Behavioral task
behavioral1
Sample
2024-02-13_4c285ebe04fcb4336d013cc7802c7066_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-02-13_4c285ebe04fcb4336d013cc7802c7066_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-13_4c285ebe04fcb4336d013cc7802c7066_cryptolocker
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Size
92KB
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MD5
4c285ebe04fcb4336d013cc7802c7066
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SHA1
82037b202e2cc78281a71da3a61089bab443259d
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SHA256
4a3d3bc0a80548e593cb2dc29ea568250c2688a70ad1358cb82e6786f38aad20
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SHA512
e2a6e95dde8cdbc93bd36c8e821a3748647fb0e40446dd7733a6ea590e7cfb92481658f0aa162c4ce7c604c0e39d7cfcdb27a9b7229c59582d91cfa741bb91ed
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/4:zCsanOtEvwDpjB4
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 2024-02-13_4c285ebe04fcb4336d013cc7802c7066_cryptolocker
Files
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2024-02-13_4c285ebe04fcb4336d013cc7802c7066_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