Analysis

  • max time kernel
    134s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    28/04/2024, 01:14

General

  • Target

    373b0bc34285eb0ffab186720136f6d1aee5573875afb13869f76d484e5b2a86.exe

  • Size

    452KB

  • MD5

    b18f735662f85ad0b563af4149ca6f7b

  • SHA1

    90664a470de69c00b53e348a5c657f630ae7863d

  • SHA256

    373b0bc34285eb0ffab186720136f6d1aee5573875afb13869f76d484e5b2a86

  • SHA512

    79271742d91f04a3bb270058ecf3dd503f32c38a96be9db8a2d50479ed75c63179cb5aabaace243b2d5552809ebdeeac2c01b3f54ae31230f32c6432f8207d19

  • SSDEEP

    6144:yqLtuGCSTaLZ4Bz5iNrmY4+wqKKxsnF4rclsMoSkRywnQts4lY:yWtrlXI14qdxsn7T14N4lY

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.62

Attributes
  • url_path

    /902e53a07830e030.php

Signatures

  • Detect ZGRat V1 3 IoCs
  • SectopRAT

    SectopRAT is a remote access trojan first seen in November 2019.

  • SectopRAT payload 1 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
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 16 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 2 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.

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 7 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\373b0bc34285eb0ffab186720136f6d1aee5573875afb13869f76d484e5b2a86.exe
    "C:\Users\Admin\AppData\Local\Temp\373b0bc34285eb0ffab186720136f6d1aee5573875afb13869f76d484e5b2a86.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2784
    • C:\Users\Admin\AppData\Local\Temp\u25c.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u25c.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:2556
    • C:\Users\Admin\AppData\Local\Temp\u25c.2\run.exe
      "C:\Users\Admin\AppData\Local\Temp\u25c.2\run.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1464
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\SysWOW64\cmd.exe
        3⤵
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:2040
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:2632
    • C:\Users\Admin\AppData\Local\Temp\u25c.3.exe
      "C:\Users\Admin\AppData\Local\Temp\u25c.3.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2176
      • 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:968

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\ApplicationInsights\bd92d7984d802ff9a1e24336bd1ccb4209c69a1bd116225cd9479ac9d0f516c4\05bfba1d502a446f82691d56f421ca63.tmp

          Filesize

          1KB

          MD5

          35d6150a74a7e1ed922e52734e6b5273

          SHA1

          1e91504d250c47ebb99192ee30ab100094190681

          SHA256

          f9fd96012d0bb09e2127d9c0649eceb8d8b48559e0790855f3923e798f7ee3a8

          SHA512

          cd630847fa4b22b77f413ff73c2715dbc3c6985ef5856b98134eb1d04840198b6fe1bc98216d3a5d1bd5066695a24dc8a4f27b36c757c9c57d2a10db237283f3

        • C:\Users\Admin\AppData\Local\Temp\U25C1~1.ZIP

          Filesize

          3.7MB

          MD5

          78d3ca6355c93c72b494bb6a498bf639

          SHA1

          2fa4e5df74bfe75c207c881a1b0d3bc1c62c8b0e

          SHA256

          a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001

          SHA512

          1b2df7bee2514aee7efd3579f5dd33c76b40606d07dba69a34c45747662fad61174db4931bca02b058830107959205e889fee74f8ccc9f6e03f9fd111761f4ea

        • C:\Users\Admin\AppData\Local\Temp\cfbd04fa

          Filesize

          1.4MB

          MD5

          e2c5d0341b644308c77dcea2e5ae1af6

          SHA1

          22b96467a9e5af48f3360f0d5567e773ad53677c

          SHA256

          417836e9b58e4a1e037035cd015166be4e1a81dc2fd1093e4b6d2e45aacc025c

          SHA512

          34586d0161c74f88d7fc7e6f6e6b946e817f1a69cbbcbaf3a7c7701f5c3ba48314854c8735428120c720900a927f08c2cab9757795e53aa4860b4ab45c2da9c6

        • C:\Users\Admin\AppData\Local\Temp\tmpBDC4.tmp

          Filesize

          20KB

          MD5

          c9ff7748d8fcef4cf84a5501e996a641

          SHA1

          02867e5010f62f97ebb0cfb32cb3ede9449fe0c9

          SHA256

          4d3f3194cb1133437aa69bb880c8cbb55ddf06ff61a88ca6c3f1bbfbfd35d988

          SHA512

          d36054499869a8f56ac8547ccd5455f1252c24e17d2b185955390b32da7e2a732ace4e0f30f9493fcc61425a2e31ed623465f998f41af69423ee0e3ed1483a73

        • C:\Users\Admin\AppData\Local\Temp\u25c.2\UIxMarketPlugin.dll

          Filesize

          1.6MB

          MD5

          d1ba9412e78bfc98074c5d724a1a87d6

          SHA1

          0572f98d78fb0b366b5a086c2a74cc68b771d368

          SHA256

          cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15

          SHA512

          8765de36d3824b12c0a4478c31b985878d4811bd0e5b6fba4ea07f8c76340bd66a2da3490d4871b95d9a12f96efc25507dfd87f431de211664dbe9a9c914af6f

        • C:\Users\Admin\AppData\Local\Temp\u25c.2\bunch.dat

          Filesize

          1.3MB

          MD5

          1e8237d3028ab52821d69099e0954f97

          SHA1

          30a6ae353adda0c471c6ed5b7a2458b07185abf2

          SHA256

          9387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742

          SHA512

          a6406d7c18694ee014d59df581f1f76e980b68e3361ae680dc979606a423eba48d35e37f143154dd97fe5f066baf0ea51a2e9f8bc822d593e1cba70ead6559f3

        • C:\Users\Admin\AppData\Local\Temp\u25c.2\relay.dll

          Filesize

          1.5MB

          MD5

          10d51becd0bbce0fab147ff9658c565e

          SHA1

          4689a18112ff876d3c066bc8c14a08fd6b7b7a4a

          SHA256

          7b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed

          SHA512

          29faf493bb28f7842c905adc5312f31741effb09f841059b53d73b22aea2c4d41d73db10bbf37703d6aeb936ffacbc756a3cc85ba3c0b6a6863ef4d27fefcd29

        • C:\Users\Admin\AppData\Local\Temp\u25c.2\run.exe

          Filesize

          2.4MB

          MD5

          9fb4770ced09aae3b437c1c6eb6d7334

          SHA1

          fe54b31b0db8665aa5b22bed147e8295afc88a03

          SHA256

          a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3

          SHA512

          140fee6daf23fe8b7e441b3b4de83554af804f00ecedc421907a385ac79a63164bd9f28b4be061c2ea2262755d85e14d3a8e7dc910547837b664d78d93667256

        • C:\Users\Admin\AppData\Local\Temp\u25c.2\whale.dbf

          Filesize

          85KB

          MD5

          a723bf46048e0bfb15b8d77d7a648c3e

          SHA1

          8952d3c34e9341e4425571e10f22b782695bb915

          SHA256

          b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422

          SHA512

          ca8ea2f7f3c7af21b5673a0a3f2611b6580a7ed02efa2cfd8b343eb644ff09682bde43b25ef7aab68530d5ce31dcbd252c382dd336ecb610d4c4ebde78347273

        • \ProgramData\mozglue.dll

          Filesize

          593KB

          MD5

          c8fd9be83bc728cc04beffafc2907fe9

          SHA1

          95ab9f701e0024cedfbd312bcfe4e726744c4f2e

          SHA256

          ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

          SHA512

          fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

        • \ProgramData\nss3.dll

          Filesize

          2.0MB

          MD5

          1cc453cdf74f31e4d913ff9c10acdde2

          SHA1

          6e85eae544d6e965f15fa5c39700fa7202f3aafe

          SHA256

          ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

          SHA512

          dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

        • \Users\Admin\AppData\Local\Temp\u25c.0.exe

          Filesize

          226KB

          MD5

          f85ca7da4201921c93b98f6555f3d7b7

          SHA1

          523891e3e23bb45a52e402b6282f70f9e17cde9c

          SHA256

          eeaa177b0bc2d85cf8b416c2ed3b85fd50bd7c811bf41a32d161a10a767c2fda

          SHA512

          1b8220fe954799fbc43a702a1c508beff390c3f5a58e8e50e3c5ccce48459ec3a25df395f041f722cb67b0eb6c31013239f58a8b947e60344d15ce0c56e9cb17

        • \Users\Admin\AppData\Local\Temp\u25c.3.exe

          Filesize

          4.6MB

          MD5

          397926927bca55be4a77839b1c44de6e

          SHA1

          e10f3434ef3021c399dbba047832f02b3c898dbd

          SHA256

          4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

          SHA512

          cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

        • memory/968-277-0x0000000000FA0000-0x0000000000FAC000-memory.dmp

          Filesize

          48KB

        • memory/968-254-0x000000001F020000-0x000000001F130000-memory.dmp

          Filesize

          1.1MB

        • memory/968-269-0x0000000020140000-0x0000000020440000-memory.dmp

          Filesize

          3.0MB

        • memory/968-265-0x0000000000570000-0x000000000057A000-memory.dmp

          Filesize

          40KB

        • memory/968-284-0x0000000000BA0000-0x0000000000BAA000-memory.dmp

          Filesize

          40KB

        • memory/968-283-0x0000000000BA0000-0x0000000000BAA000-memory.dmp

          Filesize

          40KB

        • memory/968-274-0x0000000000F80000-0x0000000000FA2000-memory.dmp

          Filesize

          136KB

        • memory/968-273-0x0000000000F70000-0x0000000000F7A000-memory.dmp

          Filesize

          40KB

        • memory/968-264-0x0000000000C80000-0x0000000000CE2000-memory.dmp

          Filesize

          392KB

        • memory/968-271-0x0000000000BA0000-0x0000000000BAA000-memory.dmp

          Filesize

          40KB

        • memory/968-262-0x000000001EA30000-0x000000001EAE2000-memory.dmp

          Filesize

          712KB

        • memory/968-263-0x000000001EBA0000-0x000000001EC1A000-memory.dmp

          Filesize

          488KB

        • memory/968-253-0x0000000000FF0000-0x00000000048E8000-memory.dmp

          Filesize

          57.0MB

        • memory/968-272-0x0000000000BA0000-0x0000000000BAA000-memory.dmp

          Filesize

          40KB

        • memory/968-256-0x0000000000BE0000-0x0000000000BEC000-memory.dmp

          Filesize

          48KB

        • memory/968-255-0x0000000000AA0000-0x0000000000AB0000-memory.dmp

          Filesize

          64KB

        • memory/968-257-0x0000000000BD0000-0x0000000000BE4000-memory.dmp

          Filesize

          80KB

        • memory/968-258-0x0000000000FD0000-0x0000000000FF4000-memory.dmp

          Filesize

          144KB

        • memory/968-260-0x000000001E0A0000-0x000000001E0AA000-memory.dmp

          Filesize

          40KB

        • memory/968-261-0x000000001E640000-0x000000001E66A000-memory.dmp

          Filesize

          168KB

        • memory/1464-136-0x0000000077B80000-0x0000000077D29000-memory.dmp

          Filesize

          1.7MB

        • memory/1464-192-0x0000000074700000-0x0000000074874000-memory.dmp

          Filesize

          1.5MB

        • memory/1464-135-0x0000000074700000-0x0000000074874000-memory.dmp

          Filesize

          1.5MB

        • memory/2040-206-0x0000000077B80000-0x0000000077D29000-memory.dmp

          Filesize

          1.7MB

        • memory/2040-286-0x0000000074700000-0x0000000074874000-memory.dmp

          Filesize

          1.5MB

        • memory/2176-252-0x0000000000400000-0x00000000008AD000-memory.dmp

          Filesize

          4.7MB

        • memory/2556-21-0x00000000001B0000-0x00000000001D7000-memory.dmp

          Filesize

          156KB

        • memory/2556-166-0x0000000000400000-0x000000000083A000-memory.dmp

          Filesize

          4.2MB

        • memory/2556-326-0x0000000000400000-0x000000000083A000-memory.dmp

          Filesize

          4.2MB

        • memory/2556-20-0x0000000000290000-0x0000000000390000-memory.dmp

          Filesize

          1024KB

        • memory/2556-279-0x0000000000290000-0x0000000000390000-memory.dmp

          Filesize

          1024KB

        • memory/2556-278-0x0000000000400000-0x000000000083A000-memory.dmp

          Filesize

          4.2MB

        • memory/2556-22-0x0000000000400000-0x000000000083A000-memory.dmp

          Filesize

          4.2MB

        • memory/2556-23-0x0000000061E00000-0x0000000061EF3000-memory.dmp

          Filesize

          972KB

        • memory/2632-323-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

          Filesize

          4KB

        • memory/2632-324-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

          Filesize

          4KB

        • memory/2632-322-0x0000000072FB0000-0x0000000074012000-memory.dmp

          Filesize

          16.4MB

        • memory/2632-327-0x0000000000400000-0x00000000004C6000-memory.dmp

          Filesize

          792KB

        • memory/2784-142-0x0000000000400000-0x0000000001A3C000-memory.dmp

          Filesize

          22.2MB

        • memory/2784-161-0x0000000001B60000-0x0000000001C60000-memory.dmp

          Filesize

          1024KB

        • memory/2784-3-0x0000000000230000-0x000000000029D000-memory.dmp

          Filesize

          436KB

        • memory/2784-1-0x0000000001B60000-0x0000000001C60000-memory.dmp

          Filesize

          1024KB

        • memory/2784-160-0x0000000000400000-0x0000000001A3C000-memory.dmp

          Filesize

          22.2MB

        • memory/2784-2-0x0000000000400000-0x0000000001A3C000-memory.dmp

          Filesize

          22.2MB