Behavioral task
behavioral1
Sample
2024-01-23_d103a6b647c9643dbd765223acfabf5a_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-23_d103a6b647c9643dbd765223acfabf5a_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-23_d103a6b647c9643dbd765223acfabf5a_cryptolocker
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Size
91KB
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MD5
d103a6b647c9643dbd765223acfabf5a
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SHA1
7b10aa0e83d3de492c8a678c67e98a4453ddd6fb
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SHA256
bce7cd2324e42f3467f334326ea624163aa1099c063384190d4f72a731155e94
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SHA512
5ac720e2a73f32448c279a87b004869f960d567ad1ec3b2e8e06034dd1bdbc23822644506e36bed8dca3c26451b243443edcfdbc29d20f4d3a0118ef95236760
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/C:zCsanOtEvwDpjBC
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 2024-01-23_d103a6b647c9643dbd765223acfabf5a_cryptolocker
Files
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2024-01-23_d103a6b647c9643dbd765223acfabf5a_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