Behavioral task
behavioral1
Sample
2024-03-28_d20c146e7f385dd7bf91bb709e147e1d_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-28_d20c146e7f385dd7bf91bb709e147e1d_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-28_d20c146e7f385dd7bf91bb709e147e1d_cryptolocker
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Size
94KB
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MD5
d20c146e7f385dd7bf91bb709e147e1d
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SHA1
d1df358c5a16ae92053f753f1e7ed7eab6040822
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SHA256
ef925a2e1686f93be9a20d6ca5e51b527d45007e284c9d874af288da9a710837
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SHA512
f5b5b10461e1c5105307bd54082c4192154c96da22b4c87ca33cc4604acf10f2fa382574c296464519a2d3f46460cec64d9d95f02dc715fe485d35a64ceb414a
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/bx:zCsanOtEvwDpjB1
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 2024-03-28_d20c146e7f385dd7bf91bb709e147e1d_cryptolocker
Files
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2024-03-28_d20c146e7f385dd7bf91bb709e147e1d_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