Behavioral task
behavioral1
Sample
2024-05-03_5f3062284b72522a3db81bbeb9f4f781_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-03_5f3062284b72522a3db81bbeb9f4f781_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-05-03_5f3062284b72522a3db81bbeb9f4f781_cryptolocker
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Size
77KB
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MD5
5f3062284b72522a3db81bbeb9f4f781
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SHA1
efbb8885fac329fd7aca63fe56390d67be27215e
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SHA256
0e09edc761dce03594d69d988f484f3b82d34a67167eb06943c32bef5d613c0c
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SHA512
2cc05331fab3351a4721b66eda27f69ada0d9686cfd5e159dce5c2ca689d84d422d3c44c01dd633f18e7d7e6c525d394e915f8acaac24037352d5f7526ab0179
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUxnH:T6a+rdOOtEvwDpjNtHPo
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 2024-05-03_5f3062284b72522a3db81bbeb9f4f781_cryptolocker
Files
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2024-05-03_5f3062284b72522a3db81bbeb9f4f781_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