Behavioral task
behavioral1
Sample
2024-02-20_12c055237f491fa03dcbe658c259a7b8_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-20_12c055237f491fa03dcbe658c259a7b8_cryptolocker.exe
Resource
win10v2004-20240220-en
General
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Target
2024-02-20_12c055237f491fa03dcbe658c259a7b8_cryptolocker
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Size
91KB
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MD5
12c055237f491fa03dcbe658c259a7b8
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SHA1
6d80a3ef161200f2bcde55957a275a011e2e8129
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SHA256
3ea8c7c0a2985fe7e281da455117f225c8430d258b0412e59ed412d4aedb2a6a
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SHA512
cf8b97be67cb9ab3b71b9e7e6c68c9adf4bd32d5875d5b878e7ce05aae744ca54ea5b1581942f5546e3f27b737c5e119a0d5bc6e62dc1ecd13309179cab151ac
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRMy87Uva/:zCsanOtEvwDpj5
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 2024-02-20_12c055237f491fa03dcbe658c259a7b8_cryptolocker
Files
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2024-02-20_12c055237f491fa03dcbe658c259a7b8_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