Analysis

  • max time kernel
    118s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    29-04-2024 01:25

General

  • Target

    850b58f504324b3aec9b262ae4224cee37f731f90b30bdf0b0ee0f9a46d6964d.exe

  • Size

    452KB

  • MD5

    4c27395437d1880531cb727194221bb8

  • SHA1

    4161da11bf2da8ed83b721ee1d72ea9c3a0e0d9f

  • SHA256

    850b58f504324b3aec9b262ae4224cee37f731f90b30bdf0b0ee0f9a46d6964d

  • SHA512

    f62b1f7b0b1b4cb17b11973e601dcb58227911a6b52d9c34a3edb4ef7b0349dc35835df570d0b9534a379cd1fb41b198eb9432c73c6354dea13e8dbcee30e22e

  • SSDEEP

    6144:rOrXOdV6MDOrctj6AwnV3NPYvEmAYc42VBPg1BwnFo7s4lB:rGO0r5AwlqvExYh0g1MKI4lB

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.150

Attributes
  • url_path

    /c698e1bc8a2f5e6d.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. 3 IoCs
  • Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs. 3 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 17 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 11 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 2 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\850b58f504324b3aec9b262ae4224cee37f731f90b30bdf0b0ee0f9a46d6964d.exe
    "C:\Users\Admin\AppData\Local\Temp\850b58f504324b3aec9b262ae4224cee37f731f90b30bdf0b0ee0f9a46d6964d.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2876
    • C:\Users\Admin\AppData\Local\Temp\u27w.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u27w.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:2564
    • C:\Users\Admin\AppData\Local\Temp\u27w.2\run.exe
      "C:\Users\Admin\AppData\Local\Temp\u27w.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:2696
      • 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:2344
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:2408
    • C:\Users\Admin\AppData\Local\Temp\u27w.3.exe
      "C:\Users\Admin\AppData\Local\Temp\u27w.3.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1252
      • 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:876

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\ApplicationInsights\81950f7e7cbd108086cf2da3a401afdfffc60d9b485aac5dd52f7a137c00f950\66b06771bf6f430ca3b0a49e25ae9576.tmp

    Filesize

    1KB

    MD5

    d8984740d686763e5f2aceffb7a2d6f9

    SHA1

    bcad98f168abf16ae37ec608605d139591940822

    SHA256

    462ca601141bb6632e3310a0a90abf49a34d7e5b551039b7803e633dc05a09f3

    SHA512

    d09b164bdbff9253dcf250d56e385e58efb2876cb30adb0e7b14a3db47f240741e3dcac0696226ffd7fb97e0ddea7732b397afe11c7f1692c5676a655ad9fd99

  • C:\Users\Admin\AppData\Local\Temp\1e36c348

    Filesize

    1.4MB

    MD5

    b03250df6118d0e6c80f4b61c0d2118e

    SHA1

    d873fd458f7ccba7e31cf2f5d04a5bb786de20f3

    SHA256

    aeb6d73ca2eefdac312a466a380cbd025112a49993e8bffdb7e34aa295f9f11e

    SHA512

    bff97d58c2715fc7532013c9cc965745e6b74cad126fef7c94d123d273c734cf5f1806564afdc4c8b2ce9a80940febab15e190de4c7456d7454cf886ed17284b

  • C:\Users\Admin\AppData\Local\Temp\U27W1~1.ZIP

    Filesize

    3.7MB

    MD5

    78d3ca6355c93c72b494bb6a498bf639

    SHA1

    2fa4e5df74bfe75c207c881a1b0d3bc1c62c8b0e

    SHA256

    a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001

    SHA512

    1b2df7bee2514aee7efd3579f5dd33c76b40606d07dba69a34c45747662fad61174db4931bca02b058830107959205e889fee74f8ccc9f6e03f9fd111761f4ea

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

    Filesize

    2KB

    MD5

    31edd1c48e37d3e8af7d61de5c25351c

    SHA1

    8e18bb1ddd40fa999755d5c529118784844a3aec

    SHA256

    00e4c64e139e128bcd77b3f531f4fe46b80d592d00c9315a1e628681a5abc887

    SHA512

    962d6960010d03d9f1b425cef92551c25ef15073b170f9a5e0c238dfee0a3c9a711a723ed2dbf4a74e9a480d69e382cf02dd401c85c95a0b3577189e34825b41

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

    Filesize

    3KB

    MD5

    66660158db17d99d07f352739c131b35

    SHA1

    fcf926c6bfb83fed0ce37595d1591e72fa8bd161

    SHA256

    c75c28c5f56f62d18ebababce244316b04b0d816012af22d4830f17c886c36cd

    SHA512

    5cacfb595907280fdab7bc0a76a7d41e65f229dba42c5ff0fe6779cc1268efcf6ddcc92693151189d3dade197f127f7e760435020f10d4513ab32a1e62736f01

  • C:\Users\Admin\AppData\Local\Temp\tmp3821.tmp

    Filesize

    20KB

    MD5

    c9ff7748d8fcef4cf84a5501e996a641

    SHA1

    02867e5010f62f97ebb0cfb32cb3ede9449fe0c9

    SHA256

    4d3f3194cb1133437aa69bb880c8cbb55ddf06ff61a88ca6c3f1bbfbfd35d988

    SHA512

    d36054499869a8f56ac8547ccd5455f1252c24e17d2b185955390b32da7e2a732ace4e0f30f9493fcc61425a2e31ed623465f998f41af69423ee0e3ed1483a73

  • C:\Users\Admin\AppData\Local\Temp\u27w.2\UIxMarketPlugin.dll

    Filesize

    1.6MB

    MD5

    d1ba9412e78bfc98074c5d724a1a87d6

    SHA1

    0572f98d78fb0b366b5a086c2a74cc68b771d368

    SHA256

    cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15

    SHA512

    8765de36d3824b12c0a4478c31b985878d4811bd0e5b6fba4ea07f8c76340bd66a2da3490d4871b95d9a12f96efc25507dfd87f431de211664dbe9a9c914af6f

  • C:\Users\Admin\AppData\Local\Temp\u27w.2\bunch.dat

    Filesize

    1.3MB

    MD5

    1e8237d3028ab52821d69099e0954f97

    SHA1

    30a6ae353adda0c471c6ed5b7a2458b07185abf2

    SHA256

    9387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742

    SHA512

    a6406d7c18694ee014d59df581f1f76e980b68e3361ae680dc979606a423eba48d35e37f143154dd97fe5f066baf0ea51a2e9f8bc822d593e1cba70ead6559f3

  • C:\Users\Admin\AppData\Local\Temp\u27w.2\relay.dll

    Filesize

    1.5MB

    MD5

    10d51becd0bbce0fab147ff9658c565e

    SHA1

    4689a18112ff876d3c066bc8c14a08fd6b7b7a4a

    SHA256

    7b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed

    SHA512

    29faf493bb28f7842c905adc5312f31741effb09f841059b53d73b22aea2c4d41d73db10bbf37703d6aeb936ffacbc756a3cc85ba3c0b6a6863ef4d27fefcd29

  • C:\Users\Admin\AppData\Local\Temp\u27w.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\u27w.0.exe

    Filesize

    302KB

    MD5

    fff0b72b805f8622530d454d3ffe4e40

    SHA1

    57900c51fdd51436d554e81c7febb9d202e1eb8b

    SHA256

    c032e2b1c04b5e2b9bc3ae439e75b993d1e3e03163ac6e589a50cec3745fec7e

    SHA512

    787eeb8e1184643711ab5a95adb297d9f35c49ad45b81cfe3e4c615067e7de0aea72bdcc452fe6bd9b4f9aebab63e4f5e03437f26dda24b39cddb834e4f65c42

  • \Users\Admin\AppData\Local\Temp\u27w.2\run.exe

    Filesize

    2.4MB

    MD5

    9fb4770ced09aae3b437c1c6eb6d7334

    SHA1

    fe54b31b0db8665aa5b22bed147e8295afc88a03

    SHA256

    a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3

    SHA512

    140fee6daf23fe8b7e441b3b4de83554af804f00ecedc421907a385ac79a63164bd9f28b4be061c2ea2262755d85e14d3a8e7dc910547837b664d78d93667256

  • \Users\Admin\AppData\Local\Temp\u27w.3.exe

    Filesize

    4.6MB

    MD5

    397926927bca55be4a77839b1c44de6e

    SHA1

    e10f3434ef3021c399dbba047832f02b3c898dbd

    SHA256

    4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

    SHA512

    cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

  • memory/876-301-0x0000000005860000-0x00000000058C2000-memory.dmp

    Filesize

    392KB

  • memory/876-308-0x0000000000490000-0x000000000049A000-memory.dmp

    Filesize

    40KB

  • memory/876-322-0x0000000000490000-0x000000000049A000-memory.dmp

    Filesize

    40KB

  • memory/876-323-0x0000000000490000-0x000000000049A000-memory.dmp

    Filesize

    40KB

  • memory/876-313-0x00000000009C0000-0x00000000009CC000-memory.dmp

    Filesize

    48KB

  • memory/876-310-0x00000000058C0000-0x00000000058E2000-memory.dmp

    Filesize

    136KB

  • memory/876-309-0x00000000009A0000-0x00000000009AA000-memory.dmp

    Filesize

    40KB

  • memory/876-306-0x000000001FA70000-0x000000001FD70000-memory.dmp

    Filesize

    3.0MB

  • memory/876-302-0x0000000000470000-0x000000000047A000-memory.dmp

    Filesize

    40KB

  • memory/876-299-0x000000001EE60000-0x000000001EEDA000-memory.dmp

    Filesize

    488KB

  • memory/876-298-0x000000001EA10000-0x000000001EAC2000-memory.dmp

    Filesize

    712KB

  • memory/876-297-0x000000001E2E0000-0x000000001E30A000-memory.dmp

    Filesize

    168KB

  • memory/876-287-0x00000000009D0000-0x00000000042C8000-memory.dmp

    Filesize

    57.0MB

  • memory/876-296-0x00000000009B0000-0x00000000009BA000-memory.dmp

    Filesize

    40KB

  • memory/876-295-0x00000000058F0000-0x0000000005914000-memory.dmp

    Filesize

    144KB

  • memory/876-291-0x000000001F040000-0x000000001F150000-memory.dmp

    Filesize

    1.1MB

  • memory/876-292-0x00000000004A0000-0x00000000004B0000-memory.dmp

    Filesize

    64KB

  • memory/876-293-0x00000000006D0000-0x00000000006DC000-memory.dmp

    Filesize

    48KB

  • memory/876-294-0x00000000006C0000-0x00000000006D4000-memory.dmp

    Filesize

    80KB

  • memory/1252-286-0x0000000000400000-0x00000000008AD000-memory.dmp

    Filesize

    4.7MB

  • memory/1252-283-0x0000000000400000-0x00000000008AD000-memory.dmp

    Filesize

    4.7MB

  • memory/2344-300-0x0000000073CB0000-0x0000000073E24000-memory.dmp

    Filesize

    1.5MB

  • memory/2344-220-0x0000000077130000-0x00000000772D9000-memory.dmp

    Filesize

    1.7MB

  • memory/2408-315-0x00000000725B0000-0x0000000073612000-memory.dmp

    Filesize

    16.4MB

  • memory/2408-321-0x0000000000400000-0x00000000004C6000-memory.dmp

    Filesize

    792KB

  • memory/2408-317-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/2408-316-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/2564-290-0x0000000000400000-0x0000000001A17000-memory.dmp

    Filesize

    22.1MB

  • memory/2564-288-0x0000000000400000-0x0000000001A17000-memory.dmp

    Filesize

    22.1MB

  • memory/2564-215-0x0000000000400000-0x0000000001A17000-memory.dmp

    Filesize

    22.1MB

  • memory/2564-23-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/2696-212-0x0000000073CB0000-0x0000000073E24000-memory.dmp

    Filesize

    1.5MB

  • memory/2696-143-0x0000000073CB0000-0x0000000073E24000-memory.dmp

    Filesize

    1.5MB

  • memory/2696-147-0x0000000077130000-0x00000000772D9000-memory.dmp

    Filesize

    1.7MB

  • memory/2876-180-0x0000000000230000-0x000000000029D000-memory.dmp

    Filesize

    436KB

  • memory/2876-2-0x0000000000230000-0x000000000029D000-memory.dmp

    Filesize

    436KB

  • memory/2876-181-0x0000000000400000-0x0000000001A3C000-memory.dmp

    Filesize

    22.2MB

  • memory/2876-179-0x0000000001C00000-0x0000000001D00000-memory.dmp

    Filesize

    1024KB

  • memory/2876-3-0x0000000000400000-0x0000000001A3C000-memory.dmp

    Filesize

    22.2MB

  • memory/2876-1-0x0000000001C00000-0x0000000001D00000-memory.dmp

    Filesize

    1024KB