Behavioral task
behavioral1
Sample
4d3fba4a7bfb35770d0ba8939b78a90f_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
4d3fba4a7bfb35770d0ba8939b78a90f_JC.exe
Resource
win10v2004-20230915-en
General
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Target
4d3fba4a7bfb35770d0ba8939b78a90f_JC.exe
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Size
87KB
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MD5
4d3fba4a7bfb35770d0ba8939b78a90f
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SHA1
a4435b917bcd0414708777f2cf01b9bb96d79615
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SHA256
8b5b6868cbd1744ab1c87b0249db3b9b2f1c5db0732d5bc09da3ed20d12cd975
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SHA512
4f91e5b91e21e27242dd22a86d1a2f1f7452de7156611b74d70aaf22e10ec5a98d108ebf66b39719ca76dd4cc574c160d509d1370f9da03d8fcf89c8bdb26d4e
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SSDEEP
1536:XKcR4mjD9r823FzrGjSqy6LGYHQWW3e1ukp68v6llQX5s:XKcWmjRrz3gOeGYHQWW3e1bp6fb
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 4d3fba4a7bfb35770d0ba8939b78a90f_JC.exe
Files
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4d3fba4a7bfb35770d0ba8939b78a90f_JC.exe.exe windows:5 windows x86
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
Sections
.wixburn Size: - Virtual size: 56KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 24KB - Virtual size: 28KB
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
.rdata Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.idata Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.idata Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.text Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.idata Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 5KB - Virtual size: 8KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 2KB - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.text Size: 6KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ