Behavioral task
behavioral1
Sample
SteamWindowsServiceUpdateSetup.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
SteamWindowsServiceUpdateSetup.exe
Resource
win10v2004-20240802-en
General
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Target
SteamWindowsServiceUpdateSetup.exe
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Size
329KB
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MD5
3afce21fb5a22fb3c142ad97c069a6b4
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SHA1
28d983a652a5b7a63119222e35c5f53210575e48
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SHA256
d01f0a0c3c059ce2f88483e39f63d6a8febd32540106d7f1052bbe500c714dff
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SHA512
0c5aa03797985652bb32c3f5337aa9e590ef367cbf71425a86091cc10ede4f4e58f08fe5713e95faf13ac6f987fef03f1dfca6d78c3813ba019856bd7393594c
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SSDEEP
6144:7d29zCvMI+GIIIIIIIhIIIIIIIIIIIIIIIU:7dDG
Malware Config
Extracted
njrat
Platinum
HacKed
127.0.0.1:8848
SteamWindowsUPDATESERVICE.exe
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reg_key
SteamWindowsUPDATESERVICE.exe
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splitter
|Ghost|
Signatures
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Njrat family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource SteamWindowsServiceUpdateSetup.exe
Files
-
SteamWindowsServiceUpdateSetup.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: 63KB - Virtual size: 63KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 265KB - Virtual size: 264KB
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