Analysis Overview
SHA256
305cfdd7d464938cabe66fcf3116df431c10742c775a4a588d38349ea18a7fb6
Threat Level: Known bad
The file BLToolsMod.exe was found to be: Known bad.
Malicious Activity Summary
Detect PureCrypter injector
PureCrypter
Quasar RAT
Quasar payload
RevengeRAT
Downloads MZ/PE file
Executes dropped EXE
Checks computer location settings
Loads dropped DLL
Adds Run key to start application
Looks up external IP address via web service
Suspicious use of SetThreadContext
Program crash
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-02-05 16:15
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-02-05 16:15
Reported
2023-02-05 16:18
Platform
win7-20220901-en
Max time kernel
103s
Max time network
91s
Command Line
Signatures
Detect PureCrypter injector
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
PureCrypter
Quasar RAT
Quasar payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
RevengeRAT
Downloads MZ/PE file
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Updater-File.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\BLToolsMod.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\Driver = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Driver.exe\"" | C:\Users\Admin\AppData\Roaming\Updater-File.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | ip-api.com | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 320 set thread context of 1744 | N/A | C:\Users\Admin\AppData\Roaming\Updater-File.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\BLToolsMod.exe |
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\PING.EXE | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Updater-File.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Updater-File.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\BLToolsMod.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Updater-File.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\BLToolsMod.exe
"C:\Users\Admin\AppData\Local\Temp\BLToolsMod.exe"
C:\Users\Admin\AppData\Roaming\Updater-File.exe
"C:\Users\Admin\AppData\Roaming\Updater-File.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2032 -s 1448
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\llPH3dV70tF2.bat" "
C:\Windows\SysWOW64\chcp.com
chcp 65001
C:\Windows\SysWOW64\PING.EXE
ping -n 10 localhost
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | justnormalsite.ddns.net | udp |
| NL | 185.238.3.212:80 | justnormalsite.ddns.net | tcp |
| NL | 185.238.3.212:80 | justnormalsite.ddns.net | tcp |
| US | 8.8.8.8:53 | ip-api.com | udp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| US | 8.8.8.8:53 | youhackernetpaingodxd.duckdns.org | udp |
| US | 192.3.255.150:5557 | youhackernetpaingodxd.duckdns.org | tcp |
Files
memory/2032-54-0x0000000000390000-0x0000000000454000-memory.dmp
memory/2032-55-0x0000000006EB0000-0x0000000007006000-memory.dmp
memory/2032-56-0x0000000000380000-0x0000000000386000-memory.dmp
memory/2032-57-0x0000000075A71000-0x0000000075A73000-memory.dmp
C:\Users\Admin\AppData\Roaming\Updater-File.exe
| MD5 | be2c9d9f3e9206eb7d809157ea37d0ea |
| SHA1 | 79fc984efb6d9e58c21f7c5dee8de2fc44710f62 |
| SHA256 | f07ca31e483745ac9fe74da53f939a797f3f8868717eb29f9f0d1286b89f6b79 |
| SHA512 | 2510583a2690be0c48614fa21d24c2919d6c4f704d897ed4bb5a523d0bbc3616bd2aba7a6b22120068a24aa756a9b6f37feeb2b8eb461b86c2eacde935478d4b |
memory/320-59-0x0000000000000000-mapping.dmp
memory/320-62-0x0000000000A60000-0x0000000000A68000-memory.dmp
C:\Users\Admin\AppData\Roaming\Updater-File.exe
| MD5 | be2c9d9f3e9206eb7d809157ea37d0ea |
| SHA1 | 79fc984efb6d9e58c21f7c5dee8de2fc44710f62 |
| SHA256 | f07ca31e483745ac9fe74da53f939a797f3f8868717eb29f9f0d1286b89f6b79 |
| SHA512 | 2510583a2690be0c48614fa21d24c2919d6c4f704d897ed4bb5a523d0bbc3616bd2aba7a6b22120068a24aa756a9b6f37feeb2b8eb461b86c2eacde935478d4b |
\Users\Admin\AppData\Roaming\Updater-File.exe
| MD5 | be2c9d9f3e9206eb7d809157ea37d0ea |
| SHA1 | 79fc984efb6d9e58c21f7c5dee8de2fc44710f62 |
| SHA256 | f07ca31e483745ac9fe74da53f939a797f3f8868717eb29f9f0d1286b89f6b79 |
| SHA512 | 2510583a2690be0c48614fa21d24c2919d6c4f704d897ed4bb5a523d0bbc3616bd2aba7a6b22120068a24aa756a9b6f37feeb2b8eb461b86c2eacde935478d4b |
memory/1720-64-0x0000000000000000-mapping.dmp
memory/2032-65-0x0000000000475000-0x0000000000486000-memory.dmp
memory/320-66-0x0000000007170000-0x00000000073DE000-memory.dmp
memory/960-67-0x0000000000000000-mapping.dmp
memory/960-69-0x000000006CB30000-0x000000006D0DB000-memory.dmp
memory/960-70-0x000000006CB30000-0x000000006D0DB000-memory.dmp
memory/960-71-0x000000006CB30000-0x000000006D0DB000-memory.dmp
memory/320-72-0x0000000004EA0000-0x0000000004EFE000-memory.dmp
memory/1744-73-0x0000000000400000-0x000000000044E000-memory.dmp
memory/1744-74-0x0000000000400000-0x000000000044E000-memory.dmp
memory/1744-77-0x0000000000400000-0x000000000044E000-memory.dmp
memory/1744-76-0x0000000000400000-0x000000000044E000-memory.dmp
memory/1744-78-0x0000000000400000-0x000000000044E000-memory.dmp
memory/1744-79-0x00000000004494BE-mapping.dmp
memory/1744-81-0x0000000000400000-0x000000000044E000-memory.dmp
memory/1744-83-0x0000000000400000-0x000000000044E000-memory.dmp
memory/1120-85-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\llPH3dV70tF2.bat
| MD5 | 46a5e159f52adba19d306438a2d5eb72 |
| SHA1 | 821260a538d3771a0ebb11f895697331a96daa35 |
| SHA256 | 100273d3faefb83389d2db3b89aae8dadeb574c74776ade730faf9d9a0239933 |
| SHA512 | 0c42da43a85388d85bf187406145e0336755f94a324e11c45e2730c288a47c74fa5d9bdccdcd31302df1042ccb9e666e3b3d3d5e2767506f499136b50996f7fc |
memory/560-87-0x0000000000000000-mapping.dmp
memory/1868-88-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Roaming\Logs\02-05-~1
| MD5 | fd010ea1b3798c5a0f9fd1494e508383 |
| SHA1 | 340015cc251ac5897f00b945152cc3ca9e28cae3 |
| SHA256 | 39d4c767e2fd899411f963eb23a06f531e7b65c6f2eb02db09dbb116a2dc7fee |
| SHA512 | 39d6d2cfcea4bf213ecb891e382951edd33f1c7722fa1a2051f31628ade3d5cb829864d9c5044cc40ff8363989324096d35ea9261dc9ca12d9b8ac8814d9832a |
Analysis: behavioral2
Detonation Overview
Submitted
2023-02-05 16:15
Reported
2023-02-05 16:18
Platform
win10v2004-20220901-en
Max time kernel
97s
Max time network
149s
Command Line
Signatures
Quasar RAT
Quasar payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Downloads MZ/PE file
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\BLToolsMod.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Roaming\Updater-File.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Updater-File.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Driver = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Driver.exe\"" | C:\Users\Admin\AppData\Roaming\Updater-File.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | ip-api.com | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 5088 set thread context of 4780 | N/A | C:\Users\Admin\AppData\Roaming\Updater-File.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\BLToolsMod.exe |
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\PING.EXE | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\BLToolsMod.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Updater-File.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\BLToolsMod.exe
"C:\Users\Admin\AppData\Local\Temp\BLToolsMod.exe"
C:\Users\Admin\AppData\Roaming\Updater-File.exe
"C:\Users\Admin\AppData\Roaming\Updater-File.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 5036 -ip 5036
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5036 -s 2096
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\iW69HWG2R85y.bat" "
C:\Windows\SysWOW64\chcp.com
chcp 65001
C:\Windows\SysWOW64\PING.EXE
ping -n 10 localhost
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | justnormalsite.ddns.net | udp |
| NL | 185.238.3.212:80 | justnormalsite.ddns.net | tcp |
| NL | 185.238.3.212:80 | justnormalsite.ddns.net | tcp |
| US | 209.197.3.8:80 | tcp | |
| US | 2.18.109.224:443 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 8.8.8.8:53 | ip-api.com | udp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| US | 8.8.8.8:53 | youhackernetpaingodxd.duckdns.org | udp |
| US | 192.3.255.150:5557 | youhackernetpaingodxd.duckdns.org | tcp |
Files
memory/5036-132-0x0000000000340000-0x0000000000404000-memory.dmp
memory/5088-133-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Roaming\Updater-File.exe
| MD5 | be2c9d9f3e9206eb7d809157ea37d0ea |
| SHA1 | 79fc984efb6d9e58c21f7c5dee8de2fc44710f62 |
| SHA256 | f07ca31e483745ac9fe74da53f939a797f3f8868717eb29f9f0d1286b89f6b79 |
| SHA512 | 2510583a2690be0c48614fa21d24c2919d6c4f704d897ed4bb5a523d0bbc3616bd2aba7a6b22120068a24aa756a9b6f37feeb2b8eb461b86c2eacde935478d4b |
C:\Users\Admin\AppData\Roaming\Updater-File.exe
| MD5 | be2c9d9f3e9206eb7d809157ea37d0ea |
| SHA1 | 79fc984efb6d9e58c21f7c5dee8de2fc44710f62 |
| SHA256 | f07ca31e483745ac9fe74da53f939a797f3f8868717eb29f9f0d1286b89f6b79 |
| SHA512 | 2510583a2690be0c48614fa21d24c2919d6c4f704d897ed4bb5a523d0bbc3616bd2aba7a6b22120068a24aa756a9b6f37feeb2b8eb461b86c2eacde935478d4b |
memory/5088-136-0x0000000000DE0000-0x0000000000DE8000-memory.dmp
memory/5088-137-0x00000000069C0000-0x00000000069E2000-memory.dmp
memory/4512-138-0x0000000000000000-mapping.dmp
memory/4512-139-0x0000000002AA0000-0x0000000002AD6000-memory.dmp
memory/4512-140-0x00000000051D0000-0x00000000057F8000-memory.dmp
memory/4512-141-0x00000000059A0000-0x0000000005A06000-memory.dmp
memory/4512-142-0x0000000005A10000-0x0000000005A76000-memory.dmp
memory/4512-143-0x0000000006080000-0x000000000609E000-memory.dmp
memory/4512-145-0x0000000006570000-0x000000000658A000-memory.dmp
memory/4512-144-0x00000000078D0000-0x0000000007F4A000-memory.dmp
memory/4780-147-0x0000000000400000-0x000000000044E000-memory.dmp
memory/4780-146-0x0000000000000000-mapping.dmp
memory/4780-148-0x00000000052E0000-0x0000000005884000-memory.dmp
memory/4780-149-0x0000000004E10000-0x0000000004EA2000-memory.dmp
memory/4780-150-0x0000000005E10000-0x0000000005E22000-memory.dmp
memory/4780-151-0x0000000006250000-0x000000000628C000-memory.dmp
memory/4780-152-0x00000000065C0000-0x00000000065CA000-memory.dmp
memory/4320-153-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\iW69HWG2R85y.bat
| MD5 | 7c6a3d8ef717b261449f12b39489ea30 |
| SHA1 | 583f10c970719be4dc98b3b2ccdd735fc57a64ac |
| SHA256 | af0b54e507cc4e9ab2dc0a2d93421139155ffc5385a879355fa768252a96b445 |
| SHA512 | 6bd7d464e22051f13174089ac624c8ca01b4e2567c157e0e5bed30e1f56a9ea9c9afb70f6e468e0669aba7bf4d3478cef1d3074a841014f5ce08b308d9e45037 |
memory/900-155-0x0000000000000000-mapping.dmp
memory/4340-156-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Roaming\Logs\02-05-~1
| MD5 | a0b724fcea26adc37a1dc594a1861a41 |
| SHA1 | 3c82509425896a1f0bfb6893e6d47d74bf8633be |
| SHA256 | fae9982c374a9782a5de4dbdc1e4a415089ce502321339be375496f0a3322056 |
| SHA512 | 160647bc9b97f6a81cb83cebdb0e31f27f7b0d2111cf47384b7f11e5fcaa7189cf635cc42f0be0d485f3dbdc5e7d8c69e6605a9123fc6dfac4576697892ae7e3 |