Static task
static1
Behavioral task
behavioral1
Sample
2024-02-13_9c5f3d8b44501bd5d23a78d2aec7b18c_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-02-13_9c5f3d8b44501bd5d23a78d2aec7b18c_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-13_9c5f3d8b44501bd5d23a78d2aec7b18c_cryptolocker
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Size
101KB
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MD5
9c5f3d8b44501bd5d23a78d2aec7b18c
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SHA1
12e4d7f73781838582b3e81ea73e6944a44018d4
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SHA256
3610c735961cbcc1b3acdd913da9a07f5cd00290cff8ae4719fa830cd2e597d3
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SHA512
8b29c0ff1b353ddb08161ac0137217683b33078bab72362ca6cc29ad5a0cccf6fee3e1886f3041e40abb30a8ba381ecabb7fc11b358e8c0e6ed5d5d2807a6f72
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SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZ7uyA36S7MpxRiWNa9mktJHlv/k2NM0:xj+VGMOtEvwDpjubwQEIiVmkxv/D
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 2024-02-13_9c5f3d8b44501bd5d23a78d2aec7b18c_cryptolocker
Files
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2024-02-13_9c5f3d8b44501bd5d23a78d2aec7b18c_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