Static task
static1
Behavioral task
behavioral1
Sample
2024-02-29_ef904cbc8bdace11f32d243b30b6665f_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-29_ef904cbc8bdace11f32d243b30b6665f_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-02-29_ef904cbc8bdace11f32d243b30b6665f_cryptolocker
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Size
56KB
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MD5
ef904cbc8bdace11f32d243b30b6665f
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SHA1
8711cb749b878d8cae4ad0871064ec9b06758cde
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SHA256
44adb98ce8d221b9d8b541fc42639c696ead7aec34025300e53f7e583f5e44b8
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SHA512
5ed37a80e97ba5de8a43947b988c84c3f4b6b55fe048ca444c16d3d88dc57a2bc6b81921b235c13390af984505a9638272bc252f0c0d9ef02b6121f2fcfa23ae
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SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZgBh8i6g7Goi20HAw:xj+VGMOtEvwDpjubEgV20gw
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 2024-02-29_ef904cbc8bdace11f32d243b30b6665f_cryptolocker
Files
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2024-02-29_ef904cbc8bdace11f32d243b30b6665f_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