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
7526b1d12937ee52dca89bfc047d1e3ac054a233644995221f90e01f6b609c1f
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Size
52KB
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MD5
0824023be59b5b0bbec1de4bd615686c
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SHA1
bdcc5ca22f1d25e9813585d4873aa7a3fe50ba14
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SHA256
7526b1d12937ee52dca89bfc047d1e3ac054a233644995221f90e01f6b609c1f
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SHA512
e738bb7270220125d12befdd4f3ca2bca21dcab1e46509cc414b66a666ba4ce0f7bab4ab40fd3295a8b405667beddd308c397ec4f66fdffddffa0ece105aaf2d
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SSDEEP
768:HuYYlhRfIKXpZkFyVxvRkNZEF4M66uTUeKYAm6McWOpxKfI6GWIRuYYdKPUaYTRp:R+PfDZZPvFZ67ToYAnMLUxJMYhgT6GD
Malware Config
Extracted
njrat
Platinum
HacKed
127.0.0.1:55658
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 unpack001/SteamWindowsServiceUpdateSetup.exe
Files
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7526b1d12937ee52dca89bfc047d1e3ac054a233644995221f90e01f6b609c1f.zip
Password: infected
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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