Behavioral task
behavioral1
Sample
2024-03-28_a5f8b907a9f324fed157f5ecebbde0ad_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-28_a5f8b907a9f324fed157f5ecebbde0ad_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-28_a5f8b907a9f324fed157f5ecebbde0ad_cryptolocker
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Size
57KB
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MD5
a5f8b907a9f324fed157f5ecebbde0ad
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SHA1
b248d7ec103bef53a9f7375166e71e4cb3742032
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SHA256
8757ad9a3b802ae19d8a0808f7280352f5208714bb7ed05c13140b76d4f614f7
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SHA512
8594d372fb439050217e6190d0381edb78422ebf09fed38371f1f63ebcc836a3c33ffe318f17765e55740bcb522a2b2c185b2e70a54acb4afcede4bb9ff37fa5
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5ax84QrPeH:z6QFElP6n+gKmddpMOtEvwDpj9aYaMeH
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 2024-03-28_a5f8b907a9f324fed157f5ecebbde0ad_cryptolocker
Files
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2024-03-28_a5f8b907a9f324fed157f5ecebbde0ad_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