Analysis
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max time kernel
118s -
max time network
146s -
platform
windows10_x64 -
resource
win10-en-20211208 -
submitted
27-01-2022 04:25
Static task
static1
General
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Target
bd610b2389b0ea2a2d37bc31655de8aa44c96ea5836c873c8df49a715a57b602.exe
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Size
274KB
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MD5
c0cebf58bc464d40ada9444c8c19e955
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SHA1
52cc6a2c87862b1c815e843f154ec9cb66f345e9
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SHA256
bd610b2389b0ea2a2d37bc31655de8aa44c96ea5836c873c8df49a715a57b602
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SHA512
ed979071f02a7eaace9b393fb4b75265694fe2466c147858223351057e5513f5849830bc0170d0323956d088b9d68e5e880a262ebdc15351204649f5ee1a5490
Malware Config
Extracted
arkei
Default
http://coin-file-file-19.com/tratata.php
Signatures
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suricata: ET MALWARE Win32/Vidar Variant Stealer CnC Exfil
suricata: ET MALWARE Win32/Vidar Variant Stealer CnC Exfil
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Arkei Stealer Payload 2 IoCs
Processes:
resource yara_rule behavioral1/memory/3868-116-0x00000000005B0000-0x00000000005CC000-memory.dmp family_arkei behavioral1/memory/3868-117-0x0000000000400000-0x000000000044B000-memory.dmp family_arkei -
Downloads MZ/PE file
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Loads dropped DLL 3 IoCs
Processes:
bd610b2389b0ea2a2d37bc31655de8aa44c96ea5836c873c8df49a715a57b602.exepid process 3868 bd610b2389b0ea2a2d37bc31655de8aa44c96ea5836c873c8df49a715a57b602.exe 3868 bd610b2389b0ea2a2d37bc31655de8aa44c96ea5836c873c8df49a715a57b602.exe 3868 bd610b2389b0ea2a2d37bc31655de8aa44c96ea5836c873c8df49a715a57b602.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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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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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
bd610b2389b0ea2a2d37bc31655de8aa44c96ea5836c873c8df49a715a57b602.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 bd610b2389b0ea2a2d37bc31655de8aa44c96ea5836c873c8df49a715a57b602.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString bd610b2389b0ea2a2d37bc31655de8aa44c96ea5836c873c8df49a715a57b602.exe -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 3016 timeout.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
bd610b2389b0ea2a2d37bc31655de8aa44c96ea5836c873c8df49a715a57b602.execmd.exedescription pid process target process PID 3868 wrote to memory of 3444 3868 bd610b2389b0ea2a2d37bc31655de8aa44c96ea5836c873c8df49a715a57b602.exe cmd.exe PID 3868 wrote to memory of 3444 3868 bd610b2389b0ea2a2d37bc31655de8aa44c96ea5836c873c8df49a715a57b602.exe cmd.exe PID 3868 wrote to memory of 3444 3868 bd610b2389b0ea2a2d37bc31655de8aa44c96ea5836c873c8df49a715a57b602.exe cmd.exe PID 3444 wrote to memory of 3016 3444 cmd.exe timeout.exe PID 3444 wrote to memory of 3016 3444 cmd.exe timeout.exe PID 3444 wrote to memory of 3016 3444 cmd.exe timeout.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\bd610b2389b0ea2a2d37bc31655de8aa44c96ea5836c873c8df49a715a57b602.exe"C:\Users\Admin\AppData\Local\Temp\bd610b2389b0ea2a2d37bc31655de8aa44c96ea5836c873c8df49a715a57b602.exe"1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\bd610b2389b0ea2a2d37bc31655de8aa44c96ea5836c873c8df49a715a57b602.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout /t 53⤵
- Delays execution with timeout.exe
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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\ProgramData\mozglue.dllMD5
8f73c08a9660691143661bf7332c3c27
SHA137fa65dd737c50fda710fdbde89e51374d0c204a
SHA2563fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd
SHA5120042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89
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\ProgramData\nss3.dllMD5
bfac4e3c5908856ba17d41edcd455a51
SHA18eec7e888767aa9e4cca8ff246eb2aacb9170428
SHA256e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78
SHA5122565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66
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\ProgramData\sqlite3.dllMD5
e477a96c8f2b18d6b5c27bde49c990bf
SHA1e980c9bf41330d1e5bd04556db4646a0210f7409
SHA25616574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660
SHA512335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c
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memory/3868-115-0x00000000007C0000-0x00000000007EC000-memory.dmpFilesize
176KB
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memory/3868-116-0x00000000005B0000-0x00000000005CC000-memory.dmpFilesize
112KB
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memory/3868-117-0x0000000000400000-0x000000000044B000-memory.dmpFilesize
300KB