Static task
static1
Behavioral task
behavioral1
Sample
csrss.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
csrss.exe
Resource
win10-20240404-en
Behavioral task
behavioral3
Sample
csrss.exe
Resource
win10v2004-20240709-en
Behavioral task
behavioral4
Sample
csrss.exe
Resource
win11-20240709-en
General
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Target
csrss.exe
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Size
638KB
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MD5
12c26ab43202d2ef17553eeb17376c2a
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SHA1
0b6226071ab1711bbbfaca2cdad6783d2658d797
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SHA256
cb56bffb224d9bcff0753d58995c25f6f944bcb075560019cd87283e3b443aa3
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SHA512
215e497f9ead486e618b940109553a703042cc0dcd7802cd7c36aac296ddfe27a5ce693891ed50e64dd68a03ba029928ab2c302a38de04e02e5ce3b3c0661f79
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SSDEEP
12288:RQi9zSYMvrOK9BOKjHol+yFnWVOjTPlxsU807BN/9+FJeyuAJMX7QYQ:RQiE7eORaEOjRxsUrLUoJi
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:1 windows x86 arch:x86
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI
Sections
CODE Size: 39KB - Virtual size: 39KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
DATA Size: 1024B - Virtual size: 592B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
BSS Size: - Virtual size: 3KB
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: - Virtual size: 8B
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 512B - Virtual size: 24B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 38KB - Virtual size: 37KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ