Behavioral task
behavioral1
Sample
2024-01-28_ea40f267e82ca30e9ff4fcb52ddc352f_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-28_ea40f267e82ca30e9ff4fcb52ddc352f_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-28_ea40f267e82ca30e9ff4fcb52ddc352f_cryptolocker
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Size
93KB
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MD5
ea40f267e82ca30e9ff4fcb52ddc352f
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SHA1
7c9082f77708573710625f9eafd77a9484da08c3
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SHA256
7b00fad1ffaac20ca4915e184db1b82d664d1eed20fda5b71cdf32ca62c857c8
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SHA512
ef292dea1ecd0b5eabafd61f25254407a5fb239d77e07287ac610ac3c4bea606758b11fbbc880ed9594d1b605c48954219e8e6216f68cd41235e9f1fd7840347
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDj9i4RRb:zCsanOtEvwDpjK
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 2024-01-28_ea40f267e82ca30e9ff4fcb52ddc352f_cryptolocker
Files
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2024-01-28_ea40f267e82ca30e9ff4fcb52ddc352f_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