Behavioral task
behavioral1
Sample
2024-02-04_1ca6bbdb17a33f3204451e372063bd31_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-04_1ca6bbdb17a33f3204451e372063bd31_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-04_1ca6bbdb17a33f3204451e372063bd31_cryptolocker
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Size
55KB
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MD5
1ca6bbdb17a33f3204451e372063bd31
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SHA1
7fb5f6e02ddc868560e91d83c8c82e5105931ee9
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SHA256
341a90f5da25f0cc1ac8d7c1180e46c82a68ba1fcf130b319087e3c4b80c95d5
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SHA512
24c640613dd051ff01250f9a1eb9b234bece4c2d6caef1a74d1a458500a6a79a7c0df692818d9b42908d1539b024b2be603b05bec22ca6d77dc6782b7dd91d48
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5axca:z6QFElP6n+gKmddpMOtEvwDpj9aYaz
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 2024-02-04_1ca6bbdb17a33f3204451e372063bd31_cryptolocker
Files
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2024-02-04_1ca6bbdb17a33f3204451e372063bd31_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_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