Analysis Overview
SHA256
0d1277800ce70608ae6223a3361f709c7c68743178ca51fe3a2409a610c76de5
Threat Level: Known bad
The file wininit.exe was found to be: Known bad.
Malicious Activity Summary
Remcos
Drops startup file
Executes dropped EXE
AutoIT Executable
Suspicious use of SetThreadContext
Unsigned PE
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of FindShellTrayWindow
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-04-09 07:20
Signatures
AutoIT Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-09 07:20
Reported
2024-04-09 07:23
Platform
win10v2004-20240226-en
Max time kernel
149s
Max time network
155s
Command Line
Signatures
Remcos
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\word.vbs | C:\Users\Admin\AppData\Local\directory\word.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\directory\word.exe | N/A |
AutoIT Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3316 set thread context of 3388 | N/A | C:\Users\Admin\AppData\Local\directory\word.exe | C:\Windows\SysWOW64\svchost.exe |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\directory\word.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\wininit.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\wininit.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\directory\word.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\directory\word.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\wininit.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\wininit.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\directory\word.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\directory\word.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4808 wrote to memory of 3316 | N/A | C:\Users\Admin\AppData\Local\Temp\wininit.exe | C:\Users\Admin\AppData\Local\directory\word.exe |
| PID 4808 wrote to memory of 3316 | N/A | C:\Users\Admin\AppData\Local\Temp\wininit.exe | C:\Users\Admin\AppData\Local\directory\word.exe |
| PID 4808 wrote to memory of 3316 | N/A | C:\Users\Admin\AppData\Local\Temp\wininit.exe | C:\Users\Admin\AppData\Local\directory\word.exe |
| PID 3316 wrote to memory of 3388 | N/A | C:\Users\Admin\AppData\Local\directory\word.exe | C:\Windows\SysWOW64\svchost.exe |
| PID 3316 wrote to memory of 3388 | N/A | C:\Users\Admin\AppData\Local\directory\word.exe | C:\Windows\SysWOW64\svchost.exe |
| PID 3316 wrote to memory of 3388 | N/A | C:\Users\Admin\AppData\Local\directory\word.exe | C:\Windows\SysWOW64\svchost.exe |
| PID 3316 wrote to memory of 3388 | N/A | C:\Users\Admin\AppData\Local\directory\word.exe | C:\Windows\SysWOW64\svchost.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\wininit.exe
"C:\Users\Admin\AppData\Local\Temp\wininit.exe"
C:\Users\Admin\AppData\Local\directory\word.exe
"C:\Users\Admin\AppData\Local\Temp\wininit.exe"
C:\Windows\SysWOW64\svchost.exe
"C:\Users\Admin\AppData\Local\Temp\wininit.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=1404 --field-trial-handle=2256,i,6670388345726423024,18382795228658886258,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 69.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 20.231.121.79:80 | tcp | |
| US | 8.8.8.8:53 | shgoini.com | udp |
| US | 107.175.229.143:30902 | shgoini.com | tcp |
| US | 8.8.8.8:53 | 143.229.175.107.in-addr.arpa | udp |
| US | 8.8.8.8:53 | geoplugin.net | udp |
| NL | 178.237.33.50:80 | geoplugin.net | tcp |
| US | 8.8.8.8:53 | 50.33.237.178.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 24.139.73.23.in-addr.arpa | udp |
| US | 107.175.229.143:30902 | shgoini.com | tcp |
| US | 107.175.229.143:30902 | shgoini.com | tcp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | chromewebstore.googleapis.com | udp |
| US | 8.8.8.8:53 | chromewebstore.googleapis.com | udp |
| US | 8.8.8.8:53 | chromewebstore.googleapis.com | udp |
| GB | 142.250.187.234:443 | chromewebstore.googleapis.com | tcp |
| US | 8.8.8.8:53 | 234.187.250.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 136.136.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 59.189.79.40.in-addr.arpa | udp |
Files
memory/4808-10-0x0000000000BF0000-0x0000000000BF4000-memory.dmp
C:\Users\Admin\AppData\Local\directory\word.exe
| MD5 | febfee4d1d6e1e9b755525d605f91598 |
| SHA1 | 61dafd5a13cd5742b5ed3727f70a1a3b566a7fe0 |
| SHA256 | d14cb6f009e28fea983cd5af5c28869cee01762d60e6716004b7abcefdda8a21 |
| SHA512 | 4a3f01346bd1ab0c2c8cd4c96e25ee7af424b3c0895ae5a99d6a2b94013c6cacc671736b413c621d1902dd307a9fe5198f501f07e71c373376a638d0c8d1a398 |
C:\Users\Admin\AppData\Local\Temp\croc
| MD5 | ceea497fc0601e397a9b0dba479b6ad3 |
| SHA1 | b791fd1115d9517d7e9cb9a987db2307aa900f67 |
| SHA256 | a17f87f849572c5977fa38198d6697a248424f2559aed98136834e188ac2d3f2 |
| SHA512 | 702cff5d69b609e25d75545f58352aecf7ed28730c012f3a4ce6113842ebcda3308bc05e7658c27a260dec0bebaf25cad2bda1bff476aa79b2bb0ed4ad561858 |
C:\Users\Admin\AppData\Local\Temp\Maianthemum
| MD5 | 1680954b249062aa27483ac80d9d2016 |
| SHA1 | acb196e38638fa7332a450b8ed9c127f1d56acff |
| SHA256 | 3614592179f15f4bc0cba05bac8e9dd7e545e6f623bd71b841aaa665f82b16cb |
| SHA512 | 9c94ec10f0577953a6bbc994b1339d9e414622efd07e4a61f31c5213f588d7327bd772c225a7a127736b721ec026ff836cf4167f9467dbf6df819bdec6e2ed93 |
memory/3388-28-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3388-29-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3388-30-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3388-31-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3388-32-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3388-33-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3388-34-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3388-35-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3388-36-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3388-38-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3388-39-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3388-40-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3388-41-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3388-42-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3388-43-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3388-44-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3388-45-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3388-46-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3388-47-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3388-48-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3388-49-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3388-50-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3388-51-0x0000000000400000-0x0000000000482000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-09 07:20
Reported
2024-04-09 07:23
Platform
win7-20240221-en
Max time kernel
118s
Max time network
122s
Command Line
Signatures
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\wininit.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\wininit.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\wininit.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\wininit.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\wininit.exe
"C:\Users\Admin\AppData\Local\Temp\wininit.exe"
Network
Files
memory/1152-10-0x0000000000130000-0x0000000000134000-memory.dmp