFFAE000-memory.dmp

      Filesize

      56KB

    • memory/3772-141-0x0000021500000000-0x0000021500038000-memory.dmp

      Filesize

      224KB

    • memory/3772-143-0x00000214820C0000-0x00000214820CA000-memory.dmp

      Filesize

      40KB

    • memory/3772-144-0x00000214820D0000-0x00000214820F2000-memory.dmp

      Filesize

      136KB

    • memory/3772-145-0x0000021483470000-0x0000021483998000-memory.dmp

      Filesize

      5.2MB

    • memory/3772-149-0x00000214820F0000-0x00000214820FC000-memory.dmp

      Filesize

      48KB

    • memory/3772-153-0x00000214E3D40000-0x00000214E3D50000-memory.dmp

      Filesize

      64KB

    • memory/3772-148-0x0000021500040000-0x0000021500090000-memory.dmp

      Filesize

      320KB

    • memory/4148-16-0x0000000002F20000-0x0000000003020000-memory.dmp

      Filesize

      1024KB

    • memory/4148-152-0x0000000000400000-0x0000000002D2C000-memory.dmp

      Filesize

      41.2MB

    • memory/4148-150-0x0000000002F20000-0x0000000003020000-memory.dmp

      Filesize

      1024KB

    • memory/4148-151-0x0000000004930000-0x0000000004957000-memory.dmp

      Filesize

      156KB

    • memory/4148-40-0x0000000061E00000-0x0000000061EF3000-memory.dmp

      Filesize

      972KB

    • memory/4148-100-0x0000000000400000-0x0000000002D2C000-memory.dmp

      Filesize

      41.2MB

    • memory/4148-18-0x0000000000400000-0x0000000002D2C000-memory.dmp

      Filesize

      41.2MB

    • memory/4148-17-0x0000000004930000-0x0000000004957000-memory.dmp

      Filesize

      156KB

    • memory/4148-189-0x0000000000400000-0x0000000002D2C000-memory.dmp

      Filesize

      41.2MB

    • memory/4208-29-0x0000000000400000-0x000000000046E000-memory.dmp

      Filesize

      440KB

    • memory/4208-3-0x0000000000400000-0x000000000046E000-memory.dmp

      Filesize

      440KB

    • memory/4208-4-0x0000000000400000-0x000000000046E000-memory.dmp

      Filesize

      440KB

    • memory/4208-6-0x0000000000400000-0x000000000046E000-memory.dmp

      Filesize

      440KB

    • memory/4208-5-0x0000000000400000-0x000000000046E000-memory.dmp

      Filesize

      440KB