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Analysis
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max time kernel
150s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
04/02/2024, 11:59
Static task
static1
Behavioral task
behavioral1
Sample
VirusShare_21450cdf5b7b9ec242562798c6c31a59.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
VirusShare_21450cdf5b7b9ec242562798c6c31a59.exe
Resource
win10v2004-20231222-en
General
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Target
VirusShare_21450cdf5b7b9ec242562798c6c31a59.exe
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Size
803KB
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MD5
21450cdf5b7b9ec242562798c6c31a59
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SHA1
625ec4872d88f5e9d33f4644c435f100f91e9849
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SHA256
c326e51ec81e0965c4d8eb91dffb932fd8e688884fa5094acb164568bdefecda
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SHA512
6bd6a49e8a6e3596c4ca086028177b43ecf38cea7762d8f7c4fced7c0c478c87fbd24db92bf02757eaad35f0fc4997ad29446097fa7076b371172e912bbd4641
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SSDEEP
12288:IevKZvYWDBPzxBC31Fr181AeKX+IPzE0pRrmwYCi4jgHqdfdBvaQ5dxpcs3zmF:EZRV/CO1bczZR7iBHqd75djU
Malware Config
Signatures
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Detects Windows executables referencing non-Windows User-Agents 3 IoCs
resource yara_rule behavioral1/memory/1956-4-0x0000000000400000-0x0000000000628000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral1/memory/1956-5-0x0000000000400000-0x0000000000628000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral1/memory/1956-6-0x0000000000400000-0x0000000000628000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA -
Detects executables referencing many file transfer clients. Observed in information stealers 3 IoCs
resource yara_rule behavioral1/memory/1956-4-0x0000000000400000-0x0000000000628000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients behavioral1/memory/1956-5-0x0000000000400000-0x0000000000628000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients behavioral1/memory/1956-6-0x0000000000400000-0x0000000000628000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients -
UPX dump on OEP (original entry point) 4 IoCs
resource yara_rule behavioral1/memory/1956-2-0x0000000000400000-0x0000000000628000-memory.dmp UPX behavioral1/memory/1956-4-0x0000000000400000-0x0000000000628000-memory.dmp UPX behavioral1/memory/1956-5-0x0000000000400000-0x0000000000628000-memory.dmp UPX behavioral1/memory/1956-6-0x0000000000400000-0x0000000000628000-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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resource yara_rule behavioral1/memory/1956-2-0x0000000000400000-0x0000000000628000-memory.dmp upx behavioral1/memory/1956-1-0x0000000000400000-0x0000000000628000-memory.dmp upx behavioral1/memory/1956-4-0x0000000000400000-0x0000000000628000-memory.dmp upx behavioral1/memory/1956-5-0x0000000000400000-0x0000000000628000-memory.dmp upx behavioral1/memory/1956-6-0x0000000000400000-0x0000000000628000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\SonyAgent = "C:\\Users\\Admin\\AppData\\Local\\Temp\\VirusShare_21450cdf5b7b9ec242562798c6c31a59.exe" VirusShare_21450cdf5b7b9ec242562798c6c31a59.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.