Behavioral task
behavioral1
Sample
2024-06-11_c7bdc0bb51991973f593dffd0438e818_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-06-11_c7bdc0bb51991973f593dffd0438e818_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-06-11_c7bdc0bb51991973f593dffd0438e818_cryptolocker
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Size
81KB
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MD5
c7bdc0bb51991973f593dffd0438e818
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SHA1
0e9efc4b7c3001c5a1841db53f61666dc29366ed
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SHA256
665329a5a2e7d40473f30f2ed6b7d4b3715fb88ec1d86828d695fabca68b2979
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SHA512
5c5ef02ac82abc1c296c89f267692a9c04fd6e09bfbf8f33b175694db6442d75e129091407077a41f28ad9bf4b0b23f65e6f9169be2bde4a46c21917a75268a1
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7Q6:zCsanOtEvwDpjW
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 2024-06-11_c7bdc0bb51991973f593dffd0438e818_cryptolocker
Files
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2024-06-11_c7bdc0bb51991973f593dffd0438e818_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