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Analysis
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max time kernel
38s -
max time network
42s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
09/06/2022, 14:42
Static task
static1
Behavioral task
behavioral1
Sample
MIXONE.exe
Resource
win7-20220414-en
General
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Target
MIXONE.exe
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Size
268KB
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MD5
27dc719db81a482a554dfa94992c53fe
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SHA1
61ab59cc71f745afa1c4668ffba8253b4b2b52d6
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SHA256
90c0e76b7fee7b989428081fb1a754f45c3c0bee42131a03dbb1450d370dd793
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SHA512
9ef986d23b4b9a3dc7d4eb0f1c5f819fb41938df35c512ec57fdfda49be2c58a7ad503165f3475d93f470b2bbd1afc1bddff56ba2139f3706643b01056514c95
Malware Config
Extracted
arkei
Default
Signatures
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suricata: ET MALWARE Win32/Vidar Variant/Mars CnC Activity (GET)
suricata: ET MALWARE Win32/Vidar Variant/Mars CnC Activity (GET)
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suricata: ET MALWARE Win32/Vidar Variant/Mars Stealer CnC Exfil
suricata: ET MALWARE Win32/Vidar Variant/Mars Stealer CnC Exfil
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Deletes itself 1 IoCs
pid Process 1440 cmd.exe -
Loads dropped DLL 2 IoCs
pid Process 1704 MIXONE.exe 1704 MIXONE.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.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 MIXONE.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString MIXONE.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 1824 timeout.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1704 wrote to memory of 1440 1704 MIXONE.exe 29 PID 1704 wrote to memory of 1440 1704 MIXONE.exe 29 PID 1704 wrote to memory of 1440 1704 MIXONE.exe 29 PID 1704 wrote to memory of 1440 1704 MIXONE.exe 29 PID 1440 wrote to memory of 1824 1440 cmd.exe 31 PID 1440 wrote to memory of 1824 1440 cmd.exe 31 PID 1440 wrote to memory of 1824 1440 cmd.exe 31 PID 1440 wrote to memory of 1824 1440 cmd.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\MIXONE.exe"C:\Users\Admin\AppData\Local\Temp\MIXONE.exe"1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:1704 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\MIXONE.exe" & exit2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1440 -
C:\Windows\SysWOW64\timeout.exetimeout /t 53⤵
- Delays execution with timeout.exe
PID:1824
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
133KB
MD58f73c08a9660691143661bf7332c3c27
SHA137fa65dd737c50fda710fdbde89e51374d0c204a
SHA2563fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd
SHA5120042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89
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Filesize
1.2MB
MD5bfac4e3c5908856ba17d41edcd455a51
SHA18eec7e888767aa9e4cca8ff246eb2aacb9170428
SHA256e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78
SHA5122565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66