Analysis
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max time kernel
92s -
max time network
95s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
28-05-2024 01:10
Static task
static1
Behavioral task
behavioral1
Sample
484de446e05081a326b443adf561111d8d550e0309639007eae2e4c8bdee436b.exe
Resource
win7-20240221-en
General
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Target
484de446e05081a326b443adf561111d8d550e0309639007eae2e4c8bdee436b.exe
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Size
2.7MB
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MD5
b8b6d94f2e3b6ae6be5205ef84ae0332
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SHA1
5ddf798d3d0a007a030a102e6bfc150e5a08ea83
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SHA256
484de446e05081a326b443adf561111d8d550e0309639007eae2e4c8bdee436b
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SHA512
968a81025278fe2598961e1376f4c144dd20979f316231093157dee7364713265675070d67c08510b574966e6178264d7e4d350c15cd5eaa7026ca3e9a2f45b3
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SSDEEP
49152:KFzUITu6rv7vkceIsWGIgT+pFeawTkvBt:KKfYv4J0wTQB
Malware Config
Extracted
stealc
Extracted
vidar
https://steamcommunity.com/profiles/76561199689717899
https://t.me/copterwin
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0
Signatures
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Detect Vidar Stealer 5 IoCs
Processes:
resource yara_rule behavioral2/memory/4888-71-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/4888-68-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/4888-66-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/4888-76-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/4888-96-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 -
Detect binaries embedding considerable number of MFA browser extension IDs. 2 IoCs
Processes:
resource yara_rule behavioral2/memory/4888-76-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs behavioral2/memory/4888-96-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs -
Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs. 2 IoCs
Processes:
resource yara_rule behavioral2/memory/4888-76-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs behavioral2/memory/4888-96-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs -
Detects Windows executables referencing non-Windows User-Agents 5 IoCs
Processes:
resource yara_rule behavioral2/memory/4888-71-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/4888-68-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/4888-66-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/4888-76-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/4888-96-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA -
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 2 IoCs
Processes:
resource yara_rule behavioral2/memory/4888-76-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral2/memory/4888-96-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers -
Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 5 IoCs
Processes:
resource yara_rule behavioral2/memory/4888-71-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL behavioral2/memory/4888-68-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL behavioral2/memory/4888-66-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL behavioral2/memory/4888-76-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL behavioral2/memory/4888-96-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL -
Detects executables containing potential Windows Defender anti-emulation checks 5 IoCs
Processes:
resource yara_rule behavioral2/memory/4888-71-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation behavioral2/memory/4888-68-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation behavioral2/memory/4888-66-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation behavioral2/memory/4888-76-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation behavioral2/memory/4888-96-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation -
Downloads MZ/PE file
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Suspicious use of SetThreadContext 1 IoCs
Processes:
484de446e05081a326b443adf561111d8d550e0309639007eae2e4c8bdee436b.exedescription pid process target process PID 4960 set thread context of 4888 4960 484de446e05081a326b443adf561111d8d550e0309639007eae2e4c8bdee436b.exe MSBuild.exe -
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
MSBuild.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString MSBuild.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
MSBuild.exepid process 4888 MSBuild.exe 4888 MSBuild.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
484de446e05081a326b443adf561111d8d550e0309639007eae2e4c8bdee436b.exedescription pid process Token: SeDebugPrivilege 4960 484de446e05081a326b443adf561111d8d550e0309639007eae2e4c8bdee436b.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
484de446e05081a326b443adf561111d8d550e0309639007eae2e4c8bdee436b.exedescription pid process target process PID 4960 wrote to memory of 4888 4960 484de446e05081a326b443adf561111d8d550e0309639007eae2e4c8bdee436b.exe MSBuild.exe PID 4960 wrote to memory of 4888 4960 484de446e05081a326b443adf561111d8d550e0309639007eae2e4c8bdee436b.exe MSBuild.exe PID 4960 wrote to memory of 4888 4960 484de446e05081a326b443adf561111d8d550e0309639007eae2e4c8bdee436b.exe MSBuild.exe PID 4960 wrote to memory of 4888 4960 484de446e05081a326b443adf561111d8d550e0309639007eae2e4c8bdee436b.exe MSBuild.exe PID 4960 wrote to memory of 4888 4960 484de446e05081a326b443adf561111d8d550e0309639007eae2e4c8bdee436b.exe MSBuild.exe PID 4960 wrote to memory of 4888 4960 484de446e05081a326b443adf561111d8d550e0309639007eae2e4c8bdee436b.exe MSBuild.exe PID 4960 wrote to memory of 4888 4960 484de446e05081a326b443adf561111d8d550e0309639007eae2e4c8bdee436b.exe MSBuild.exe PID 4960 wrote to memory of 4888 4960 484de446e05081a326b443adf561111d8d550e0309639007eae2e4c8bdee436b.exe MSBuild.exe PID 4960 wrote to memory of 4888 4960 484de446e05081a326b443adf561111d8d550e0309639007eae2e4c8bdee436b.exe MSBuild.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\484de446e05081a326b443adf561111d8d550e0309639007eae2e4c8bdee436b.exe"C:\Users\Admin\AppData\Local\Temp\484de446e05081a326b443adf561111d8d550e0309639007eae2e4c8bdee436b.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4960 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4888
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/4888-71-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/4888-96-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/4888-76-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/4888-66-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/4888-68-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/4960-41-0x00000000028A0000-0x00000000028B5000-memory.dmpFilesize
84KB
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memory/4960-38-0x00000000028A0000-0x00000000028B5000-memory.dmpFilesize
84KB
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memory/4960-50-0x00000000028A0000-0x00000000028B5000-memory.dmpFilesize
84KB
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memory/4960-45-0x00000000028A0000-0x00000000028B5000-memory.dmpFilesize
84KB
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memory/4960-61-0x00000000028A0000-0x00000000028B5000-memory.dmpFilesize
84KB
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memory/4960-65-0x00000000028A0000-0x00000000028B5000-memory.dmpFilesize
84KB
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memory/4960-69-0x0000000074EA0000-0x0000000075650000-memory.dmpFilesize
7.7MB
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memory/4960-5-0x00000000028A0000-0x00000000028BC000-memory.dmpFilesize
112KB
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memory/4960-4-0x0000000074EA0000-0x0000000075650000-memory.dmpFilesize
7.7MB
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memory/4960-3-0x0000000004FF0000-0x0000000005088000-memory.dmpFilesize
608KB
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memory/4960-59-0x00000000028A0000-0x00000000028B5000-memory.dmpFilesize
84KB
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memory/4960-57-0x00000000028A0000-0x00000000028B5000-memory.dmpFilesize
84KB
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memory/4960-55-0x00000000028A0000-0x00000000028B5000-memory.dmpFilesize
84KB
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memory/4960-53-0x00000000028A0000-0x00000000028B5000-memory.dmpFilesize
84KB
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memory/4960-51-0x00000000028A0000-0x00000000028B5000-memory.dmpFilesize
84KB
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memory/4960-47-0x00000000028A0000-0x00000000028B5000-memory.dmpFilesize
84KB
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memory/4960-44-0x00000000028A0000-0x00000000028B5000-memory.dmpFilesize
84KB
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memory/4960-0-0x0000000074EAE000-0x0000000074EAF000-memory.dmpFilesize
4KB
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memory/4960-39-0x00000000028A0000-0x00000000028B5000-memory.dmpFilesize
84KB
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memory/4960-63-0x00000000028A0000-0x00000000028B5000-memory.dmpFilesize
84KB
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memory/4960-33-0x00000000028A0000-0x00000000028B5000-memory.dmpFilesize
84KB
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memory/4960-31-0x00000000028A0000-0x00000000028B5000-memory.dmpFilesize
84KB
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memory/4960-29-0x00000000028A0000-0x00000000028B5000-memory.dmpFilesize
84KB
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memory/4960-25-0x00000000028A0000-0x00000000028B5000-memory.dmpFilesize
84KB
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memory/4960-23-0x00000000028A0000-0x00000000028B5000-memory.dmpFilesize
84KB
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memory/4960-22-0x00000000028A0000-0x00000000028B5000-memory.dmpFilesize
84KB
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memory/4960-19-0x00000000028A0000-0x00000000028B5000-memory.dmpFilesize
84KB
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memory/4960-17-0x00000000028A0000-0x00000000028B5000-memory.dmpFilesize
84KB
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memory/4960-15-0x00000000028A0000-0x00000000028B5000-memory.dmpFilesize
84KB
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memory/4960-13-0x00000000028A0000-0x00000000028B5000-memory.dmpFilesize
84KB
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memory/4960-11-0x00000000028A0000-0x00000000028B5000-memory.dmpFilesize
84KB
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memory/4960-9-0x00000000028A0000-0x00000000028B5000-memory.dmpFilesize
84KB
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memory/4960-7-0x00000000028A0000-0x00000000028B5000-memory.dmpFilesize
84KB
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memory/4960-6-0x00000000028A0000-0x00000000028B5000-memory.dmpFilesize
84KB
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memory/4960-35-0x00000000028A0000-0x00000000028B5000-memory.dmpFilesize
84KB
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memory/4960-27-0x00000000028A0000-0x00000000028B5000-memory.dmpFilesize
84KB
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memory/4960-72-0x0000000074EA0000-0x0000000075650000-memory.dmpFilesize
7.7MB
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memory/4960-2-0x0000000004F50000-0x0000000004FEC000-memory.dmpFilesize
624KB
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memory/4960-1-0x0000000000330000-0x00000000005E2000-memory.dmpFilesize
2.7MB