Behavioral task
behavioral1
Sample
projectoyster.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
projectoyster.exe
Resource
win10v2004-20240611-en
Behavioral task
behavioral3
Sample
cstealer.pyc
Resource
win7-20240611-en
Behavioral task
behavioral4
Sample
cstealer.pyc
Resource
win10v2004-20240508-en
General
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Target
projectoyster.exe
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Size
17.6MB
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MD5
c2f6ec069ca587f732ee9107d9541ff4
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SHA1
10a8985cc2f249ce143f97b26471426a95625ba2
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SHA256
7fe09e5889787ae38ef8f5242811a60ebe1526314eb08cc184b7e47051815e2b
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SHA512
b8c07ca5ece52fd6acc9a43d88216e6b57c0af908027099f0e2d3e48fcd19cbf4bde266c0cd3414233d0df2b7314fe801b12ee72804b31c5a7467f769f21e4d2
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SSDEEP
393216:V5RM0d0EpEk/+4u8mwW+eGQRJ9jo7BGIGg3zOY:hMoDp3+RBwW+e5RJ9MnOY
Malware Config
Signatures
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resource yara_rule sample themida -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource projectoyster.exe
Files
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projectoyster.exe.exe windows:5 windows x64 arch:x64
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Sections
Size: 98KB - Virtual size: 163KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
Size: 39KB - Virtual size: 73KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
Size: 512B - Virtual size: 28KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
Size: 5KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
Size: 53KB - Virtual size: 61KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.idata Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 61KB - Virtual size: 61KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.themida Size: - Virtual size: 5.9MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.boot Size: 3.5MB - Virtual size: 3.5MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
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cstealer.pyc