General
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Target
st.zip
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Size
2.7MB
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Sample
241116-3njp4awfmh
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MD5
d0f381809b17b56a6c7522c7bfdbd0c5
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SHA1
ec3e414ac86810ff16be71df7b3cfa6c5ee62972
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SHA256
0237c90c908b4f4571ad61ce1ee36d46a247f6dbe128a55a978de56346738141
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SHA512
ba71e0e39009f8ad60ffbea7da163a2c7ea1318f8cf17b3baae8e523ba094f2cbeaca554b0343765314f8e7ed17b4114117d7c80d20fdd092d1a457d52aa1966
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SSDEEP
49152:6Ju962vZaT5Av/ZST3ZIeXKxCIwBFuZJinhxP7eGG0/N7zO7SnI8:6M962I9Ie6CPuZMhxDeaNGkI8
Static task
static1
Behavioral task
behavioral1
Sample
SteamtoolsSetup.exe
Resource
win11-20241007-en
Malware Config
Targets
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Target
SteamtoolsSetup.exe
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Size
978KB
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MD5
bbf15e65d4e3c3580fc54adf1be95201
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SHA1
79091be8f7f7a6e66669b6a38e494cf7a62b5117
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SHA256
c9f2e2abb046ff2535537182edf9a9b748aa10a22e98a1d8c948d874f4ffb304
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SHA512
9bb261b4ed84af846e07ffb6352960687e59428fd497faa0a37d70b57a1a7430d48ac350fbb0c3f0f11e4231a98ebca4d6923deba0949fdd7a247a3c02737355
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SSDEEP
24576:4Fa9OUi2VoN2gZ1M8UQag3BXrYZt+GgGTfG74T+TRcL:Z9OUiTN2gZ1MExEZkkf+4TARg
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Downloads MZ/PE file
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A potential corporate email address has been identified in the URL: Montserratwght@300
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Executes dropped EXE
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Loads dropped DLL
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Adds Run key to start application
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Modify Registry
2Subvert Trust Controls
2Install Root Certificate
1SIP and Trust Provider Hijacking
1