Resubmissions
29-01-2023 18:09
230129-wrszlshh51 10Analysis
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max time kernel
40s -
max time network
93s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
29-01-2023 18:09
Static task
static1
Behavioral task
behavioral1
Sample
cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe
Resource
win10v2004-20220812-en
General
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Target
cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe
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Size
1.4MB
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MD5
3ebe6fc2765d0c6d7286b19d2cd29cd9
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SHA1
9aff7f15bccbdd0961fc6d803687b749ef2f304b
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SHA256
cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353
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SHA512
3bdf9a3900b78ccd10f2ca004001f14cec8213d7eca8d1e6d12f9718df0883e2d1d9efca256101bdf915eff98f2472e7605f12b8ebb24c9ad02e7f043d4129c7
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SSDEEP
24576:C3IpPeRM4fkcxdvdnjqtei/y1RNSA4QGF4ivjis:3P6fkUdFnjqkj1vSA5Li1
Malware Config
Signatures
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Troldesh, Shade, Encoder.858
Troldesh is a ransomware spread by malspam.
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resource yara_rule behavioral1/memory/968-55-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/968-57-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/968-58-0x0000000000400000-0x0000000000608000-memory.dmp upx -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe -
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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Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 968 cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe 968 cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 968 cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe"C:\Users\Admin\AppData\Local\Temp\cc8a92319d9e60f28bfbcd88451a6fccfa997169ac85a121c710b13235198353.exe"1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
PID:968