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
8eb6b264c921357129923129497b50af
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SHA1
0cae8da62c423594915457d4958ed8fc73e08d4f
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SHA256
bbd0017cc075f23df97550847e3945a905da2c3ed8ca0d06dc030ed67d15a92c
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SHA512
eb1c12e2293cca7074948f06ac76aa7be062af5c9d0eefa83bdebc86fe90b4b875b76ad889103bcd9da40039793673e5660ec42a36469607ee838d7a10e24e8a
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SSDEEP
6144:9Dk9zivMI+GIIIIIIIhIIIIIIIIIIIIIIIU:9DZG
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 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