Behavioral task
behavioral1
Sample
2024-01-24_b251cf7ded405ef0f6c1c15de109485d_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-24_b251cf7ded405ef0f6c1c15de109485d_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-24_b251cf7ded405ef0f6c1c15de109485d_cryptolocker
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Size
64KB
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MD5
b251cf7ded405ef0f6c1c15de109485d
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SHA1
750cf2b528d55949717a6d074f1df353adaa0086
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SHA256
5f0208ae4569c72d8b152bd8614be4a457bcd6c004e17ac5afa54fff13859599
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SHA512
275ad5783380b9fdc676b4a29128892ddf7f19afc16376a14da4612bf7b16c7a8c73b816d95bcdccdd9700649507af75ad46d5303e78e7bb49617d3a8d47fd49
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SSDEEP
384:z0VkMq01bJ3wtEwPS8HLEh+Jagz+3be+26JWFVUYkW0NrD5v6ntOOtEvwDpjqIGa:zQz7yVEhs9+8+JP6ntOOtEvwDpjF
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 2024-01-24_b251cf7ded405ef0f6c1c15de109485d_cryptolocker
Files
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2024-01-24_b251cf7ded405ef0f6c1c15de109485d_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