Behavioral task
behavioral1
Sample
2024-04-28_49a855c01e7d817b056e18f5a9d191f2_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-28_49a855c01e7d817b056e18f5a9d191f2_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-04-28_49a855c01e7d817b056e18f5a9d191f2_cryptolocker
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Size
80KB
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MD5
49a855c01e7d817b056e18f5a9d191f2
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SHA1
1ed17741bda602c4bef6347232d94e07d38384b3
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SHA256
38b5d76a1f3411ef01c8eefe30acbcafc46c9fc23cef87858035e77de87163f6
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SHA512
dad420191beef682435ecea11f60b1a0914d7f6bf162d75fbd4491687bf638d7ac5b25aed354d2af6ac0c1042c959765e88aa6d9552c1c43c3aac55168900407
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdb:T6a+rdOOtEvwDpjNtt
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 2024-04-28_49a855c01e7d817b056e18f5a9d191f2_cryptolocker
Files
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2024-04-28_49a855c01e7d817b056e18f5a9d191f2_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