Behavioral task
behavioral1
Sample
2024-05-23_4b8463a33054706529a97ac316c4f191_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-23_4b8463a33054706529a97ac316c4f191_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-05-23_4b8463a33054706529a97ac316c4f191_cryptolocker
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Size
52KB
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MD5
4b8463a33054706529a97ac316c4f191
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SHA1
871f51cc26e382999f10f8245461bac9b5defdb3
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SHA256
e67a3cf289b559486d3554c3c8290e876729f047622db8e919fa9708ac7c91cd
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SHA512
427b9eda20299eb8a51d0738207ec9ac68c643600267533b5738f846271fb5a59bf36dd38ea8d2d729d8f4c12530dc9df832c13c6a8d3740c7e7cf6a534f71ee
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtOs:bODOw9acifAoc+vn
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 2024-05-23_4b8463a33054706529a97ac316c4f191_cryptolocker
Files
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2024-05-23_4b8463a33054706529a97ac316c4f191_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