Analysis Overview
SHA256
b95a5e2ae5653e4de504a1d230857b40b1c251c5b832057a3f3ac67ec4cdb408
Threat Level: Known bad
The file 821e4c194c721f6f40b6a63b71229677 was found to be: Known bad.
Malicious Activity Summary
Detect XtremeRAT payload
XtremeRAT
Modifies Installed Components in the registry
Executes dropped EXE
Adds Run key to start application
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 17:55
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-26 17:55
Reported
2024-01-06 23:12
Platform
win7-20231215-en
Max time kernel
156s
Max time network
175s
Command Line
Signatures
Detect XtremeRAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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XtremeRAT
Modifies Installed Components in the registry
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{W8T14QPY-7Y46-5QEV-21J8-V8SC54R564PN} | C:\Windows\SysWOW64\explorer.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{W8T14QPY-7Y46-5QEV-21J8-V8SC54R564PN}\StubPath = "C:\\Users\\Admin\\AppData\\Local\\Temp\\InstallDir\\Server.exe restart" | C:\Windows\SysWOW64\explorer.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{W8T14QPY-7Y46-5QEV-21J8-V8SC54R564PN} | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{W8T14QPY-7Y46-5QEV-21J8-V8SC54R564PN}\StubPath = "C:\\Users\\Admin\\AppData\\Local\\Temp\\InstallDir\\Server.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\MINEEE~1.EXE | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ACELER~1.EXE | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" | C:\Users\Admin\AppData\Local\Temp\821e4c194c721f6f40b6a63b71229677.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Users\\Admin\\AppData\\Local\\Temp\\InstallDir\\Server.exe" | C:\Windows\SysWOW64\explorer.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Users\\Admin\\AppData\\Local\\Temp\\InstallDir\\Server.exe" | C:\Windows\SysWOW64\explorer.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Users\\Admin\\AppData\\Local\\Temp\\InstallDir\\Server.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Users\\Admin\\AppData\\Local\\Temp\\InstallDir\\Server.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\explorer.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\821e4c194c721f6f40b6a63b71229677.exe
"C:\Users\Admin\AppData\Local\Temp\821e4c194c721f6f40b6a63b71229677.exe"
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\MINEEE~1.EXE
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\MINEEE~1.EXE
C:\Windows\SysWOW64\svchost.exe
svchost.exe
C:\Windows\SysWOW64\explorer.exe
explorer.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ACELER~1.EXE
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ACELER~1.EXE
C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe
dw20.exe -x -s 412
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | keohack.no-ip.biz | udp |
Files
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\MINEEE~1.EXE
| MD5 | 3ded0d9f3644be4ee425101d53c9d531 |
| SHA1 | c19997e0c8da2243beb858d8d4e992710718705f |
| SHA256 | bfc0210ee77bb884d89be9c24dff0f44866355dfbfb5eae0d1d2a5c93d908467 |
| SHA512 | 5643a5828206ae6e92f3cc52ac1d35284b1ae2a81549a31f6d25d1e209bdb4222ccb114a6ea6d62936ad431775ecce8905421a62055f653c3503c764a38a1bd1 |
memory/2408-9-0x0000000010000000-0x00000000100C5000-memory.dmp
memory/2584-10-0x0000000010000000-0x00000000100C5000-memory.dmp
memory/2584-12-0x0000000010000000-0x00000000100C5000-memory.dmp
memory/2408-16-0x0000000010000000-0x00000000100C5000-memory.dmp
memory/2736-15-0x0000000010000000-0x00000000100C5000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ACELER~1.EXE
| MD5 | 90ad798c72c142c27204801a41483630 |
| SHA1 | ae45cb70ac04c135fc5f1bd1f5eb5093ef9bf676 |
| SHA256 | ec5e60507ed862673894935dcc2c7dfd281b166ab5480e094991d3a8779ce665 |
| SHA512 | f12c32c801124ec13efd0f48c434e96194352af0d2dcac29d5f611ece31ba62d812242970be45a7f7cdea4372db980e1ae6f353a1f61a34a2bee7e093e22f037 |
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\MINEEE~1.EXE
| MD5 | 873a2bcda208068625b9a744f4062a29 |
| SHA1 | f5a306be7467e86ac4fd21d1ea1e319f3e196b89 |
| SHA256 | 9aaceb5705833ab09ad60bbdf6c41b7d4175d3d2b0b74133037595b2db0f4441 |
| SHA512 | e0d828d82adb69d8dc4a921ceda03844abbacdb12daa621a697eb8954815948b58f966766ccbc2a15809c2ae4d245dbcf74684484aa4e5f407ae7e9eacf09a96 |
memory/2736-24-0x0000000010000000-0x00000000100C5000-memory.dmp
memory/2736-23-0x0000000010000000-0x00000000100C5000-memory.dmp
memory/2600-25-0x000007FEF5B80000-0x000007FEF651D000-memory.dmp
memory/2600-26-0x0000000001EC0000-0x0000000001F40000-memory.dmp
memory/2600-27-0x000007FEF5B80000-0x000007FEF651D000-memory.dmp
memory/2736-28-0x0000000010000000-0x00000000100C5000-memory.dmp
memory/3036-29-0x00000000004A0000-0x00000000004A1000-memory.dmp
memory/2584-31-0x0000000010000000-0x00000000100C5000-memory.dmp
memory/2600-32-0x000007FEF5B80000-0x000007FEF651D000-memory.dmp
memory/2600-33-0x0000000001EC0000-0x0000000001F40000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-26 17:55
Reported
2024-01-06 23:11
Platform
win10v2004-20231215-en
Max time kernel
134s
Max time network
149s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\MINEEE~1.EXE | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" | C:\Users\Admin\AppData\Local\Temp\821e4c194c721f6f40b6a63b71229677.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4856 wrote to memory of 2660 | N/A | C:\Users\Admin\AppData\Local\Temp\821e4c194c721f6f40b6a63b71229677.exe | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\MINEEE~1.EXE |
| PID 4856 wrote to memory of 2660 | N/A | C:\Users\Admin\AppData\Local\Temp\821e4c194c721f6f40b6a63b71229677.exe | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\MINEEE~1.EXE |
| PID 4856 wrote to memory of 2660 | N/A | C:\Users\Admin\AppData\Local\Temp\821e4c194c721f6f40b6a63b71229677.exe | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\MINEEE~1.EXE |
Processes
C:\Users\Admin\AppData\Local\Temp\821e4c194c721f6f40b6a63b71229677.exe
"C:\Users\Admin\AppData\Local\Temp\821e4c194c721f6f40b6a63b71229677.exe"
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\MINEEE~1.EXE
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\MINEEE~1.EXE
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 20.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 210.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 59.128.231.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 146.78.124.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.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 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 16.173.189.20.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\MINEEE~1.EXE
| MD5 | 3ded0d9f3644be4ee425101d53c9d531 |
| SHA1 | c19997e0c8da2243beb858d8d4e992710718705f |
| SHA256 | bfc0210ee77bb884d89be9c24dff0f44866355dfbfb5eae0d1d2a5c93d908467 |
| SHA512 | 5643a5828206ae6e92f3cc52ac1d35284b1ae2a81549a31f6d25d1e209bdb4222ccb114a6ea6d62936ad431775ecce8905421a62055f653c3503c764a38a1bd1 |