Behavioral task
behavioral1
Sample
2024-02-22_cf1abd255fdeb821776906f72790f737_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-22_cf1abd255fdeb821776906f72790f737_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-22_cf1abd255fdeb821776906f72790f737_cryptolocker
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Size
57KB
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MD5
cf1abd255fdeb821776906f72790f737
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SHA1
eb1859bb2468bf03f3f09eb0a027ab9e6a8424a2
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SHA256
681ccfa9e365849051623eab70f6cc9535ba5149f52f1caf0da4eba069f1b9ec
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SHA512
942040097fc1c57fd3f4f688d49e45cb4e3befa66675df2693fc341d0a92c200b03f316ab7926fdd0c773bbda9647cdf7ba5eaef75d91d063107857c05a23eff
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5app169:z6QFElP6n+gKmddpMOtEvwDpj9aYaS
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 2024-02-22_cf1abd255fdeb821776906f72790f737_cryptolocker
Files
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2024-02-22_cf1abd255fdeb821776906f72790f737_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