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
Looks up external IP address via web service
Accesses Microsoft Outlook profiles
Legitimate hosting services abused for malware hosting/C2
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
outlook_office_path
outlook_win_path
Checks processor information in registry
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-01-28 22:40
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 22:40
Reported
2024-01-28 22:43
Platform
win10-20231215-en
Max time kernel
149s
Max time network
142s
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\15.0\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\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 |
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 opened | \REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0 | C:\Users\Admin\AppData\Local\Temp\build.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier | 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\findstr.exe
findstr All
C:\Windows\SysWOW64\netsh.exe
netsh wlan show profile
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 | 162.159.128.233:443 | discord.com | tcp |
| US | 8.8.8.8:53 | 233.128.159.162.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 | 97.115.18.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.178.17.96.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 | 104.18.115.97:80 | icanhazip.com | tcp |
| US | 8.8.8.8:53 | 74.19.199.152.in-addr.arpa | udp |
| 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 | 33.66.178.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | store15.gofile.io | udp |
| FR | 45.112.123.226:443 | store15.gofile.io | tcp |
| US | 8.8.8.8:53 | 226.123.112.45.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 178.223.142.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 16.234.44.23.in-addr.arpa | udp |
| US | 104.18.115.97:80 | icanhazip.com | tcp |
| US | 162.159.128.233:443 | discord.com | tcp |
| US | 8.8.8.8:53 | 81.171.91.138.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 123.10.44.20.in-addr.arpa | udp |
Files
memory/3148-0-0x0000000000630000-0x00000000007C2000-memory.dmp
memory/3148-1-0x00000000737B0000-0x0000000073E9E000-memory.dmp
memory/3148-2-0x0000000004FE0000-0x0000000005046000-memory.dmp
memory/3148-3-0x0000000005150000-0x0000000005160000-memory.dmp
memory/3148-7-0x0000000005680000-0x0000000005712000-memory.dmp
memory/3148-8-0x0000000005710000-0x0000000005736000-memory.dmp
memory/3148-9-0x0000000005740000-0x0000000005748000-memory.dmp
memory/3148-10-0x0000000006600000-0x000000000660A000-memory.dmp
memory/3148-11-0x0000000006610000-0x0000000006618000-memory.dmp
memory/3148-12-0x0000000006630000-0x000000000664E000-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/3148-53-0x0000000006EE0000-0x0000000006F72000-memory.dmp
memory/3148-59-0x0000000007580000-0x0000000007A7E000-memory.dmp
C:\Users\Admin\AppData\Local\06c89a3f794608476df477732a4003e3\Admin@NGBMWCIY_en-US\System\Process.txt
| MD5 | 6ad09a68061fe6c006b925669cf4b139 |
| SHA1 | 2c5adb0fb5918b688b8fb4f21d384e4bb45f81a7 |
| SHA256 | af7de6b871d95011680db18e0c3a40afb8ccacde5a0ffb301bde7d116b99b4b5 |
| SHA512 | c6ee7fee697b19b675fce2d41dd612cd513e2511fbf7f1b2f552b57b462fbbc41896cad01eee2ccd966cd86d47765607281d39a3b8499b9c7da4d8c2dedb2310 |
memory/3148-138-0x0000000005150000-0x0000000005160000-memory.dmp
C:\Users\Admin\AppData\Local\06c89a3f794608476df477732a4003e3\Admin@NGBMWCIY_en-US\System\Apps.txt
| MD5 | 26d9f9a2a9446c14bf64d28289945b28 |
| SHA1 | 34a66ba4a07194c8bba99964df1dc0e61996afb4 |
| SHA256 | b2b9a40214040e248a11e4b5d9cd8f45d759434a57acdd0a70f70fef95fa7124 |
| SHA512 | 4e38a4a7f5598ecd4aa233749005936c16cb5fc0e0465c4be12bea37e961825c44b07aa2811e321f4dc56bef6a2d7900aab904300d9ed5cf6f6427c8784bafdd |
memory/3148-164-0x0000000006850000-0x00000000068CA000-memory.dmp
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\Directories\Startup.txt
| MD5 | 68c93da4981d591704cea7b71cebfb97 |
| SHA1 | fd0f8d97463cd33892cc828b4ad04e03fc014fa6 |
| SHA256 | 889ed51f9c16a4b989bda57957d3e132b1a9c117ee84e208207f2fa208a59483 |
| SHA512 | 63455c726b55f2d4de87147a75ff04f2daa35278183969ccf185d23707840dd84363bec20d4e8c56252196ce555001ca0e61b3f4887d27577081fdef9e946402 |
C:\Users\Admin\AppData\Local\06c89a3f794608476df477732a4003e3\Admin@NGBMWCIY_en-US\Directories\Videos.txt
| MD5 | 1fddbf1169b6c75898b86e7e24bc7c1f |
| SHA1 | d2091060cb5191ff70eb99c0088c182e80c20f8c |
| SHA256 | a67aa329b7d878de61671e18cd2f4b011d11cbac67ea779818c6dafad2d70733 |
| SHA512 | 20bfeafde7fec1753fef59de467bd4a3dd7fe627e8c44e95fe62b065a5768c4508e886ec5d898e911a28cf6365f455c9ab1ebe2386d17a76f53037f99061fd4d |
C:\Users\Admin\AppData\Local\06c89a3f794608476df477732a4003e3\Admin@NGBMWCIY_en-US\System\Debug.txt
| MD5 | 35d21a27e2f381f14fc55cf32a27233c |
| SHA1 | 1643fe84a23dc8b3321c121dc57820607e97aa82 |
| SHA256 | 420f90eae4d9cdc784828e06122a005c31b4cd58be9e514da7f24a68ad0b9c74 |
| SHA512 | 464ef7b05e00f25942de3bfe092fc90be6f96193de200089d92c4c30abf4d0aef086e82d40d9187244e02977ff6d0147f916f7d2ca258ff4faca2dc1f299357d |
C:\Users\Admin\AppData\Local\06c89a3f794608476df477732a4003e3\Admin@NGBMWCIY_en-US\System\ProductKey.txt
| MD5 | 71eb5479298c7afc6d126fa04d2a9bde |
| SHA1 | a9b3d5505cf9f84bb6c2be2acece53cb40075113 |
| SHA256 | f6cadfd4e4c25ff3b8cffe54a2af24a757a349abbf4e1142ec4c9789347fe8b3 |
| SHA512 | 7c6687e21d31ec1d6d2eff04b07b465f875fd80df26677f1506b14158444cf55044eb6674880bd5bd44f04ff73023b26cb19b8837427a1d6655c96df52f140bd |
memory/3148-233-0x0000000007080000-0x0000000007132000-memory.dmp
memory/3148-235-0x0000000004AF0000-0x0000000004B12000-memory.dmp
memory/3148-236-0x0000000008C80000-0x0000000008FD0000-memory.dmp
memory/3148-248-0x0000000006A40000-0x0000000006A4A000-memory.dmp
C:\Users\Admin\AppData\Local\06c89a3f794608476df477732a4003e3\msgid.dat
| MD5 | d3c95d5eedf09ce409c4b5da5c18a9c8 |
| SHA1 | 81280bc07fefbf482970701d7f6c9a4786b0e5b2 |
| SHA256 | 0ab1d4a3151465dfd385fb065ade21fdf7539c73286e367b39d83905877ce763 |
| SHA512 | 92e4a952ac9f114e32ef41906e83f5d59b52b93d399e0aefe2a6e548bcd2703d31ee2c13db9fd68d5a0462629b9a6dd8d78680fce73fae08bdbd484b258a8215 |
memory/3148-249-0x00000000737B0000-0x0000000073E9E000-memory.dmp
memory/3148-250-0x0000000005150000-0x0000000005160000-memory.dmp
memory/3148-251-0x0000000005150000-0x0000000005160000-memory.dmp