Static task
static1
Behavioral task
behavioral1
Sample
2024-03-08_85a564ff9cfaf930c844a88a5a702cf0_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-08_85a564ff9cfaf930c844a88a5a702cf0_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-08_85a564ff9cfaf930c844a88a5a702cf0_cryptolocker
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Size
100KB
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MD5
85a564ff9cfaf930c844a88a5a702cf0
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SHA1
efa80141f35a0e9ad8c52b397710b51dd5e3e38b
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SHA256
a2cacee22614bf6c02d9de80fb5029451b59ad24d5d498b0294da33797c1db67
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SHA512
a526c28e0c5ed86fb4c6468d56f6fef4fc023b5b25f6f0066d200dd6fe317ead7c27cf065849007535529460cd0ee28315f767331b323a853cae03e01479621c
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SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZ7uyA36S7MpxRiWNa9mktJHlv/k24:xj+VGMOtEvwDpjubwQEIiVmkxv/s
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 2024-03-08_85a564ff9cfaf930c844a88a5a702cf0_cryptolocker
Files
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2024-03-08_85a564ff9cfaf930c844a88a5a702cf0_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: 13KB - Virtual size: 16KB
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