Analysis Overview
SHA256
5534bb7a49b308e814c184ed36232dfa2ad69b9222749441c902375e0e0beb21
Threat Level: Known bad
The file 0f94212a02d7bf9800730f01accf22b5_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Darkcomet
Modifies WinLogon for persistence
Executes dropped EXE
Checks computer location settings
Loads dropped DLL
Adds Run key to start application
Program crash
Unsigned PE
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-25 21:23
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-25 21:23
Reported
2024-06-25 21:26
Platform
win10v2004-20240611-en
Max time kernel
150s
Max time network
154s
Command Line
Signatures
Darkcomet
Modifies WinLogon for persistence
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\MSDCSC\\explorer.exe" | C:\Users\Admin\AppData\Local\Temp\0f94212a02d7bf9800730f01accf22b5_JaffaCakes118.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3665033694-1447845302-680750983-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\0f94212a02d7bf9800730f01accf22b5_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\MSDCSC\explorer.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3665033694-1447845302-680750983-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\MSDCSC\\explorer.exe" | C:\Users\Admin\AppData\Local\Temp\0f94212a02d7bf9800730f01accf22b5_JaffaCakes118.exe | N/A |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\notepad.exe |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\MSDCSC\explorer.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\MSDCSC\explorer.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\0f94212a02d7bf9800730f01accf22b5_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0f94212a02d7bf9800730f01accf22b5_JaffaCakes118.exe"
C:\MSDCSC\explorer.exe
"C:\MSDCSC\explorer.exe"
C:\Windows\SysWOW64\notepad.exe
notepad
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5112 -ip 5112
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5112 -s 428
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4308,i,10925946972013221578,8820669985803190952,262144 --variations-seed-version --mojo-platform-channel-handle=3924 /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | ayada.no-ip.info | udp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 69.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | ayada.no-ip.info | udp |
| US | 8.8.8.8:53 | ayada.no-ip.info | udp |
| US | 8.8.8.8:53 | ayada.no-ip.info | udp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | ayada.no-ip.info | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | ayada.no-ip.info | udp |
| US | 8.8.8.8:53 | ayada.no-ip.info | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | ayada.no-ip.info | udp |
| US | 8.8.8.8:53 | ayada.no-ip.info | udp |
| US | 8.8.8.8:53 | ayada.no-ip.info | udp |
| US | 8.8.8.8:53 | ayada.no-ip.info | udp |
| US | 8.8.8.8:53 | ayada.no-ip.info | udp |
| US | 8.8.8.8:53 | ayada.no-ip.info | udp |
| US | 8.8.8.8:53 | ayada.no-ip.info | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | ayada.no-ip.info | udp |
| US | 8.8.8.8:53 | ayada.no-ip.info | udp |
| US | 8.8.8.8:53 | ayada.no-ip.info | udp |
| US | 8.8.8.8:53 | ayada.no-ip.info | udp |
| US | 8.8.8.8:53 | ayada.no-ip.info | udp |
| US | 8.8.8.8:53 | ayada.no-ip.info | udp |
| US | 8.8.8.8:53 | ayada.no-ip.info | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 10.28.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | ayada.no-ip.info | udp |
| US | 8.8.8.8:53 | ayada.no-ip.info | udp |
| US | 8.8.8.8:53 | ayada.no-ip.info | udp |
| US | 8.8.8.8:53 | ayada.no-ip.info | udp |
| US | 8.8.8.8:53 | ayada.no-ip.info | udp |
| US | 8.8.8.8:53 | ayada.no-ip.info | udp |
| US | 8.8.8.8:53 | ayada.no-ip.info | udp |
| US | 8.8.8.8:53 | ayada.no-ip.info | udp |
| US | 8.8.8.8:53 | ayada.no-ip.info | udp |
| US | 8.8.8.8:53 | ayada.no-ip.info | udp |
Files
memory/1840-0-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/1840-1-0x00000000020A0000-0x00000000020A1000-memory.dmp
C:\MSDCSC\explorer.exe
| MD5 | 0f94212a02d7bf9800730f01accf22b5 |
| SHA1 | 836f60020dfa5d8ddfe9d56f07b37aef3c01ae89 |
| SHA256 | 5534bb7a49b308e814c184ed36232dfa2ad69b9222749441c902375e0e0beb21 |
| SHA512 | aca82c975fb4ec5069a7f44f152adc6ab1c92dbe8e24f6980475fc3a263ca4d712314838f085a021fb20b49f5584b0296d654daec97a0042f5d45665ca7224d8 |
memory/1840-15-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/388-16-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/388-17-0x0000000000700000-0x0000000000701000-memory.dmp
memory/5112-18-0x00000000007F0000-0x00000000007F1000-memory.dmp
memory/388-20-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/388-21-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/388-22-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/388-23-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/388-24-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/388-25-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/388-26-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/388-27-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/388-28-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/388-29-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/388-30-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/388-31-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/388-32-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/388-33-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/388-34-0x0000000000400000-0x00000000004D5000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-25 21:23
Reported
2024-06-25 21:26
Platform
win7-20240508-en
Max time kernel
148s
Max time network
149s
Command Line
Signatures
Darkcomet
Modifies WinLogon for persistence
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\MSDCSC\\explorer.exe" | C:\Users\Admin\AppData\Local\Temp\0f94212a02d7bf9800730f01accf22b5_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\MSDCSC\explorer.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\0f94212a02d7bf9800730f01accf22b5_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\0f94212a02d7bf9800730f01accf22b5_JaffaCakes118.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\MSDCSC\\explorer.exe" | C:\Users\Admin\AppData\Local\Temp\0f94212a02d7bf9800730f01accf22b5_JaffaCakes118.exe | N/A |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\notepad.exe |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\MSDCSC\explorer.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\MSDCSC\explorer.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\0f94212a02d7bf9800730f01accf22b5_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0f94212a02d7bf9800730f01accf22b5_JaffaCakes118.exe"
C:\MSDCSC\explorer.exe
"C:\MSDCSC\explorer.exe"
C:\Windows\SysWOW64\notepad.exe
notepad
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2600 -s 264
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | ayada.no-ip.info | udp |
| US | 8.8.8.8:53 | ayada.no-ip.info | udp |
| US | 8.8.8.8:53 | ayada.no-ip.info | udp |
| US | 8.8.8.8:53 | ayada.no-ip.info | udp |
| US | 8.8.8.8:53 | ayada.no-ip.info | udp |
| US | 8.8.8.8:53 | ayada.no-ip.info | udp |
| US | 8.8.8.8:53 | ayada.no-ip.info | udp |
| US | 8.8.8.8:53 | ayada.no-ip.info | udp |
| US | 8.8.8.8:53 | ayada.no-ip.info | udp |
| US | 8.8.8.8:53 | ayada.no-ip.info | udp |
| US | 8.8.8.8:53 | ayada.no-ip.info | udp |
| US | 8.8.8.8:53 | ayada.no-ip.info | udp |
| US | 8.8.8.8:53 | ayada.no-ip.info | udp |
Files
memory/1484-0-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/1484-1-0x0000000000290000-0x0000000000291000-memory.dmp
\MSDCSC\explorer.exe
| MD5 | 0f94212a02d7bf9800730f01accf22b5 |
| SHA1 | 836f60020dfa5d8ddfe9d56f07b37aef3c01ae89 |
| SHA256 | 5534bb7a49b308e814c184ed36232dfa2ad69b9222749441c902375e0e0beb21 |
| SHA512 | aca82c975fb4ec5069a7f44f152adc6ab1c92dbe8e24f6980475fc3a263ca4d712314838f085a021fb20b49f5584b0296d654daec97a0042f5d45665ca7224d8 |
memory/1484-12-0x0000000003640000-0x0000000003715000-memory.dmp
memory/1484-14-0x0000000003640000-0x0000000003715000-memory.dmp
memory/1356-16-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/1484-13-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/1356-17-0x00000000002A0000-0x00000000002A1000-memory.dmp
memory/2600-18-0x0000000000080000-0x0000000000081000-memory.dmp
memory/2600-39-0x00000000001A0000-0x00000000001A1000-memory.dmp
memory/1356-40-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/1356-41-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/1356-43-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/1356-44-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/1356-45-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/1356-47-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/1356-48-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/1356-49-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/1356-50-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/1356-52-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/1356-53-0x0000000000400000-0x00000000004D5000-memory.dmp
memory/1356-54-0x0000000000400000-0x00000000004D5000-memory.dmp