Analysis

  • max time kernel
    146s
  • max time network
    152s
  • 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 07:57

General

  • Target

    5157678f44cf7bf3650e2151c2cca58f9f46b754117ebc85c2cb6e2d0b729202.exe

  • Size

    372KB

  • MD5

    7aba9190327846dafdb0fdc48e57ab84

  • SHA1

    4eefc7ac537ed9fc61c64533c6c0de1cccc2932a

  • SHA256

    5157678f44cf7bf3650e2151c2cca58f9f46b754117ebc85c2cb6e2d0b729202

  • SHA512

    4f485ac361f602e1aa7d7a7e1b15d0532c0583a84ba5dbb0148aa480d05985fcf9009a2ccd49a093f889930f2f89315870b8af99a621b2e6a42d077f9ec5472e

  • SSDEEP

    6144:oetK0xCObQ2fKaCJVeUg8gSX9THaaQJdHuU+7SH5t6VYTZfm1:oetKRixyaCWDORJQJdHuU+7SZtNZ+1

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 21 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\5157678f44cf7bf3650e2151c2cca58f9f46b754117ebc85c2cb6e2d0b729202.exe
    "C:\Users\Admin\AppData\Local\Temp\5157678f44cf7bf3650e2151c2cca58f9f46b754117ebc85c2cb6e2d0b729202.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1216
    • C:\Users\Admin\AppData\Local\Temp\uxs.0.exe
      "C:\Users\Admin\AppData\Local\Temp\uxs.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:5092
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5092 -s 2228
        3⤵
        • Program crash
        PID:4976
    • C:\Users\Admin\AppData\Local\Temp\uxs.1.exe
      "C:\Users\Admin\AppData\Local\Temp\uxs.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:4348
      • 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:2032
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1216 -s 704
      2⤵
      • Program crash
      PID:3100
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1216 -ip 1216
    1⤵
      PID:1408
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 5092 -ip 5092
      1⤵
        PID:1168

      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

        2KB

        MD5

        b94b85273bee12140bdc0f501f38cdc5

        SHA1

        fe3b561f3bc26163eea82524ae6d776de7fdeade

        SHA256

        d415a7a48ace709e40897f5aefc18a0626b31110a185439a061f5c15914c53e2

        SHA512

        e6c8be83154671f0a3c0b3d6f9ce873744504ef156d0d4fa7ce23c0a1d351992d8eb44daa9d1737385d13fa0b86db83b3eb651380136a5f4ff304c70b3439dbf

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

        Filesize

        230KB

        MD5

        adaa7779ccd1879d9466706724ca2974

        SHA1

        af546b538b5362ee19131e8d30b633c817417d15

        SHA256

        7109bdc186a84c29affbe2882b747b8c32587ce4e8d4b39e770faa06d94431d8

        SHA512

        96fa1c074b4f268393f17b400711898178ce8479272d5b6ca1405568dbe63cc618b46bfb5b80a8b97a7a796f6d4b60c3727beb2b2a13d7e749b3746b736bff87

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

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/1216-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/1216-2-0x00000000042B0000-0x000000000431C000-memory.dmp

        Filesize

        432KB

      • memory/1216-28-0x00000000042B0000-0x000000000431C000-memory.dmp

        Filesize

        432KB

      • memory/1216-27-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/1216-26-0x0000000000400000-0x0000000002599000-memory.dmp

        Filesize

        33.6MB

      • memory/1216-1-0x00000000026A0000-0x00000000027A0000-memory.dmp

        Filesize

        1024KB

      • memory/2032-141-0x00000255CDDD0000-0x00000255CDDE4000-memory.dmp

        Filesize

        80KB

      • memory/2032-146-0x00000255CE240000-0x00000255CE290000-memory.dmp

        Filesize

        320KB

      • memory/2032-166-0x00000255D2DF0000-0x00000255D2E0E000-memory.dmp

        Filesize

        120KB

      • memory/2032-165-0x00000255D2E90000-0x00000255D2F06000-memory.dmp

        Filesize

        472KB

      • memory/2032-137-0x00000255AFEB0000-0x00000255B36E4000-memory.dmp

        Filesize

        56.2MB

      • memory/2032-138-0x00000255CDDF0000-0x00000255CDEFA000-memory.dmp

        Filesize

        1.0MB

      • memory/2032-139-0x00000255CDDC0000-0x00000255CDDD0000-memory.dmp

        Filesize

        64KB

      • memory/2032-140-0x00000255CDF00000-0x00000255CDF0C000-memory.dmp

        Filesize

        48KB

      • memory/2032-164-0x00000255D2DB0000-0x00000255D2DBC000-memory.dmp

        Filesize

        48KB

      • memory/2032-142-0x00000255CDF60000-0x00000255CDF84000-memory.dmp

        Filesize

        144KB

      • memory/2032-145-0x00000255CE1C0000-0x00000255CE1EA000-memory.dmp

        Filesize

        168KB

      • memory/2032-144-0x00000255CE110000-0x00000255CE1C2000-memory.dmp

        Filesize

        712KB

      • memory/2032-143-0x00000255CE0E0000-0x00000255CE0EA000-memory.dmp

        Filesize

        40KB

      • memory/2032-161-0x00000255D34F0000-0x00000255D3A18000-memory.dmp

        Filesize

        5.2MB

      • memory/2032-147-0x00000255CE290000-0x00000255CE2B2000-memory.dmp

        Filesize

        136KB

      • memory/2032-148-0x00000255CDDA0000-0x00000255CDDAA000-memory.dmp

        Filesize

        40KB

      • memory/2032-152-0x00000255CE2C0000-0x00000255CE5C0000-memory.dmp

        Filesize

        3.0MB

      • memory/2032-154-0x00000255D1F50000-0x00000255D1F58000-memory.dmp

        Filesize

        32KB

      • memory/2032-155-0x00000255D2660000-0x00000255D2698000-memory.dmp

        Filesize

        224KB

      • memory/2032-157-0x00000255D2640000-0x00000255D2648000-memory.dmp

        Filesize

        32KB

      • memory/2032-156-0x00000255D2620000-0x00000255D262E000-memory.dmp

        Filesize

        56KB

      • memory/2032-158-0x00000255D2FB0000-0x00000255D2FBA000-memory.dmp

        Filesize

        40KB

      • memory/2032-159-0x00000255D2D30000-0x00000255D2D92000-memory.dmp

        Filesize

        392KB

      • memory/2032-160-0x00000255D2D90000-0x00000255D2DB2000-memory.dmp

        Filesize

        136KB

      • memory/4348-136-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/4348-124-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/5092-123-0x0000000000400000-0x0000000002575000-memory.dmp

        Filesize

        33.5MB

      • memory/5092-34-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB