Static task
static1
Behavioral task
behavioral1
Sample
csrss.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
csrss.exe
Resource
win10v2004-20230221-en
General
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Target
csrss.exe
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Size
214KB
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MD5
0f1cf6c5d878b48a71c98096c0b0ea31
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SHA1
7a3c00ec887c4d862522ae98334e53b165a5ecdc
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SHA256
4ef7ee5df78517c2442a3837660e16b9cd2b9f6d1fc37c437456a6aefe02ab52
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SHA512
006e30d1a57ac4a1cfb711d03cf4f827c4a6b6f8f200138cd0425fd784ba747c45089654d1a324754df8b236fb520bc6369ddb8b3fb983fc0def84831eee2617
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SSDEEP
3072:wUOI0xj/YzOOFX/7KvIwJv/rx2T6be1IcmXwxWtX5T76RE1eKwGnuaddc4FDdFQb:wUQSM5TuOwGnuajQS0
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource csrss.exe
Files
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csrss.exe.exe windows 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: 211KB - Virtual size: 211KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 1KB - Virtual size: 1KB
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