Analysis Overview
SHA256
0fe68b8689e8d8439ae48b39dc96d6ab178e2a68c83a5cdfe577eb9d3b9537d2
Threat Level: Known bad
The file stub.exe was found to be: Known bad.
Malicious Activity Summary
Stealerium
Stealerium family
Checks computer location settings
Legitimate hosting services abused for malware hosting/C2
Enumerates physical storage devices
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Delays execution with timeout.exe
Kills process with taskkill
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-11-17 05:01
Signatures
Stealerium family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-11-17 05:01
Reported
2023-11-17 05:33
Platform
win10v2004-20231020-en
Max time kernel
1747s
Max time network
1159s
Command Line
Signatures
Stealerium
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\stub.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
Enumerates physical storage devices
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\timeout.exe | N/A |
Kills process with taskkill
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\taskkill.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\stub.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\stub.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\taskkill.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\stub.exe
"C:\Users\Admin\AppData\Local\Temp\stub.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmpC0EE.tmp.bat
C:\Windows\SysWOW64\chcp.com
chcp 65001
C:\Windows\SysWOW64\taskkill.exe
TaskKill /F /IM 2676
C:\Windows\SysWOW64\timeout.exe
Timeout /T 2 /Nobreak
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 64.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 122.175.53.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 146.78.124.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 39.142.81.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | discord.com | udp |
| US | 162.159.135.232:443 | discord.com | tcp |
| US | 8.8.8.8:53 | 232.135.159.162.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| IE | 52.111.236.23:443 | tcp | |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.173.189.20.in-addr.arpa | udp |
Files
memory/2676-0-0x0000000074580000-0x0000000074D30000-memory.dmp
memory/2676-1-0x00000000006D0000-0x0000000000866000-memory.dmp
memory/2676-2-0x0000000005220000-0x0000000005286000-memory.dmp
memory/2676-3-0x0000000002C70000-0x0000000002C80000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmpC0EE.tmp.bat
| MD5 | 443a56f6e22108cd36332eb08811308f |
| SHA1 | f31f1508879b28eab4ba701bf16c297f38ccae5a |
| SHA256 | d5a2144dd696778a1e02ba5915e46f9e7dcaab4870ea2348b8870c9c9da38999 |
| SHA512 | 6c1c0f008434ea45db1098f5e9f167843db3956f4fa4556020e4fe6bfdc95a0167503be680fa2153ff9a311c4d75b522bfd368e0f310a8217b77673570bfa39f |
memory/2676-10-0x0000000074580000-0x0000000074D30000-memory.dmp