Analysis

  • max time kernel
    145s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240508-en
  • resource tags

    arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    10/05/2024, 00:00

General

  • Target

    714f148fca76fffff45d10e8b8c70c293fdd7b3222a55981a150ad596695e5a8.exe

  • Size

    384KB

  • MD5

    a5cd431c49ff36cd15256679be4c9425

  • SHA1

    576a7937c023192dffdefb4d55256e7c2685b080

  • SHA256

    714f148fca76fffff45d10e8b8c70c293fdd7b3222a55981a150ad596695e5a8

  • SHA512

    f297995d7c047073576b6b943c4ede935d0fe91b43fb141dea374eb5011ad568f551d10ac76a01287a22bd6b125d7fac5dacfb530c071a3618dacc163a19304d

  • SSDEEP

    6144:WPhyrd5h3eOxlkRkIAXAQXNaHOnu1yPlWguHSQDuWWxI:WPh0tJ9XAQdQqGSKuDI

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 2 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\714f148fca76fffff45d10e8b8c70c293fdd7b3222a55981a150ad596695e5a8.exe
    "C:\Users\Admin\AppData\Local\Temp\714f148fca76fffff45d10e8b8c70c293fdd7b3222a55981a150ad596695e5a8.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4460
    • C:\Users\Admin\AppData\Local\Temp\u3fw.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u3fw.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:4836
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4836 -s 2308
        3⤵
        • Program crash
        PID:4832
    • C:\Users\Admin\AppData\Local\Temp\u3fw.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u3fw.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:4848
      • 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:1516
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4460 -s 1640
      2⤵
      • Program crash
      PID:3192
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4460 -ip 4460
    1⤵
      PID:5040
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4836 -ip 4836
      1⤵
        PID:3024

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • 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

        2KB

        MD5

        f725d124b0344d4b97555bf26e0c83d1

        SHA1

        a83527c707297c54ede8f30fca0f7d20d3365e11

        SHA256

        6db29f8064db4a932f7be306b728d79de73f8947a50db15fc771c90a6e3d8096

        SHA512

        d5a9092eb2d63c8b848e4d5385014ccc76040218047e91aaefad700fbc58233f6022cc4afb36bdf2f46c8a9ac34b520e7a1992012eca5b1db8999ec3766fa8e2

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

        Filesize

        3KB

        MD5

        cd9d72bb927c211a1bce05fee0778f10

        SHA1

        84e4967ff7a7e3b842837572fe649b3a40ee43a5

        SHA256

        b886ebd4d5e28725e6c0cc13a1742dab8639cff2f34bc0c17823372b21737684

        SHA512

        d30b68bbb9cc94aee298ef658e0f4ba551d53628fcdfe4ce018297e0aba6eaba426a87deffaa8cce26dfe6c72306496f38c3e4c09b769f56b80020fa6810df6e

      • C:\Users\Admin\AppData\Local\Temp\u3fw.0.exe

        Filesize

        242KB

        MD5

        016e62b625dae4c6e7697663fcda8e70

        SHA1

        0854d0798147947e1f45e94f00d4e211f3655bc3

        SHA256

        c71268dceea5908ceaff670721c53af922158aca6dd6c9958762b3658bc3acf0

        SHA512

        66de6a47f8165c149538f2acec23606da9dba3e3c03f5598863d6bd623f760df9704ccc7e4afd0a8ef2d2d2613e46a5819a9d8dff980c9431ca49cdef110f37a

      • C:\Users\Admin\AppData\Local\Temp\u3fw.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/1516-114-0x000001ED609A0000-0x000001ED609CA000-memory.dmp

        Filesize

        168KB

      • memory/1516-119-0x000001ED609D0000-0x000001ED609F2000-memory.dmp

        Filesize

        136KB

      • memory/1516-168-0x000001ED60E70000-0x000001ED61016000-memory.dmp

        Filesize

        1.6MB

      • memory/1516-161-0x000001ED65710000-0x000001ED6572E000-memory.dmp

        Filesize

        120KB

      • memory/1516-160-0x000001ED657B0000-0x000001ED65826000-memory.dmp

        Filesize

        472KB

      • memory/1516-159-0x000001ED656D0000-0x000001ED656DC000-memory.dmp

        Filesize

        48KB

      • memory/1516-156-0x000001ED65EE0000-0x000001ED66408000-memory.dmp

        Filesize

        5.2MB

      • memory/1516-154-0x000001ED65950000-0x000001ED659B2000-memory.dmp

        Filesize

        392KB

      • memory/1516-67-0x000001ED42680000-0x000001ED45EB4000-memory.dmp

        Filesize

        56.2MB

      • memory/1516-155-0x000001ED656B0000-0x000001ED656D2000-memory.dmp

        Filesize

        136KB

      • memory/1516-101-0x000001ED605D0000-0x000001ED606DA000-memory.dmp

        Filesize

        1.0MB

      • memory/1516-103-0x000001ED464F0000-0x000001ED464FC000-memory.dmp

        Filesize

        48KB

      • memory/1516-102-0x000001ED46320000-0x000001ED46330000-memory.dmp

        Filesize

        64KB

      • memory/1516-104-0x000001ED46340000-0x000001ED46354000-memory.dmp

        Filesize

        80KB

      • memory/1516-108-0x000001ED60720000-0x000001ED60744000-memory.dmp

        Filesize

        144KB

      • memory/1516-112-0x000001ED60750000-0x000001ED6075A000-memory.dmp

        Filesize

        40KB

      • memory/1516-153-0x000001ED65930000-0x000001ED6593A000-memory.dmp

        Filesize

        40KB

      • memory/1516-113-0x000001ED608F0000-0x000001ED609A2000-memory.dmp

        Filesize

        712KB

      • memory/1516-118-0x000001ED60A20000-0x000001ED60A70000-memory.dmp

        Filesize

        320KB

      • memory/1516-152-0x000001ED64FB0000-0x000001ED64FB8000-memory.dmp

        Filesize

        32KB

      • memory/1516-120-0x000001ED47CD0000-0x000001ED47CDA000-memory.dmp

        Filesize

        40KB

      • memory/1516-124-0x000001ED60A70000-0x000001ED60D70000-memory.dmp

        Filesize

        3.0MB

      • memory/1516-150-0x000001ED64FC0000-0x000001ED64FF8000-memory.dmp

        Filesize

        224KB

      • memory/1516-151-0x000001ED64F90000-0x000001ED64F9E000-memory.dmp

        Filesize

        56KB

      • memory/1516-146-0x000001ED65680000-0x000001ED65688000-memory.dmp

        Filesize

        32KB

      • memory/4460-32-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/4460-2-0x0000000002DA0000-0x0000000002E0C000-memory.dmp

        Filesize

        432KB

      • memory/4460-33-0x0000000002DA0000-0x0000000002E0C000-memory.dmp

        Filesize

        432KB

      • memory/4460-1-0x0000000002E10000-0x0000000002F10000-memory.dmp

        Filesize

        1024KB

      • memory/4460-15-0x0000000000400000-0x0000000002B1E000-memory.dmp

        Filesize

        39.1MB

      • memory/4460-31-0x0000000000400000-0x0000000002B1E000-memory.dmp

        Filesize

        39.1MB

      • memory/4460-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/4836-68-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/4836-177-0x0000000000400000-0x0000000002AF9000-memory.dmp

        Filesize

        39.0MB

      • memory/4836-167-0x0000000000400000-0x0000000002AF9000-memory.dmp

        Filesize

        39.0MB

      • memory/4836-63-0x0000000000400000-0x0000000002AF9000-memory.dmp

        Filesize

        39.0MB

      • memory/4836-184-0x0000000000400000-0x0000000002AF9000-memory.dmp

        Filesize

        39.0MB

      • memory/4848-54-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/4848-66-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB