Behavioral task
behavioral1
Sample
2024-02-18_b5681b45d992f76051d3463b1a1761c1_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-02-18_b5681b45d992f76051d3463b1a1761c1_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-02-18_b5681b45d992f76051d3463b1a1761c1_cryptolocker
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Size
56KB
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MD5
b5681b45d992f76051d3463b1a1761c1
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SHA1
70ec0b56ad9430b757b0919c7b7ca0bf8e19c389
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SHA256
da1c2db2504c47a3ac0df59edc8497851e8b368e0a5bb6bb695e6074341ee8c1
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SHA512
9cc41301858c2b2f4c733fd30c57ff7e7e8f2483fb0aaadd1115732f2c3c295cebe0c76da020fea446eaa3d062b8662c447663a84260397588f486a9e9fe8b73
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5axcQ:z6QFElP6n+gKmddpMOtEvwDpj9aYat
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 2024-02-18_b5681b45d992f76051d3463b1a1761c1_cryptolocker
Files
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2024-02-18_b5681b45d992f76051d3463b1a1761c1_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_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