Analysis

  • max time kernel
    136s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    29-04-2024 13:17

General

  • Target

    5d6d53a17cc6353122821720b9ac9448.exe

  • Size

    347KB

  • MD5

    5d6d53a17cc6353122821720b9ac9448

  • SHA1

    e7059b9e18666f6d96db236ecac9368409ad9804

  • SHA256

    e9b423763e91fd2058569ee5e50b153b48e5efa5fb5085c73c4af02f021d5f09

  • SHA512

    3dadb3f70ae991ecf16da0d33c1615e285ce088dca9e9011a2fa8909c402ed5eb026c85cc0a1d60ba98f9420d17fdbb54d11bd14f8a47af929920710c8b90508

  • SSDEEP

    6144:B0zWKrKBpVw9PVu+AJdTvClKgvkWJG1HYcVABLulAGeJf:ukfw9PqduMVW41HnWlqreJf

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#.

  • 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\5d6d53a17cc6353122821720b9ac9448.exe
    "C:\Users\Admin\AppData\Local\Temp\5d6d53a17cc6353122821720b9ac9448.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2328
    • C:\Users\Admin\AppData\Local\Temp\u1so.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u1so.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:2312
    • C:\Users\Admin\AppData\Local\Temp\u1so.2\run.exe
      "C:\Users\Admin\AppData\Local\Temp\u1so.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:1580
      • 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:3048
        • 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:2612
    • C:\Users\Admin\AppData\Local\Temp\u1so.3.exe
      "C:\Users\Admin\AppData\Local\Temp\u1so.3.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:888
      • 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:2068

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\ApplicationInsights\252e99e709753c2ab04b66e213ab7d72cfdb494a7016e07d23bc17fe7cebab94\f878984d3b4a46aa98fc84c098cd4302.tmp

    Filesize

    1KB

    MD5

    963a0c6d29d00dd93093bc76d7132eeb

    SHA1

    ac0d55c61fe59ce5e59f04adac70168f2f00dd7b

    SHA256

    064dd7b3acafefcb7794ca37473a63053b702165e5b6488f7196c7ca059b6565

    SHA512

    6ddfb923b03d7fb2b62c21f006da92c9c7337f435edf0e9ac1383021fe4d11f38010cbfab164ed9fcd705f1341662783c644f6e2b597d7de2a54e608bcf202df

  • C:\Users\Admin\AppData\Local\Temp\U1SO1~1.ZIP

    Filesize

    3.7MB

    MD5

    78d3ca6355c93c72b494bb6a498bf639

    SHA1

    2fa4e5df74bfe75c207c881a1b0d3bc1c62c8b0e

    SHA256

    a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001

    SHA512

    1b2df7bee2514aee7efd3579f5dd33c76b40606d07dba69a34c45747662fad61174db4931bca02b058830107959205e889fee74f8ccc9f6e03f9fd111761f4ea

  • C:\Users\Admin\AppData\Local\Temp\c6db5212

    Filesize

    1.4MB

    MD5

    7afb3b5fea28a39891c3a193cd4662cd

    SHA1

    80b882ea3bc38bacd860acc90b2876be493c7ee7

    SHA256

    530e8cabd55b96bac1f009f6560befb071853d9ca5ed987d5315fff2bc12c4a4

    SHA512

    6145583205ef499beafa8004a98d14595ad07ad9b7f0536319504b57cb78dcd4621b584a79c5a84f2b21343656f2610acbc7ecc7a0815b1fb4b31123fcf82e3a

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

    Filesize

    2KB

    MD5

    1a0c1e75666e69e20baed2b5c8c167cb

    SHA1

    763a6a7f7212dc0a9ed1a479f559003271debb1f

    SHA256

    2228bb9e3d143736a28df30dad25051d66981b00f1e3d1610076e44276805496

    SHA512

    e1dc59e13bbe360978069160eb413c1d19feea7966ca6c5cc51eec71e9929cef2ffb4b574c3cf9dfb0de4f12cf1115d52f978ea33e95f24c7f91debd8f83481e

  • C:\Users\Admin\AppData\Local\Temp\tmpA18E.tmp

    Filesize

    20KB

    MD5

    c9ff7748d8fcef4cf84a5501e996a641

    SHA1

    02867e5010f62f97ebb0cfb32cb3ede9449fe0c9

    SHA256

    4d3f3194cb1133437aa69bb880c8cbb55ddf06ff61a88ca6c3f1bbfbfd35d988

    SHA512

    d36054499869a8f56ac8547ccd5455f1252c24e17d2b185955390b32da7e2a732ace4e0f30f9493fcc61425a2e31ed623465f998f41af69423ee0e3ed1483a73

  • C:\Users\Admin\AppData\Local\Temp\u1so.2\UIxMarketPlugin.dll

    Filesize

    1.6MB

    MD5

    d1ba9412e78bfc98074c5d724a1a87d6

    SHA1

    0572f98d78fb0b366b5a086c2a74cc68b771d368

    SHA256

    cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15

    SHA512

    8765de36d3824b12c0a4478c31b985878d4811bd0e5b6fba4ea07f8c76340bd66a2da3490d4871b95d9a12f96efc25507dfd87f431de211664dbe9a9c914af6f

  • C:\Users\Admin\AppData\Local\Temp\u1so.2\bunch.dat

    Filesize

    1.3MB

    MD5

    1e8237d3028ab52821d69099e0954f97

    SHA1

    30a6ae353adda0c471c6ed5b7a2458b07185abf2

    SHA256

    9387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742

    SHA512

    a6406d7c18694ee014d59df581f1f76e980b68e3361ae680dc979606a423eba48d35e37f143154dd97fe5f066baf0ea51a2e9f8bc822d593e1cba70ead6559f3

  • C:\Users\Admin\AppData\Local\Temp\u1so.2\relay.dll

    Filesize

    1.5MB

    MD5

    10d51becd0bbce0fab147ff9658c565e

    SHA1

    4689a18112ff876d3c066bc8c14a08fd6b7b7a4a

    SHA256

    7b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed

    SHA512

    29faf493bb28f7842c905adc5312f31741effb09f841059b53d73b22aea2c4d41d73db10bbf37703d6aeb936ffacbc756a3cc85ba3c0b6a6863ef4d27fefcd29

  • C:\Users\Admin\AppData\Local\Temp\u1so.2\run.exe

    Filesize

    2.4MB

    MD5

    9fb4770ced09aae3b437c1c6eb6d7334

    SHA1

    fe54b31b0db8665aa5b22bed147e8295afc88a03

    SHA256

    a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3

    SHA512

    140fee6daf23fe8b7e441b3b4de83554af804f00ecedc421907a385ac79a63164bd9f28b4be061c2ea2262755d85e14d3a8e7dc910547837b664d78d93667256

  • C:\Users\Admin\AppData\Local\Temp\u1so.2\whale.dbf

    Filesize

    85KB

    MD5

    a723bf46048e0bfb15b8d77d7a648c3e

    SHA1

    8952d3c34e9341e4425571e10f22b782695bb915

    SHA256

    b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422

    SHA512

    ca8ea2f7f3c7af21b5673a0a3f2611b6580a7ed02efa2cfd8b343eb644ff09682bde43b25ef7aab68530d5ce31dcbd252c382dd336ecb610d4c4ebde78347273

  • C:\Users\Admin\AppData\Local\Temp\u1so.3.exe

    Filesize

    4.6MB

    MD5

    397926927bca55be4a77839b1c44de6e

    SHA1

    e10f3434ef3021c399dbba047832f02b3c898dbd

    SHA256

    4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

    SHA512

    cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

  • \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\u1so.0.exe

    Filesize

    203KB

    MD5

    de27ea39c6c4f2563cc5222624896ce9

    SHA1

    c75141c90fc10c1587fc978efbc8b3cf229a3046

    SHA256

    49367aa06446dda922e9fff631a7e35bd85555f5e6554d22728d69c543111b82

    SHA512

    9fb6a8376508e4bd3a962bbea980ef864c2d3d4443fddd2e9e96a72b7e802b67a8cc9946e8b3d2cc4a8dd36ec8093a7f50f8d5612a73184cf02da1eb5e78ad3e

  • memory/888-272-0x0000000000400000-0x00000000008AD000-memory.dmp

    Filesize

    4.7MB

  • memory/1580-164-0x0000000073C40000-0x0000000073DB4000-memory.dmp

    Filesize

    1.5MB

  • memory/1580-165-0x0000000076FA0000-0x0000000077149000-memory.dmp

    Filesize

    1.7MB

  • memory/1580-212-0x0000000073C40000-0x0000000073DB4000-memory.dmp

    Filesize

    1.5MB

  • memory/2068-274-0x000000001F230000-0x000000001F340000-memory.dmp

    Filesize

    1.1MB

  • memory/2068-283-0x000000001E080000-0x000000001E0E2000-memory.dmp

    Filesize

    392KB

  • memory/2068-300-0x0000000003D50000-0x0000000003D5A000-memory.dmp

    Filesize

    40KB

  • memory/2068-301-0x0000000003D50000-0x0000000003D5A000-memory.dmp

    Filesize

    40KB

  • memory/2068-296-0x0000000005A00000-0x0000000005A0C000-memory.dmp

    Filesize

    48KB

  • memory/2068-292-0x00000000059F0000-0x00000000059FA000-memory.dmp

    Filesize

    40KB

  • memory/2068-293-0x000000001E4B0000-0x000000001E4D2000-memory.dmp

    Filesize

    136KB

  • memory/2068-273-0x0000000000350000-0x0000000003C48000-memory.dmp

    Filesize

    57.0MB

  • memory/2068-290-0x0000000003D50000-0x0000000003D5A000-memory.dmp

    Filesize

    40KB

  • memory/2068-276-0x0000000004030000-0x000000000403C000-memory.dmp

    Filesize

    48KB

  • memory/2068-275-0x0000000000340000-0x0000000000350000-memory.dmp

    Filesize

    64KB

  • memory/2068-277-0x0000000003EA0000-0x0000000003EB4000-memory.dmp

    Filesize

    80KB

  • memory/2068-278-0x0000000005960000-0x0000000005984000-memory.dmp

    Filesize

    144KB

  • memory/2068-279-0x0000000005990000-0x000000000599A000-memory.dmp

    Filesize

    40KB

  • memory/2068-281-0x000000001E5E0000-0x000000001E692000-memory.dmp

    Filesize

    712KB

  • memory/2068-280-0x00000000059C0000-0x00000000059EA000-memory.dmp

    Filesize

    168KB

  • memory/2068-282-0x000000001EA20000-0x000000001EA9A000-memory.dmp

    Filesize

    488KB

  • memory/2068-291-0x0000000003D50000-0x0000000003D5A000-memory.dmp

    Filesize

    40KB

  • memory/2068-284-0x00000000002E0000-0x00000000002EA000-memory.dmp

    Filesize

    40KB

  • memory/2068-288-0x00000000200A0000-0x00000000203A0000-memory.dmp

    Filesize

    3.0MB

  • memory/2312-20-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/2312-74-0x0000000000400000-0x0000000002AF0000-memory.dmp

    Filesize

    38.9MB

  • memory/2328-188-0x0000000000400000-0x0000000002B15000-memory.dmp

    Filesize

    39.1MB

  • memory/2328-1-0x0000000002F80000-0x0000000003080000-memory.dmp

    Filesize

    1024KB

  • memory/2328-2-0x0000000000230000-0x000000000029D000-memory.dmp

    Filesize

    436KB

  • memory/2328-171-0x0000000000400000-0x0000000002B15000-memory.dmp

    Filesize

    39.1MB

  • memory/2328-187-0x0000000002F80000-0x0000000003080000-memory.dmp

    Filesize

    1024KB

  • memory/2328-3-0x0000000000400000-0x0000000002B15000-memory.dmp

    Filesize

    39.1MB

  • memory/2612-309-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/2612-308-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/2612-307-0x0000000072520000-0x0000000073582000-memory.dmp

    Filesize

    16.4MB

  • memory/2612-312-0x0000000000400000-0x00000000004C6000-memory.dmp

    Filesize

    792KB

  • memory/3048-302-0x0000000073C40000-0x0000000073DB4000-memory.dmp

    Filesize

    1.5MB

  • memory/3048-226-0x0000000076FA0000-0x0000000077149000-memory.dmp

    Filesize

    1.7MB