Static task
static1
Behavioral task
behavioral1
Sample
2024-04-30_a66748deda528244250b8c6db227882a_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-30_a66748deda528244250b8c6db227882a_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-04-30_a66748deda528244250b8c6db227882a_cryptolocker
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Size
42KB
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MD5
a66748deda528244250b8c6db227882a
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SHA1
4ad4775c9a852f768a6d3c3230e016125b3242a8
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SHA256
2453c23ce54ed97a329304c2300f972dd606269d05afbd18f46361fb6882d394
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SHA512
b9fc94a92e7296f50342e6425c4d1ce0446a464b7665904e067358f9a6be7fb81258e97d073850f98e03dc1c9d00fa1bbbcaff4866ac12e4627fbd8ca927f481
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SSDEEP
768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqh6/aDj:6j+1NMOtEvwDpjrRo
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 2024-04-30_a66748deda528244250b8c6db227882a_cryptolocker
Files
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2024-04-30_a66748deda528244250b8c6db227882a_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