Analysis Overview
SHA256
bb3218efb8f2bc82f36daf9a67e97d6238960fca092e5a1a01a221f9b57895d2
Threat Level: Known bad
The file bb3218efb8f2bc82f36daf9a67e97d6238960fca092e5a1a01a221f9b57895d2 was found to be: Known bad.
Malicious Activity Summary
Detect Vidar Stealer
Vidar
Stealc
Downloads MZ/PE file
Executes dropped EXE
Reads user/profile data of web browsers
Loads dropped DLL
Checks installed software on the system
Suspicious use of SetThreadContext
Unsigned PE
Checks processor information in registry
Modifies system certificate store
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-07 01:11
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-07 01:11
Reported
2024-06-07 01:17
Platform
win7-20240508-en
Max time kernel
118s
Max time network
118s
Command Line
Signatures
Detect Vidar Stealer
| 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 |
Stealc
Vidar
Downloads MZ/PE file
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat42EA.tmp | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bb3218efb8f2bc82f36daf9a67e97d6238960fca092e5a1a01a221f9b57895d2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bb3218efb8f2bc82f36daf9a67e97d6238960fca092e5a1a01a221f9b57895d2.exe | N/A |
Reads user/profile data of web browsers
Checks installed software on the system
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1976 set thread context of 2092 | N/A | C:\Users\Admin\AppData\Local\Temp\bb3218efb8f2bc82f36daf9a67e97d6238960fca092e5a1a01a221f9b57895d2.exe | C:\Users\Admin\AppData\Local\Temp\kat42EA.tmp |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\kat42EA.tmp | N/A |
Modifies system certificate store
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25 | C:\Users\Admin\AppData\Local\Temp\kat42EA.tmp | N/A |
| Set value (data) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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 | C:\Users\Admin\AppData\Local\Temp\kat42EA.tmp | N/A |
| Set value (data) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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 | C:\Users\Admin\AppData\Local\Temp\kat42EA.tmp | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat42EA.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\bb3218efb8f2bc82f36daf9a67e97d6238960fca092e5a1a01a221f9b57895d2.exe
"C:\Users\Admin\AppData\Local\Temp\bb3218efb8f2bc82f36daf9a67e97d6238960fca092e5a1a01a221f9b57895d2.exe"
C:\Users\Admin\AppData\Local\Temp\kat42EA.tmp
C:\Users\Admin\AppData\Local\Temp\kat42EA.tmp
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | t.me | udp |
| NL | 149.154.167.99:443 | t.me | tcp |
| NL | 149.154.167.99:443 | t.me | tcp |
| NL | 149.154.167.99:443 | t.me | tcp |
| NL | 149.154.167.99:443 | t.me | tcp |
| US | 8.8.8.8:53 | steamcommunity.com | udp |
| GB | 2.22.99.85:443 | steamcommunity.com | tcp |
| FI | 65.21.109.161:443 | 65.21.109.161 | tcp |
| FI | 65.21.109.161:443 | 65.21.109.161 | tcp |
| FI | 65.21.109.161:443 | 65.21.109.161 | tcp |
| FI | 65.21.109.161:443 | 65.21.109.161 | tcp |
| FI | 65.21.109.161:443 | 65.21.109.161 | tcp |
| FI | 65.21.109.161:443 | 65.21.109.161 | tcp |
| FI | 65.21.109.161:443 | 65.21.109.161 | tcp |
| FI | 65.21.109.161:443 | tcp |
Files
memory/1976-0-0x0000000000220000-0x0000000000221000-memory.dmp
memory/1976-2-0x0000000003420000-0x000000000356C000-memory.dmp
\Users\Admin\AppData\Local\Temp\kat42EA.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/2092-9-0x0000000000400000-0x0000000000649000-memory.dmp
memory/2092-11-0x0000000000400000-0x0000000000649000-memory.dmp
memory/1976-20-0x0000000000400000-0x00000000005CE000-memory.dmp
memory/2092-23-0x0000000000400000-0x0000000000649000-memory.dmp
memory/2092-22-0x0000000000400000-0x0000000000649000-memory.dmp
memory/2092-18-0x0000000000400000-0x0000000000649000-memory.dmp
memory/2092-15-0x0000000000400000-0x0000000000649000-memory.dmp
memory/2092-13-0x0000000000400000-0x0000000000649000-memory.dmp
memory/2092-17-0x0000000000400000-0x0000000000649000-memory.dmp
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
| MD5 | 49aebf8cbd62d92ac215b2923fb1b9f5 |
| SHA1 | 1723be06719828dda65ad804298d0431f6aff976 |
| SHA256 | b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f |
| SHA512 | bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b |
C:\Users\Admin\AppData\Local\Temp\Tar4744.tmp
| MD5 | 4ea6026cf93ec6338144661bf1202cd1 |
| SHA1 | a1dec9044f750ad887935a01430bf49322fbdcb7 |
| SHA256 | 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8 |
| SHA512 | 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 79dac384be5e474af8967fb10a2afb8f |
| SHA1 | cb49f169d83682d83dee04499210ed77cb62dc24 |
| SHA256 | 644ff6d8c35468c7b4eed82094ec97a0cac5644d23b9d4bcd0b77848cb45ffa1 |
| SHA512 | c663bdad6beba20ba9a70458945fa8297b7cb523ea9b6467b46eddaf51dfdaa126917122edea4ac836e8ec9b0768d5d720bb2ef4dfe4698d0fe32d62a711af41 |
memory/2092-171-0x0000000000400000-0x0000000000649000-memory.dmp
memory/2092-192-0x0000000000400000-0x0000000000649000-memory.dmp
memory/2092-214-0x000000001E140000-0x000000001E39F000-memory.dmp
memory/2092-225-0x0000000000400000-0x0000000000649000-memory.dmp
memory/2092-246-0x0000000000400000-0x0000000000649000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-07 01:11
Reported
2024-06-07 01:17
Platform
win10-20240404-en
Max time kernel
133s
Max time network
246s
Command Line
Signatures
Detect Vidar Stealer
| 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 |
Stealc
Vidar
Downloads MZ/PE file
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat77C0.tmp | N/A |
Reads user/profile data of web browsers
Checks installed software on the system
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 600 set thread context of 2752 | N/A | C:\Users\Admin\AppData\Local\Temp\bb3218efb8f2bc82f36daf9a67e97d6238960fca092e5a1a01a221f9b57895d2.exe | C:\Users\Admin\AppData\Local\Temp\kat77C0.tmp |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\kat77C0.tmp | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat77C0.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat77C0.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat77C0.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat77C0.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat77C0.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat77C0.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat77C0.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat77C0.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat77C0.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat77C0.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat77C0.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat77C0.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\bb3218efb8f2bc82f36daf9a67e97d6238960fca092e5a1a01a221f9b57895d2.exe
"C:\Users\Admin\AppData\Local\Temp\bb3218efb8f2bc82f36daf9a67e97d6238960fca092e5a1a01a221f9b57895d2.exe"
C:\Users\Admin\AppData\Local\Temp\kat77C0.tmp
C:\Users\Admin\AppData\Local\Temp\kat77C0.tmp
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | t.me | udp |
| NL | 149.154.167.99:443 | t.me | tcp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 99.167.154.149.in-addr.arpa | udp |
| DE | 49.13.158.245:5432 | 49.13.158.245 | tcp |
| US | 8.8.8.8:53 | 245.158.13.49.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.249.124.192.in-addr.arpa | udp |
| DE | 49.13.158.245:5432 | 49.13.158.245 | tcp |
| DE | 49.13.158.245:5432 | 49.13.158.245 | tcp |
| DE | 49.13.158.245:5432 | 49.13.158.245 | tcp |
| DE | 49.13.158.245:5432 | 49.13.158.245 | tcp |
| DE | 49.13.158.245:5432 | 49.13.158.245 | tcp |
| DE | 49.13.158.245:5432 | 49.13.158.245 | tcp |
| DE | 49.13.158.245:5432 | 49.13.158.245 | tcp |
| US | 8.8.8.8:53 | 203.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.179.89.13.in-addr.arpa | udp |
Files
memory/600-0-0x0000000000780000-0x0000000000781000-memory.dmp
memory/600-2-0x0000000003F90000-0x00000000040DC000-memory.dmp
memory/2752-4-0x0000000000400000-0x0000000000649000-memory.dmp
memory/2752-8-0x0000000000400000-0x0000000000649000-memory.dmp
memory/600-9-0x0000000000400000-0x00000000005CE000-memory.dmp
memory/2752-10-0x0000000000400000-0x0000000000649000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\kat77C0.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/2752-25-0x0000000000400000-0x0000000000649000-memory.dmp
memory/2752-26-0x0000000000400000-0x0000000000649000-memory.dmp
memory/2752-28-0x0000000025ED0000-0x000000002612F000-memory.dmp
memory/2752-43-0x0000000000400000-0x0000000000649000-memory.dmp
memory/2752-44-0x0000000000400000-0x0000000000649000-memory.dmp