Behavioral task
behavioral1
Sample
2024-04-22_936f4feb5e58ab12f863ffc272ec9239_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-04-22_936f4feb5e58ab12f863ffc272ec9239_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-22_936f4feb5e58ab12f863ffc272ec9239_cryptolocker
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Size
50KB
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MD5
936f4feb5e58ab12f863ffc272ec9239
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SHA1
d547d59500c92bfb48514fbcf4e5db0753b049a9
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SHA256
f9ac123f09c259859def3baae7fda6d0a168f246b9cdc9096859229149ffb4fb
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SHA512
5b64a189d25165422be177aa0065052a4a40d688b556d613f1d8e528f210eb26795bed38da99b3193b88cbef1cae383c66e17a311b7f5334037efa2c07c99b6e
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtbR:bODOw9acifAoc+v9
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 2024-04-22_936f4feb5e58ab12f863ffc272ec9239_cryptolocker
Files
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2024-04-22_936f4feb5e58ab12f863ffc272ec9239_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: 16KB - Virtual size: 28KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - 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