Behavioral task
behavioral1
Sample
2024-03-09_301d44ab2f2250430a65570ffbcd8bc6_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-03-09_301d44ab2f2250430a65570ffbcd8bc6_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-09_301d44ab2f2250430a65570ffbcd8bc6_cryptolocker
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Size
57KB
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MD5
301d44ab2f2250430a65570ffbcd8bc6
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SHA1
31e2d0dac1be8bd7c31bf59f901cb8c38bf46fcc
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SHA256
36e55f9c853a7258c9f2da08e1e0ff4f6901b67a77a45a567a714b01a6bcd2c3
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SHA512
c5810f63a80f55de20b29df833ad576392abf7033d3802231b169be1bb96fa2dfe224c31c71de42e03f60779e8942f90497ac7ede017d930bb584f3d575895cf
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5appx:z6QFElP6n+gKmddpMOtEvwDpj9aYaB
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 2024-03-09_301d44ab2f2250430a65570ffbcd8bc6_cryptolocker
Files
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2024-03-09_301d44ab2f2250430a65570ffbcd8bc6_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