Behavioral task
behavioral1
Sample
2024-04-24_b50bc2e61b9b75bf2d99ba718c5db7c0_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-24_b50bc2e61b9b75bf2d99ba718c5db7c0_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-24_b50bc2e61b9b75bf2d99ba718c5db7c0_cryptolocker
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Size
55KB
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MD5
b50bc2e61b9b75bf2d99ba718c5db7c0
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SHA1
ff7a89560f4e0b6053844b8ec157d4cfebec30bd
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SHA256
0e676917ffd5c6f4e78baea8a891b9592391dbdb9fd2663a748370f52d909683
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SHA512
ea2a80c3ced07727f5023f4c0325219c8d5311e4c0bfca99f623a5f0259d49a4027a4633b1a1d44e0c0c6079ad01f7ab063da67bb322a956abca71e946268656
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjlc5:bP9g/xtCS3Dxx0L
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-04-24_b50bc2e61b9b75bf2d99ba718c5db7c0_cryptolocker
Files
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2024-04-24_b50bc2e61b9b75bf2d99ba718c5db7c0_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
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: 17KB - Virtual size: 24KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 9KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE