Analysis
- max time kernel
76s - max time network
102s - platform
windows7_x64 - resource
win7-en-20210920 - submitted
29/09/2021, 03:56
Static task
static1
Behavioral task
behavioral1
Sample
14b02509f2ba30cfcc078432ed84cea9.exe
Resource
win7-en-20210920
0 signatures
0 seconds
General
- Target 14b02509f2ba30cfcc078432ed84cea9.exe
- Size 637KB
- Sample210929-ehc4csdfbq
- SHA256 c625e0872eb2819660ca4866d6baf587f81312e0cd99e5c1c5e22b009f2e2e7f
- MD5 14b02509f2ba30cfcc078432ed84cea9
- SHA1 8c696c9b3b854f24ba1d1bfbbb4f8036cbafacf3
- SHA512 6d76e566807bd61f4a7201540e943ad7913f119fa04a0878d1db762ed214ac8b4a255d693b27a0e26f8acd8166772358abfd15b4809d46ed7fc43dd519a1a8b9
- MD5 SHA1 SHA512
Malware Config
Signatures
- Vidar Stealer 2 IoCs
resource yara_rule behavioral1/memory/612-54-0x0000000001D90000-0x0000000001E64000-memory.dmp family_vidar behavioral1/memory/612-55-0x0000000000400000-0x00000000004D7000-memory.dmp family_vidar - Downloads MZ/PE file
- Deletes itself 1 IoCs
pid Process 1504 cmd.exe - Loads dropped DLL 4 IoCs
pid Process 612 14b02509f2ba30cfcc078432ed84cea9.exe 612 14b02509f2ba30cfcc078432ed84cea9.exe 612 14b02509f2ba30cfcc078432ed84cea9.exe 612 14b02509f2ba30cfcc078432ed84cea9.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 14b02509f2ba30cfcc078432ed84cea9.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 14b02509f2ba30cfcc078432ed84cea9.exe - Delays execution with timeout.exe 1 IoCs
pid Process 828 timeout.exe - Kills process with taskkill 1 IoCs
pid Process 1808 taskkill.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 612 14b02509f2ba30cfcc078432ed84cea9.exe 612 14b02509f2ba30cfcc078432ed84cea9.exe 612 14b02509f2ba30cfcc078432ed84cea9.exe 612 14b02509f2ba30cfcc078432ed84cea9.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1808 taskkill.exe - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 612 wrote to memory of 1504 612 14b02509f2ba30cfcc078432ed84cea9.exe 29 PID 612 wrote to memory of 1504 612 14b02509f2ba30cfcc078432ed84cea9.exe 29 PID 612 wrote to memory of 1504 612 14b02509f2ba30cfcc078432ed84cea9.exe 29 PID 612 wrote to memory of 1504 612 14b02509f2ba30cfcc078432ed84cea9.exe 29 PID 1504 wrote to memory of 1808 1504 cmd.exe 31 PID 1504 wrote to memory of 1808 1504 cmd.exe 31 PID 1504 wrote to memory of 1808 1504 cmd.exe 31 PID 1504 wrote to memory of 1808 1504 cmd.exe 31 PID 1504 wrote to memory of 828 1504 cmd.exe 33 PID 1504 wrote to memory of 828 1504 cmd.exe 33 PID 1504 wrote to memory of 828 1504 cmd.exe 33 PID 1504 wrote to memory of 828 1504 cmd.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\14b02509f2ba30cfcc078432ed84cea9.exe"C:\Users\Admin\AppData\Local\Temp\14b02509f2ba30cfcc078432ed84cea9.exe"1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:612 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im 14b02509f2ba30cfcc078432ed84cea9.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\14b02509f2ba30cfcc078432ed84cea9.exe" & del C:\ProgramData\*.dll & exit2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1504 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im 14b02509f2ba30cfcc078432ed84cea9.exe /f3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1808
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C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
PID:828
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