Behavioral task
behavioral1
Sample
CapOSv1.3.1_compress.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
CapOSv1.3.1_compress.exe
Resource
win10v2004-20230915-en
Behavioral task
behavioral3
Sample
CapOSv1.3.1_compressx86.exe
Resource
win7-20230831-en
Behavioral task
behavioral4
Sample
CapOSv1.3.1_compressx86.exe
Resource
win10v2004-20230915-en
Behavioral task
behavioral5
Sample
CapOSv1.3.2_compressx86.exe
Resource
win7-20230831-en
General
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Target
64e84ac6679fb6ef02d88a608e231d4d8a6ccbb0239d9a0971eb1fd7ac5063cb
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Size
5.8MB
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MD5
b2316195a13238cf2ccdc9a60eb0d327
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SHA1
e30be6988f4d160f6db51c090391c8933a3c63ad
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SHA256
64e84ac6679fb6ef02d88a608e231d4d8a6ccbb0239d9a0971eb1fd7ac5063cb
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SHA512
dbcbf1d5d447367d5d1d108d5d19a2ed76e1c17e51900751a210271a1de76e1e4d01f39b6bbb4d033dc1e4ed9eff12c3d5916075b0d16cedf555a05106b46e15
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SSDEEP
98304:1co+GVGsmfeLPt9OBqh3etaYoVFRZF91h/n0ZT9sWi1qkXIbMjnu6YC0PmVf2/Pc:a+VGsJt9bMaY8DHPET6/b4bM66YC0Pmf
Malware Config
Signatures
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resource yara_rule static1/unpack001/CapOSv1.3.1_compress.exe upx static1/unpack001/CapOSv1.3.1_compressx86.exe upx static1/unpack001/CapOSv1.3.2_compressx86.exe upx -
Unsigned PE 3 IoCs
Checks for missing Authenticode signature.
resource unpack001/CapOSv1.3.1_compress.exe unpack001/CapOSv1.3.1_compressx86.exe unpack001/CapOSv1.3.2_compressx86.exe
Files
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64e84ac6679fb6ef02d88a608e231d4d8a6ccbb0239d9a0971eb1fd7ac5063cb.rar
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CapOSv1.3.1_compress.exe.exe windows:4 windows x64
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: - Virtual size: 11.3MB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 2.8MB - Virtual size: 2.8MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX2 Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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CapOSv1.3.1_compressx86.exe.exe windows:4 windows x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: - Virtual size: 10.3MB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 2.2MB - Virtual size: 2.2MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX2 Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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CapOSv1.3.2_compressx86.exe.exe windows:4 windows x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: - Virtual size: 2.2MB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 761KB - Virtual size: 764KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX2 Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE