Behavioral task
behavioral1
Sample
2024-05-14_54f824c67a609f655d18fb94f15831e1_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-14_54f824c67a609f655d18fb94f15831e1_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-14_54f824c67a609f655d18fb94f15831e1_cryptolocker
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Size
56KB
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MD5
54f824c67a609f655d18fb94f15831e1
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SHA1
1cb6fe75b39e9f0c6ecd4406428ef2e2166fafb0
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SHA256
6ceb91ef20210c65452c18f3e341060bf743ab63fd623ca916a4d9edfaeb3c49
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SHA512
19734aea33670bcceae1360515f6cb43e96aaee94a5b2fb9b6a61ae31dbdfbba89478611f7223d00a11347623e41a29e5408f3181ba45f8e657891c0c6069481
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjlG:bP9g/xtCS3Dxx05
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 2024-05-14_54f824c67a609f655d18fb94f15831e1_cryptolocker
Files
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2024-05-14_54f824c67a609f655d18fb94f15831e1_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