Behavioral task
behavioral1
Sample
2024-02-18_cdd9f7e4b81395f2a94d0cb8f41fc2cc_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-18_cdd9f7e4b81395f2a94d0cb8f41fc2cc_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-18_cdd9f7e4b81395f2a94d0cb8f41fc2cc_cryptolocker
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Size
81KB
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MD5
cdd9f7e4b81395f2a94d0cb8f41fc2cc
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SHA1
042985b5bd2a7c75cfb59f8da5e709965626d0ed
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SHA256
336b51351e40b264f30aa26255885c08e5bd084cb8d2e79d82abbffbcd7b78bf
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SHA512
c852a669f8e10179f2eb9296727d6a1a8ee6965d587d627209ac2ba4ed726cab4d28f466bbfbefec5d67fda9fbd4535156da0dd8c5ebc4611c6c6948b4f27e6e
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdeSc:T6a+rdOOtEvwDpjNtI
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_cdd9f7e4b81395f2a94d0cb8f41fc2cc_cryptolocker
Files
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2024-02-18_cdd9f7e4b81395f2a94d0cb8f41fc2cc_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