Static task
static1
Behavioral task
behavioral1
Sample
2024-06-05_b4bd55bbeb1e33cacdd1952e991d5622_cryptolocker.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
2024-06-05_b4bd55bbeb1e33cacdd1952e991d5622_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-06-05_b4bd55bbeb1e33cacdd1952e991d5622_cryptolocker
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Size
44KB
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MD5
b4bd55bbeb1e33cacdd1952e991d5622
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SHA1
b3976e942a7d78bdc1b3fe21d7c49871315dd6b3
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SHA256
c5e2f1eed3f04412da939f0d9a732333353d6119629bd67aeea0c048821cbf3c
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SHA512
6f8379380cc77882954e21e46f34982b7741384e1bd1c5ceb5e0a0e5beca8809931c63004a0c7f28bf2a00d0b65cec70794128df167d0c978912de8d2f594f2a
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SSDEEP
768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqh6/aDDUG:6j+1NMOtEvwDpjrRhG
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 2024-06-05_b4bd55bbeb1e33cacdd1952e991d5622_cryptolocker
Files
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2024-06-05_b4bd55bbeb1e33cacdd1952e991d5622_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: 11KB - Virtual size: 12KB
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