Behavioral task
behavioral1
Sample
2024-06-01_c71f19828d57bccbf61ad611d378fe70_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-06-01_c71f19828d57bccbf61ad611d378fe70_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-01_c71f19828d57bccbf61ad611d378fe70_cryptolocker
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Size
95KB
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MD5
c71f19828d57bccbf61ad611d378fe70
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SHA1
c242f157d6aac173d522987707fe3729335c1bbf
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SHA256
b5b6533cbf45f710bac0df5612139206657694ab2e876ac9c2ce10c790a77629
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SHA512
f0bcf7d578bc9ecf2a04fbd37685ad281c1c6264c92e032f5c8e782f1299545da846e050ff2de65351795f8aac81c6e2ab2500f42558d7ba499fb60bbe448869
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/kQ:zCsanOtEvwDpjBz
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 2024-06-01_c71f19828d57bccbf61ad611d378fe70_cryptolocker
Files
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2024-06-01_c71f19828d57bccbf61ad611d378fe70_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