b56e025d3efa3a65a6d31daff33d11f8.exe
b56e025d3efa3a65a6d31daff33d11f8.exe
310KB
25-11-2021 16:49
b56e025d3efa3a65a6d31daff33d11f8
6bf85a2da13381521053967cf6de35249eae84b8
61743625175cf4def0b55b55f8b5f7193e10de0b2de17236a59e4f5e9b081cf4
Extracted
| Family | arkei |
| Botnet | Default |
| C2 |
http://file-file-host4.com/tratata.php |
Filter: none
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Arkei
Description
Arkei is an infostealer written in C++.
Tags
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Arkei Stealer Payload
Tags
Reported IOCs
resource yara_rule behavioral1/memory/268-57-0x0000000000220000-0x0000000000241000-memory.dmp family_arkei behavioral1/memory/268-58-0x0000000000400000-0x0000000001C04000-memory.dmp family_arkei -
Downloads MZ/PE file
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Deletes itselfcmd.exe
Reported IOCs
pid process 1784 cmd.exe -
Loads dropped DLLb56e025d3efa3a65a6d31daff33d11f8.exe
Reported IOCs
pid process 268 b56e025d3efa3a65a6d31daff33d11f8.exe 268 b56e025d3efa3a65a6d31daff33d11f8.exe 268 b56e025d3efa3a65a6d31daff33d11f8.exe 268 b56e025d3efa3a65a6d31daff33d11f8.exe 268 b56e025d3efa3a65a6d31daff33d11f8.exe -
Reads user/profile data of web browsers
Description
Infostealers often target stored browser data, which can include saved credentials etc.
Tags
TTPs
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Accesses cryptocurrency files/wallets, possible credential harvesting
Tags
TTPs
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Checks installed software on the system
Description
Looks up Uninstall key entries in the registry to enumerate software on the system.
Tags
TTPs
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Enumerates physical storage devices
Description
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
TTPs
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Checks processor information in registryb56e025d3efa3a65a6d31daff33d11f8.exe
Description
Processor information is often read in order to detect sandboxing environments.
TTPs
Reported IOCs
description ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 b56e025d3efa3a65a6d31daff33d11f8.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString b56e025d3efa3a65a6d31daff33d11f8.exe -
Delays execution with timeout.exetimeout.exe
Tags
Reported IOCs
pid process 1384 timeout.exe -
Suspicious use of WriteProcessMemoryb56e025d3efa3a65a6d31daff33d11f8.execmd.exe
Reported IOCs
description pid process target process PID 268 wrote to memory of 1784 268 b56e025d3efa3a65a6d31daff33d11f8.exe cmd.exe PID 268 wrote to memory of 1784 268 b56e025d3efa3a65a6d31daff33d11f8.exe cmd.exe PID 268 wrote to memory of 1784 268 b56e025d3efa3a65a6d31daff33d11f8.exe cmd.exe PID 268 wrote to memory of 1784 268 b56e025d3efa3a65a6d31daff33d11f8.exe cmd.exe PID 1784 wrote to memory of 1384 1784 cmd.exe timeout.exe PID 1784 wrote to memory of 1384 1784 cmd.exe timeout.exe PID 1784 wrote to memory of 1384 1784 cmd.exe timeout.exe PID 1784 wrote to memory of 1384 1784 cmd.exe timeout.exe
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C:\Users\Admin\AppData\Local\Temp\b56e025d3efa3a65a6d31daff33d11f8.exePID:268"C:\Users\Admin\AppData\Local\Temp\b56e025d3efa3a65a6d31daff33d11f8.exe"Loads dropped DLLChecks processor information in registrySuspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exePID:1784"C:\Windows\System32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\b56e025d3efa3a65a6d31daff33d11f8.exe" & exitDeletes itselfSuspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exePID:1384timeout /t 5Delays execution with timeout.exe
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\ProgramData\mozglue.dll
MD58f73c08a9660691143661bf7332c3c27
SHA137fa65dd737c50fda710fdbde89e51374d0c204a
SHA2563fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd
SHA5120042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89
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\ProgramData\msvcp140.dll
MD5109f0f02fd37c84bfc7508d4227d7ed5
SHA1ef7420141bb15ac334d3964082361a460bfdb975
SHA256334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4
SHA51246eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39
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\ProgramData\nss3.dll
MD5bfac4e3c5908856ba17d41edcd455a51
SHA18eec7e888767aa9e4cca8ff246eb2aacb9170428
SHA256e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78
SHA5122565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66
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\ProgramData\sqlite3.dll
MD5e477a96c8f2b18d6b5c27bde49c990bf
SHA1e980c9bf41330d1e5bd04556db4646a0210f7409
SHA25616574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660
SHA512335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c
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\ProgramData\vcruntime140.dll
MD57587bf9cb4147022cd5681b015183046
SHA1f2106306a8f6f0da5afb7fc765cfa0757ad5a628
SHA256c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d
SHA5120b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f
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memory/268-58-0x0000000000400000-0x0000000001C04000-memory.dmp
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memory/268-55-0x000000000206B000-0x000000000207F000-memory.dmp
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memory/268-56-0x00000000763C1000-0x00000000763C3000-memory.dmp
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memory/268-57-0x0000000000220000-0x0000000000241000-memory.dmp
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memory/1384-65-0x0000000000000000-mapping.dmp
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memory/1784-64-0x0000000000000000-mapping.dmp