Behavioral task
behavioral1
Sample
2024-01-23_40f594ca930dcc6c027fd620a9d7ccae_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-23_40f594ca930dcc6c027fd620a9d7ccae_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-23_40f594ca930dcc6c027fd620a9d7ccae_cryptolocker
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Size
92KB
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MD5
40f594ca930dcc6c027fd620a9d7ccae
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SHA1
ed068b3a9c88e4cda156794538d756fae240bae5
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SHA256
2d54bb8373f82540a45e8ebebc54bff4bd238a45321110b46cb3e04b193cfa9f
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SHA512
aff7d45edd262a04c18d23f605d7cec991ca5e2b91c19258dc4eb9ca7fab148a8d73c31676b0c15985bd4ee60c678689bc3d7667ce758a3ed757c6db7d6b211d
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDj9i4RRh:zCsanOtEvwDpj8
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_40f594ca930dcc6c027fd620a9d7ccae_cryptolocker
Files
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2024-01-23_40f594ca930dcc6c027fd620a9d7ccae_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