Behavioral task
behavioral1
Sample
2024-03-28_bc057674b3337b5365534e80bea63be9_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-28_bc057674b3337b5365534e80bea63be9_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-28_bc057674b3337b5365534e80bea63be9_cryptolocker
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Size
79KB
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MD5
bc057674b3337b5365534e80bea63be9
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SHA1
caa150235346473947fd6e52f743863e83fe3373
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SHA256
1c3112c04b8c45bcb3554946f302aa5d191f87a19b534ead101314744c4b2d17
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SHA512
70e806f2f88076bfe6dd442f7475928c3b6e38344338ad7a7e7f03ef0ca4597495193e7f7767caafed04537a649da04d89219df7f044a3375bca550072547de8
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOA+YSafiPuSU:T6a+rdOOtEvwDpjNcAU
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 2024-03-28_bc057674b3337b5365534e80bea63be9_cryptolocker
Files
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2024-03-28_bc057674b3337b5365534e80bea63be9_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