Analysis Overview
SHA256
91f05bbd2f4f01adaf7f6954c53aed03b2e608138db2004f18c0e1a9368d6a1b
Threat Level: Known bad
The file 91f05bbd2f4f01adaf7f6954c53aed03b2e608138db2004f18c0e1a9368d6a1b was found to be: Known bad.
Malicious Activity Summary
Stealc
Vidar
Detect Vidar Stealer
Downloads MZ/PE file
Checks computer location settings
Executes dropped EXE
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Suspicious use of SetThreadContext
Unsigned PE
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Checks processor information in registry
Delays execution with timeout.exe
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-07 21:43
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-07 21:43
Reported
2024-06-07 21:46
Platform
win10v2004-20240508-en
Max time kernel
149s
Max time network
150s
Command Line
Signatures
Detect Vidar Stealer
| Description | Indicator | Process | Target |
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Stealc
Vidar
Downloads MZ/PE file
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\kat5062.tmp | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat5062.tmp | N/A |
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3700 set thread context of 1520 | N/A | C:\Users\Admin\AppData\Local\Temp\91f05bbd2f4f01adaf7f6954c53aed03b2e608138db2004f18c0e1a9368d6a1b.exe | C:\Users\Admin\AppData\Local\Temp\kat5062.tmp |
Enumerates physical storage devices
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\kat5062.tmp | N/A |
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\timeout.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat5062.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat5062.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat5062.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat5062.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\91f05bbd2f4f01adaf7f6954c53aed03b2e608138db2004f18c0e1a9368d6a1b.exe
"C:\Users\Admin\AppData\Local\Temp\91f05bbd2f4f01adaf7f6954c53aed03b2e608138db2004f18c0e1a9368d6a1b.exe"
C:\Users\Admin\AppData\Local\Temp\kat5062.tmp
C:\Users\Admin\AppData\Local\Temp\kat5062.tmp
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat5062.tmp" & rd /s /q "C:\ProgramData\CGIJJKEHCAKE" & exit
C:\Windows\SysWOW64\timeout.exe
timeout /t 10
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | t.me | udp |
| NL | 149.154.167.99:443 | t.me | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 145.83.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 99.167.154.149.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.249.124.192.in-addr.arpa | udp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| US | 8.8.8.8:53 | 18.190.202.116.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 69.31.126.40.in-addr.arpa | udp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | tcp | |
| DE | 116.202.190.18:5432 | tcp | |
| DE | 116.202.190.18:5432 | tcp | |
| DE | 116.202.190.18:5432 | tcp | |
| DE | 116.202.190.18:5432 | tcp | |
| DE | 116.202.190.18:5432 | tcp | |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 105.83.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.178.89.13.in-addr.arpa | udp |
Files
memory/3700-0-0x0000000002410000-0x0000000002411000-memory.dmp
memory/3700-2-0x0000000002BD0000-0x0000000002D33000-memory.dmp
memory/1520-4-0x0000000000400000-0x0000000000648000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\kat5062.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/1520-8-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1520-10-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3700-9-0x0000000000400000-0x000000000067A000-memory.dmp
memory/1520-22-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1520-23-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1520-25-0x000000001DBF0000-0x000000001DE4F000-memory.dmp
memory/1520-40-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1520-41-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1520-57-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1520-58-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1520-69-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1520-70-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1520-71-0x0000000000400000-0x0000000000648000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-07 21:43
Reported
2024-06-07 21:46
Platform
win11-20240508-en
Max time kernel
148s
Max time network
150s
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 |
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Stealc
Vidar
Downloads MZ/PE file
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat7290.tmp | N/A |
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4980 set thread context of 4196 | N/A | C:\Users\Admin\AppData\Local\Temp\91f05bbd2f4f01adaf7f6954c53aed03b2e608138db2004f18c0e1a9368d6a1b.exe | C:\Users\Admin\AppData\Local\Temp\kat7290.tmp |
Enumerates physical storage devices
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\kat7290.tmp | N/A |
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\timeout.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat7290.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat7290.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat7290.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat7290.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\91f05bbd2f4f01adaf7f6954c53aed03b2e608138db2004f18c0e1a9368d6a1b.exe
"C:\Users\Admin\AppData\Local\Temp\91f05bbd2f4f01adaf7f6954c53aed03b2e608138db2004f18c0e1a9368d6a1b.exe"
C:\Users\Admin\AppData\Local\Temp\kat7290.tmp
C:\Users\Admin\AppData\Local\Temp\kat7290.tmp
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat7290.tmp" & rd /s /q "C:\ProgramData\CBKJEGCBKKJE" & exit
C:\Windows\SysWOW64\timeout.exe
timeout /t 10
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | t.me | udp |
| NL | 149.154.167.99:443 | t.me | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| US | 8.8.8.8:53 | 99.167.154.149.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.190.202.116.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 45.56.20.217.in-addr.arpa | udp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | tcp | |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | tcp | |
| DE | 116.202.190.18:5432 | tcp | |
| DE | 116.202.190.18:5432 | tcp | |
| DE | 116.202.190.18:5432 | tcp | |
| DE | 116.202.190.18:5432 | tcp | |
| DE | 116.202.190.18:5432 | tcp | |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
Files
memory/4980-0-0x00000000023D0000-0x00000000023D1000-memory.dmp
memory/4980-1-0x0000000002BB0000-0x0000000002D13000-memory.dmp
memory/4196-4-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4196-8-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4196-9-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4980-10-0x0000000000400000-0x000000000067A000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\kat7290.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/4196-15-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4196-16-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4196-18-0x000000001B7F0000-0x000000001BA4F000-memory.dmp
memory/4196-33-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4196-34-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4196-50-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4196-51-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4196-62-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4196-63-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4196-66-0x0000000000400000-0x0000000000648000-memory.dmp