Analysis Overview
SHA256
aefcc4fbfe2edc7cc7992085ee0ef500cd6def9b66e5f668d4dfc03ae06f49c1
Threat Level: Known bad
The file aefcc4fbfe2edc7cc7992085ee0ef500cd6def9b66e5f668d4dfc03ae06f49c1 was found to be: Known bad.
Malicious Activity Summary
Darkcomet
Executes dropped EXE
Checks computer location settings
Loads dropped DLL
Legitimate hosting services abused for malware hosting/C2
Enumerates physical storage devices
Unsigned PE
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-04-20 19:14
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-20 19:14
Reported
2024-04-20 19:17
Platform
win7-20240221-en
Max time kernel
150s
Max time network
151s
Command Line
Signatures
Darkcomet
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\RarSFX0\егорыч.exe | N/A |
Loads dropped DLL
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | 5.tcp.eu.ngrok.io | N/A | N/A |
| N/A | 5.tcp.eu.ngrok.io | N/A | N/A |
| N/A | 5.tcp.eu.ngrok.io | N/A | N/A |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\DllHost.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\RarSFX0\егорыч.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2944 wrote to memory of 2584 | N/A | C:\Users\Admin\AppData\Local\Temp\aefcc4fbfe2edc7cc7992085ee0ef500cd6def9b66e5f668d4dfc03ae06f49c1.exe | C:\Users\Admin\AppData\Local\Temp\RarSFX0\егорыч.exe |
| PID 2944 wrote to memory of 2584 | N/A | C:\Users\Admin\AppData\Local\Temp\aefcc4fbfe2edc7cc7992085ee0ef500cd6def9b66e5f668d4dfc03ae06f49c1.exe | C:\Users\Admin\AppData\Local\Temp\RarSFX0\егорыч.exe |
| PID 2944 wrote to memory of 2584 | N/A | C:\Users\Admin\AppData\Local\Temp\aefcc4fbfe2edc7cc7992085ee0ef500cd6def9b66e5f668d4dfc03ae06f49c1.exe | C:\Users\Admin\AppData\Local\Temp\RarSFX0\егорыч.exe |
| PID 2944 wrote to memory of 2584 | N/A | C:\Users\Admin\AppData\Local\Temp\aefcc4fbfe2edc7cc7992085ee0ef500cd6def9b66e5f668d4dfc03ae06f49c1.exe | C:\Users\Admin\AppData\Local\Temp\RarSFX0\егорыч.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\aefcc4fbfe2edc7cc7992085ee0ef500cd6def9b66e5f668d4dfc03ae06f49c1.exe
"C:\Users\Admin\AppData\Local\Temp\aefcc4fbfe2edc7cc7992085ee0ef500cd6def9b66e5f668d4dfc03ae06f49c1.exe"
C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
C:\Users\Admin\AppData\Local\Temp\RarSFX0\егорыч.exe
"C:\Users\Admin\AppData\Local\Temp\RarSFX0\егорыч.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 5.tcp.eu.ngrok.io | udp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 5.tcp.eu.ngrok.io | udp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 5.tcp.eu.ngrok.io | udp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:13559 | 5.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | udp | |
| DE | 3.64.4.198:13559 | tcp | |
| DE | 3.64.4.198:13559 | tcp |
Files
memory/2944-4-0x0000000002230000-0x0000000002232000-memory.dmp
memory/2208-5-0x0000000000140000-0x0000000000142000-memory.dmp
memory/2208-6-0x0000000000350000-0x0000000000351000-memory.dmp
\Users\Admin\AppData\Local\Temp\RarSFX0\егорыч.exe
| MD5 | c4f0b78a6fae84edab5e00f55a5e74e9 |
| SHA1 | 0b9608a0db03faa4b219c0ccb3f89c094d5a736d |
| SHA256 | b2401024feb120662c7b58d8fab4e5879cfa11f3c2ca55528a101ab1a52afcf8 |
| SHA512 | 7bce618f0fd6b03f1b1072f5171ba1fd94d7b373836a5c7faa8eb6b0ba735c91a7c209c59d3e581a01a245bda1645575f3a19e9c7fe0491602a807138084b2c2 |
memory/2584-23-0x00000000004F0000-0x00000000004F1000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\RarSFX0\Screenshot_5.png
| MD5 | a905f9c62a5ea77a587f268e2cfdd776 |
| SHA1 | c1d4f8126182882e472486d1d1dbe93762bb0897 |
| SHA256 | 6e9b20dee99fa75cfffd0ebae9a888adf611eca15dc8fe160e0ea0f8a2fc520e |
| SHA512 | 272592e34b9f6c7163717dc0520577ced3abfcf3b6d0ed54e84821d364a9119f413ee24c079eae991db1fddf4e168be78fceb22bfad2c89d3a1de654dcbeb66f |
memory/2584-25-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2584-26-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2208-27-0x0000000000350000-0x0000000000351000-memory.dmp
memory/2584-28-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2584-29-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2584-30-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2584-31-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2584-32-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2584-33-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2584-34-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2584-35-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2584-36-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2584-38-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2584-39-0x0000000000400000-0x00000000004B2000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-20 19:14
Reported
2024-04-20 19:17
Platform
win10v2004-20240412-en
Max time kernel
149s
Max time network
153s
Command Line
Signatures
Darkcomet
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\aefcc4fbfe2edc7cc7992085ee0ef500cd6def9b66e5f668d4dfc03ae06f49c1.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\RarSFX0\егорыч.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | 5.tcp.eu.ngrok.io | N/A | N/A |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\RarSFX0\егорыч.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2756 wrote to memory of 3716 | N/A | C:\Users\Admin\AppData\Local\Temp\aefcc4fbfe2edc7cc7992085ee0ef500cd6def9b66e5f668d4dfc03ae06f49c1.exe | C:\Users\Admin\AppData\Local\Temp\RarSFX0\егорыч.exe |
| PID 2756 wrote to memory of 3716 | N/A | C:\Users\Admin\AppData\Local\Temp\aefcc4fbfe2edc7cc7992085ee0ef500cd6def9b66e5f668d4dfc03ae06f49c1.exe | C:\Users\Admin\AppData\Local\Temp\RarSFX0\егорыч.exe |
| PID 2756 wrote to memory of 3716 | N/A | C:\Users\Admin\AppData\Local\Temp\aefcc4fbfe2edc7cc7992085ee0ef500cd6def9b66e5f668d4dfc03ae06f49c1.exe | C:\Users\Admin\AppData\Local\Temp\RarSFX0\егорыч.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\aefcc4fbfe2edc7cc7992085ee0ef500cd6def9b66e5f668d4dfc03ae06f49c1.exe
"C:\Users\Admin\AppData\Local\Temp\aefcc4fbfe2edc7cc7992085ee0ef500cd6def9b66e5f668d4dfc03ae06f49c1.exe"
C:\Users\Admin\AppData\Local\Temp\RarSFX0\егорыч.exe
"C:\Users\Admin\AppData\Local\Temp\RarSFX0\егорыч.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 91.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 5.tcp.eu.ngrok.io | udp |
| DE | 3.67.62.142:13559 | 5.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 198.32.209.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 142.62.67.3.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.2.37.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.14.97.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 82.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.173.246.72.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 49.15.97.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 25.14.97.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.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 | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\RarSFX0\егорыч.exe
| MD5 | c4f0b78a6fae84edab5e00f55a5e74e9 |
| SHA1 | 0b9608a0db03faa4b219c0ccb3f89c094d5a736d |
| SHA256 | b2401024feb120662c7b58d8fab4e5879cfa11f3c2ca55528a101ab1a52afcf8 |
| SHA512 | 7bce618f0fd6b03f1b1072f5171ba1fd94d7b373836a5c7faa8eb6b0ba735c91a7c209c59d3e581a01a245bda1645575f3a19e9c7fe0491602a807138084b2c2 |
memory/3716-14-0x0000000000770000-0x0000000000771000-memory.dmp
memory/3716-15-0x0000000000400000-0x00000000004B2000-memory.dmp