Behavioral task
behavioral1
Sample
2024-04-10_bf07ef2df6ce2a57b1e02068d7c21807_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-10_bf07ef2df6ce2a57b1e02068d7c21807_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-10_bf07ef2df6ce2a57b1e02068d7c21807_cryptolocker
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Size
95KB
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MD5
bf07ef2df6ce2a57b1e02068d7c21807
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SHA1
21f0d4c3d3bff392f4d49dfe4db2b8d3b7ac99a4
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SHA256
c04c18018e16801af7829e95adb929f1a8cba235bce68cc99d75bc594a5e3108
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SHA512
e5eab793027f0939330f43b6133fb2a5a61ba35e4561819e18048ca38f83f431554487449dd38b5bcb330f87e13347a38a40688d7a0a0aba73242af749b22ba3
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/b6:zCsanOtEvwDpjB2
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 2024-04-10_bf07ef2df6ce2a57b1e02068d7c21807_cryptolocker
Files
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2024-04-10_bf07ef2df6ce2a57b1e02068d7c21807_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