Behavioral task
behavioral1
Sample
2024-04-05_8ed523987b91545cbe9d07a15ba613a8_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-05_8ed523987b91545cbe9d07a15ba613a8_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-05_8ed523987b91545cbe9d07a15ba613a8_cryptolocker
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Size
83KB
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MD5
8ed523987b91545cbe9d07a15ba613a8
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SHA1
6f50eb7b1329c93a29699629b8d2ea80ae2339c8
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SHA256
621a942d070104bb3c3bd197b6e2df9fbeff9b166ae5c83c176b26b6171374e8
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SHA512
2f6d38ef53b66800be80c74e48650d26aa06fe300f59a58dc7674f2efbf7549e674923cfe600f600dc3bef094dab0f370c3dd241830b1f2cd6adc22bb4fd7c0c
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1nml:zCsanOtEvwDpjU
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 2024-04-05_8ed523987b91545cbe9d07a15ba613a8_cryptolocker
Files
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2024-04-05_8ed523987b91545cbe9d07a15ba613a8_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