Static task
static1
Behavioral task
behavioral1
Sample
2024-02-11_a99b881db8a1591b0d99b6c237fc74d3_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-11_a99b881db8a1591b0d99b6c237fc74d3_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-02-11_a99b881db8a1591b0d99b6c237fc74d3_cryptolocker
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Size
63KB
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MD5
a99b881db8a1591b0d99b6c237fc74d3
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SHA1
39d961d023dbb05a67a46c79c128e466ca5c832f
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SHA256
34ebb40bf032948acc5f60a88f3302f42a525261bcbe5d2b78d902ba4cfacfdc
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SHA512
75e7eba921fd5e2f3b496a74a0ecd8bec2220e6f21188d8b4488ae687b0f5359cda66ebf0865bf073897c5ab2a98b750daddda365005fbfac421c14529ed0544
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SSDEEP
768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqPOYRmNxt5I52kGEpEhhaUlPINFh8:6j+1NMOtEvwDpjr8ox8UDEpuha8PINFW
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 -
Detects executables built or packed with MPress PE compressor 1 IoCs
resource yara_rule sample INDICATOR_EXE_Packed_MPress -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-02-11_a99b881db8a1591b0d99b6c237fc74d3_cryptolocker
Files
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2024-02-11_a99b881db8a1591b0d99b6c237fc74d3_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
.MPRESS1 Size: 17KB - Virtual size: 36KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.MPRESS2 Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_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