Behavioral task
behavioral1
Sample
2024-03-28_d923d9570be95c9da55eda369b5ceef4_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-28_d923d9570be95c9da55eda369b5ceef4_cryptolocker.exe
Resource
win10v2004-20240319-en
General
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Target
2024-03-28_d923d9570be95c9da55eda369b5ceef4_cryptolocker
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Size
80KB
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MD5
d923d9570be95c9da55eda369b5ceef4
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SHA1
23d4667c311436ce9263e9cf9bf66350e829ffa1
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SHA256
1a0950b696affe85af0e7f8bc9aee42d6db6f4ef95f5499f7a32dfa4c94ead1c
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SHA512
56c74493ccf3b0968e35bdf93388f36a9dd767ba6ece7f3e7f651a49db2029491b7e40eec4cc8cf06c9c52dd29fbd1dc379593007e4769570a06ba12a4eb8735
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdp:T6a+rdOOtEvwDpjNtv
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 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-03-28_d923d9570be95c9da55eda369b5ceef4_cryptolocker
Files
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2024-03-28_d923d9570be95c9da55eda369b5ceef4_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
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_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