Behavioral task
behavioral1
Sample
2024-04-22_bf8dc666ae0e381509dea26502df3341_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-22_bf8dc666ae0e381509dea26502df3341_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-22_bf8dc666ae0e381509dea26502df3341_cryptolocker
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Size
79KB
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MD5
bf8dc666ae0e381509dea26502df3341
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SHA1
936af44806069c5a8413b61d5c54507c6c2a9b0b
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SHA256
c1295db5bb4319421811a5699f305895ffbc5dfd0d891d733311df5c6ba8f0cf
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SHA512
08ddf148e93342036ce95c2262a0dd2074a575f5f70808e5061787bec07290875eab51953e73acdebe0b63299691901f59104d53a1bda616cee46b7f36df3df2
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7QO:zCsanOtEvwDpjC
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
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 2024-04-22_bf8dc666ae0e381509dea26502df3341_cryptolocker
Files
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2024-04-22_bf8dc666ae0e381509dea26502df3341_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: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
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
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE