Behavioral task
behavioral1
Sample
2024-02-12_a688be5cf54915e3b19f58583e53f952_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-12_a688be5cf54915e3b19f58583e53f952_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-02-12_a688be5cf54915e3b19f58583e53f952_cryptolocker
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Size
90KB
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MD5
a688be5cf54915e3b19f58583e53f952
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SHA1
8c526c21bc4022e8a95d6b6dd49da69bd34c3a95
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SHA256
fd921131ce133c65cedb7f94d9aa567470b7f7d8e0efafbb752f00654eb2f5a6
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SHA512
bafcf3fded373d294aaf003d7947987834d714e639c5053e28e33aab267da052aa44ed3215766e16d6c31c4840e594f88948acdb6da3b414af7055cd3890604b
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRMy87B:zCsanOtEvwDpjB
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 2024-02-12_a688be5cf54915e3b19f58583e53f952_cryptolocker
Files
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2024-02-12_a688be5cf54915e3b19f58583e53f952_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