Behavioral task
behavioral1
Sample
2024-04-18_1843ffdbaab6da802ff8bc5d81103839_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-18_1843ffdbaab6da802ff8bc5d81103839_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-18_1843ffdbaab6da802ff8bc5d81103839_cryptolocker
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Size
54KB
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MD5
1843ffdbaab6da802ff8bc5d81103839
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SHA1
3e19b058f2f25343717c1e09cc7c04347c96200f
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SHA256
94ba5e75e7d15c14fb3248644a3fad4cfdbc9450244e67fd5fc2a3565accf323
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SHA512
8087cdba43fb0e03022109e42c60fd7f76c1866b3f2ae28fbb388c36ffdc9affe20d3ad60c1928f9359580a2d1f80161c9e3b5322496727e8e6feae2d8a402ab
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjx:bP9g/xtCS3Dxx0I
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 2024-04-18_1843ffdbaab6da802ff8bc5d81103839_cryptolocker
Files
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2024-04-18_1843ffdbaab6da802ff8bc5d81103839_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