Behavioral task
behavioral1
Sample
2024-04-27_c721e4d876295621d0f81370e2960a7d_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-27_c721e4d876295621d0f81370e2960a7d_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-04-27_c721e4d876295621d0f81370e2960a7d_cryptolocker
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Size
81KB
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MD5
c721e4d876295621d0f81370e2960a7d
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SHA1
48237acb2f5abf05e953594d073c317eb22cf7d3
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SHA256
d5a3267bb7bdf77d2d5191db202c32a0c0c8f7f9382e78c255de49a92ca9f242
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SHA512
9cb5ab9a50e3da01923e2ddd1a81551560fb01036e5f9339c87b5aec274e6f6bdb27c4d54185b6244fc8fef7f74caea06f1de3a5d804dd5d6309dcefc3374419
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOT7J:T6a+rdOOtEvwDpjN1
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 2024-04-27_c721e4d876295621d0f81370e2960a7d_cryptolocker
Files
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2024-04-27_c721e4d876295621d0f81370e2960a7d_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