Behavioral task
behavioral1
Sample
2024-04-05_83e7dca67fce260d85cfb18e1fb15ab2_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-05_83e7dca67fce260d85cfb18e1fb15ab2_cryptolocker.exe
Resource
win10v2004-20240319-en
General
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Target
2024-04-05_83e7dca67fce260d85cfb18e1fb15ab2_cryptolocker
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Size
58KB
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MD5
83e7dca67fce260d85cfb18e1fb15ab2
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SHA1
9340c02b9cf4d78753b971367f9f411c642f9c58
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SHA256
3b865363ee5315c601a35cc7f6f32e1c3a5cef97b6c3fb0278b87b0ca4ae2d63
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SHA512
b63029516623a58a2c19bbdadf1bc466e8a9dab886e7b74c0fe874238e37b73a27dd5674f21e4772cf60d5e0f70a886bd8022d877aadf4efaa9800f42353192f
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj9aYazbkd:z6a+CdOOtEvwDpjQK
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 2024-04-05_83e7dca67fce260d85cfb18e1fb15ab2_cryptolocker
Files
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2024-04-05_83e7dca67fce260d85cfb18e1fb15ab2_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