Behavioral task
behavioral1
Sample
2024-06-06_bf9dd7d306c622816af3886ba37cfb45_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-06-06_bf9dd7d306c622816af3886ba37cfb45_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-06_bf9dd7d306c622816af3886ba37cfb45_cryptolocker
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Size
81KB
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MD5
bf9dd7d306c622816af3886ba37cfb45
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SHA1
ae828d5e1d3c5b39ac38858b64d5a3ecfb4d02f8
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SHA256
9e5e84f953a332119be0fa4b99c736132e10c7f98e945db2a1a04979dd3aa820
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SHA512
b56e56fdf19d1b249ade04bde5a093ed0f6accb4481a8d5cd63be27ed7a2e808aca3d9b26503ba148499447bddc8a4bf2b31e8e4d02b48a8e8e9d44d6977a6d0
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7Qq:zCsanOtEvwDpjm
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 2024-06-06_bf9dd7d306c622816af3886ba37cfb45_cryptolocker
Files
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2024-06-06_bf9dd7d306c622816af3886ba37cfb45_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