Analysis Overview
SHA256
b26b1074a9b97f7f8be564b70f50ee965df6b8773695ba25d72c2638d3c90586
Threat Level: Known bad
The file b26b1074a9b97f7f8be564b70f50ee965df6b8773695ba25d72c2638d3c90586.exe was found to be: Known bad.
Malicious Activity Summary
Vidar
Stealc
Detect Vidar Stealer
Detect binaries embedding considerable number of MFA browser extension IDs.
Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
Detects Windows executables referencing non-Windows User-Agents
Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Detects executables containing potential Windows Defender anti-emulation checks
Downloads MZ/PE file
Accesses cryptocurrency files/wallets, possible credential harvesting
Suspicious use of SetThreadContext
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Checks processor information in registry
Suspicious use of WriteProcessMemory
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-15 02:02
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-15 02:02
Reported
2024-06-15 02:04
Platform
win7-20240221-en
Max time kernel
121s
Max time network
125s
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 |
Stealc
Vidar
Detect binaries embedding considerable number of MFA browser extension IDs.
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Detects Windows executables referencing non-Windows User-Agents
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Detects executables containing potential Windows Defender anti-emulation checks
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Downloads MZ/PE file
Accesses cryptocurrency files/wallets, possible credential harvesting
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2584 set thread context of 2432 | N/A | C:\Users\Admin\AppData\Local\Temp\b26b1074a9b97f7f8be564b70f50ee965df6b8773695ba25d72c2638d3c90586.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | 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:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\b26b1074a9b97f7f8be564b70f50ee965df6b8773695ba25d72c2638d3c90586.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\b26b1074a9b97f7f8be564b70f50ee965df6b8773695ba25d72c2638d3c90586.exe
"C:\Users\Admin\AppData\Local\Temp\b26b1074a9b97f7f8be564b70f50ee965df6b8773695ba25d72c2638d3c90586.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\GDHIEHJEBAAF" & exit
C:\Windows\SysWOW64\timeout.exe
timeout /t 10
Network
| Country | Destination | Domain | Proto |
| DE | 88.99.127.107:443 | tcp | |
| DE | 88.99.127.107:443 | tcp | |
| 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 |
| BE | 104.68.92.92:443 | steamcommunity.com | tcp |
| FI | 65.109.240.138:443 | 65.109.240.138 | tcp |
| FI | 65.109.240.138:443 | 65.109.240.138 | tcp |
| FI | 65.109.240.138:443 | 65.109.240.138 | tcp |
| FI | 65.109.240.138:443 | 65.109.240.138 | tcp |
| FI | 65.109.240.138:443 | 65.109.240.138 | tcp |
| FI | 65.109.240.138:443 | 65.109.240.138 | tcp |
| FI | 65.109.240.138:443 | 65.109.240.138 | tcp |
| FI | 65.109.240.138:443 | 65.109.240.138 | tcp |
| FI | 65.109.240.138:443 | tcp | |
| FI | 65.109.240.138:443 | tcp | |
| FI | 65.109.240.138:443 | tcp | |
| FI | 65.109.240.138:443 | tcp | |
| FI | 65.109.240.138:443 | tcp | |
| FI | 65.109.240.138:443 | tcp | |
| FI | 65.109.240.138:443 | 65.109.240.138 | tcp |
| FI | 65.109.240.138:443 | 65.109.240.138 | tcp |
| FI | 65.109.240.138:443 | 65.109.240.138 | tcp |
| FI | 65.109.240.138:443 | 65.109.240.138 | tcp |
| FI | 65.109.240.138:443 | 65.109.240.138 | tcp |
| FI | 65.109.240.138:443 | 65.109.240.138 | tcp |
Files
memory/2584-0-0x0000000074A3E000-0x0000000074A3F000-memory.dmp
memory/2584-1-0x00000000010B0000-0x00000000014AC000-memory.dmp
memory/2584-2-0x0000000004FC0000-0x0000000005104000-memory.dmp
memory/2584-3-0x0000000074A30000-0x000000007511E000-memory.dmp
memory/2584-4-0x0000000004B80000-0x0000000004C7A000-memory.dmp
memory/2584-5-0x0000000000630000-0x000000000064C000-memory.dmp
memory/2584-6-0x0000000000630000-0x0000000000645000-memory.dmp
memory/2584-17-0x0000000000630000-0x0000000000645000-memory.dmp
memory/2584-19-0x0000000000630000-0x0000000000645000-memory.dmp
memory/2584-65-0x0000000000630000-0x0000000000645000-memory.dmp
memory/2584-61-0x0000000000630000-0x0000000000645000-memory.dmp
memory/2584-59-0x0000000000630000-0x0000000000645000-memory.dmp
memory/2584-57-0x0000000000630000-0x0000000000645000-memory.dmp
memory/2584-55-0x0000000000630000-0x0000000000645000-memory.dmp
memory/2584-53-0x0000000000630000-0x0000000000645000-memory.dmp
memory/2584-51-0x0000000000630000-0x0000000000645000-memory.dmp
memory/2584-49-0x0000000000630000-0x0000000000645000-memory.dmp
memory/2584-47-0x0000000000630000-0x0000000000645000-memory.dmp
memory/2584-45-0x0000000000630000-0x0000000000645000-memory.dmp
memory/2584-43-0x0000000000630000-0x0000000000645000-memory.dmp
memory/2584-41-0x0000000000630000-0x0000000000645000-memory.dmp
memory/2584-39-0x0000000000630000-0x0000000000645000-memory.dmp
memory/2584-37-0x0000000000630000-0x0000000000645000-memory.dmp
memory/2584-35-0x0000000000630000-0x0000000000645000-memory.dmp
memory/2584-33-0x0000000000630000-0x0000000000645000-memory.dmp
memory/2584-31-0x0000000000630000-0x0000000000645000-memory.dmp
memory/2584-29-0x0000000000630000-0x0000000000645000-memory.dmp
memory/2584-27-0x0000000000630000-0x0000000000645000-memory.dmp
memory/2584-25-0x0000000000630000-0x0000000000645000-memory.dmp
memory/2584-23-0x0000000000630000-0x0000000000645000-memory.dmp
memory/2584-21-0x0000000000630000-0x0000000000645000-memory.dmp
memory/2584-15-0x0000000000630000-0x0000000000645000-memory.dmp
memory/2584-13-0x0000000000630000-0x0000000000645000-memory.dmp
memory/2584-11-0x0000000000630000-0x0000000000645000-memory.dmp
memory/2584-9-0x0000000000630000-0x0000000000645000-memory.dmp
memory/2584-7-0x0000000000630000-0x0000000000645000-memory.dmp
memory/2584-63-0x0000000000630000-0x0000000000645000-memory.dmp
memory/2584-66-0x0000000074A30000-0x000000007511E000-memory.dmp
memory/2432-68-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2432-69-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2432-81-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2584-82-0x0000000074A30000-0x000000007511E000-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\TarF09D.tmp
| MD5 | 4ea6026cf93ec6338144661bf1202cd1 |
| SHA1 | a1dec9044f750ad887935a01430bf49322fbdcb7 |
| SHA256 | 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8 |
| SHA512 | 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | e7f02924c23127a21672e574c6e3eed6 |
| SHA1 | cf70a20f90cdb6693737fcdbfc4c32e409f33b4a |
| SHA256 | 370cc894ca5258910856541eb5299e7a0a9f7c162471a0937c50ec1e064e969a |
| SHA512 | 2f2944204dcab84f66b6d8383e9eac10ee5bde21c297969314ff2b7a642843833c434e54cf0a6057db0dfec759f5129e1e3122b4ada67d492a92135bf088a916 |
memory/2432-559-0x0000000000400000-0x0000000000648000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-15 02:02
Reported
2024-06-15 02:04
Platform
win10v2004-20240508-en
Max time kernel
51s
Max time network
54s
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 |
Stealc
Vidar
Detects Windows executables referencing non-Windows User-Agents
| 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 |
Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
| 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 |
Detects executables containing potential Windows Defender anti-emulation checks
| 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 |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2444 set thread context of 2680 | N/A | C:\Users\Admin\AppData\Local\Temp\b26b1074a9b97f7f8be564b70f50ee965df6b8773695ba25d72c2638d3c90586.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | 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:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\b26b1074a9b97f7f8be564b70f50ee965df6b8773695ba25d72c2638d3c90586.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\b26b1074a9b97f7f8be564b70f50ee965df6b8773695ba25d72c2638d3c90586.exe
"C:\Users\Admin\AppData\Local\Temp\b26b1074a9b97f7f8be564b70f50ee965df6b8773695ba25d72c2638d3c90586.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe" & rd /s /q "C:\ProgramData\IECGHJKKJDHI" & 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 |
| DE | 88.99.127.107:443 | tcp | |
| US | 8.8.8.8:53 | t.me | udp |
| US | 8.8.8.8:53 | steamcommunity.com | udp |
Files
memory/2444-0-0x00000000745BE000-0x00000000745BF000-memory.dmp
memory/2444-1-0x00000000004B0000-0x00000000008AC000-memory.dmp
memory/2444-2-0x00000000053F0000-0x000000000548C000-memory.dmp
memory/2444-4-0x00000000745B0000-0x0000000074D60000-memory.dmp
memory/2444-3-0x0000000005490000-0x00000000055D4000-memory.dmp
memory/2444-5-0x00000000055D0000-0x00000000056CA000-memory.dmp
memory/2444-6-0x00000000051E0000-0x00000000051FC000-memory.dmp
memory/2444-12-0x00000000051E0000-0x00000000051F5000-memory.dmp
memory/2444-66-0x00000000051E0000-0x00000000051F5000-memory.dmp
memory/2444-65-0x00000000051E0000-0x00000000051F5000-memory.dmp
memory/2680-69-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2680-67-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2680-72-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2444-71-0x00000000745B0000-0x0000000074D60000-memory.dmp
memory/2444-62-0x00000000051E0000-0x00000000051F5000-memory.dmp
memory/2444-60-0x00000000051E0000-0x00000000051F5000-memory.dmp
memory/2444-58-0x00000000051E0000-0x00000000051F5000-memory.dmp
memory/2444-56-0x00000000051E0000-0x00000000051F5000-memory.dmp
memory/2444-54-0x00000000051E0000-0x00000000051F5000-memory.dmp
memory/2444-52-0x00000000051E0000-0x00000000051F5000-memory.dmp
memory/2444-50-0x00000000051E0000-0x00000000051F5000-memory.dmp
memory/2444-48-0x00000000051E0000-0x00000000051F5000-memory.dmp
memory/2444-46-0x00000000051E0000-0x00000000051F5000-memory.dmp
memory/2444-44-0x00000000051E0000-0x00000000051F5000-memory.dmp
memory/2444-43-0x00000000051E0000-0x00000000051F5000-memory.dmp
memory/2444-40-0x00000000051E0000-0x00000000051F5000-memory.dmp
memory/2444-38-0x00000000051E0000-0x00000000051F5000-memory.dmp
memory/2444-36-0x00000000051E0000-0x00000000051F5000-memory.dmp
memory/2444-34-0x00000000051E0000-0x00000000051F5000-memory.dmp
memory/2444-32-0x00000000051E0000-0x00000000051F5000-memory.dmp
memory/2444-30-0x00000000051E0000-0x00000000051F5000-memory.dmp
memory/2444-28-0x00000000051E0000-0x00000000051F5000-memory.dmp
memory/2444-26-0x00000000051E0000-0x00000000051F5000-memory.dmp
memory/2444-24-0x00000000051E0000-0x00000000051F5000-memory.dmp
memory/2444-22-0x00000000051E0000-0x00000000051F5000-memory.dmp
memory/2444-20-0x00000000051E0000-0x00000000051F5000-memory.dmp
memory/2444-18-0x00000000051E0000-0x00000000051F5000-memory.dmp
memory/2444-17-0x00000000051E0000-0x00000000051F5000-memory.dmp
memory/2444-14-0x00000000051E0000-0x00000000051F5000-memory.dmp
memory/2444-10-0x00000000051E0000-0x00000000051F5000-memory.dmp
memory/2444-8-0x00000000051E0000-0x00000000051F5000-memory.dmp
memory/2444-7-0x00000000051E0000-0x00000000051F5000-memory.dmp
memory/2680-73-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2680-74-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2680-76-0x0000000000400000-0x0000000000648000-memory.dmp