Analysis Overview
SHA256
c7d9ff8d9798af043aaa6d2614815f327dcd16303f199fc8843946cf0b4e6893
Threat Level: Known bad
The file c7d9ff8d9798af043aaa6d2614815f327dcd16303f199fc8843946cf0b4e6893 was found to be: Known bad.
Malicious Activity Summary
Stealc
Detect Vidar Stealer
Vidar
Executes dropped EXE
Checks computer location settings
Reads data files stored by FTP clients
Checks installed software on the system
Suspicious use of SetThreadContext
Unsigned PE
Enumerates physical storage devices
Checks processor information in registry
Delays execution with timeout.exe
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-28 05:02
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-28 05:02
Reported
2024-06-28 05:04
Platform
win11-20240508-en
Max time kernel
146s
Max time network
150s
Command Line
Signatures
Detect Vidar Stealer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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Stealc
Vidar
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat6D31.tmp | N/A |
Reads data files stored by FTP clients
Checks installed software on the system
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1892 set thread context of 4600 | N/A | C:\Users\Admin\AppData\Local\Temp\c7d9ff8d9798af043aaa6d2614815f327dcd16303f199fc8843946cf0b4e6893.exe | C:\Users\Admin\AppData\Local\Temp\kat6D31.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\kat6D31.tmp | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Users\Admin\AppData\Local\Temp\kat6D31.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\kat6D31.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat6D31.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat6D31.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat6D31.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat6D31.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat6D31.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\c7d9ff8d9798af043aaa6d2614815f327dcd16303f199fc8843946cf0b4e6893.exe
"C:\Users\Admin\AppData\Local\Temp\c7d9ff8d9798af043aaa6d2614815f327dcd16303f199fc8843946cf0b4e6893.exe"
C:\Users\Admin\AppData\Local\Temp\kat6D31.tmp
C:\Users\Admin\AppData\Local\Temp\kat6D31.tmp
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat6D31.tmp" & rd /s /q "C:\ProgramData\EGIIJDHCGCBK" & exit
C:\Windows\SysWOW64\timeout.exe
timeout /t 10
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | t.me | udp |
| US | 8.8.8.8:53 | steamcommunity.com | udp |
| US | 8.8.8.8:53 | tea.arpdabl.org | udp |
| US | 52.111.229.19:443 | tcp |
Files
memory/1892-0-0x0000000002630000-0x0000000002631000-memory.dmp
memory/1892-1-0x00000000040A0000-0x00000000041B0000-memory.dmp
memory/4600-4-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4600-8-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1892-9-0x0000000000400000-0x000000000058E000-memory.dmp
memory/4600-10-0x0000000000400000-0x0000000000648000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\kat6D31.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/4600-11-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4600-12-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4600-13-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4600-14-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4600-17-0x0000000000400000-0x0000000000648000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-28 05:02
Reported
2024-06-28 05:04
Platform
win10v2004-20240508-en
Max time kernel
39s
Max time network
48s
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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| 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
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\kat5A93.tmp | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat5A93.tmp | N/A |
Reads data files stored by FTP clients
Checks installed software on the system
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3352 set thread context of 540 | N/A | C:\Users\Admin\AppData\Local\Temp\c7d9ff8d9798af043aaa6d2614815f327dcd16303f199fc8843946cf0b4e6893.exe | C:\Users\Admin\AppData\Local\Temp\kat5A93.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\kat5A93.tmp | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Users\Admin\AppData\Local\Temp\kat5A93.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\kat5A93.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat5A93.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat5A93.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat5A93.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat5A93.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat5A93.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\c7d9ff8d9798af043aaa6d2614815f327dcd16303f199fc8843946cf0b4e6893.exe
"C:\Users\Admin\AppData\Local\Temp\c7d9ff8d9798af043aaa6d2614815f327dcd16303f199fc8843946cf0b4e6893.exe"
C:\Users\Admin\AppData\Local\Temp\kat5A93.tmp
C:\Users\Admin\AppData\Local\Temp\kat5A93.tmp
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat5A93.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 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | t.me | udp |
| US | 8.8.8.8:53 | steamcommunity.com | udp |
| US | 8.8.8.8:53 | tea.arpdabl.org | udp |
Files
memory/3352-0-0x0000000002320000-0x0000000002321000-memory.dmp
memory/3352-1-0x0000000004140000-0x0000000004250000-memory.dmp
memory/540-4-0x0000000000400000-0x0000000000648000-memory.dmp
memory/540-8-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3352-9-0x0000000000400000-0x000000000058E000-memory.dmp
memory/540-10-0x0000000000400000-0x0000000000648000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\kat5A93.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/540-11-0x0000000000400000-0x0000000000648000-memory.dmp
memory/540-12-0x0000000000400000-0x0000000000648000-memory.dmp
memory/540-13-0x0000000000400000-0x0000000000648000-memory.dmp
memory/540-14-0x0000000000400000-0x0000000000648000-memory.dmp
memory/540-17-0x0000000000400000-0x0000000000648000-memory.dmp