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Analysis
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max time kernel
91s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
07/07/2022, 15:10
Static task
static1
Behavioral task
behavioral1
Sample
ac4e6130232c4f7f8d7166b0004366c1e078f93b51addcf8080c28b1fac5d12c.exe
Resource
win7-20220414-en
General
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Target
ac4e6130232c4f7f8d7166b0004366c1e078f93b51addcf8080c28b1fac5d12c.exe
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Size
362KB
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MD5
0a0503dce0e780c82d119fa033577cfe
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SHA1
0e577608c1f0766c6d1e88f8a081fc58663517e8
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SHA256
ac4e6130232c4f7f8d7166b0004366c1e078f93b51addcf8080c28b1fac5d12c
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SHA512
220674cdda4162e2130b96a40340966d78bb0962edcf0ec50bf0b9e210b5b8f25b4d4863ef6118c48614833dd10c4fbae7f305043f13d1c831040a02954bbbbe
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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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation ac4e6130232c4f7f8d7166b0004366c1e078f93b51addcf8080c28b1fac5d12c.exe -
Loads dropped DLL 2 IoCs
pid Process 3744 ac4e6130232c4f7f8d7166b0004366c1e078f93b51addcf8080c28b1fac5d12c.exe 3744 ac4e6130232c4f7f8d7166b0004366c1e078f93b51addcf8080c28b1fac5d12c.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 ac4e6130232c4f7f8d7166b0004366c1e078f93b51addcf8080c28b1fac5d12c.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString ac4e6130232c4f7f8d7166b0004366c1e078f93b51addcf8080c28b1fac5d12c.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 4084 timeout.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3744 wrote to memory of 3148 3744 ac4e6130232c4f7f8d7166b0004366c1e078f93b51addcf8080c28b1fac5d12c.exe 85 PID 3744 wrote to memory of 3148 3744 ac4e6130232c4f7f8d7166b0004366c1e078f93b51addcf8080c28b1fac5d12c.exe 85 PID 3744 wrote to memory of 3148 3744 ac4e6130232c4f7f8d7166b0004366c1e078f93b51addcf8080c28b1fac5d12c.exe 85 PID 3148 wrote to memory of 4084 3148 cmd.exe 87 PID 3148 wrote to memory of 4084 3148 cmd.exe 87 PID 3148 wrote to memory of 4084 3148 cmd.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\ac4e6130232c4f7f8d7166b0004366c1e078f93b51addcf8080c28b1fac5d12c.exe"C:\Users\Admin\AppData\Local\Temp\ac4e6130232c4f7f8d7166b0004366c1e078f93b51addcf8080c28b1fac5d12c.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:3744 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\ac4e6130232c4f7f8d7166b0004366c1e078f93b51addcf8080c28b1fac5d12c.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:3148 -
C:\Windows\SysWOW64\timeout.exetimeout /t 53⤵
- Delays execution with timeout.exe
PID:4084
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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