Analysis Overview
SHA256
91ecf7c5b39d759837737717ad1f5dd5ddd01d4c7241bb4c1e6853e6cf74ec38
Threat Level: Known bad
The file 91ecf7c5b39d759837737717ad1f5dd5ddd01d4c7241bb4c1e6853e6cf74ec38 was found to be: Known bad.
Malicious Activity Summary
RedLine
RedLine payload
Redline family
Executes dropped EXE
Adds Run key to start application
System Location Discovery: System Language Discovery
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-08 10:11
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-08 10:11
Reported
2024-11-08 10:13
Platform
win10v2004-20241007-en
Max time kernel
132s
Max time network
148s
Command Line
Signatures
RedLine
RedLine payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Redline family
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nHL64nb.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nMB44vr.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\bjR77.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\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\3630b9fd9d3d3f24c1b3116118f7068b48c74201938a8fdfaa4d32116d383abe.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\"" | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nHL64nb.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\"" | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nMB44vr.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nMB44vr.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\bjR77.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\3630b9fd9d3d3f24c1b3116118f7068b48c74201938a8fdfaa4d32116d383abe.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nHL64nb.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\3630b9fd9d3d3f24c1b3116118f7068b48c74201938a8fdfaa4d32116d383abe.exe
"C:\Users\Admin\AppData\Local\Temp\3630b9fd9d3d3f24c1b3116118f7068b48c74201938a8fdfaa4d32116d383abe.exe"
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nHL64nb.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nHL64nb.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nMB44vr.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nMB44vr.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\bjR77.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\bjR77.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| RU | 193.233.20.13:4136 | tcp | |
| US | 8.8.8.8:53 | 69.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| RU | 193.233.20.13:4136 | tcp | |
| US | 8.8.8.8:53 | 212.20.149.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| RU | 193.233.20.13:4136 | tcp | |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| RU | 193.233.20.13:4136 | tcp | |
| US | 8.8.8.8:53 | 101.208.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| RU | 193.233.20.13:4136 | tcp | |
| RU | 193.233.20.13:4136 | tcp |
Files
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nHL64nb.exe
| MD5 | 0d219a012e36a78930d1eb0b6e53e97d |
| SHA1 | 7382bc4b5c36c9f568c703df68b6a0f2b3b97a19 |
| SHA256 | 2cab946252502809283a0dd54fd0a6e3a9b80716748c605a66c9884142ac946f |
| SHA512 | 7c6e6ab4414cc6d5735da1f50f6abc80551a2ababa403eefddaac769e2d636e1b8dde82c3a2b6d176f70c0384bf12a134479f33cd25129de396c8ab0aab4a1bf |
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nMB44vr.exe
| MD5 | 9d6f84b2e54dbde2669be6d007d1b1a0 |
| SHA1 | 6844de60b813fd6bd78697202df2f23f5b3da834 |
| SHA256 | 523e1201a889a5ed5397801121514cf14753fb0c2a913d428f18fa5b6913ea7d |
| SHA512 | ca8767674095e16db4bd769af8878845568551a856aebec7b8d31cd667db1e0d26adc8bc9dea7c354ac36e23345889a374c66857fe62997767a855cd3acf72f9 |
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\bjR77.exe
| MD5 | a5f5c5d6291c7ae9e1d1b7ed1e551490 |
| SHA1 | 3d06413341893b838549939e15f8f1eec423d71a |
| SHA256 | 1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e |
| SHA512 | d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2 |
memory/1292-21-0x0000000000E30000-0x0000000000E62000-memory.dmp
memory/1292-22-0x0000000005DA0000-0x00000000063B8000-memory.dmp
memory/1292-23-0x0000000005910000-0x0000000005A1A000-memory.dmp
memory/1292-24-0x0000000005840000-0x0000000005852000-memory.dmp
memory/1292-25-0x00000000058A0000-0x00000000058DC000-memory.dmp
memory/1292-26-0x0000000005A20000-0x0000000005A6C000-memory.dmp