Static task
static1
Behavioral task
behavioral1
Sample
2024-03-28_a4fa4efd06f86ece36b91707fce41d3b_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-03-28_a4fa4efd06f86ece36b91707fce41d3b_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-28_a4fa4efd06f86ece36b91707fce41d3b_cryptolocker
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Size
55KB
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MD5
a4fa4efd06f86ece36b91707fce41d3b
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SHA1
0861387070064314bfb035d5ff9d3267240c5ad6
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SHA256
fdd5703c85b5dda96c5eb8101b4e895ce0a8a9a20aa592b7812b7076b910da2e
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SHA512
7fd5f381fd75f47c020020cb2b98ef6cfc82274212a66f82fc87bf426e8a21984b5528c973bac5d5ca30cbbd223af07ee7e5e02c549a4dd903c38706979483eb
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SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbP/MM1:xj+VGMOtEvwDpjubXMM1
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 2024-03-28_a4fa4efd06f86ece36b91707fce41d3b_cryptolocker
Files
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2024-03-28_a4fa4efd06f86ece36b91707fce41d3b_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