Behavioral task
behavioral1
Sample
2024-02-24_81f4c67b9b0f009825e30a9d7cb2e737_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-24_81f4c67b9b0f009825e30a9d7cb2e737_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-24_81f4c67b9b0f009825e30a9d7cb2e737_cryptolocker
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Size
65KB
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MD5
81f4c67b9b0f009825e30a9d7cb2e737
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SHA1
401b16dce66f44a8a306d315cb9b14b0f086c45c
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SHA256
70c1ca14b41461dd20a5f5dac0b41959f945e78cd6285f564fab6a6651a3afed
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SHA512
312a1fd6e29a0f9f9d9bff0a3e3e264ddc20a056c938e51df862c5be42f806d3d0196a0807fa021b5867ec98e5a645200e9a652a516deed60fb352fcf497f230
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUa1F1:T6a+rdOOtEvwDpjNV
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 2024-02-24_81f4c67b9b0f009825e30a9d7cb2e737_cryptolocker
Files
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2024-02-24_81f4c67b9b0f009825e30a9d7cb2e737_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