Analysis
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max time kernel
144s -
max time network
146s -
platform
windows10-1703_x64 -
resource
win10-20220812-en -
resource tags
arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system -
submitted
26-12-2022 12:01
Static task
static1
Behavioral task
behavioral1
Sample
5c88845385cb608428682e0772fc3ae0fe9e8e97186d438a655e12f3d0d157e0.exe
Resource
win10-20220812-en
Behavioral task
behavioral2
Sample
5c88845385cb608428682e0772fc3ae0fe9e8e97186d438a655e12f3d0d157e0.exe
Resource
win7-20221111-en
Behavioral task
behavioral3
Sample
5c88845385cb608428682e0772fc3ae0fe9e8e97186d438a655e12f3d0d157e0.exe
Resource
win10v2004-20221111-en
General
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Target
5c88845385cb608428682e0772fc3ae0fe9e8e97186d438a655e12f3d0d157e0.exe
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Size
1.4MB
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MD5
8ee199d8f0f0244ff70074873ac3ab0e
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SHA1
86cee451ee2a9470a06a5b5cadcec45869f9f8ae
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SHA256
5c88845385cb608428682e0772fc3ae0fe9e8e97186d438a655e12f3d0d157e0
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SHA512
0ee927efd0df67fc46b9fe8920f5244043e02468aa2c7fd420e017313bcf61c368c7d062fc3153dd926ca55b742df6bd16213d0a635dbf4da25d7e948b59c718
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SSDEEP
24576:GHZpi1ZGIRtOi3PdD+qMVyC+N+Ahfv5Ya4nKrE4:NZGI7DdDaVP+NfuamKrT
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/3520-151-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/3520-156-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral1/memory/3520-178-0x0000000000400000-0x0000000000608000-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-1-5-21-1099808672-3828198950-1535142148-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ 5c88845385cb608428682e0772fc3ae0fe9e8e97186d438a655e12f3d0d157e0.exe Set value (str) \REGISTRY\USER\S-1-5-21-1099808672-3828198950-1535142148-1000\Software\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" 5c88845385cb608428682e0772fc3ae0fe9e8e97186d438a655e12f3d0d157e0.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 4 IoCs
pid Process 3520 5c88845385cb608428682e0772fc3ae0fe9e8e97186d438a655e12f3d0d157e0.exe 3520 5c88845385cb608428682e0772fc3ae0fe9e8e97186d438a655e12f3d0d157e0.exe 3520 5c88845385cb608428682e0772fc3ae0fe9e8e97186d438a655e12f3d0d157e0.exe 3520 5c88845385cb608428682e0772fc3ae0fe9e8e97186d438a655e12f3d0d157e0.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\5c88845385cb608428682e0772fc3ae0fe9e8e97186d438a655e12f3d0d157e0.exe"C:\Users\Admin\AppData\Local\Temp\5c88845385cb608428682e0772fc3ae0fe9e8e97186d438a655e12f3d0d157e0.exe"1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:3520