Behavioral task
behavioral1
Sample
2024-05-19_259ca3cf7930188c2b31a976f6cc02e9_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-19_259ca3cf7930188c2b31a976f6cc02e9_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-19_259ca3cf7930188c2b31a976f6cc02e9_cryptolocker
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Size
41KB
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MD5
259ca3cf7930188c2b31a976f6cc02e9
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SHA1
a0958fa23fdab13aecf60a265fd287edf89f941e
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SHA256
008bec08ba86df54913176f1f6f09ec4d063b26950a3329e85a6398d36a84368
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SHA512
ec36dad8a0b7d352da3d0e2f3babc83123bd65c215ff18a3687c7e46f908cc502fdf2a84ac3de7b8b63531c94bfc78ec437196861f589bed8454d9e16e7f02b1
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SSDEEP
384:ba74uGLLQRcsdeQ72ngEr4K7YmE8j6CQYnrz1ZhdaXFXSCVQTLfjDpXqxKHMbY:ba74zYcgT/EkdCQgpwXFXSqQXfj0xKsM
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 2024-05-19_259ca3cf7930188c2b31a976f6cc02e9_cryptolocker
Files
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2024-05-19_259ca3cf7930188c2b31a976f6cc02e9_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