Behavioral task
behavioral1
Sample
2024-04-09_62cbcafd004f21e3e09dd9579dd48b4f_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-09_62cbcafd004f21e3e09dd9579dd48b4f_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-09_62cbcafd004f21e3e09dd9579dd48b4f_cryptolocker
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Size
119KB
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MD5
62cbcafd004f21e3e09dd9579dd48b4f
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SHA1
5933a1067f610b454bce80361dcb2c99e557e352
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SHA256
3f8e4c14c0993251158aadf2cacfa5d76ec7e7dfa92d03885638beddc9c9f4f4
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SHA512
7a5da1553959232a8e25e0dab9b790bb48f6e5d527884db9b3a41657a081509b9872e515a7d35711c9e49dcb5a92595e9a3ccdedf756927cc8269aa70a6aa4a8
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp018:z6a+CdOOtEvwDpjczK
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 2024-04-09_62cbcafd004f21e3e09dd9579dd48b4f_cryptolocker
Files
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2024-04-09_62cbcafd004f21e3e09dd9579dd48b4f_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_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