Analysis Overview
SHA256
6e39cc4bf7d911b9b6b47d0ca860df4b405386a8232943cd9e4a7f03d2027c0c
Threat Level: Known bad
The file t.png.ps1 was found to be: Known bad.
Malicious Activity Summary
AsyncRat
Async RAT payload
Checks computer location settings
Drops file in System32 directory
Suspicious use of SetThreadContext
Enumerates physical storage devices
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-05-01 08:22
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-05-01 08:22
Reported
2023-05-01 08:24
Platform
win7-20230220-en
Max time kernel
141s
Max time network
34s
Command Line
Signatures
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 |
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\schtasks.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 |
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\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\t.png.ps1
C:\Windows\system32\schtasks.exe
"C:\Windows\system32\schtasks.exe" /create /sc minute /mo 2 /tn PDF /tr C:\ProgramData\PDF\PDF.vbs
C:\Windows\system32\taskeng.exe
taskeng.exe {5D951316-2387-4D9B-90B7-32DB88488FC1} S-1-5-21-3499517378-2376672570-1134980332-1000:MLXLFKOI\Admin:Interactive:[1]
C:\Windows\System32\WScript.exe
C:\Windows\System32\WScript.exe "C:\ProgramData\PDF\PDF.vbs"
C:\Windows\System32\cmd.exe
cmd /c ""C:\ProgramData\PDF\1.bat" "
C:\Windows\system32\cmd.exe
CMD /C powershell -NOP -WIND HIDDEN -eXEC BYPASS -NONI "C:\ProgramData\PDF\PDF.ps1"
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -NOP -WIND HIDDEN -eXEC BYPASS -NONI "C:\ProgramData\PDF\PDF.ps1"
Network
Files
memory/1432-58-0x000000001B130000-0x000000001B412000-memory.dmp
memory/1432-59-0x0000000002360000-0x0000000002368000-memory.dmp
memory/1432-60-0x0000000002640000-0x00000000026C0000-memory.dmp
memory/1432-61-0x0000000002640000-0x00000000026C0000-memory.dmp
memory/1432-62-0x0000000002640000-0x00000000026C0000-memory.dmp
memory/1432-63-0x0000000002640000-0x00000000026C0000-memory.dmp
C:\ProgramData\PDF\PDF.vbs
| MD5 | 30e4773314799aa0e1fd7761cae6e609 |
| SHA1 | d1b5a371a7555e99a7602ae6ee8028ac0f0462c4 |
| SHA256 | dc592583d072f325b7a0a54d53499f32ef95c731344cc10400f0bb03e7db4720 |
| SHA512 | fcbeca634cb6fe2d0ea4f726f09b4a35917615467a562e9d73cd235cd337bb797fb6a996f0569e83f4f858c0226b84fbd2d0721bea47d1039e5ffe6ebca0bb8d |
C:\ProgramData\PDF\1.bat
| MD5 | a7f20549327da521bf176b6faa76e623 |
| SHA1 | b9b22202b9d3d43ffa6cbf2f3f81dc7f5b06c605 |
| SHA256 | a2099940d9f7f9a0a603a5a36ef2b24eef49f2cb428539949a6d75261faaba46 |
| SHA512 | 5cac6f996aa1bb4dd11a39d3001da243c6f020bc1a3d86a36ec773d45e479514b006e3b3d8782b1eaab628d0fefdb987495308b9c88f38667f875179771f4823 |
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
| MD5 | 8cff7d5d16065ca3ac15b9c4dc380c81 |
| SHA1 | c229c43ad8dbf6c3052d882709b7c9c94c23b43b |
| SHA256 | f46a56882546fb89e822aa24665a6534adde40790ff594cefb2cd30e027d2319 |
| SHA512 | b887d1440c34255bd71f583fc74a7db9d8159d2b211a67b9228e125826f830b7e024c87ec9e2b9a223955bd8499fedcac4556d515df7121b2588c91d4b1c170e |
memory/904-76-0x000000001B230000-0x000000001B512000-memory.dmp
memory/904-77-0x0000000001ED0000-0x0000000001ED8000-memory.dmp
C:\ProgramData\PDF\PDF.ps1
| MD5 | ee39cd0d14321044da4e3e548392983c |
| SHA1 | 4f04ebde6c0d04a5837bc81d062d7b14f7738168 |
| SHA256 | 86f1d81d4d4f866442b384394e35d1a8058bbe843cc0d8896b1655d3ab3cf886 |
| SHA512 | bd2817d4ef8367a0c2f7dfc838aef559c16a703d95f887b053da3bde95f4ab709cbbfde2b22c829d9dccb52abb8a708868a0f327031eeae9584764d3fc3a7ad4 |
memory/904-79-0x00000000024F0000-0x0000000002570000-memory.dmp
memory/904-80-0x00000000024F0000-0x0000000002570000-memory.dmp
memory/904-81-0x00000000024F0000-0x0000000002570000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-05-01 08:22
Reported
2023-05-01 08:24
Platform
win10v2004-20230220-en
Max time kernel
149s
Max time network
152s
Command Line
Signatures
AsyncRat
Async RAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation | C:\Windows\System32\WScript.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4820 set thread context of 4904 | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\schtasks.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\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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 |
| 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\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\t.png.ps1
C:\Windows\system32\schtasks.exe
"C:\Windows\system32\schtasks.exe" /create /sc minute /mo 2 /tn PDF /tr C:\ProgramData\PDF\PDF.vbs
C:\Windows\System32\WScript.exe
C:\Windows\System32\WScript.exe "C:\ProgramData\PDF\PDF.vbs"
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\ProgramData\PDF\1.bat" "
C:\Windows\system32\cmd.exe
CMD /C powershell -NOP -WIND HIDDEN -eXEC BYPASS -NONI "C:\ProgramData\PDF\PDF.ps1"
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -NOP -WIND HIDDEN -eXEC BYPASS -NONI "C:\ProgramData\PDF\PDF.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 |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 76.38.195.152.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 40.77.2.164:443 | tcp | |
| US | 93.184.220.29:80 | tcp | |
| NL | 8.238.21.126:80 | tcp | |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.36.159.162.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 63.13.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| NL | 8.238.21.126:80 | tcp | |
| NL | 8.238.21.126:80 | tcp | |
| US | 93.184.220.29:80 | tcp | |
| US | 131.253.33.203:80 | tcp | |
| NL | 173.223.113.164:443 | tcp | |
| US | 8.8.8.8:53 | 254.166.241.8.in-addr.arpa | udp |
| NL | 173.223.113.131:80 | tcp | |
| US | 131.253.33.203:80 | tcp | |
| US | 8.8.8.8:53 | ghoss.freeddns.org | udp |
| DE | 85.215.205.213:7707 | ghoss.freeddns.org | tcp |
| US | 8.8.8.8:53 | 213.205.215.85.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ijqlpwtn.3xz.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/2872-133-0x000001C22C360000-0x000001C22C382000-memory.dmp
memory/2872-139-0x000001C2447D0000-0x000001C2447E0000-memory.dmp
memory/2872-140-0x000001C2447D0000-0x000001C2447E0000-memory.dmp
memory/2872-145-0x000001C2447D0000-0x000001C2447E0000-memory.dmp
memory/2872-150-0x000001C2447D0000-0x000001C2447E0000-memory.dmp
memory/2872-151-0x000001C2447D0000-0x000001C2447E0000-memory.dmp
memory/2872-152-0x000001C2447D0000-0x000001C2447E0000-memory.dmp
C:\ProgramData\PDF\PDF.vbs
| MD5 | 30e4773314799aa0e1fd7761cae6e609 |
| SHA1 | d1b5a371a7555e99a7602ae6ee8028ac0f0462c4 |
| SHA256 | dc592583d072f325b7a0a54d53499f32ef95c731344cc10400f0bb03e7db4720 |
| SHA512 | fcbeca634cb6fe2d0ea4f726f09b4a35917615467a562e9d73cd235cd337bb797fb6a996f0569e83f4f858c0226b84fbd2d0721bea47d1039e5ffe6ebca0bb8d |
C:\ProgramData\PDF\1.bat
| MD5 | a7f20549327da521bf176b6faa76e623 |
| SHA1 | b9b22202b9d3d43ffa6cbf2f3f81dc7f5b06c605 |
| SHA256 | a2099940d9f7f9a0a603a5a36ef2b24eef49f2cb428539949a6d75261faaba46 |
| SHA512 | 5cac6f996aa1bb4dd11a39d3001da243c6f020bc1a3d86a36ec773d45e479514b006e3b3d8782b1eaab628d0fefdb987495308b9c88f38667f875179771f4823 |
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
| MD5 | 223bd4ae02766ddc32e6145fd1a29301 |
| SHA1 | 900cfd6526d7e33fb4039a1cc2790ea049bc2c5b |
| SHA256 | 1022ec2fed08ff473817fc53893e192a8e33e6a16f3d2c8cb6fd37f49c938e1e |
| SHA512 | 648cd3f8a89a18128d2b1bf960835e087a74cdbc783dbfcc712b3cb9e3a2e4f715e534ba2ef81d89af8f60d4882f6859373248c875ceb26ad0922e891f2e74cc |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | 125a95fa1b56f62f7a206cb157cb0eda |
| SHA1 | e7b35f31668ca67d1c957efda8a68082ad07bafd |
| SHA256 | 518ee0be1514006ae867187f62aef67134886dc039f637f29d5b9b7b53c216d6 |
| SHA512 | 9febf31f02a5b80ba3cef08c6801bc38202e4b881122eaed29a6b9882c7dc4f62e9415377262e8080f83c9017938397e6d0e6b5166997538ef42e44c5bbd6e1e |
memory/4820-169-0x000001A6A7CA0000-0x000001A6A7CB0000-memory.dmp
memory/4820-170-0x000001A6A7CA0000-0x000001A6A7CB0000-memory.dmp
memory/4820-171-0x000001A6A7CA0000-0x000001A6A7CB0000-memory.dmp
C:\ProgramData\PDF\PDF.ps1
| MD5 | ee39cd0d14321044da4e3e548392983c |
| SHA1 | 4f04ebde6c0d04a5837bc81d062d7b14f7738168 |
| SHA256 | 86f1d81d4d4f866442b384394e35d1a8058bbe843cc0d8896b1655d3ab3cf886 |
| SHA512 | bd2817d4ef8367a0c2f7dfc838aef559c16a703d95f887b053da3bde95f4ab709cbbfde2b22c829d9dccb52abb8a708868a0f327031eeae9584764d3fc3a7ad4 |
memory/4904-173-0x0000000000400000-0x0000000000416000-memory.dmp
memory/4820-175-0x000001A6A8930000-0x000001A6A8B4C000-memory.dmp
memory/4904-176-0x0000000004F80000-0x0000000004F90000-memory.dmp
memory/4904-177-0x0000000005980000-0x0000000005F24000-memory.dmp
memory/4904-178-0x00000000055D0000-0x0000000005662000-memory.dmp
memory/4904-179-0x0000000006110000-0x00000000061AC000-memory.dmp
memory/4904-180-0x0000000006070000-0x00000000060D6000-memory.dmp
memory/4904-181-0x00000000060E0000-0x00000000060EA000-memory.dmp
memory/4904-182-0x0000000004F80000-0x0000000004F90000-memory.dmp