Behavioral task
behavioral1
Sample
2024-01-24_fb8a943bc47851356fbf545a07f2e233_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-24_fb8a943bc47851356fbf545a07f2e233_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-24_fb8a943bc47851356fbf545a07f2e233_cryptolocker
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Size
76KB
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MD5
fb8a943bc47851356fbf545a07f2e233
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SHA1
1fb5f310ebcb0957671241f3c906183f5bff4f25
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SHA256
bba714ae4cb48ae68e277ffe0ab8825b711768a27df0feab903566315f2da69e
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SHA512
d35c775e1f0f0d7d72c187066e29fd3d71ebf00f37e90c3cd8b67c135c6564ad85bd6a886209d5d007c24f0c1fe0999ed0b51861bbedc6582ab00d4427b9434e
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7pBlqrr1HBJooSeKzu1adyBY:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyq
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 2024-01-24_fb8a943bc47851356fbf545a07f2e233_cryptolocker
Files
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2024-01-24_fb8a943bc47851356fbf545a07f2e233_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