Behavioral task
behavioral1
Sample
2024-04-25_137bf1c38ae1cae98589485a74ec807c_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-25_137bf1c38ae1cae98589485a74ec807c_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-25_137bf1c38ae1cae98589485a74ec807c_cryptolocker
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Size
96KB
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MD5
137bf1c38ae1cae98589485a74ec807c
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SHA1
6831c2f27a867fe3cbeb26f24fe6722292f6ab03
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SHA256
6f391576da1e89e7feb0e345764d84a67c555e6a5df9e15dee2d9277730246c7
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SHA512
2e7463eced703c763354de541361fd188db22158c4ff8c80bcef3a12622d56b247f9caabbd9ccbf66cf358944954a8a22c2180e30fe60b03c7ba976d5be661ec
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/bu:zCsanOtEvwDpjBi
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 2024-04-25_137bf1c38ae1cae98589485a74ec807c_cryptolocker
Files
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2024-04-25_137bf1c38ae1cae98589485a74ec807c_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