Behavioral task
behavioral1
Sample
2024-01-24_b9d3b845c04e180720b27f56a71fc41e_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-24_b9d3b845c04e180720b27f56a71fc41e_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-24_b9d3b845c04e180720b27f56a71fc41e_cryptolocker
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Size
90KB
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MD5
b9d3b845c04e180720b27f56a71fc41e
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SHA1
a4e15f012ccbd924a7c842d64e721177147ce582
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SHA256
bf10a749460bf84d88175b5727acf4740eb4d390e757463d7d1dfbaa34f9579f
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SHA512
3602f1ea87a529ec3c27833626009cc4c93be96cdb1af6e11a3b7311b2215f577e0a802b6f3d956b53b43c0a02351c2c3c2a6fae8a297e28d62e7655cecb15eb
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRMy87i:zCsanOtEvwDpji
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 2024-01-24_b9d3b845c04e180720b27f56a71fc41e_cryptolocker
Files
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2024-01-24_b9d3b845c04e180720b27f56a71fc41e_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