Behavioral task
behavioral1
Sample
2024-01-18_4b0f380818cea749a2beec063da27167_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-18_4b0f380818cea749a2beec063da27167_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-18_4b0f380818cea749a2beec063da27167_cryptolocker
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Size
90KB
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MD5
4b0f380818cea749a2beec063da27167
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SHA1
e735ff37fb5f8835272d3706c4e72ef9a9736354
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SHA256
ce348659078924772b7706f25ac0564151f1a45327788924df54cd546906ce37
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SHA512
2cbb9afb5b38f88dee055425868ccd6ebc4e2566e52a06dc5a4145de06fe285155fa400fc95b91d448def35ba8d44ada35d16a93a17252294ca9b9a6968e3810
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/l:zCsanOtEvwDpjBl
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 2024-01-18_4b0f380818cea749a2beec063da27167_cryptolocker
Files
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2024-01-18_4b0f380818cea749a2beec063da27167_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