Analysis Overview
SHA256
31aa89575ec425905dc0c6da6338cd805104648788c49e5468643fc05337aea2
Threat Level: Known bad
The file 01a7f3a4a6d130e6a0ff11d37f6a4ebc_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Modifies WinLogon for persistence
Darkcomet
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
Adds Run key to start application
Suspicious use of SetThreadContext
Enumerates physical storage devices
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-20 01:16
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-20 01:16
Reported
2024-06-20 01:19
Platform
win7-20240508-en
Max time kernel
150s
Max time network
124s
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\01a7f3a4a6d130e6a0ff11d37f6a4ebc_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
| 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\01a7f3a4a6d130e6a0ff11d37f6a4ebc_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\01a7f3a4a6d130e6a0ff11d37f6a4ebc_JaffaCakes118.exe | N/A |
| N/A | N/A | 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-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\01a7f3a4a6d130e6a0ff11d37f6a4ebc_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1936 set thread context of 1996 | N/A | C:\Users\Admin\AppData\Local\Temp\01a7f3a4a6d130e6a0ff11d37f6a4ebc_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\01a7f3a4a6d130e6a0ff11d37f6a4ebc_JaffaCakes118.exe |
| PID 2560 set thread context of 2488 | N/A | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe |
Enumerates physical storage devices
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
Processes
C:\Users\Admin\AppData\Local\Temp\01a7f3a4a6d130e6a0ff11d37f6a4ebc_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\01a7f3a4a6d130e6a0ff11d37f6a4ebc_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\01a7f3a4a6d130e6a0ff11d37f6a4ebc_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\01a7f3a4a6d130e6a0ff11d37f6a4ebc_JaffaCakes118.exe
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | sepeti.zapto.org | udp |
Files
memory/1936-0-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/1996-1-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/1996-11-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/1936-20-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/1996-19-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/1996-18-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/1936-17-0x0000000000220000-0x00000000002D7000-memory.dmp
memory/1996-15-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/1996-13-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/1996-9-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/1996-7-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/1996-5-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/1996-3-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/1996-22-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/1996-23-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/1996-21-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2560-36-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/1996-34-0x0000000000400000-0x00000000004B5000-memory.dmp
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
| MD5 | 01a7f3a4a6d130e6a0ff11d37f6a4ebc |
| SHA1 | e11bc9a1e7db0da48e957b70bdaf51728953c078 |
| SHA256 | 31aa89575ec425905dc0c6da6338cd805104648788c49e5468643fc05337aea2 |
| SHA512 | 3500d75773bb55dbad2926d858d6c953963f755d505e815aaa05c7ee8615d27788c0a01a2d98557ab5919347f76671056e443dd56c0439616087795a7df2843c |
memory/2560-58-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2488-60-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2488-59-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2488-61-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2488-63-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2488-62-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2488-64-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2488-65-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2488-66-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2488-67-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2488-68-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2488-69-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2488-70-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2488-71-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2488-72-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2488-73-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2488-74-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2488-75-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2488-76-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2488-77-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2488-78-0x0000000000400000-0x00000000004B5000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-20 01:16
Reported
2024-06-20 01:19
Platform
win10v2004-20240226-en
Max time kernel
157s
Max time network
162s
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\01a7f3a4a6d130e6a0ff11d37f6a4ebc_JaffaCakes118.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\01a7f3a4a6d130e6a0ff11d37f6a4ebc_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
| N/A | N/A | 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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\01a7f3a4a6d130e6a0ff11d37f6a4ebc_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4752 set thread context of 3116 | N/A | C:\Users\Admin\AppData\Local\Temp\01a7f3a4a6d130e6a0ff11d37f6a4ebc_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\01a7f3a4a6d130e6a0ff11d37f6a4ebc_JaffaCakes118.exe |
| PID 4732 set thread context of 3000 | N/A | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe |
Enumerates physical storage devices
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
Processes
C:\Users\Admin\AppData\Local\Temp\01a7f3a4a6d130e6a0ff11d37f6a4ebc_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\01a7f3a4a6d130e6a0ff11d37f6a4ebc_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\01a7f3a4a6d130e6a0ff11d37f6a4ebc_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\01a7f3a4a6d130e6a0ff11d37f6a4ebc_JaffaCakes118.exe
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
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 --no-appcompat-clear --mojo-platform-channel-handle=4172 --field-trial-handle=2264,i,15001568551143786084,90255922961447677,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | sepeti.zapto.org | udp |
| US | 8.8.8.8:53 | sepeti.zapto.org | udp |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | sepeti.zapto.org | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 13.107.246.64:443 | tcp | |
| US | 8.8.8.8:53 | sepeti.zapto.org | udp |
| US | 8.8.8.8:53 | sepeti.zapto.org | udp |
| US | 8.8.8.8:53 | sepeti.zapto.org | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | sepeti.zapto.org | udp |
| US | 8.8.8.8:53 | sepeti.zapto.org | udp |
| US | 8.8.8.8:53 | sepeti.zapto.org | udp |
| US | 8.8.8.8:53 | sepeti.zapto.org | udp |
| US | 8.8.8.8:53 | sepeti.zapto.org | udp |
| US | 8.8.8.8:53 | sepeti.zapto.org | udp |
| US | 8.8.8.8:53 | sepeti.zapto.org | udp |
| US | 8.8.8.8:53 | sepeti.zapto.org | udp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | sepeti.zapto.org | udp |
| US | 8.8.8.8:53 | 2.36.159.162.in-addr.arpa | udp |
| US | 8.8.8.8:53 | sepeti.zapto.org | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | sepeti.zapto.org | udp |
| US | 8.8.8.8:53 | 6.d.a.8.b.e.f.b.0.0.0.0.0.0.0.0.4.0.0.a.0.0.1.f.1.1.1.0.1.0.a.2.ip6.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | sepeti.zapto.org | udp |
| US | 8.8.8.8:53 | sepeti.zapto.org | udp |
| US | 8.8.8.8:53 | sepeti.zapto.org | udp |
| US | 8.8.8.8:53 | sepeti.zapto.org | udp |
| US | 8.8.8.8:53 | sepeti.zapto.org | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | sepeti.zapto.org | udp |
| US | 8.8.8.8:53 | 82.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | sepeti.zapto.org | udp |
| US | 8.8.8.8:53 | sepeti.zapto.org | udp |
| US | 8.8.8.8:53 | 31.73.42.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | sepeti.zapto.org | udp |
| US | 8.8.8.8:53 | sepeti.zapto.org | udp |
| US | 8.8.8.8:53 | 82.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | sepeti.zapto.org | udp |
Files
memory/4752-0-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/3116-1-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/3116-2-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/4752-3-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/3116-4-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/3116-5-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/3116-6-0x0000000000400000-0x00000000004B5000-memory.dmp
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
| MD5 | 01a7f3a4a6d130e6a0ff11d37f6a4ebc |
| SHA1 | e11bc9a1e7db0da48e957b70bdaf51728953c078 |
| SHA256 | 31aa89575ec425905dc0c6da6338cd805104648788c49e5468643fc05337aea2 |
| SHA512 | 3500d75773bb55dbad2926d858d6c953963f755d505e815aaa05c7ee8615d27788c0a01a2d98557ab5919347f76671056e443dd56c0439616087795a7df2843c |
memory/4732-19-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/3116-20-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/4732-25-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/3000-26-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/3000-27-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/3000-28-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/3000-29-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/3000-30-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/3000-31-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/3000-32-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/3000-33-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/3000-34-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/3000-35-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/3000-36-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/3000-37-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/3000-38-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/3000-39-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/3000-40-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/3000-41-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/3000-42-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/3000-43-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/3000-44-0x0000000000400000-0x00000000004B5000-memory.dmp