Analysis Overview
SHA256
81d45690bdbea2b6c2b35878903e6ceaed8bf002a157c27d7b647c18a9e5d006
Threat Level: Known bad
The file 81d45690bdbea2b6c2b35878903e6ceaed8bf002a157c27d7b647c18a9e5d006 was found to be: Known bad.
Malicious Activity Summary
Darkcomet
UPX packed file
Executes dropped EXE
Loads dropped DLL
Adds Run key to start application
Suspicious use of SetThreadContext
Program crash
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-10-11 02:41
Signatures
Analysis: behavioral2
Detonation Overview
Submitted
2022-10-11 02:41
Reported
2022-10-11 03:52
Platform
win10v2004-20220812-en
Max time kernel
154s
Max time network
181s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\81d45690bdbea2b6c2b35878903e6ceaed8bf002a157c27d7b647c18a9e5d006.exe |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\81d45690bdbea2b6c2b35878903e6ceaed8bf002a157c27d7b647c18a9e5d006.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\81d45690bdbea2b6c2b35878903e6ceaed8bf002a157c27d7b647c18a9e5d006.exe
"C:\Users\Admin\AppData\Local\Temp\81d45690bdbea2b6c2b35878903e6ceaed8bf002a157c27d7b647c18a9e5d006.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 392 -ip 392
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 392 -s 476
Network
| Country | Destination | Domain | Proto |
| US | 209.197.3.8:80 | tcp | |
| IE | 13.69.239.72:443 | tcp | |
| US | 8.8.8.8:53 | 226.101.242.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.9.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.0.0.0.2.0.0.0.0.2.0.1.3.0.6.2.ip6.arpa | udp |
Files
Analysis: behavioral1
Detonation Overview
Submitted
2022-10-11 02:41
Reported
2022-10-11 03:51
Platform
win7-20220812-en
Max time kernel
151s
Max time network
175s
Command Line
Signatures
Darkcomet
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\temp\firefox udate.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\temp\firefox udate.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 |
| N/A | N/A | N/A | N/A |
Loads dropped DLL
Adds Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run | C:\Windows\SysWOW64\reg.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\firefox udate.exe = "C:\\Users\\Admin\\AppData\\Roaming\\temp\\firefox udate.exe" | C:\Windows\SysWOW64\reg.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1884 set thread context of 1076 | N/A | C:\Users\Admin\AppData\Local\Temp\81d45690bdbea2b6c2b35878903e6ceaed8bf002a157c27d7b647c18a9e5d006.exe | C:\Users\Admin\AppData\Local\Temp\81d45690bdbea2b6c2b35878903e6ceaed8bf002a157c27d7b647c18a9e5d006.exe |
| PID 908 set thread context of 612 | N/A | C:\Users\Admin\AppData\Roaming\temp\firefox udate.exe | C:\Users\Admin\AppData\Roaming\temp\firefox udate.exe |
| PID 908 set thread context of 1072 | N/A | C:\Users\Admin\AppData\Roaming\temp\firefox udate.exe | C:\Windows\SysWOW64\svchost.exe |
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\81d45690bdbea2b6c2b35878903e6ceaed8bf002a157c27d7b647c18a9e5d006.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\81d45690bdbea2b6c2b35878903e6ceaed8bf002a157c27d7b647c18a9e5d006.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\temp\firefox udate.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\temp\firefox udate.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\81d45690bdbea2b6c2b35878903e6ceaed8bf002a157c27d7b647c18a9e5d006.exe
"C:\Users\Admin\AppData\Local\Temp\81d45690bdbea2b6c2b35878903e6ceaed8bf002a157c27d7b647c18a9e5d006.exe"
C:\Users\Admin\AppData\Local\Temp\81d45690bdbea2b6c2b35878903e6ceaed8bf002a157c27d7b647c18a9e5d006.exe
"C:\Users\Admin\AppData\Local\Temp\81d45690bdbea2b6c2b35878903e6ceaed8bf002a157c27d7b647c18a9e5d006.exe"
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\DULJA.bat" "
C:\Windows\SysWOW64\reg.exe
REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "firefox udate.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\temp\firefox udate.exe" /f
C:\Users\Admin\AppData\Roaming\temp\firefox udate.exe
"C:\Users\Admin\AppData\Roaming\temp\firefox udate.exe"
C:\Users\Admin\AppData\Roaming\temp\firefox udate.exe
"C:\Users\Admin\AppData\Roaming\temp\firefox udate.exe"
C:\Windows\SysWOW64\svchost.exe
"C:\Windows\system32\svchost.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | shine.redirectme.net | udp |
| US | 204.95.99.109:1604 | shine.redirectme.net | tcp |
| US | 204.95.99.109:1604 | shine.redirectme.net | tcp |
| US | 204.95.99.109:1604 | shine.redirectme.net | tcp |
Files
memory/1884-56-0x0000000002950000-0x0000000002A07000-memory.dmp
memory/1076-60-0x0000000000400000-0x000000000040B000-memory.dmp
memory/1076-61-0x0000000000400000-0x000000000040B000-memory.dmp
memory/1076-63-0x0000000000400000-0x000000000040B000-memory.dmp
memory/1076-64-0x0000000000400000-0x000000000040B000-memory.dmp
memory/1076-65-0x00000000004085D0-mapping.dmp
memory/1076-67-0x0000000000400000-0x000000000040B000-memory.dmp
memory/1076-68-0x0000000000400000-0x000000000040B000-memory.dmp
memory/1076-71-0x0000000000400000-0x000000000040B000-memory.dmp
memory/1076-72-0x0000000076321000-0x0000000076323000-memory.dmp
memory/1720-73-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\DULJA.bat
| MD5 | b03159f96ccac2ce831bdb56b8d4fa0f |
| SHA1 | 575391e3af00ffe0b31e5fafadb8b0d87609c94a |
| SHA256 | c94041f2bd22f248f9bd175a089d9d8461af32add1fff5b8ce00816cce520d3c |
| SHA512 | 889199d3e641bfcc15b2be03781196736538e7407e03eaeba0393226efea09983be622858c8bbc6f17997358aa42cd71bb81c3b82387164a78205a553a899be4 |
memory/340-75-0x0000000000000000-mapping.dmp
\Users\Admin\AppData\Roaming\temp\firefox udate.exe
| MD5 | 181e2f86c874a3edcd82334b239dfc3d |
| SHA1 | b40d7334ff53659877bcebc164b56a2e93e5e1e8 |
| SHA256 | abad3a9b5c922eb738ba46c9f8fcb33a6b27aa85aac22fa7477cc589f0342d53 |
| SHA512 | c2124baf957a55807c9bc248ea5cef7e5bbe17468e3d08a8f69e7275451811b5b54fe32f56bcb560b6fbfdaed3657666773a409897d992ffefbab35ebc72cdbd |
\Users\Admin\AppData\Roaming\temp\firefox udate.exe
| MD5 | 181e2f86c874a3edcd82334b239dfc3d |
| SHA1 | b40d7334ff53659877bcebc164b56a2e93e5e1e8 |
| SHA256 | abad3a9b5c922eb738ba46c9f8fcb33a6b27aa85aac22fa7477cc589f0342d53 |
| SHA512 | c2124baf957a55807c9bc248ea5cef7e5bbe17468e3d08a8f69e7275451811b5b54fe32f56bcb560b6fbfdaed3657666773a409897d992ffefbab35ebc72cdbd |
memory/908-81-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Roaming\temp\firefox udate.exe
| MD5 | 181e2f86c874a3edcd82334b239dfc3d |
| SHA1 | b40d7334ff53659877bcebc164b56a2e93e5e1e8 |
| SHA256 | abad3a9b5c922eb738ba46c9f8fcb33a6b27aa85aac22fa7477cc589f0342d53 |
| SHA512 | c2124baf957a55807c9bc248ea5cef7e5bbe17468e3d08a8f69e7275451811b5b54fe32f56bcb560b6fbfdaed3657666773a409897d992ffefbab35ebc72cdbd |
\Users\Admin\AppData\Roaming\temp\firefox udate.exe
| MD5 | 181e2f86c874a3edcd82334b239dfc3d |
| SHA1 | b40d7334ff53659877bcebc164b56a2e93e5e1e8 |
| SHA256 | abad3a9b5c922eb738ba46c9f8fcb33a6b27aa85aac22fa7477cc589f0342d53 |
| SHA512 | c2124baf957a55807c9bc248ea5cef7e5bbe17468e3d08a8f69e7275451811b5b54fe32f56bcb560b6fbfdaed3657666773a409897d992ffefbab35ebc72cdbd |
\Users\Admin\AppData\Roaming\temp\firefox udate.exe
| MD5 | 181e2f86c874a3edcd82334b239dfc3d |
| SHA1 | b40d7334ff53659877bcebc164b56a2e93e5e1e8 |
| SHA256 | abad3a9b5c922eb738ba46c9f8fcb33a6b27aa85aac22fa7477cc589f0342d53 |
| SHA512 | c2124baf957a55807c9bc248ea5cef7e5bbe17468e3d08a8f69e7275451811b5b54fe32f56bcb560b6fbfdaed3657666773a409897d992ffefbab35ebc72cdbd |
\Users\Admin\AppData\Roaming\temp\firefox udate.exe
| MD5 | 181e2f86c874a3edcd82334b239dfc3d |
| SHA1 | b40d7334ff53659877bcebc164b56a2e93e5e1e8 |
| SHA256 | abad3a9b5c922eb738ba46c9f8fcb33a6b27aa85aac22fa7477cc589f0342d53 |
| SHA512 | c2124baf957a55807c9bc248ea5cef7e5bbe17468e3d08a8f69e7275451811b5b54fe32f56bcb560b6fbfdaed3657666773a409897d992ffefbab35ebc72cdbd |
C:\Users\Admin\AppData\Roaming\temp\firefox udate.exe
| MD5 | 181e2f86c874a3edcd82334b239dfc3d |
| SHA1 | b40d7334ff53659877bcebc164b56a2e93e5e1e8 |
| SHA256 | abad3a9b5c922eb738ba46c9f8fcb33a6b27aa85aac22fa7477cc589f0342d53 |
| SHA512 | c2124baf957a55807c9bc248ea5cef7e5bbe17468e3d08a8f69e7275451811b5b54fe32f56bcb560b6fbfdaed3657666773a409897d992ffefbab35ebc72cdbd |
memory/908-86-0x00000000026F0000-0x00000000027A7000-memory.dmp
memory/612-95-0x00000000004085D0-mapping.dmp
C:\Users\Admin\AppData\Roaming\temp\firefox udate.exe
| MD5 | 181e2f86c874a3edcd82334b239dfc3d |
| SHA1 | b40d7334ff53659877bcebc164b56a2e93e5e1e8 |
| SHA256 | abad3a9b5c922eb738ba46c9f8fcb33a6b27aa85aac22fa7477cc589f0342d53 |
| SHA512 | c2124baf957a55807c9bc248ea5cef7e5bbe17468e3d08a8f69e7275451811b5b54fe32f56bcb560b6fbfdaed3657666773a409897d992ffefbab35ebc72cdbd |
memory/1072-102-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/1072-103-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/1072-105-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/1072-107-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/1072-109-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/612-112-0x0000000000400000-0x000000000040B000-memory.dmp
memory/1072-113-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/1072-111-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/1072-115-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/1072-117-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/1072-118-0x0000000000490888-mapping.dmp
memory/1072-119-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/1076-120-0x0000000000400000-0x000000000040B000-memory.dmp
memory/1072-122-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/1072-124-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/612-125-0x0000000000400000-0x000000000040B000-memory.dmp
memory/1072-126-0x0000000000400000-0x00000000004B5000-memory.dmp