Behavioral task
behavioral1
Sample
2024-01-24_f2500713f5dfe4abc23e6c1425fb75c7_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-24_f2500713f5dfe4abc23e6c1425fb75c7_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-24_f2500713f5dfe4abc23e6c1425fb75c7_cryptolocker
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Size
55KB
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MD5
f2500713f5dfe4abc23e6c1425fb75c7
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SHA1
025415fa16dfab27547f44a1dce029537de62bca
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SHA256
7ae09bad590abfa1d543a1236fa0b071a94f289df2186188e3ab1d22f920cff8
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SHA512
5ff20982e6f6488f8167b2192f89093c3f0d8034fb3922c44896802c450a14e22a9f11c479e4b11f1475c0a189edb8675b7fea254846bbc911eaefcf6ef9c000
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5apN:z6QFElP6n+gKmddpMOtEvwDpj9aYaT
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 2024-01-24_f2500713f5dfe4abc23e6c1425fb75c7_cryptolocker
Files
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2024-01-24_f2500713f5dfe4abc23e6c1425fb75c7_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