Behavioral task
behavioral1
Sample
2024-02-23_b2a7baf43aa51190896b4e6da02f693c_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-23_b2a7baf43aa51190896b4e6da02f693c_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-23_b2a7baf43aa51190896b4e6da02f693c_cryptolocker
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Size
81KB
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MD5
b2a7baf43aa51190896b4e6da02f693c
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SHA1
8c36410e945903b846bf75f661af5c3e5b16298f
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SHA256
0bf9b87d896f93fe38f5875c410396d135412d83f971157fc666a98dffc26b88
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SHA512
970a180ea7e7135341b420bde64a401b169d5b1a1a3fc53c86bc3960c7009c4cf85642af32b6333a8fd45f6b39b7e1e82680d9be3febfd1fcb73375e04a73937
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBd0iq:T6a+rdOOtEvwDpjNtQ
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 2024-02-23_b2a7baf43aa51190896b4e6da02f693c_cryptolocker
Files
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2024-02-23_b2a7baf43aa51190896b4e6da02f693c_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