Analysis Overview
SHA256
d4f6824fcfac08808c07fdc5127abcb1df78cb6ba4fb4689a56413b24ace19d5
Threat Level: Known bad
The file 1435c8d7a0157784e181d48ea5aa24b3_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Modifies WinLogon for persistence
Windows security bypass
Darkcomet
Modifies security service
Disables Task Manager via registry modification
Disables RegEdit via registry modification
Sets file to hidden
Executes dropped EXE
Loads dropped DLL
Windows security modification
Checks computer location settings
Adds Run key to start application
Unsigned PE
Enumerates physical storage devices
Program crash
Modifies registry class
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Views/modifies file attributes
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-27 01:33
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-27 01:33
Reported
2024-06-27 01:36
Platform
win10v2004-20240611-en
Max time kernel
150s
Max time network
152s
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\\Documents\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\1435c8d7a0157784e181d48ea5aa24b3_JaffaCakes118.exe | N/A |
Modifies security service
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4" | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
Windows security bypass
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
Disables RegEdit via registry modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
Disables Task Manager via registry modification
Sets file to hidden
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\1435c8d7a0157784e181d48ea5aa24b3_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
Windows security modification
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\1435c8d7a0157784e181d48ea5aa24b3_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\Documents\MSDCSC\msdcsc.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 |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ | C:\Users\Admin\AppData\Local\Temp\1435c8d7a0157784e181d48ea5aa24b3_JaffaCakes118.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
Suspicious use of WriteProcessMemory
Views/modifies file attributes
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\1435c8d7a0157784e181d48ea5aa24b3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1435c8d7a0157784e181d48ea5aa24b3_JaffaCakes118.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
C:\Windows\SysWOW64\notepad.exe
notepad
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 4656 -ip 4656
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4656 -s 416
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | aniss1.no-ip.biz | udp |
| US | 8.8.8.8:53 | 82.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | aniss1.no-ip.biz | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | aniss1.no-ip.biz | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | aniss1.no-ip.biz | udp |
| US | 8.8.8.8:53 | aniss1.no-ip.biz | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | aniss1.no-ip.biz | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | aniss1.no-ip.biz | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | aniss1.no-ip.biz | udp |
| US | 8.8.8.8:53 | 107.12.20.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | aniss1.no-ip.biz | udp |
| US | 8.8.8.8:53 | aniss1.no-ip.biz | udp |
| US | 8.8.8.8:53 | aniss1.no-ip.biz | udp |
| US | 8.8.8.8:53 | aniss1.no-ip.biz | udp |
| US | 8.8.8.8:53 | aniss1.no-ip.biz | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | aniss1.no-ip.biz | udp |
| US | 8.8.8.8:53 | aniss1.no-ip.biz | udp |
| US | 8.8.8.8:53 | aniss1.no-ip.biz | udp |
| US | 8.8.8.8:53 | aniss1.no-ip.biz | udp |
| US | 8.8.8.8:53 | aniss1.no-ip.biz | udp |
| US | 8.8.8.8:53 | aniss1.no-ip.biz | udp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | aniss1.no-ip.biz | 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 | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.28.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | aniss1.no-ip.biz | udp |
| US | 8.8.8.8:53 | aniss1.no-ip.biz | udp |
| US | 8.8.8.8:53 | aniss1.no-ip.biz | udp |
| US | 8.8.8.8:53 | aniss1.no-ip.biz | udp |
| US | 8.8.8.8:53 | aniss1.no-ip.biz | udp |
| US | 8.8.8.8:53 | aniss1.no-ip.biz | udp |
| US | 8.8.8.8:53 | aniss1.no-ip.biz | udp |
| US | 8.8.8.8:53 | aniss1.no-ip.biz | udp |
| US | 8.8.8.8:53 | aniss1.no-ip.biz | udp |
| US | 8.8.8.8:53 | aniss1.no-ip.biz | udp |
| US | 8.8.8.8:53 | 28.73.42.20.in-addr.arpa | udp |
Files
memory/3472-0-0x0000000000400000-0x00000000004D4150-memory.dmp
memory/3472-1-0x0000000002500000-0x0000000002501000-memory.dmp
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
| MD5 | 1435c8d7a0157784e181d48ea5aa24b3 |
| SHA1 | dfa8c21ef3373153160a29324073fb9e875dc1fe |
| SHA256 | d4f6824fcfac08808c07fdc5127abcb1df78cb6ba4fb4689a56413b24ace19d5 |
| SHA512 | b92579de58cee65f63066c2891c6aa38151d55f81973a3fff8701f0e94aae8fd14fa0fe652c0de48b1040ba2fc46a0999db6f2a1eede803db63f90f6df482b3e |
memory/1664-63-0x0000000000400000-0x00000000004D4150-memory.dmp
memory/1664-64-0x00000000023F0000-0x00000000023F1000-memory.dmp
memory/4656-65-0x0000000000AA0000-0x0000000000AA1000-memory.dmp
memory/3472-68-0x0000000000400000-0x00000000004D4150-memory.dmp
memory/1664-69-0x0000000000400000-0x00000000004D4150-memory.dmp
memory/1664-70-0x0000000000400000-0x00000000004D4150-memory.dmp
memory/1664-71-0x0000000000400000-0x00000000004D4150-memory.dmp
memory/1664-72-0x0000000000400000-0x00000000004D4150-memory.dmp
memory/1664-73-0x0000000000400000-0x00000000004D4150-memory.dmp
memory/1664-74-0x0000000000400000-0x00000000004D4150-memory.dmp
memory/1664-75-0x0000000000400000-0x00000000004D4150-memory.dmp
memory/1664-76-0x0000000000400000-0x00000000004D4150-memory.dmp
memory/1664-77-0x0000000000400000-0x00000000004D4150-memory.dmp
memory/1664-78-0x0000000000400000-0x00000000004D4150-memory.dmp
memory/1664-79-0x0000000000400000-0x00000000004D4150-memory.dmp
memory/1664-80-0x0000000000400000-0x00000000004D4150-memory.dmp
memory/1664-81-0x0000000000400000-0x00000000004D4150-memory.dmp
memory/1664-82-0x0000000000400000-0x00000000004D4150-memory.dmp
memory/1664-83-0x0000000000400000-0x00000000004D4150-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-27 01:33
Reported
2024-06-27 01:36
Platform
win7-20240419-en
Max time kernel
150s
Max time network
123s
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\\Documents\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\1435c8d7a0157784e181d48ea5aa24b3_JaffaCakes118.exe | N/A |
Modifies security service
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4" | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
Windows security bypass
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
Disables RegEdit via registry modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
Disables Task Manager via registry modification
Sets file to hidden
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1435c8d7a0157784e181d48ea5aa24b3_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1435c8d7a0157784e181d48ea5aa24b3_JaffaCakes118.exe | N/A |
Windows security modification
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\1435c8d7a0157784e181d48ea5aa24b3_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\Documents\MSDCSC\msdcsc.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:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
Suspicious use of WriteProcessMemory
Views/modifies file attributes
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\1435c8d7a0157784e181d48ea5aa24b3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1435c8d7a0157784e181d48ea5aa24b3_JaffaCakes118.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
C:\Windows\SysWOW64\notepad.exe
notepad
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2652 -s 260
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | aniss1.no-ip.biz | udp |
Files
memory/1284-0-0x0000000000400000-0x00000000004D4150-memory.dmp
memory/1284-1-0x0000000000680000-0x0000000000681000-memory.dmp
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
| MD5 | 1435c8d7a0157784e181d48ea5aa24b3 |
| SHA1 | dfa8c21ef3373153160a29324073fb9e875dc1fe |
| SHA256 | d4f6824fcfac08808c07fdc5127abcb1df78cb6ba4fb4689a56413b24ace19d5 |
| SHA512 | b92579de58cee65f63066c2891c6aa38151d55f81973a3fff8701f0e94aae8fd14fa0fe652c0de48b1040ba2fc46a0999db6f2a1eede803db63f90f6df482b3e |
memory/2352-15-0x0000000000400000-0x00000000004D4150-memory.dmp
memory/1284-14-0x0000000004220000-0x00000000042F5000-memory.dmp
memory/1284-13-0x0000000004220000-0x00000000042F5000-memory.dmp
memory/2652-17-0x0000000000080000-0x0000000000081000-memory.dmp
memory/2652-55-0x00000000001C0000-0x00000000001C1000-memory.dmp
memory/1284-56-0x0000000000400000-0x00000000004D4150-memory.dmp
memory/2352-57-0x0000000000400000-0x00000000004D4150-memory.dmp
memory/2352-58-0x0000000000400000-0x00000000004D4150-memory.dmp
memory/2352-59-0x0000000000400000-0x00000000004D4150-memory.dmp
memory/2352-60-0x0000000000400000-0x00000000004D4150-memory.dmp
memory/2352-61-0x0000000000400000-0x00000000004D4150-memory.dmp
memory/2352-62-0x0000000000400000-0x00000000004D4150-memory.dmp
memory/2352-63-0x0000000000400000-0x00000000004D4150-memory.dmp
memory/2352-64-0x0000000000400000-0x00000000004D4150-memory.dmp
memory/2352-65-0x0000000000400000-0x00000000004D4150-memory.dmp
memory/2352-66-0x0000000000400000-0x00000000004D4150-memory.dmp
memory/2352-67-0x0000000000400000-0x00000000004D4150-memory.dmp
memory/2352-68-0x0000000000400000-0x00000000004D4150-memory.dmp
memory/2352-69-0x0000000000400000-0x00000000004D4150-memory.dmp
memory/2352-70-0x0000000000400000-0x00000000004D4150-memory.dmp