Static task
static1
Behavioral task
behavioral1
Sample
2024-01-18_a23a26ec9c1e39b702d71c0f7964e140_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-18_a23a26ec9c1e39b702d71c0f7964e140_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-18_a23a26ec9c1e39b702d71c0f7964e140_cryptolocker
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Size
48KB
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MD5
a23a26ec9c1e39b702d71c0f7964e140
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SHA1
7f5a4cd785a0786288111450deaf90ca3353b2a7
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SHA256
37ec923f0307ba98b45426a764fda5dc66077f5f35f9b9a46f1d998e7c753530
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SHA512
6fb198b6210478c97c1e7cb2528eb6379433dcd40a0f643d37db89eab7293982e1f041a8412d8085610d634b22eeca46f84ae640c4299b5eacbafeb2f674d114
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SSDEEP
1536:qmbhXDmjr5MOtEvwDpj5cDtKkQZQRKb6Lv6h:BbdDmjr+OtEvwDpjMK
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-01-18_a23a26ec9c1e39b702d71c0f7964e140_cryptolocker
Files
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2024-01-18_a23a26ec9c1e39b702d71c0f7964e140_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
Sections
bUItIFMf Size: - Virtual size: 36KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
QNhjSkbP Size: 12KB - 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