Behavioral task
behavioral1
Sample
2024-03-10_54e55286d4a6819ebab609b85df94a7e_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-10_54e55286d4a6819ebab609b85df94a7e_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-10_54e55286d4a6819ebab609b85df94a7e_cryptolocker
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Size
83KB
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MD5
54e55286d4a6819ebab609b85df94a7e
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SHA1
125f32dc36232c110f888a332da68631e69006a7
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SHA256
2acd48eef326e9ad0c1f396835e931c1e640fa609132538753bb73f79cf602b1
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SHA512
e266a474932c5603cf641dc213d80deb1656fb6ed2cf626767794a7809ce5e8fd8f75f3a80b5f8aa137563eea828ae187e81bdf00c573f44dabad15c71fcfc48
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1w:zCsanOtEvwDpjW
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 2024-03-10_54e55286d4a6819ebab609b85df94a7e_cryptolocker
Files
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2024-03-10_54e55286d4a6819ebab609b85df94a7e_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