Analysis
-
max time kernel
138s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20220718-en -
resource tags
arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system -
submitted
27-07-2022 15:57
Static task
static1
Behavioral task
behavioral1
Sample
6c5a58b7e7788ca66dc9e34d25aeaf9c.exe
Resource
win7-20220718-en
Behavioral task
behavioral2
Sample
6c5a58b7e7788ca66dc9e34d25aeaf9c.exe
Resource
win10v2004-20220721-en
General
-
Target
6c5a58b7e7788ca66dc9e34d25aeaf9c.exe
-
Size
1.1MB
-
MD5
6c5a58b7e7788ca66dc9e34d25aeaf9c
-
SHA1
2be6196a12b76f09ba4d4fbfd7f62c56b05ceb0c
-
SHA256
448e299e8b9a9fe5e4c89b5192aa3034be37588366172ceba7db9f5816d18523
-
SHA512
4219e1219042f7f2355807ed7f68dcf4dcfdd9827ef4f277b39d7aafdaba71eb939acbc473f6352285faf6ac5d7376f666ed95f4ced37f12cb51e381154645fa
Malware Config
Signatures
-
Troldesh, Shade, Encoder.858
Troldesh is a ransomware spread by malspam.
-
resource yara_rule behavioral1/memory/640-56-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/640-57-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/640-59-0x0000000000400000-0x0000000000608000-memory.dmp upx -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4084403625-2215941253-1760665084-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ 6c5a58b7e7788ca66dc9e34d25aeaf9c.exe Set value (str) \REGISTRY\USER\S-1-5-21-4084403625-2215941253-1760665084-1000\Software\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" 6c5a58b7e7788ca66dc9e34d25aeaf9c.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 640 6c5a58b7e7788ca66dc9e34d25aeaf9c.exe 640 6c5a58b7e7788ca66dc9e34d25aeaf9c.exe -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 640 6c5a58b7e7788ca66dc9e34d25aeaf9c.exe