Static task
static1
Behavioral task
behavioral1
Sample
2024-03-13_b4a3b678c38b90c411512d6b2a420b56_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-03-13_b4a3b678c38b90c411512d6b2a420b56_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-13_b4a3b678c38b90c411512d6b2a420b56_cryptolocker
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Size
57KB
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MD5
b4a3b678c38b90c411512d6b2a420b56
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SHA1
771d73d456ecd38954174d6feba2721c9cd616da
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SHA256
7fc71477e35cff3ffc2d6fad6b5e34497b87500bc40cabf0405b4a9fe459efe3
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SHA512
e65358e80ab16de0fce0792991b5fc1b2b634b6872e381f66036c80f36b6808e6497afb94a417ab3f7a93e224275df854df8b0c712bb5dcf683466fbe8d772c2
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SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZgBh8i6g7Gowfj8ue:xj+VGMOtEvwDpjubEgde
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 2024-03-13_b4a3b678c38b90c411512d6b2a420b56_cryptolocker
Files
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2024-03-13_b4a3b678c38b90c411512d6b2a420b56_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