Behavioral task
behavioral1
Sample
2024-01-27_fee66ddb005d61d4fd48db8fba1007d1_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-27_fee66ddb005d61d4fd48db8fba1007d1_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-27_fee66ddb005d61d4fd48db8fba1007d1_cryptolocker
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Size
73KB
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MD5
fee66ddb005d61d4fd48db8fba1007d1
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SHA1
ecff5a82193a7dfaa602678c216bf65b4d4986cf
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SHA256
de4633b96e95c20e9f4b3200a1a0646f45305417542b1b3802d4cff1898430ef
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SHA512
63a750741a78c683b35d0e994c26253d635d48d8e2f608d8e8204a60d14a5a4221ec13c269dfabb5f4825f489ce8eabd9ba1dc5a36e60fbd4a35672718e382ce
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBd/LE:T6a+rdOOtEvwDpjNtS
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 2024-01-27_fee66ddb005d61d4fd48db8fba1007d1_cryptolocker
Files
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2024-01-27_fee66ddb005d61d4fd48db8fba1007d1_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