Behavioral task
behavioral1
Sample
2024-05-11_20d4203c21e419fb2443e9bc1b1ed2d2_cryptolocker.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
2024-05-11_20d4203c21e419fb2443e9bc1b1ed2d2_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-11_20d4203c21e419fb2443e9bc1b1ed2d2_cryptolocker
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Size
56KB
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MD5
20d4203c21e419fb2443e9bc1b1ed2d2
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SHA1
3f818689d2fce67d2e7b176d4167e666afb1d18c
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SHA256
d5de150bbb0bb5d306d1f7550cc1b447190cde569e5ec21d1eb0141841db6a6f
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SHA512
d5d5dfe616467bc5497eface25b0d3002d38848115b894db3248d3ad4c66b11ad4123aaf334a0c1f1576283bd37532a1ac2ed6d8c6e879534211b8e91176c3eb
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjl+M:bP9g/xtCS3Dxx0JM
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 2024-05-11_20d4203c21e419fb2443e9bc1b1ed2d2_cryptolocker
Files
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2024-05-11_20d4203c21e419fb2443e9bc1b1ed2d2_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