Behavioral task
behavioral1
Sample
2024-01-28_c39d0549e1a6fd5a8e4107393b1bb0bf_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-28_c39d0549e1a6fd5a8e4107393b1bb0bf_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-28_c39d0549e1a6fd5a8e4107393b1bb0bf_cryptolocker
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Size
81KB
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MD5
c39d0549e1a6fd5a8e4107393b1bb0bf
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SHA1
b76a74d356b33c599b478605689488047597af04
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SHA256
d4a4fe7b253d4c2aa4cf274beec375406e14e58da7002e2f710edc2b2d777a16
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SHA512
50584152081db8962eb4dec4027107c41d93faacbfe57a5bcf9606d3819a310425c7fd592d1113074864856f0c37bd4ef4ec127f3e50411fbb5c9c14e8de2e98
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdefD:T6a+rdOOtEvwDpjNtK
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 2024-01-28_c39d0549e1a6fd5a8e4107393b1bb0bf_cryptolocker
Files
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2024-01-28_c39d0549e1a6fd5a8e4107393b1bb0bf_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