Behavioral task
behavioral1
Sample
2024-04-19_573073904a8b6f9cde2df3767c647df7_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-19_573073904a8b6f9cde2df3767c647df7_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-19_573073904a8b6f9cde2df3767c647df7_cryptolocker
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Size
55KB
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MD5
573073904a8b6f9cde2df3767c647df7
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SHA1
df5c519a80d6ae9ea4d2fe4a99a35c14293d1b5e
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SHA256
0b3beb607dc0a894848db0bd84427116a813709caf9e4f7f97bc833959fb719d
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SHA512
258badbab1a6ae6b9eeacb94afbeb34c5b5b7195b48ccb7fd9f2613ad68dc51bd8b4a608d956ad95fc1ed8de71d6b9e4feca225214fe095ec924fde56e150007
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjl+4:bP9g/xtCS3Dxx0J4
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
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 2024-04-19_573073904a8b6f9cde2df3767c647df7_cryptolocker
Files
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2024-04-19_573073904a8b6f9cde2df3767c647df7_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: 17KB - Virtual size: 24KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 9KB - 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