Behavioral task
behavioral1
Sample
SteamSetupInstaller.exe
Resource
win7-20240220-en
General
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Target
SteamSetupInstaller.exe
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Size
326KB
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MD5
bfe5836093af56d276419bfe512d0e64
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SHA1
f7d4f14519514b3a8e8d80d0f04616f1e8665cb9
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SHA256
223eec0537605e77557f3ea5fe8f3145cac126736dfefdbf426f104df3f73bc0
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SHA512
f3cd7f5ad559fc360f71ba19ea3224333084ff8baf1cb65a6716542205213ceeea4325abf9e493f7dd323f136d99092a5b3ab7dbf06cf8e2b95c136734e11a82
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SSDEEP
6144:oJg6bUbg+GIIIIIIIhIIIIIIIIIIIIIIIU:BD
Malware Config
Extracted
xworm
127.0.0.1:7000
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install_file
USB.exe
Signatures
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Detect Xworm Payload 1 IoCs
resource yara_rule sample family_xworm -
Xworm family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource SteamSetupInstaller.exe
Files
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SteamSetupInstaller.exe.exe windows:4 windows x86 arch:x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 59KB - Virtual size: 59KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 265KB - Virtual size: 265KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ