Analysis Overview
SHA256
37f9cee4a060f3a0db69833344d590afe89e745cb1a0d5f669ac72cb8fb6e030
Threat Level: Known bad
The file 13d24c688ccb4dcb94b3938e703c1214_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Darkcomet
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
UPX packed file
Adds Run key to start application
Suspicious use of SetThreadContext
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-26 23:07
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-26 23:07
Reported
2024-06-26 23:09
Platform
win10v2004-20240508-en
Max time kernel
150s
Max time network
147s
Command Line
Signatures
Darkcomet
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\13d24c688ccb4dcb94b3938e703c1214_JaffaCakes118.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\webengine.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\webengine.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\MSBuild.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 |
| N/A | N/A | N/A | N/A |
| 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-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microsoft® Windows® Operating System = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\webengine.exe" | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\webengine.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4812 set thread context of 212 | N/A | C:\Users\Admin\AppData\Local\Temp\13d24c688ccb4dcb94b3938e703c1214_JaffaCakes118.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe |
| PID 2972 set thread context of 5088 | N/A | C:\Users\Admin\AppData\Local\Temp\MSBuild.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\13d24c688ccb4dcb94b3938e703c1214_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\13d24c688ccb4dcb94b3938e703c1214_JaffaCakes118.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\webengine.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\webengine.exe"
C:\Users\Admin\AppData\Local\Temp\MSBuild.exe
"C:\Users\Admin\AppData\Local\Temp\MSBuild.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.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 --field-trial-handle=4436,i,7012731823941922179,12386606396608877869,262144 --variations-seed-version --mojo-platform-channel-handle=3660 /prefetch:8
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 | b6x.no-ip.biz | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | b6x.no-ip.biz | udp |
| US | 8.8.8.8:53 | b6x.no-ip.biz | udp |
| US | 8.8.8.8:53 | b6x.no-ip.biz | udp |
| US | 8.8.8.8:53 | b6x.no-ip.biz | udp |
| US | 8.8.8.8:53 | b6x.no-ip.biz | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | b6x.no-ip.biz | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 35.15.31.184.in-addr.arpa | udp |
| US | 8.8.8.8:53 | b6x.no-ip.biz | udp |
| US | 8.8.8.8:53 | b6x.no-ip.biz | udp |
| US | 8.8.8.8:53 | b6x.no-ip.biz | udp |
| US | 8.8.8.8:53 | b6x.no-ip.biz | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | b6x.no-ip.biz | udp |
| US | 8.8.8.8:53 | b6x.no-ip.biz | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | b6x.no-ip.biz | udp |
| US | 8.8.8.8:53 | b6x.no-ip.biz | udp |
| US | 8.8.8.8:53 | b6x.no-ip.biz | udp |
| US | 8.8.8.8:53 | b6x.no-ip.biz | udp |
| US | 8.8.8.8:53 | b6x.no-ip.biz | udp |
| US | 8.8.8.8:53 | b6x.no-ip.biz | udp |
| US | 8.8.8.8:53 | b6x.no-ip.biz | udp |
| US | 8.8.8.8:53 | b6x.no-ip.biz | udp |
| US | 8.8.8.8:53 | b6x.no-ip.biz | udp |
| US | 8.8.8.8:53 | b6x.no-ip.biz | udp |
| US | 8.8.8.8:53 | b6x.no-ip.biz | udp |
| US | 8.8.8.8:53 | b6x.no-ip.biz | udp |
| US | 8.8.8.8:53 | b6x.no-ip.biz | udp |
| US | 8.8.8.8:53 | b6x.no-ip.biz | udp |
| US | 8.8.8.8:53 | b6x.no-ip.biz | udp |
| US | 8.8.8.8:53 | b6x.no-ip.biz | udp |
| US | 8.8.8.8:53 | b6x.no-ip.biz | udp |
Files
memory/4812-0-0x0000000075542000-0x0000000075543000-memory.dmp
memory/4812-1-0x0000000075540000-0x0000000075AF1000-memory.dmp
memory/4812-2-0x0000000075540000-0x0000000075AF1000-memory.dmp
memory/212-7-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/212-8-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/212-11-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/212-10-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/212-9-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/212-12-0x00000000022D0000-0x00000000022D1000-memory.dmp
memory/212-13-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/212-14-0x0000000000400000-0x00000000004B5000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\webengine.exe
| MD5 | 5a19da48df184cd3bdbb514a3ef479ce |
| SHA1 | 64854ac93e3d399bf75cad4c83bca183528b60c1 |
| SHA256 | 831ba43d7f75aea5f825767cfab7ca2bce044b920db0dbc7b07f28614270dde7 |
| SHA512 | cf50f3b57135e6c2ef1efec00a89b2ca2d443daf7de2faee30fd80776ccca4e7535f11777e1339e97932387a948b58ca5a5e55269421729da2a624c5e51f0fac |
memory/4516-25-0x0000000075542000-0x0000000075543000-memory.dmp
memory/4516-26-0x0000000075540000-0x0000000075AF1000-memory.dmp
memory/4516-27-0x0000000075540000-0x0000000075AF1000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\MSBuild.exe
| MD5 | 13d24c688ccb4dcb94b3938e703c1214 |
| SHA1 | ea5184bbded2ed09a0e1a0c1a6782dc036c5af41 |
| SHA256 | 37f9cee4a060f3a0db69833344d590afe89e745cb1a0d5f669ac72cb8fb6e030 |
| SHA512 | cb4f148bc0477c24d24f147f3b313470a59c46af1fe25a1706a34ca39eb060038c63140c22d20b4d1d28f71b54ebd2e7285487049106c6cffcfa193058fa452a |
memory/4812-35-0x0000000075540000-0x0000000075AF1000-memory.dmp
memory/4812-36-0x0000000075542000-0x0000000075543000-memory.dmp
memory/4812-37-0x0000000075540000-0x0000000075AF1000-memory.dmp
memory/4516-38-0x0000000075542000-0x0000000075543000-memory.dmp
memory/4516-39-0x0000000075540000-0x0000000075AF1000-memory.dmp
memory/4516-40-0x0000000075540000-0x0000000075AF1000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-26 23:07
Reported
2024-06-26 23:09
Platform
win7-20240611-en
Max time kernel
150s
Max time network
150s
Command Line
Signatures
Darkcomet
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\webengine.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\MSBuild.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\13d24c688ccb4dcb94b3938e703c1214_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\webengine.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 |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| 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-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Windows\CurrentVersion\Run\Microsoft® Windows® Operating System = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\webengine.exe" | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\webengine.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2328 set thread context of 1784 | N/A | C:\Users\Admin\AppData\Local\Temp\13d24c688ccb4dcb94b3938e703c1214_JaffaCakes118.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe |
| PID 2584 set thread context of 2552 | N/A | C:\Users\Admin\AppData\Local\Temp\MSBuild.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\13d24c688ccb4dcb94b3938e703c1214_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\13d24c688ccb4dcb94b3938e703c1214_JaffaCakes118.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\webengine.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\webengine.exe"
C:\Users\Admin\AppData\Local\Temp\MSBuild.exe
"C:\Users\Admin\AppData\Local\Temp\MSBuild.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | b6x.no-ip.biz | udp |
Files
memory/2328-0-0x0000000074261000-0x0000000074262000-memory.dmp
memory/2328-1-0x0000000074260000-0x000000007480B000-memory.dmp
memory/2328-2-0x0000000074260000-0x000000007480B000-memory.dmp
memory/1784-7-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/1784-9-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/1784-15-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/1784-11-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/1784-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/1784-16-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/1784-17-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/1784-19-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/1784-21-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/1784-20-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/1784-23-0x0000000000400000-0x00000000004B5000-memory.dmp
\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\webengine.exe
| MD5 | 5a19da48df184cd3bdbb514a3ef479ce |
| SHA1 | 64854ac93e3d399bf75cad4c83bca183528b60c1 |
| SHA256 | 831ba43d7f75aea5f825767cfab7ca2bce044b920db0dbc7b07f28614270dde7 |
| SHA512 | cf50f3b57135e6c2ef1efec00a89b2ca2d443daf7de2faee30fd80776ccca4e7535f11777e1339e97932387a948b58ca5a5e55269421729da2a624c5e51f0fac |
memory/1784-29-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/1784-30-0x0000000000400000-0x00000000004B5000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\MSBuild.exe
| MD5 | 13d24c688ccb4dcb94b3938e703c1214 |
| SHA1 | ea5184bbded2ed09a0e1a0c1a6782dc036c5af41 |
| SHA256 | 37f9cee4a060f3a0db69833344d590afe89e745cb1a0d5f669ac72cb8fb6e030 |
| SHA512 | cb4f148bc0477c24d24f147f3b313470a59c46af1fe25a1706a34ca39eb060038c63140c22d20b4d1d28f71b54ebd2e7285487049106c6cffcfa193058fa452a |
memory/2328-45-0x0000000074260000-0x000000007480B000-memory.dmp
memory/2328-46-0x0000000074260000-0x000000007480B000-memory.dmp
memory/1784-47-0x0000000000400000-0x00000000004B5000-memory.dmp