Behavioral task
behavioral1
Sample
2024-01-23_251b7702d932fba707622d96ca3f3aea_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-23_251b7702d932fba707622d96ca3f3aea_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-23_251b7702d932fba707622d96ca3f3aea_cryptolocker
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Size
91KB
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MD5
251b7702d932fba707622d96ca3f3aea
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SHA1
db0ff695b0a3b506ba982712cb1fbbc4cdfb39d6
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SHA256
0b6cd7cc12f94c884bacf33582cf8f218927607619489c40ca619361b661bc01
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SHA512
95ad550aab21cf24166404c6da4ef295ad1f419f54c711740c52ae434ef53a498d5d2bbb21ef0279f4a6ae4b44fab9e7a28a1fd9449d92dd05b6b32af336512c
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/t:zCsanOtEvwDpjBt
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_251b7702d932fba707622d96ca3f3aea_cryptolocker
Files
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2024-01-23_251b7702d932fba707622d96ca3f3aea_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