Behavioral task
behavioral1
Sample
2024-04-30_b1252f998b040f0d8213eacf203769d8_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-04-30_b1252f998b040f0d8213eacf203769d8_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-30_b1252f998b040f0d8213eacf203769d8_cryptolocker
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Size
40KB
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MD5
b1252f998b040f0d8213eacf203769d8
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SHA1
413b42572c99bdfd418885ebf63e2ea742c8ef84
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SHA256
eac5e2553a01c8397a60364ddeb09ca367dad011b90f0b3bab1e45be1be3ef52
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SHA512
3dd62cdbe0e15727089e6114ea2f652bacfa7aafecc1efe499da7513c2bbcc9f5846a449de58b4683daa0c5fad56e97788469a75784c4a09d6f4ef950be8a439
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SSDEEP
384:ba74uGLLQRcsdeQ72ngEr4K7YmE8j6CQYnrz1ZhdaXFXSCVQTLfjDpXqxKHm:ba74zYcgT/EkdCQgpwXFXSqQXfj0xKG
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
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 2024-04-30_b1252f998b040f0d8213eacf203769d8_cryptolocker
Files
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2024-04-30_b1252f998b040f0d8213eacf203769d8_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: 16KB - Virtual size: 28KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - 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