Analysis
-
max time kernel
11s -
max time network
160s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
30-09-2023 16:24
Static task
static1
Behavioral task
behavioral1
Sample
70928f07076ca83678812570f1e9f05c.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
70928f07076ca83678812570f1e9f05c.exe
Resource
win10v2004-20230915-en
General
-
Target
70928f07076ca83678812570f1e9f05c.exe
-
Size
11.3MB
-
MD5
70928f07076ca83678812570f1e9f05c
-
SHA1
9900429544963a60441ee1ef841eed87eeebf69a
-
SHA256
4a20d88652a74ef776db2ace59a63815f3c446fb62f7d443145a97158ec19436
-
SHA512
71cc7c856950194da15d7fab029d47ce697807973bf501a41aca7fe56df54f513cd63d47a098a7842262f7edc915b79748679468586bcbb88b0284b46d59329c
-
SSDEEP
49152:fRBZj7amA9VSLGmJH77dPh89WU4OYDVD/ZnxMBStAkAqvlABXj6TKol4NWFg/Bbv:pW
Malware Config
Signatures
-
Shurk
Shurk is an infostealer, written in C++ which appeared in 2021.
-
Shurk Stealer payload 1 IoCs
resource yara_rule behavioral2/memory/4912-1-0x00007FF4E3F30000-0x00007FF4E474B000-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.
-
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
-
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 20 checkip.amazonaws.com -
GoLang User-Agent 2 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 21 Go-http-client/1.1 HTTP User-Agent header 24 Go-http-client/1.1