Analysis
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max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
04-06-2024 01:20
Static task
static1
Behavioral task
behavioral1
Sample
43ab8d538551ee2d920b1780bced4a7e97a3e9cf8d6f47b6634219120c1ca3de.exe
Resource
win7-20240508-en
General
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Target
43ab8d538551ee2d920b1780bced4a7e97a3e9cf8d6f47b6634219120c1ca3de.exe
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Size
779KB
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MD5
b8c16305e86cd0c9e66bf9a26bed97c7
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SHA1
451b83ee2758b91aabf7f0367241d636b6c1d6f5
-
SHA256
43ab8d538551ee2d920b1780bced4a7e97a3e9cf8d6f47b6634219120c1ca3de
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SHA512
b1d9548fc78fb8626d7e081d2ded7d86743e4f9136b3314315a5afa096e33858d43d7b9d775a623f7733809b0f06b748033518e9c3ac14a190aff5e71ac6ae9b
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SSDEEP
24576:uky1kNvBHoB+vinRETPD1qL63JnPPX8YpYFLxwuXt:uV1klBHoEURETPD1qL63fYN
Malware Config
Extracted
stealc
Extracted
vidar
https://steamcommunity.com/profiles/76561199689717899
https://t.me/copterwin
Signatures
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Detect Vidar Stealer 8 IoCs
Processes:
resource yara_rule behavioral1/memory/1736-3-0x0000000000400000-0x00000000004C3000-memory.dmp family_vidar_v7 behavioral1/memory/1736-11-0x0000000000400000-0x00000000004C3000-memory.dmp family_vidar_v7 behavioral1/memory/1760-12-0x00000000000D0000-0x0000000000316000-memory.dmp family_vidar_v7 behavioral1/memory/1760-14-0x00000000000D0000-0x0000000000316000-memory.dmp family_vidar_v7 behavioral1/memory/1760-13-0x00000000000D0000-0x0000000000316000-memory.dmp family_vidar_v7 behavioral1/memory/1760-67-0x00000000000D0000-0x0000000000316000-memory.dmp family_vidar_v7 behavioral1/memory/1760-68-0x00000000000D0000-0x0000000000316000-memory.dmp family_vidar_v7 behavioral1/memory/1760-70-0x00000000000D0000-0x0000000000316000-memory.dmp family_vidar_v7 -
Detects Windows executables referencing non-Windows User-Agents 8 IoCs
Processes:
resource yara_rule behavioral1/memory/1736-3-0x0000000000400000-0x00000000004C3000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral1/memory/1736-11-0x0000000000400000-0x00000000004C3000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral1/memory/1760-12-0x00000000000D0000-0x0000000000316000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral1/memory/1760-14-0x00000000000D0000-0x0000000000316000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral1/memory/1760-13-0x00000000000D0000-0x0000000000316000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral1/memory/1760-67-0x00000000000D0000-0x0000000000316000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral1/memory/1760-68-0x00000000000D0000-0x0000000000316000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral1/memory/1760-70-0x00000000000D0000-0x0000000000316000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA -
Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 8 IoCs
Processes:
resource yara_rule behavioral1/memory/1736-3-0x0000000000400000-0x00000000004C3000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL behavioral1/memory/1736-11-0x0000000000400000-0x00000000004C3000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL behavioral1/memory/1760-12-0x00000000000D0000-0x0000000000316000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL behavioral1/memory/1760-14-0x00000000000D0000-0x0000000000316000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL behavioral1/memory/1760-13-0x00000000000D0000-0x0000000000316000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL behavioral1/memory/1760-67-0x00000000000D0000-0x0000000000316000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL behavioral1/memory/1760-68-0x00000000000D0000-0x0000000000316000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL behavioral1/memory/1760-70-0x00000000000D0000-0x0000000000316000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL -
Detects executables containing potential Windows Defender anti-emulation checks 8 IoCs
Processes:
resource yara_rule behavioral1/memory/1736-3-0x0000000000400000-0x00000000004C3000-memory.dmp INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation behavioral1/memory/1736-11-0x0000000000400000-0x00000000004C3000-memory.dmp INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation behavioral1/memory/1760-12-0x00000000000D0000-0x0000000000316000-memory.dmp INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation behavioral1/memory/1760-14-0x00000000000D0000-0x0000000000316000-memory.dmp INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation behavioral1/memory/1760-13-0x00000000000D0000-0x0000000000316000-memory.dmp INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation behavioral1/memory/1760-67-0x00000000000D0000-0x0000000000316000-memory.dmp INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation behavioral1/memory/1760-68-0x00000000000D0000-0x0000000000316000-memory.dmp INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation behavioral1/memory/1760-70-0x00000000000D0000-0x0000000000316000-memory.dmp INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 1620 cmd.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
43ab8d538551ee2d920b1780bced4a7e97a3e9cf8d6f47b6634219120c1ca3de.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\SmokerLtd = "C:\\Users\\Admin\\Documents\\CherrishNu\\Toopan.exe" 43ab8d538551ee2d920b1780bced4a7e97a3e9cf8d6f47b6634219120c1ca3de.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
Processes:
43ab8d538551ee2d920b1780bced4a7e97a3e9cf8d6f47b6634219120c1ca3de.exepid process 1736 43ab8d538551ee2d920b1780bced4a7e97a3e9cf8d6f47b6634219120c1ca3de.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
43ab8d538551ee2d920b1780bced4a7e97a3e9cf8d6f47b6634219120c1ca3de.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 43ab8d538551ee2d920b1780bced4a7e97a3e9cf8d6f47b6634219120c1ca3de.exe -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 2024 timeout.exe -
Processes:
43ab8d538551ee2d920b1780bced4a7e97a3e9cf8d6f47b6634219120c1ca3de.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25 43ab8d538551ee2d920b1780bced4a7e97a3e9cf8d6f47b6634219120c1ca3de.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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 43ab8d538551ee2d920b1780bced4a7e97a3e9cf8d6f47b6634219120c1ca3de.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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 43ab8d538551ee2d920b1780bced4a7e97a3e9cf8d6f47b6634219120c1ca3de.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
43ab8d538551ee2d920b1780bced4a7e97a3e9cf8d6f47b6634219120c1ca3de.exepid process 1760 43ab8d538551ee2d920b1780bced4a7e97a3e9cf8d6f47b6634219120c1ca3de.exe -
Suspicious use of WriteProcessMemory 18 IoCs
Processes:
43ab8d538551ee2d920b1780bced4a7e97a3e9cf8d6f47b6634219120c1ca3de.exe43ab8d538551ee2d920b1780bced4a7e97a3e9cf8d6f47b6634219120c1ca3de.execmd.exedescription pid process target process PID 1736 wrote to memory of 1760 1736 43ab8d538551ee2d920b1780bced4a7e97a3e9cf8d6f47b6634219120c1ca3de.exe 43ab8d538551ee2d920b1780bced4a7e97a3e9cf8d6f47b6634219120c1ca3de.exe PID 1736 wrote to memory of 1760 1736 43ab8d538551ee2d920b1780bced4a7e97a3e9cf8d6f47b6634219120c1ca3de.exe 43ab8d538551ee2d920b1780bced4a7e97a3e9cf8d6f47b6634219120c1ca3de.exe PID 1736 wrote to memory of 1760 1736 43ab8d538551ee2d920b1780bced4a7e97a3e9cf8d6f47b6634219120c1ca3de.exe 43ab8d538551ee2d920b1780bced4a7e97a3e9cf8d6f47b6634219120c1ca3de.exe PID 1736 wrote to memory of 1760 1736 43ab8d538551ee2d920b1780bced4a7e97a3e9cf8d6f47b6634219120c1ca3de.exe 43ab8d538551ee2d920b1780bced4a7e97a3e9cf8d6f47b6634219120c1ca3de.exe PID 1736 wrote to memory of 1760 1736 43ab8d538551ee2d920b1780bced4a7e97a3e9cf8d6f47b6634219120c1ca3de.exe 43ab8d538551ee2d920b1780bced4a7e97a3e9cf8d6f47b6634219120c1ca3de.exe PID 1736 wrote to memory of 1760 1736 43ab8d538551ee2d920b1780bced4a7e97a3e9cf8d6f47b6634219120c1ca3de.exe 43ab8d538551ee2d920b1780bced4a7e97a3e9cf8d6f47b6634219120c1ca3de.exe PID 1736 wrote to memory of 1760 1736 43ab8d538551ee2d920b1780bced4a7e97a3e9cf8d6f47b6634219120c1ca3de.exe 43ab8d538551ee2d920b1780bced4a7e97a3e9cf8d6f47b6634219120c1ca3de.exe PID 1736 wrote to memory of 1760 1736 43ab8d538551ee2d920b1780bced4a7e97a3e9cf8d6f47b6634219120c1ca3de.exe 43ab8d538551ee2d920b1780bced4a7e97a3e9cf8d6f47b6634219120c1ca3de.exe PID 1736 wrote to memory of 1760 1736 43ab8d538551ee2d920b1780bced4a7e97a3e9cf8d6f47b6634219120c1ca3de.exe 43ab8d538551ee2d920b1780bced4a7e97a3e9cf8d6f47b6634219120c1ca3de.exe PID 1736 wrote to memory of 1760 1736 43ab8d538551ee2d920b1780bced4a7e97a3e9cf8d6f47b6634219120c1ca3de.exe 43ab8d538551ee2d920b1780bced4a7e97a3e9cf8d6f47b6634219120c1ca3de.exe PID 1760 wrote to memory of 1620 1760 43ab8d538551ee2d920b1780bced4a7e97a3e9cf8d6f47b6634219120c1ca3de.exe cmd.exe PID 1760 wrote to memory of 1620 1760 43ab8d538551ee2d920b1780bced4a7e97a3e9cf8d6f47b6634219120c1ca3de.exe cmd.exe PID 1760 wrote to memory of 1620 1760 43ab8d538551ee2d920b1780bced4a7e97a3e9cf8d6f47b6634219120c1ca3de.exe cmd.exe PID 1760 wrote to memory of 1620 1760 43ab8d538551ee2d920b1780bced4a7e97a3e9cf8d6f47b6634219120c1ca3de.exe cmd.exe PID 1620 wrote to memory of 2024 1620 cmd.exe timeout.exe PID 1620 wrote to memory of 2024 1620 cmd.exe timeout.exe PID 1620 wrote to memory of 2024 1620 cmd.exe timeout.exe PID 1620 wrote to memory of 2024 1620 cmd.exe timeout.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\43ab8d538551ee2d920b1780bced4a7e97a3e9cf8d6f47b6634219120c1ca3de.exe"C:\Users\Admin\AppData\Local\Temp\43ab8d538551ee2d920b1780bced4a7e97a3e9cf8d6f47b6634219120c1ca3de.exe"1⤵
- Adds Run key to start application
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:1736 -
C:\Users\Admin\AppData\Local\Temp\43ab8d538551ee2d920b1780bced4a7e97a3e9cf8d6f47b6634219120c1ca3de.exe"C:\Users\Admin\AppData\Local\Temp\43ab8d538551ee2d920b1780bced4a7e97a3e9cf8d6f47b6634219120c1ca3de.exe"2⤵
- Checks processor information in registry
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1760 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\43ab8d538551ee2d920b1780bced4a7e97a3e9cf8d6f47b6634219120c1ca3de.exe" & rd /s /q "C:\ProgramData\CBAKJKJJJECF" & exit3⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1620 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- Delays execution with timeout.exe
PID:2024
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
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Filesize
181KB
MD54ea6026cf93ec6338144661bf1202cd1
SHA1a1dec9044f750ad887935a01430bf49322fbdcb7
SHA2568efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA5126c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b