Behavioral task
behavioral1
Sample
2024-03-28_56fb3b6e460c3062da121cff5311d9e1_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-28_56fb3b6e460c3062da121cff5311d9e1_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-28_56fb3b6e460c3062da121cff5311d9e1_cryptolocker
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Size
82KB
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MD5
56fb3b6e460c3062da121cff5311d9e1
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SHA1
ee9ea97d61dd1f5f803993781597e097934ada10
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SHA256
b8f6ada5a4ab760488e135b1ce8688454c79e7c50fc32fa78842ebdd55b8409c
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SHA512
410aef6ac0b4af2a7979c6acb63b5fac9572c8def797ea5a0c81ecca8085c95c488a9fa242ccf2203bb698fb4f69ecaa3b50aa7d55302babb6dab275bf2907a0
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBd0O/:T6a+rdOOtEvwDpjNtD
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_56fb3b6e460c3062da121cff5311d9e1_cryptolocker
Files
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2024-03-28_56fb3b6e460c3062da121cff5311d9e1_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