Analysis Overview
SHA256
fed56117e88f7dd3664190e9dbc2b55411efe9a793aa1a7dac358d7d34f66170
Threat Level: Known bad
The file 08cf2a748bbae2d923864859b7399b72_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Darkcomet family
Darkcomet
Modifies WinLogon for persistence
Drops file in Drivers directory
Loads dropped DLL
Checks computer location settings
Executes dropped EXE
Adds Run key to start application
Suspicious use of SetThreadContext
Enumerates physical storage devices
Unsigned PE
Suspicious use of FindShellTrayWindow
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Modifies registry class
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-20 18:50
Signatures
Darkcomet family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-20 18:50
Reported
2024-06-20 18:52
Platform
win10v2004-20240611-en
Max time kernel
149s
Max time network
150s
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\\AppData\\Local\\Temp\\Dastan\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\08cf2a748bbae2d923864859b7399b72_JaffaCakes118.exe | N/A |
Drops file in Drivers directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\system32\drivers\etc\hosts | C:\Users\Admin\AppData\Local\Temp\08cf2a748bbae2d923864859b7399b72_JaffaCakes118.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\08cf2a748bbae2d923864859b7399b72_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Dastan\msdcsc.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Dastan = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Dastan\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\08cf2a748bbae2d923864859b7399b72_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3528 set thread context of 4392 | N/A | C:\Users\Admin\AppData\Local\Temp\Dastan\msdcsc.exe | C:\Program Files (x86)\Internet Explorer\iexplore.exe |
Enumerates physical storage devices
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\08cf2a748bbae2d923864859b7399b72_JaffaCakes118.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\08cf2a748bbae2d923864859b7399b72_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\08cf2a748bbae2d923864859b7399b72_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\Dastan\msdcsc.exe
"C:\Users\Admin\AppData\Local\Temp\Dastan\msdcsc.exe"
C:\Program Files (x86)\Internet Explorer\iexplore.exe
"C:\Program Files (x86)\Internet Explorer\iexplore.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 |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| IQ | 109.127.94.69:1604 | tcp | |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| IQ | 109.127.94.69:1604 | tcp | |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| IQ | 109.127.94.69:1604 | tcp | |
| US | 8.8.8.8:53 | 211.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| IQ | 109.127.94.69:1604 | tcp | |
| IQ | 109.127.94.69:1604 | tcp | |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| IQ | 109.127.94.69:1604 | tcp | |
| IQ | 109.127.94.69:1604 | tcp | |
| US | 8.8.8.8:53 | 131.72.42.20.in-addr.arpa | udp |
Files
memory/2860-0-0x0000000002260000-0x0000000002261000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\Dastan\msdcsc.exe
| MD5 | 08cf2a748bbae2d923864859b7399b72 |
| SHA1 | 6dbaa83040a728d12a817c74708016f707f7a506 |
| SHA256 | fed56117e88f7dd3664190e9dbc2b55411efe9a793aa1a7dac358d7d34f66170 |
| SHA512 | 6a358f1ff7d3a0263e52a4d5fcff7cb95141a93dbbaf509e9d9d85004ed291fbd4156a18b017d819cd9210c05c3f5ab657d92c6496610220298d11038b4e0e38 |
memory/2860-63-0x0000000000400000-0x00000000004E2000-memory.dmp
memory/3528-64-0x0000000002140000-0x0000000002141000-memory.dmp
memory/4392-65-0x0000000000400000-0x00000000004E2000-memory.dmp
memory/3528-66-0x0000000000400000-0x00000000004E2000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-20 18:50
Reported
2024-06-20 18:53
Platform
win7-20240220-en
Max time kernel
117s
Max time network
118s
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\\AppData\\Local\\Temp\\Dastan\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\08cf2a748bbae2d923864859b7399b72_JaffaCakes118.exe | N/A |
Drops file in Drivers directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\system32\drivers\etc\hosts | C:\Users\Admin\AppData\Local\Temp\08cf2a748bbae2d923864859b7399b72_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Dastan\msdcsc.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\08cf2a748bbae2d923864859b7399b72_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\08cf2a748bbae2d923864859b7399b72_JaffaCakes118.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\Dastan = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Dastan\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\08cf2a748bbae2d923864859b7399b72_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2440 set thread context of 2584 | N/A | C:\Users\Admin\AppData\Local\Temp\Dastan\msdcsc.exe | C:\Program Files (x86)\Internet Explorer\iexplore.exe |
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 WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\08cf2a748bbae2d923864859b7399b72_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\08cf2a748bbae2d923864859b7399b72_JaffaCakes118.exe"
C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
C:\Users\Admin\AppData\Local\Temp\Dastan\msdcsc.exe
"C:\Users\Admin\AppData\Local\Temp\Dastan\msdcsc.exe"
C:\Program Files (x86)\Internet Explorer\iexplore.exe
"C:\Program Files (x86)\Internet Explorer\iexplore.exe"
Network
Files
memory/2252-0-0x00000000003F0000-0x00000000003F1000-memory.dmp
memory/2252-5-0x0000000003F30000-0x0000000003F32000-memory.dmp
memory/2672-6-0x00000000001A0000-0x00000000001A2000-memory.dmp
memory/2672-7-0x00000000002A0000-0x00000000002A1000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\ALI ABDOL MALEKI.JPG
| MD5 | fbafe329b8cd60b05438db46d69b1a1a |
| SHA1 | d2dd1880ffff4c04286c1d5b23f8624af6160683 |
| SHA256 | 1c83b9219123e039507e6e56e56b4496bb440b8199b5ed60ade18cfaeec8849f |
| SHA512 | 83c8fd83a3765d24912e707988c2c0b5418e882cf9b734ddfc915bbe33c5c1e899f2ff84d7901ddd2bdddf26f372354ac153a71051ff729b81964e458b4b9596 |
\Users\Admin\AppData\Local\Temp\Dastan\msdcsc.exe
| MD5 | 08cf2a748bbae2d923864859b7399b72 |
| SHA1 | 6dbaa83040a728d12a817c74708016f707f7a506 |
| SHA256 | fed56117e88f7dd3664190e9dbc2b55411efe9a793aa1a7dac358d7d34f66170 |
| SHA512 | 6a358f1ff7d3a0263e52a4d5fcff7cb95141a93dbbaf509e9d9d85004ed291fbd4156a18b017d819cd9210c05c3f5ab657d92c6496610220298d11038b4e0e38 |
memory/2252-17-0x0000000000400000-0x00000000004E2000-memory.dmp
memory/2440-20-0x0000000000400000-0x00000000004E2000-memory.dmp
memory/2584-19-0x0000000000400000-0x00000000004E2000-memory.dmp
memory/2672-21-0x00000000002A0000-0x00000000002A1000-memory.dmp