Analysis
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max time kernel
122s -
max time network
145s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
10-10-2023 20:58
Static task
static1
Behavioral task
behavioral1
Sample
473aac17809166bf28de22bc69be691d.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
473aac17809166bf28de22bc69be691d.exe
Resource
win10v2004-20230915-en
General
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Target
473aac17809166bf28de22bc69be691d.exe
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Size
16.2MB
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MD5
473aac17809166bf28de22bc69be691d
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SHA1
9d04afca26ad22d4f9a67e6c0ee7c2598a33f899
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SHA256
be32373f5df36c7a3a9fa576fcc3dc31e242311538524c0052b92cb8af60642f
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SHA512
6931e334c39e7e6c44b614ac4156448122816b3385e3c6b099b68c0cc21047440d215e8ac289ef78ff6992829d33334d765b87a5c6062b305fe86b3b4a079eaa
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SSDEEP
24576:fwD3Xxz42akTMBIw8HSvYwgL2K9oU+7VkZ0f3iOm1rExLBnCq/L0sWaqt3zQbEH0:wz42akTMBx
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/1728-1-0x000007FFFF790000-0x000007FFFFFAB000-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