Analysis Overview
SHA256
203554c85008e80c007f76b93cf087aa00b2306453a092b0d3aa72c54c5b73ca
Threat Level: Known bad
The file 203554c85008e80c007f76b93cf087aa00b2306453a092b0d3aa72c54c5b73ca was found to be: Known bad.
Malicious Activity Summary
Vidar
Detect Vidar Stealer
Stealc
Downloads MZ/PE file
Checks computer location settings
Executes dropped EXE
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Checks installed software on the system
Accesses cryptocurrency files/wallets, possible credential harvesting
Suspicious use of SetThreadContext
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Checks processor information in registry
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-14 00:54
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-14 00:54
Reported
2024-06-14 00:57
Platform
win10v2004-20240226-en
Max time kernel
144s
Max time network
157s
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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\kat8C5.tmp | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat8C5.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 2428 set thread context of 2236 | N/A | C:\Users\Admin\AppData\Local\Temp\203554c85008e80c007f76b93cf087aa00b2306453a092b0d3aa72c54c5b73ca.exe | C:\Users\Admin\AppData\Local\Temp\kat8C5.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\kat8C5.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
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\203554c85008e80c007f76b93cf087aa00b2306453a092b0d3aa72c54c5b73ca.exe
"C:\Users\Admin\AppData\Local\Temp\203554c85008e80c007f76b93cf087aa00b2306453a092b0d3aa72c54c5b73ca.exe"
C:\Users\Admin\AppData\Local\Temp\kat8C5.tmp
C:\Users\Admin\AppData\Local\Temp\kat8C5.tmp
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-appcompat-clear --mojo-platform-channel-handle=2292 --field-trial-handle=2280,i,11703952675008463361,17436195144517971517,262144 --variations-seed-version /prefetch:3
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat8C5.tmp" & rd /s /q "C:\ProgramData\KEBFBGDGHIIJ" & exit
C:\Windows\SysWOW64\timeout.exe
timeout /t 10
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4104 --field-trial-handle=2280,i,11703952675008463361,17436195144517971517,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | t.me | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| NL | 149.154.167.99:443 | t.me | tcp |
| DE | 49.13.235.244:5432 | 49.13.235.244 | tcp |
| US | 8.8.8.8:53 | 99.167.154.149.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 244.235.13.49.in-addr.arpa | udp |
| DE | 49.13.235.244:5432 | 49.13.235.244 | tcp |
| DE | 49.13.235.244:5432 | 49.13.235.244 | tcp |
| DE | 49.13.235.244:5432 | 49.13.235.244 | tcp |
| DE | 49.13.235.244:5432 | 49.13.235.244 | tcp |
| US | 8.8.8.8:53 | 14.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| DE | 49.13.235.244:5432 | 49.13.235.244 | tcp |
| DE | 49.13.235.244:5432 | 49.13.235.244 | tcp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| DE | 49.13.235.244:5432 | 49.13.235.244 | tcp |
| US | 13.107.253.64:443 | tcp | |
| DE | 49.13.235.244:5432 | 49.13.235.244 | tcp |
| DE | 49.13.235.244:5432 | tcp | |
| DE | 49.13.235.244:5432 | tcp | |
| DE | 49.13.235.244:5432 | tcp | |
| DE | 49.13.235.244:5432 | tcp | |
| DE | 49.13.235.244:5432 | tcp | |
| DE | 49.13.235.244:5432 | tcp | |
| DE | 49.13.235.244:5432 | 49.13.235.244 | tcp |
| DE | 49.13.235.244:5432 | 49.13.235.244 | tcp |
| DE | 49.13.235.244:5432 | 49.13.235.244 | tcp |
| DE | 49.13.235.244:5432 | 49.13.235.244 | tcp |
| GB | 23.44.234.16:80 | tcp | |
| DE | 49.13.235.244:5432 | 49.13.235.244 | tcp |
| DE | 49.13.235.244:5432 | 49.13.235.244 | tcp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 164.189.21.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 6.160.77.104.in-addr.arpa | udp |
| NL | 52.142.223.178:80 | tcp | |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 168.253.116.51.in-addr.arpa | udp |
Files
memory/2428-0-0x00000000023D0000-0x00000000023D1000-memory.dmp
memory/2428-1-0x0000000004100000-0x0000000004210000-memory.dmp
memory/2236-4-0x0000000000400000-0x0000000000648000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\kat8C5.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/2236-8-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2428-9-0x0000000000400000-0x0000000000629000-memory.dmp
memory/2236-10-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2236-13-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2236-14-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2236-16-0x000000001B720000-0x000000001B97F000-memory.dmp
memory/2236-31-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2236-32-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2236-48-0x0000000000400000-0x0000000000648000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\SCT Auditing Pending Reports
| MD5 | d751713988987e9331980363e24189ce |
| SHA1 | 97d170e1550eee4afc0af065b78cda302a97674c |
| SHA256 | 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945 |
| SHA512 | b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af |
memory/2236-55-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2236-56-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2236-67-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2236-68-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2236-69-0x0000000000400000-0x0000000000648000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\Sdch Dictionaries
| MD5 | 20d4b8fa017a12a108c87f540836e250 |
| SHA1 | 1ac617fac131262b6d3ce1f52f5907e31d5f6f00 |
| SHA256 | 6028bd681dbf11a0a58dde8a0cd884115c04caa59d080ba51bde1b086ce0079d |
| SHA512 | 507b2b8a8a168ff8f2bdafa5d9d341c44501a5f17d9f63f3d43bd586bc9e8ae33221887869fa86f845b7d067cb7d2a7009efd71dda36e03a40a74fee04b86856 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-14 00:54
Reported
2024-06-14 00:57
Platform
win11-20240508-en
Max time kernel
79s
Max time network
100s
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 |
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| N/A | N/A | N/A | N/A |
Stealc
Vidar
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat75FB.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 4324 set thread context of 2172 | N/A | C:\Users\Admin\AppData\Local\Temp\203554c85008e80c007f76b93cf087aa00b2306453a092b0d3aa72c54c5b73ca.exe | C:\Users\Admin\AppData\Local\Temp\kat75FB.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\kat75FB.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\kat75FB.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat75FB.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\203554c85008e80c007f76b93cf087aa00b2306453a092b0d3aa72c54c5b73ca.exe
"C:\Users\Admin\AppData\Local\Temp\203554c85008e80c007f76b93cf087aa00b2306453a092b0d3aa72c54c5b73ca.exe"
C:\Users\Admin\AppData\Local\Temp\kat75FB.tmp
C:\Users\Admin\AppData\Local\Temp\kat75FB.tmp
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat75FB.tmp" & rd /s /q "C:\ProgramData\EHIJJDGDHDGD" & 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 |
| IE | 52.111.236.22:443 | tcp |
Files
memory/4324-0-0x00000000024C0000-0x00000000024C1000-memory.dmp
memory/4324-1-0x0000000004270000-0x0000000004380000-memory.dmp
memory/2172-4-0x0000000000400000-0x0000000000648000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\kat75FB.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/2172-9-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2172-8-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4324-10-0x0000000000400000-0x0000000000629000-memory.dmp
memory/2172-11-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2172-12-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2172-13-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2172-14-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2172-15-0x0000000000400000-0x0000000000648000-memory.dmp