Behavioral task
behavioral1
Sample
2024-05-28_b3cbab34c362b7e52f674567b0e47770_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-05-28_b3cbab34c362b7e52f674567b0e47770_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-28_b3cbab34c362b7e52f674567b0e47770_cryptolocker
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Size
51KB
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MD5
b3cbab34c362b7e52f674567b0e47770
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SHA1
3d5135b5147f891a605e1ba3c2dce6594fa34a1c
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SHA256
56d7fc0adb79cc182c42731927d26569623b3a2ba4e55f9c030d5cf7dfa1abc9
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SHA512
7980b2ae520bc779c7f7f829ba0b9a7b1fc149b1888ba1669d81e5501da22a2716558bcf03fa39364364a4235aa1ca60a8d102574e811adcef320bbc2b5270e3
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtXic:bODOw9acifAoc+vXic
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 2024-05-28_b3cbab34c362b7e52f674567b0e47770_cryptolocker
Files
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2024-05-28_b3cbab34c362b7e52f674567b0e47770_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