Analysis Overview
SHA256
55dcd1490fe7d1f7fb0ada01cc79b3e2b113ac16a5e8d09c926ccb399a0f2f49
Threat Level: Known bad
The file build.exe was found to be: Known bad.
Malicious Activity Summary
Stealerium family
Stealerium
Reads user/profile data of web browsers
Accesses Microsoft Outlook profiles
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
outlook_win_path
Suspicious use of WriteProcessMemory
Checks processor information in registry
outlook_office_path
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-01-28 22:39
Signatures
Stealerium family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-28 22:39
Reported
2024-01-28 22:42
Platform
win10-20231215-en
Max time kernel
149s
Max time network
136s
Command Line
Signatures
Stealerium
Reads user/profile data of web browsers
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2595843030-3811137303-3031389247-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\build.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-2595843030-3811137303-3031389247-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\build.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-2595843030-3811137303-3031389247-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\build.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | discord.com | N/A | N/A |
| N/A | discord.com | N/A | N/A |
| N/A | discord.com | N/A | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | icanhazip.com | N/A | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier | C:\Users\Admin\AppData\Local\Temp\build.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0 | C:\Users\Admin\AppData\Local\Temp\build.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\build.exe | N/A |
| Token: SeSecurityPrivilege | N/A | C:\Windows\system32\msiexec.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\build.exe | N/A |
Suspicious use of WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2595843030-3811137303-3031389247-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\build.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2595843030-3811137303-3031389247-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\build.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\build.exe
"C:\Users\Admin\AppData\Local\Temp\build.exe"
C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
C:\Windows\SysWOW64\chcp.com
chcp 65001
C:\Windows\SysWOW64\netsh.exe
netsh wlan show profile
C:\Windows\SysWOW64\findstr.exe
findstr All
C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid
C:\Windows\SysWOW64\chcp.com
chcp 65001
C:\Windows\SysWOW64\netsh.exe
netsh wlan show networks mode=bssid
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | discord.com | udp |
| US | 162.159.137.232:443 | discord.com | tcp |
| US | 8.8.8.8:53 | 232.137.159.162.in-addr.arpa | udp |
| US | 8.8.8.8:53 | icanhazip.com | udp |
| US | 104.18.115.97:80 | icanhazip.com | tcp |
| US | 8.8.8.8:53 | 173.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.115.18.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | evcs-ocsp.ws.symantec.com | udp |
| US | 152.199.19.74:80 | evcs-ocsp.ws.symantec.com | tcp |
| US | 8.8.8.8:53 | 74.19.199.152.in-addr.arpa | udp |
| US | 104.18.115.97:80 | icanhazip.com | tcp |
| US | 8.8.8.8:53 | api.gofile.io | udp |
| FR | 51.178.66.33:443 | api.gofile.io | tcp |
| US | 8.8.8.8:53 | store19.gofile.io | udp |
| US | 23.158.200.177:443 | store19.gofile.io | tcp |
| US | 8.8.8.8:53 | 33.66.178.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 177.200.158.23.in-addr.arpa | udp |
| US | 104.18.115.97:80 | icanhazip.com | tcp |
| US | 162.159.137.232:443 | discord.com | tcp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.16.208.104.in-addr.arpa | udp |
Files
memory/596-1-0x0000000073570000-0x0000000073C5E000-memory.dmp
memory/596-2-0x0000000004F10000-0x0000000004F76000-memory.dmp
memory/596-0-0x0000000000450000-0x00000000005E2000-memory.dmp
memory/596-3-0x0000000004FD0000-0x0000000004FE0000-memory.dmp
memory/596-7-0x00000000054A0000-0x0000000005532000-memory.dmp
memory/596-8-0x0000000005530000-0x0000000005556000-memory.dmp
memory/596-9-0x0000000005560000-0x0000000005568000-memory.dmp
memory/596-10-0x0000000006420000-0x000000000642A000-memory.dmp
memory/596-11-0x0000000006430000-0x0000000006438000-memory.dmp
memory/596-12-0x0000000006450000-0x000000000646E000-memory.dmp
C:\Users\Admin\AppData\Local\06c89a3f794608476df477732a4003e3\Admin@NGBMWCIY_en-US\Browsers\Firefox\Bookmarks.txt
| MD5 | 2e9d094dda5cdc3ce6519f75943a4ff4 |
| SHA1 | 5d989b4ac8b699781681fe75ed9ef98191a5096c |
| SHA256 | c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142 |
| SHA512 | d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7 |
memory/596-53-0x00000000069E0000-0x0000000006A72000-memory.dmp
memory/596-60-0x00000000073A0000-0x000000000789E000-memory.dmp
C:\Users\Admin\AppData\Local\06c89a3f794608476df477732a4003e3\Admin@NGBMWCIY_en-US\System\Apps.txt
| MD5 | 26d9f9a2a9446c14bf64d28289945b28 |
| SHA1 | 34a66ba4a07194c8bba99964df1dc0e61996afb4 |
| SHA256 | b2b9a40214040e248a11e4b5d9cd8f45d759434a57acdd0a70f70fef95fa7124 |
| SHA512 | 4e38a4a7f5598ecd4aa233749005936c16cb5fc0e0465c4be12bea37e961825c44b07aa2811e321f4dc56bef6a2d7900aab904300d9ed5cf6f6427c8784bafdd |
C:\Users\Admin\AppData\Local\06c89a3f794608476df477732a4003e3\Admin@NGBMWCIY_en-US\System\Process.txt
| MD5 | a8fa5829023eb5c26df7d4c9b2690037 |
| SHA1 | 7319652628f37ba6373bd44d346b5ebb8fc01aca |
| SHA256 | d2628bde1df15a73f40a631d13497e80bc8bfcc9ad8b8afd5044a3abc4ac277d |
| SHA512 | 55a0dd383783c1900c6bfd4379fea36b39a24293a27ce7c47359a6922bb4b0f4eb9ce9bb6f580f03002fc94cf4f601c77f52d7ffbaddbbfa719c7f797ef04c30 |
memory/596-161-0x0000000004FD0000-0x0000000004FE0000-memory.dmp
memory/596-163-0x0000000006490000-0x000000000650A000-memory.dmp
C:\Users\Admin\AppData\Local\06c89a3f794608476df477732a4003e3\Admin@NGBMWCIY_en-US\Directories\Startup.txt
| MD5 | 68c93da4981d591704cea7b71cebfb97 |
| SHA1 | fd0f8d97463cd33892cc828b4ad04e03fc014fa6 |
| SHA256 | 889ed51f9c16a4b989bda57957d3e132b1a9c117ee84e208207f2fa208a59483 |
| SHA512 | 63455c726b55f2d4de87147a75ff04f2daa35278183969ccf185d23707840dd84363bec20d4e8c56252196ce555001ca0e61b3f4887d27577081fdef9e946402 |
C:\Users\Admin\AppData\Local\06c89a3f794608476df477732a4003e3\Admin@NGBMWCIY_en-US\Directories\OneDrive.txt
| MD5 | 966247eb3ee749e21597d73c4176bd52 |
| SHA1 | 1e9e63c2872cef8f015d4b888eb9f81b00a35c79 |
| SHA256 | 8ddfc481b1b6ae30815ecce8a73755862f24b3bb7fdebdbf099e037d53eb082e |
| SHA512 | bd30aec68c070e86e3dec787ed26dd3d6b7d33d83e43cb2d50f9e2cff779fee4c96afbbe170443bd62874073a844beb29a69b10c72c54d7d444a8d86cfd7b5aa |
C:\Users\Admin\AppData\Local\06c89a3f794608476df477732a4003e3\Admin@NGBMWCIY_en-US\System\Debug.txt
| MD5 | f61cdbf5eae36e8855b7bb0019d8fd30 |
| SHA1 | abb53598697976bad9885304ae492e6b590986e6 |
| SHA256 | a94bb049b645b0c98e223daf32f311f5d9f208d43c186c114b950d8039d26ff9 |
| SHA512 | 9bc45937863ec02a0471b80c5c658c461319fb6663b2f172f90c808f508ea0446d289b4b8aafedec016e15b0b2518d2bbda3a947f90f680c3f0d50b099da28b5 |
C:\Users\Admin\AppData\Local\06c89a3f794608476df477732a4003e3\Admin@NGBMWCIY_en-US\System\ProductKey.txt
| MD5 | 71eb5479298c7afc6d126fa04d2a9bde |
| SHA1 | a9b3d5505cf9f84bb6c2be2acece53cb40075113 |
| SHA256 | f6cadfd4e4c25ff3b8cffe54a2af24a757a349abbf4e1142ec4c9789347fe8b3 |
| SHA512 | 7c6687e21d31ec1d6d2eff04b07b465f875fd80df26677f1506b14158444cf55044eb6674880bd5bd44f04ff73023b26cb19b8837427a1d6655c96df52f140bd |
C:\Users\Admin\AppData\Local\06c89a3f794608476df477732a4003e3\Admin@NGBMWCIY_en-US\Directories\Videos.txt
| MD5 | 1fddbf1169b6c75898b86e7e24bc7c1f |
| SHA1 | d2091060cb5191ff70eb99c0088c182e80c20f8c |
| SHA256 | a67aa329b7d878de61671e18cd2f4b011d11cbac67ea779818c6dafad2d70733 |
| SHA512 | 20bfeafde7fec1753fef59de467bd4a3dd7fe627e8c44e95fe62b065a5768c4508e886ec5d898e911a28cf6365f455c9ab1ebe2386d17a76f53037f99061fd4d |
memory/596-232-0x0000000006890000-0x0000000006942000-memory.dmp
memory/596-234-0x00000000028B0000-0x00000000028D2000-memory.dmp
memory/596-235-0x0000000008BA0000-0x0000000008EF0000-memory.dmp
memory/596-237-0x0000000073570000-0x0000000073C5E000-memory.dmp
C:\Users\Admin\AppData\Local\06c89a3f794608476df477732a4003e3\msgid.dat
| MD5 | 71ec63d9b393c9809018fd5e77f6f5d5 |
| SHA1 | 931fffac24d5faaacc5b62517761d5c23c975811 |
| SHA256 | 9280ed6f38680fec5a7126e5990c2610e8b266c3259deabf657da9ddc146f853 |
| SHA512 | a49fb015d3b7e923de18528aea746d25a081ce6055837d1cebf978cd6ae695cba4eb64f1ed1d3241283fd9a3c8630f3858cfdf30d9437d940632a750a0ff3053 |
memory/596-248-0x0000000006FC0000-0x0000000006FCA000-memory.dmp
memory/596-249-0x0000000004FD0000-0x0000000004FE0000-memory.dmp
memory/596-250-0x0000000004FD0000-0x0000000004FE0000-memory.dmp