Behavioral task
behavioral1
Sample
2024-03-12_7c21e9757bb27b5d4686a4199c0f4bcd_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-12_7c21e9757bb27b5d4686a4199c0f4bcd_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-12_7c21e9757bb27b5d4686a4199c0f4bcd_cryptolocker
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Size
118KB
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MD5
7c21e9757bb27b5d4686a4199c0f4bcd
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SHA1
b16cfcb5cb77aa4b04634fac08262f897e1a3002
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SHA256
11871adef096569080a9c123928ed628e9e6c4656fcdb5a33131ffbf7c7dd4ea
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SHA512
17a7941ab767118a11efedacaf8151d12e6409231ed77f04f4f2adaa4b857b6a4fec3856fdc5acd8d22da0ad78fa56f7fe9b5b46da6547f523cde33679f2e136
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01h:z6a+CdOOtEvwDpjczD
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 2024-03-12_7c21e9757bb27b5d4686a4199c0f4bcd_cryptolocker
Files
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2024-03-12_7c21e9757bb27b5d4686a4199c0f4bcd_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_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