Analysis Overview
SHA256
52b4760df29374cf59babed736100e689a10ecf9a8ab651d28010f6489fb4e46
Threat Level: Known bad
The file 7f3288ccbcf8a013ab271528d5592fd2 was found to be: Known bad.
Malicious Activity Summary
Detect XtremeRAT payload
XtremeRAT
Modifies Installed Components in the registry
UPX packed file
Adds Run key to start application
Drops file in System32 directory
Suspicious use of SetThreadContext
Unsigned PE
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-12-26 17:09
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-26 17:09
Reported
2024-01-06 21:51
Platform
win10v2004-20231215-en
Max time kernel
149s
Max time network
149s
Command Line
Signatures
Detect XtremeRAT 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 |
XtremeRAT
Modifies Installed Components in the registry
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2} | C:\Users\Admin\AppData\Local\Temp\7f3288ccbcf8a013ab271528d5592fd2.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\system32\\InstallDir\\Server.exe restart" | C:\Users\Admin\AppData\Local\Temp\7f3288ccbcf8a013ab271528d5592fd2.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2} | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\system32\\InstallDir\\Server.exe restart" | C:\Windows\SysWOW64\svchost.exe | N/A |
UPX packed file
| 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 |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallDir\\Server.exe" | C:\Users\Admin\AppData\Local\Temp\7f3288ccbcf8a013ab271528d5592fd2.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\InstallDir\\Server.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallDir\\Server.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\InstallDir\\Server.exe" | C:\Users\Admin\AppData\Local\Temp\7f3288ccbcf8a013ab271528d5592fd2.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\InstallDir\Server.exe | C:\Users\Admin\AppData\Local\Temp\7f3288ccbcf8a013ab271528d5592fd2.exe | N/A |
| File created | C:\Windows\SysWOW64\InstallDir\Server.exe | C:\Users\Admin\AppData\Local\Temp\7f3288ccbcf8a013ab271528d5592fd2.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3768 set thread context of 4352 | N/A | C:\Users\Admin\AppData\Local\Temp\7f3288ccbcf8a013ab271528d5592fd2.exe | C:\Users\Admin\AppData\Local\Temp\7f3288ccbcf8a013ab271528d5592fd2.exe |
| PID 4352 set thread context of 3076 | N/A | C:\Users\Admin\AppData\Local\Temp\7f3288ccbcf8a013ab271528d5592fd2.exe | C:\Users\Admin\AppData\Local\Temp\7f3288ccbcf8a013ab271528d5592fd2.exe |
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7f3288ccbcf8a013ab271528d5592fd2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7f3288ccbcf8a013ab271528d5592fd2.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\7f3288ccbcf8a013ab271528d5592fd2.exe
"C:\Users\Admin\AppData\Local\Temp\7f3288ccbcf8a013ab271528d5592fd2.exe"
C:\Users\Admin\AppData\Local\Temp\7f3288ccbcf8a013ab271528d5592fd2.exe
C:\Windows\SysWOW64\svchost.exe
svchost.exe
C:\Windows\SysWOW64\svchost.exe
svchost.exe
C:\Users\Admin\AppData\Local\Temp\7f3288ccbcf8a013ab271528d5592fd2.exe
"C:\Users\Admin\AppData\Local\Temp\7f3288ccbcf8a013ab271528d5592fd2.exe"
Network
| Country | Destination | Domain | Proto |
| US | 138.91.171.81:80 | tcp | |
| US | 8.8.8.8:53 | 133.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 61.179.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.webserver.com | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 199.191.50.166:80 | www.webserver.com | tcp |
| US | 8.8.8.8:53 | exploreinquiry.com | udp |
| US | 208.91.196.46:443 | exploreinquiry.com | tcp |
| US | 8.8.8.8:53 | 166.50.191.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 46.196.91.208.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 40.13.222.173.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 193.179.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.afternic.com | udp |
| GB | 95.101.143.96:80 | www.afternic.com | tcp |
| GB | 95.101.143.96:443 | www.afternic.com | tcp |
| US | 8.8.8.8:53 | 96.143.101.95.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 36.249.124.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 178.223.142.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 45.179.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.1.37.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 42.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.179.17.96.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 | 81.171.91.138.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 214.80.50.20.in-addr.arpa | udp |
| GB | 96.17.179.55:80 | tcp | |
| GB | 96.17.179.55:80 | tcp |
Files
memory/3768-0-0x0000000000400000-0x00000000004E7000-memory.dmp
memory/3768-1-0x00000000021C0000-0x0000000002220000-memory.dmp
memory/3768-2-0x0000000002180000-0x0000000002181000-memory.dmp
memory/3768-3-0x0000000002170000-0x0000000002171000-memory.dmp
memory/3768-4-0x0000000002230000-0x0000000002231000-memory.dmp
memory/3768-7-0x0000000002250000-0x0000000002251000-memory.dmp
memory/3768-5-0x0000000002160000-0x0000000002161000-memory.dmp
memory/3768-8-0x00000000021A0000-0x00000000021A1000-memory.dmp
memory/3768-9-0x0000000002240000-0x0000000002241000-memory.dmp
memory/3768-11-0x0000000002220000-0x0000000002221000-memory.dmp
memory/3768-10-0x0000000003A30000-0x0000000003A31000-memory.dmp
memory/3768-15-0x0000000002290000-0x0000000002291000-memory.dmp
memory/3768-17-0x00000000022C0000-0x00000000022C1000-memory.dmp
memory/3768-20-0x0000000002BA0000-0x0000000002BA1000-memory.dmp
memory/3768-22-0x0000000002B80000-0x0000000002B81000-memory.dmp
memory/3768-25-0x00000000022B0000-0x00000000022B1000-memory.dmp
memory/3768-27-0x00000000006D0000-0x00000000006D1000-memory.dmp
memory/3768-30-0x0000000003A40000-0x0000000003A41000-memory.dmp
memory/3768-29-0x0000000003A50000-0x0000000003A51000-memory.dmp
memory/3768-28-0x0000000003A60000-0x0000000003A61000-memory.dmp
memory/3768-26-0x0000000000540000-0x0000000000541000-memory.dmp
memory/3768-24-0x0000000002BE0000-0x0000000002BE1000-memory.dmp
memory/3768-23-0x0000000002BC0000-0x0000000002BC1000-memory.dmp
memory/3768-21-0x0000000002B90000-0x0000000002B91000-memory.dmp
memory/3768-19-0x0000000002300000-0x0000000002301000-memory.dmp
memory/3768-18-0x0000000002280000-0x0000000002281000-memory.dmp
memory/3768-16-0x00000000022F0000-0x00000000022F1000-memory.dmp
memory/3768-14-0x00000000022A0000-0x00000000022A1000-memory.dmp
memory/3768-12-0x0000000003A20000-0x0000000003A23000-memory.dmp
memory/3768-32-0x0000000003AE0000-0x0000000003AE1000-memory.dmp
memory/3768-34-0x0000000003AD0000-0x0000000003AD1000-memory.dmp
memory/3768-37-0x0000000003B10000-0x0000000003B11000-memory.dmp
memory/3768-41-0x0000000003B30000-0x0000000003B31000-memory.dmp
memory/3768-42-0x00000000021C0000-0x0000000002220000-memory.dmp
memory/3768-43-0x0000000003B60000-0x0000000003B61000-memory.dmp
memory/3768-39-0x0000000000400000-0x00000000004E7000-memory.dmp
memory/4352-45-0x0000000000400000-0x0000000000419000-memory.dmp
memory/3076-46-0x0000000000C80000-0x0000000000C96000-memory.dmp
memory/3076-52-0x0000000000C80000-0x0000000000C96000-memory.dmp
memory/3076-51-0x0000000000C80000-0x0000000000C96000-memory.dmp
memory/3076-49-0x0000000000C80000-0x0000000000C96000-memory.dmp
memory/4352-48-0x0000000000400000-0x0000000000419000-memory.dmp
memory/3768-40-0x0000000003B40000-0x0000000003B41000-memory.dmp
memory/4136-56-0x0000000000C80000-0x0000000000C96000-memory.dmp
C:\Windows\SysWOW64\InstallDir\Server.exe
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
memory/3892-58-0x0000000000C80000-0x0000000000C96000-memory.dmp
memory/3768-36-0x0000000003B20000-0x0000000003B21000-memory.dmp
memory/4352-35-0x0000000000400000-0x0000000000419000-memory.dmp
memory/4352-31-0x0000000000400000-0x0000000000419000-memory.dmp
memory/3076-59-0x0000000000C80000-0x0000000000C96000-memory.dmp
memory/3892-61-0x0000000000C80000-0x0000000000C96000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Gy7rQ.xtr
| MD5 | bf28f8fb31a4f40582f6101327d87699 |
| SHA1 | dba0a546428f6e8762e2b380ca610af2bcf2b652 |
| SHA256 | c3950ff601608fb705d1ec47860db16089e5869037be61563c5aad6540d27518 |
| SHA512 | c788e88f5f1cec1aa200de2f34e0fc1d1e7a4af8c3cce6406ded6b2bb1884b8ee5240cdfb621d3ebf453f13b07512df031f599d24c2eb02545fdf1dd6931220d |
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-26 17:09
Reported
2024-01-06 21:51
Platform
win7-20231129-en
Max time kernel
141s
Max time network
123s
Command Line
Signatures
Processes
C:\Users\Admin\AppData\Local\Temp\7f3288ccbcf8a013ab271528d5592fd2.exe
"C:\Users\Admin\AppData\Local\Temp\7f3288ccbcf8a013ab271528d5592fd2.exe"
Network
Files
memory/2948-0-0x0000000000400000-0x00000000004E7000-memory.dmp
memory/2948-16-0x0000000002450000-0x0000000002451000-memory.dmp
memory/2948-19-0x0000000002490000-0x0000000002491000-memory.dmp
memory/2948-20-0x0000000002790000-0x0000000002791000-memory.dmp
memory/2948-21-0x0000000002480000-0x0000000002481000-memory.dmp
memory/2948-22-0x0000000002760000-0x0000000002761000-memory.dmp
memory/2948-23-0x0000000002780000-0x0000000002781000-memory.dmp
memory/2948-24-0x00000000005A0000-0x00000000005A1000-memory.dmp
memory/2948-25-0x0000000000280000-0x0000000000281000-memory.dmp
memory/2948-18-0x00000000024E0000-0x00000000024E1000-memory.dmp
memory/2948-15-0x0000000000570000-0x0000000000571000-memory.dmp
memory/2948-14-0x00000000005B0000-0x00000000005B1000-memory.dmp
memory/2948-13-0x0000000002440000-0x0000000002441000-memory.dmp
memory/2948-12-0x0000000000580000-0x0000000000581000-memory.dmp
memory/2948-11-0x0000000000590000-0x0000000000591000-memory.dmp
memory/2948-10-0x00000000035E0000-0x00000000035E3000-memory.dmp
memory/2948-9-0x00000000002C0000-0x00000000002C1000-memory.dmp
memory/2948-8-0x00000000035F0000-0x00000000035F1000-memory.dmp
memory/2948-7-0x00000000003E0000-0x00000000003E1000-memory.dmp
memory/2948-6-0x00000000002A0000-0x00000000002A1000-memory.dmp
memory/2948-5-0x00000000003F0000-0x00000000003F1000-memory.dmp
memory/2948-4-0x00000000001D0000-0x00000000001D1000-memory.dmp
memory/2948-3-0x00000000003D0000-0x00000000003D1000-memory.dmp
memory/2948-2-0x00000000001E0000-0x00000000001E1000-memory.dmp
memory/2948-1-0x00000000005C0000-0x0000000000620000-memory.dmp
memory/2948-26-0x0000000000400000-0x00000000004E7000-memory.dmp
memory/2948-27-0x00000000005C0000-0x0000000000620000-memory.dmp