Static task
static1
Behavioral task
behavioral1
Sample
2024-02-04_b4d80163da3a71c0a5873d1e2a03dd85_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-04_b4d80163da3a71c0a5873d1e2a03dd85_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-02-04_b4d80163da3a71c0a5873d1e2a03dd85_cryptolocker
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Size
30KB
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MD5
b4d80163da3a71c0a5873d1e2a03dd85
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SHA1
399d19c3adf5120e1959d3e895f334cc9effd0d5
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SHA256
6f913b288c9bb141f80b78fa04594b38e0c57a380817313ca8d0d87b5995b57b
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SHA512
07d7a81459210271cf6b21b097b62eb1c62ce52b92c24c9e538f3cbc8921217599aeeac7bb1ed0fdfaae9ddd5108357d917105b53a672eecc17605a15eea2e1e
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SSDEEP
768:q0ZziOWwULueOSdE8tOOtEvwDpjeWaJIOc+jHk:q0zizzOSxMOtEvwDpj/ar1k
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-02-04_b4d80163da3a71c0a5873d1e2a03dd85_cryptolocker
Files
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2024-02-04_b4d80163da3a71c0a5873d1e2a03dd85_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
Sections
ukiwGhLB Size: - Virtual size: 36KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
MIZwSMcb Size: 11KB - 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