Behavioral task
behavioral1
Sample
2024-06-05_8229667d82ec6d345977e64d462fc9d7_cryptolocker.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
2024-06-05_8229667d82ec6d345977e64d462fc9d7_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-05_8229667d82ec6d345977e64d462fc9d7_cryptolocker
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Size
22KB
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MD5
8229667d82ec6d345977e64d462fc9d7
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SHA1
37f6c7dd72bf206598dc4d7ff379cd129231e1e8
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SHA256
3a999539b0aeadbc9c5bf0dae8daabba6f5ccd1e8b2a5719615ec17d2c82b535
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SHA512
b2cdb7c5584d5233f94b31ceed32e9248785a6719914442032d8958e880c4a3fc014d0bcc1c84b6f5b9079fa9bd897e828bb78388fc7f9251cc5b1bc5d5ced67
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SSDEEP
384:bVCPwFRuFn65arz1ZhdaXFXSCVQTLfjDp6tf:bVCPwFRo6CpwXFXSqQXfjAt
Malware Config
Signatures
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Detection of CryptoLocker Variants 2 IoCs
resource yara_rule sample CryptoLocker_rule2 static1/unpack001/out.upx CryptoLocker_rule2 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 2024-06-05_8229667d82ec6d345977e64d462fc9d7_cryptolocker unpack001/out.upx
Files
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2024-06-05_8229667d82ec6d345977e64d462fc9d7_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
Sections
UPX0 Size: - Virtual size: 28KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.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
Sections
.text Size: 11KB - Virtual size: 11KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ