Behavioral task
behavioral1
Sample
2024-06-03_b79ef055bee020b578b2627a3b443bb2_cryptolocker.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
2024-06-03_b79ef055bee020b578b2627a3b443bb2_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-03_b79ef055bee020b578b2627a3b443bb2_cryptolocker
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Size
81KB
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MD5
b79ef055bee020b578b2627a3b443bb2
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SHA1
b010b9b217528076646d58d187c7c863977e47b8
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SHA256
ae83a1c713fdfc7f6d90556eda3f15c4bd3a6e9fa95fff5c176e11f43a94a72b
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SHA512
db6efb565f4024c65b2430b387c83307ea919734fe67b695b921e1462033e403ee56e13cbb46089ed776b1735e9e0d05834d8c4fce9e129ef52e5d1cafbbb952
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7Qv:zCsanOtEvwDpjr
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 2024-06-03_b79ef055bee020b578b2627a3b443bb2_cryptolocker
Files
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2024-06-03_b79ef055bee020b578b2627a3b443bb2_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