Behavioral task
behavioral1
Sample
2024-09-27_ef8e10fb4e0ad31959fd9b331b1e1e42_cryptolocker.exe
Resource
win7-20240729-en
General
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Target
2024-09-27_ef8e10fb4e0ad31959fd9b331b1e1e42_cryptolocker
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Size
97KB
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MD5
ef8e10fb4e0ad31959fd9b331b1e1e42
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SHA1
7fb21cfee87d229b4540807243fb4a9bc77858e2
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SHA256
1fee90e7ef2f1ca7a7b73589516ed2d5933b8e4672cf1d2c2f8572c2b35047da
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SHA512
69219121ee301d0bfbf1006fe7d1c9b6c84f9333370ea00ceccc19da6847a5784c82fa053ad9d2af8137d75da72026f2d8f417e8de3cbda13d9cc8c6e7c9b413
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgpQb6o:AnBdOOtEvwDpj6zp
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 2024-09-27_ef8e10fb4e0ad31959fd9b331b1e1e42_cryptolocker unpack001/out.upx
Files
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2024-09-27_ef8e10fb4e0ad31959fd9b331b1e1e42_cryptolocker.exe windows:5 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 32KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.exe windows:5 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Sections
.text Size: 11KB - Virtual size: 11KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1024B - Virtual size: 536B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ