Analysis
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max time kernel
121s -
max time network
137s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
10-10-2023 21:02
Static task
static1
Behavioral task
behavioral1
Sample
70928f07076ca83678812570f1e9f05c.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
70928f07076ca83678812570f1e9f05c.exe
Resource
win10v2004-20230915-en
General
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Target
70928f07076ca83678812570f1e9f05c.exe
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Size
11.3MB
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MD5
70928f07076ca83678812570f1e9f05c
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SHA1
9900429544963a60441ee1ef841eed87eeebf69a
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SHA256
4a20d88652a74ef776db2ace59a63815f3c446fb62f7d443145a97158ec19436
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SHA512
71cc7c856950194da15d7fab029d47ce697807973bf501a41aca7fe56df54f513cd63d47a098a7842262f7edc915b79748679468586bcbb88b0284b46d59329c
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SSDEEP
49152:fRBZj7amA9VSLGmJH77dPh89WU4OYDVD/ZnxMBStAkAqvlABXj6TKol4NWFg/Bbv:pW
Malware Config
Signatures
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Shurk
Shurk is an infostealer, written in C++ which appeared in 2021.
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Shurk Stealer payload 1 IoCs
resource yara_rule behavioral1/memory/2260-0-0x000007FFFF790000-0x000007FFFFFAB000-memory.dmp shurk_stealer -
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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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 2 checkip.amazonaws.com -
GoLang User-Agent 3 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 3 Go-http-client/1.1 HTTP User-Agent header 5 Go-http-client/1.1 HTTP User-Agent header 6 Go-http-client/1.1