Behavioral task
behavioral1
Sample
2024-01-18_43171930308374f5d299f9e8614823a0_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-18_43171930308374f5d299f9e8614823a0_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-18_43171930308374f5d299f9e8614823a0_cryptolocker
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Size
81KB
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MD5
43171930308374f5d299f9e8614823a0
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SHA1
8e39832510d06a7776df8a40be6579a7214e273b
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SHA256
98e92c9b95f5679a6278fd0a7d4f554faf751d6bb3effb12cbf9f3933149a74f
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SHA512
4fa97f5402c8d63c586d9b88b90a5c8ebcb3431a22a2e5e74b16e3c31276679a5d1e07551fb5b68925da0fd0dbdaaaa58453aeed6be34640863bca58ebc7ac07
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1F:zCsanOtEvwDpjP
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 2024-01-18_43171930308374f5d299f9e8614823a0_cryptolocker
Files
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2024-01-18_43171930308374f5d299f9e8614823a0_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_CODE
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