Static task
static1
Behavioral task
behavioral1
Sample
2024-02-28_b051d9c637ef8de9f1a2eb3948e377b3_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-28_b051d9c637ef8de9f1a2eb3948e377b3_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-02-28_b051d9c637ef8de9f1a2eb3948e377b3_cryptolocker
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Size
64KB
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MD5
b051d9c637ef8de9f1a2eb3948e377b3
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SHA1
0f52984b86ba939d93e578c34b5799105f2adad3
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SHA256
5aa9fbf0f767d25783adb29e6f209f5b12b00d1121d2c3f7cbcdf747ebce0a3b
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SHA512
2bb6047acdd5fdbf6eb41bc3677254f6a1077a2366b58c6cf2ccdaa94710d3204db8cf5b5eb9818d4baa523a91791442d00b22f38b09163fc7365b0621ab2da1
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SSDEEP
768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqPOYRmNxt5I52kGEpE0P/xg:6j+1NMOtEvwDpjr8ox8UDEpN/S
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 2024-02-28_b051d9c637ef8de9f1a2eb3948e377b3_cryptolocker
Files
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2024-02-28_b051d9c637ef8de9f1a2eb3948e377b3_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