Static task
static1
Behavioral task
behavioral1
Sample
2024-04-09_4cf4a78d6e525e90284ad22e05824dc5_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-09_4cf4a78d6e525e90284ad22e05824dc5_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-09_4cf4a78d6e525e90284ad22e05824dc5_cryptolocker
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Size
101KB
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MD5
4cf4a78d6e525e90284ad22e05824dc5
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SHA1
f8c872fcfa31c199a8d12761ea05f2aebcb7fbda
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SHA256
1805292d0eb87a196dd9aa64a9e519191cf7276d060a02c840c8f68d245bdbb8
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SHA512
be77da15dd96d1878e43f9ed7e5ccd1ec312c843f298aaa513008c9807cb8981c46429f54a52e84ba417c1d81516525ffde3e18c12fceb398665ea335a1929a6
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SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZ7uyA36S7MpxRiWNa9mktJHlv/k2zl:xj+VGMOtEvwDpjubwQEIiVmkxv/Pl
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 2024-04-09_4cf4a78d6e525e90284ad22e05824dc5_cryptolocker
Files
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2024-04-09_4cf4a78d6e525e90284ad22e05824dc5_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