Analysis Overview
SHA256
816b8d84c864ab7ff7b322971b3aa3f9528889316b47d5ebefbc01bd9afe5fc7
Threat Level: Known bad
The file 634f31be903d4e65ad8b3a0267a3d6c0_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Darkcomet
Modifies WinLogon for persistence
Disables RegEdit via registry modification
Loads dropped DLL
UPX packed file
Executes dropped EXE
Checks computer location settings
Adds Run key to start application
Enumerates physical storage devices
Unsigned PE
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-07-22 13:13
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-22 13:13
Reported
2024-07-22 13:18
Platform
win7-20240704-en
Max time kernel
150s
Max time network
147s
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:\\Users\\Admin\\Desktop\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Roaming\Stage1.exe | N/A |
Disables RegEdit via registry modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" | C:\Users\Admin\Desktop\MSDCSC\msdcsc.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Crypted.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Stage2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Stage1.exe | N/A |
| N/A | N/A | C:\Users\Admin\Desktop\MSDCSC\msdcsc.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\634f31be903d4e65ad8b3a0267a3d6c0_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Crypted.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Crypted.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Crypted.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Crypted.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Stage2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Stage2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Crypted.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Crypted.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Stage1.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Stage1.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Stage1.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Stage1.exe | N/A |
| N/A | N/A | C:\Users\Admin\Desktop\MSDCSC\msdcsc.exe | N/A |
| N/A | N/A | C:\Users\Admin\Desktop\MSDCSC\msdcsc.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 |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Desktop\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Roaming\Stage1.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Desktop\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\Desktop\MSDCSC\msdcsc.exe | 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\Desktop\MSDCSC\msdcsc.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\634f31be903d4e65ad8b3a0267a3d6c0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\634f31be903d4e65ad8b3a0267a3d6c0_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\Crypted.exe
"C:\Users\Admin\AppData\Local\Temp\Crypted.exe"
C:\Users\Admin\AppData\Roaming\Stage2.exe
"C:\Users\Admin\AppData\Roaming\Stage2.exe" x -y -oC:\Users\Admin\AppData\Roaming -pxnq8rPMxVI87ciGwWJHxRTy3iauHcIirteOOELv3B5vkS9kJoHBUAahY1dWxj8yA
C:\Users\Admin\AppData\Roaming\Stage1.exe
"C:\Users\Admin\AppData\Roaming\Stage1.exe"
C:\Users\Admin\Desktop\MSDCSC\msdcsc.exe
"C:\Users\Admin\Desktop\MSDCSC\msdcsc.exe"
C:\Windows\SysWOW64\notepad.exe
notepad
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | parafron.no-ip.biz | udp |
| IT | 78.159.131.80:100 | parafron.no-ip.biz | tcp |
| IT | 78.159.131.80:100 | parafron.no-ip.biz | tcp |
| IT | 78.159.131.80:100 | parafron.no-ip.biz | tcp |
| US | 8.8.8.8:53 | parafron.no-ip.biz | udp |
| IT | 78.159.131.80:100 | parafron.no-ip.biz | tcp |
| IT | 78.159.131.80:100 | parafron.no-ip.biz | tcp |
| IT | 78.159.131.80:100 | parafron.no-ip.biz | tcp |
| US | 8.8.8.8:53 | parafron.no-ip.biz | udp |
| IT | 78.159.131.80:100 | parafron.no-ip.biz | tcp |
Files
C:\Users\Admin\AppData\Local\Temp\Crypted.exe
| MD5 | 2b2da5103459934a48d05b147766718d |
| SHA1 | fe4379b6bee31e3aff9c263cc0020699ac9d0852 |
| SHA256 | 79282f9b6269118fb2c14ab32287a922f836514256fdadaf205ba3efe310722b |
| SHA512 | ddeeba5a582719f0df38f33fc5d9fa3f5e4daed972565cfba191f65d9bc6acbb7ba211bed65b5b60ecf3cf8b0abc2759072571d037cb317194ab91a1689093c9 |
\Users\Admin\AppData\Roaming\Stage2.exe
| MD5 | 2799863078b50af5d28e527841961500 |
| SHA1 | b74220f377299e42fcdd2c75ca84343958542720 |
| SHA256 | 41aea843d59ffe60ff22328b740519aad8927fdf39f439ec0424ebb615679c33 |
| SHA512 | bf0685103977c27881cef4abaff777f490349db9ec5bd6f7167f98f390e0baf895af629442c15e0c2578b7b156c772e8ecf8d17917871b06b80828433eb38f14 |
memory/1952-19-0x0000000002680000-0x00000000026C3000-memory.dmp
memory/1952-16-0x0000000002680000-0x00000000026C3000-memory.dmp
memory/2952-24-0x0000000000230000-0x0000000000273000-memory.dmp
memory/2952-27-0x0000000000400000-0x0000000000443000-memory.dmp
C:\Users\Admin\AppData\Roaming\Stage1.exe
| MD5 | 09bf018f3216c295f4ec053e1a26fd3c |
| SHA1 | e4f6dd527077196369343712afacf05a22bbe318 |
| SHA256 | 3990d8a59a7b3df913936b8243d470e1fde8ff214c130e737a7d045633f5680f |
| SHA512 | f1e4a3b02308b251e5794b225f5ed395466eef7a14f0c41f69a4cf68df95fe89ab146d4fa3a8e922828c897aa86601c510535126f175de44369f7e8ec9879f60 |
memory/2724-44-0x0000000000400000-0x00000000004B4000-memory.dmp
memory/2276-86-0x00000000001D0000-0x00000000001D1000-memory.dmp
memory/2276-48-0x00000000000D0000-0x00000000000D1000-memory.dmp
memory/2924-87-0x0000000000400000-0x00000000004B4000-memory.dmp
memory/2924-88-0x0000000000400000-0x00000000004B4000-memory.dmp
memory/2924-89-0x0000000000400000-0x00000000004B4000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-22 13:13
Reported
2024-07-22 13:18
Platform
win10v2004-20240709-en
Max time kernel
149s
Max time network
146s
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:\\Users\\Admin\\Desktop\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Roaming\Stage1.exe | N/A |
Disables RegEdit via registry modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1750093773-264148664-1320403265-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" | C:\Users\Admin\Desktop\MSDCSC\msdcsc.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1750093773-264148664-1320403265-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\634f31be903d4e65ad8b3a0267a3d6c0_JaffaCakes118.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-1750093773-264148664-1320403265-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\Crypted.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-1750093773-264148664-1320403265-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Roaming\Stage1.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Crypted.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Stage2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Stage1.exe | N/A |
| N/A | N/A | C:\Users\Admin\Desktop\MSDCSC\msdcsc.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 |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1750093773-264148664-1320403265-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Desktop\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Roaming\Stage1.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1750093773-264148664-1320403265-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Desktop\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\Desktop\MSDCSC\msdcsc.exe | 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\Desktop\MSDCSC\msdcsc.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\634f31be903d4e65ad8b3a0267a3d6c0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\634f31be903d4e65ad8b3a0267a3d6c0_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\Crypted.exe
"C:\Users\Admin\AppData\Local\Temp\Crypted.exe"
C:\Users\Admin\AppData\Roaming\Stage2.exe
"C:\Users\Admin\AppData\Roaming\Stage2.exe" x -y -oC:\Users\Admin\AppData\Roaming -pxnq8rPMxVI87ciGwWJHxRTy3iauHcIirteOOELv3B5vkS9kJoHBUAahY1dWxj8yA
C:\Users\Admin\AppData\Roaming\Stage1.exe
"C:\Users\Admin\AppData\Roaming\Stage1.exe"
C:\Users\Admin\Desktop\MSDCSC\msdcsc.exe
"C:\Users\Admin\Desktop\MSDCSC\msdcsc.exe"
C:\Windows\SysWOW64\notepad.exe
notepad
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 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | parafron.no-ip.biz | udp |
| IT | 78.159.131.80:100 | parafron.no-ip.biz | tcp |
| US | 8.8.8.8:53 | 64.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| IT | 78.159.131.80:100 | parafron.no-ip.biz | tcp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 40.140.123.92.in-addr.arpa | udp |
| IT | 78.159.131.80:100 | parafron.no-ip.biz | tcp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | parafron.no-ip.biz | udp |
| IT | 78.159.131.80:100 | parafron.no-ip.biz | tcp |
| IT | 78.159.131.80:100 | parafron.no-ip.biz | tcp |
| 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 | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 10.28.171.150.in-addr.arpa | udp |
| IT | 78.159.131.80:100 | parafron.no-ip.biz | tcp |
| US | 8.8.8.8:53 | parafron.no-ip.biz | udp |
| IT | 78.159.131.80:100 | parafron.no-ip.biz | tcp |
Files
C:\Users\Admin\AppData\Local\Temp\Crypted.exe
| MD5 | 2b2da5103459934a48d05b147766718d |
| SHA1 | fe4379b6bee31e3aff9c263cc0020699ac9d0852 |
| SHA256 | 79282f9b6269118fb2c14ab32287a922f836514256fdadaf205ba3efe310722b |
| SHA512 | ddeeba5a582719f0df38f33fc5d9fa3f5e4daed972565cfba191f65d9bc6acbb7ba211bed65b5b60ecf3cf8b0abc2759072571d037cb317194ab91a1689093c9 |
C:\Users\Admin\AppData\Roaming\Stage2.exe
| MD5 | 2799863078b50af5d28e527841961500 |
| SHA1 | b74220f377299e42fcdd2c75ca84343958542720 |
| SHA256 | 41aea843d59ffe60ff22328b740519aad8927fdf39f439ec0424ebb615679c33 |
| SHA512 | bf0685103977c27881cef4abaff777f490349db9ec5bd6f7167f98f390e0baf895af629442c15e0c2578b7b156c772e8ecf8d17917871b06b80828433eb38f14 |
memory/4952-22-0x0000000000400000-0x0000000000443000-memory.dmp
memory/4952-27-0x0000000000400000-0x0000000000443000-memory.dmp
C:\Users\Admin\AppData\Roaming\Stage1.exe
| MD5 | 09bf018f3216c295f4ec053e1a26fd3c |
| SHA1 | e4f6dd527077196369343712afacf05a22bbe318 |
| SHA256 | 3990d8a59a7b3df913936b8243d470e1fde8ff214c130e737a7d045633f5680f |
| SHA512 | f1e4a3b02308b251e5794b225f5ed395466eef7a14f0c41f69a4cf68df95fe89ab146d4fa3a8e922828c897aa86601c510535126f175de44369f7e8ec9879f60 |
memory/4780-30-0x00000000007F0000-0x00000000007F1000-memory.dmp
memory/4780-42-0x0000000000400000-0x00000000004B4000-memory.dmp
memory/3416-44-0x0000000000C40000-0x0000000000C41000-memory.dmp
memory/1056-45-0x0000000000400000-0x00000000004B4000-memory.dmp
memory/1056-47-0x0000000000400000-0x00000000004B4000-memory.dmp
memory/1056-49-0x0000000000400000-0x00000000004B4000-memory.dmp
memory/1056-53-0x0000000000400000-0x00000000004B4000-memory.dmp