Static task
static1
Behavioral task
behavioral1
Sample
2024-04-21_2783f8a8133471ca9a3df6107a757e4e_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-21_2783f8a8133471ca9a3df6107a757e4e_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-21_2783f8a8133471ca9a3df6107a757e4e_cryptolocker
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Size
49KB
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MD5
2783f8a8133471ca9a3df6107a757e4e
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SHA1
357f9b9625eb4857a13f00c4fb30f2f3f546c18e
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SHA256
839766f728f0756af3df4d56f9a98e4b7ac9efb92b1d95005e981be746508bde
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SHA512
7c08e8bab02795208f68f02ea68be00f5ab73cbc3cbb5e95c7cbdeb63e47031669ea7e188778cf097720057f5c0c7f7730bd4b64da96d37c2b929cc8bcc95a32
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SSDEEP
768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqPhqlcnvhx5/xFRY+iyC:6j+1NMOtEvwDpjr8hhXy+iyC
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 2024-04-21_2783f8a8133471ca9a3df6107a757e4e_cryptolocker
Files
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2024-04-21_2783f8a8133471ca9a3df6107a757e4e_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