Behavioral task
behavioral1
Sample
2024-06-04_4dda4b00bd2526e0af96c6e9a8fb937f_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-06-04_4dda4b00bd2526e0af96c6e9a8fb937f_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-04_4dda4b00bd2526e0af96c6e9a8fb937f_cryptolocker
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Size
79KB
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MD5
4dda4b00bd2526e0af96c6e9a8fb937f
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SHA1
083a326c09c14025bd2ccd5159ebe07be2dd204f
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SHA256
401c0715f08308eb1eca92f5eff776df185629dc479cbb9f5a06de6d9d4c1547
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SHA512
3b6ad55f40ad1ab6c2c64f36688ebb847a7346cbe8932a13e44230c51b961c1466e4a6352a221105ab1f36bb6fc8538e6dca38d16950a6a0b2ce142433695d8a
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUxV:T6a+rdOOtEvwDpjNtHPG
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 2024-06-04_4dda4b00bd2526e0af96c6e9a8fb937f_cryptolocker
Files
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2024-06-04_4dda4b00bd2526e0af96c6e9a8fb937f_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