Behavioral task
behavioral1
Sample
2024-02-04_4548f82d90763a0f3bf9accaddfb6c11_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-04_4548f82d90763a0f3bf9accaddfb6c11_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-04_4548f82d90763a0f3bf9accaddfb6c11_cryptolocker
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Size
55KB
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MD5
4548f82d90763a0f3bf9accaddfb6c11
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SHA1
977d5741a28336ca06e3cfac67144120e5c286b8
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SHA256
da06d3ef8f8e2660739c0074ec997aee4115399171495cf8d9b40ab9152c16a2
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SHA512
3b2bf3d832186783f69b857961bb9958efd9d367014589d3bcf664177a23cc92909ed6b8e0f5a3459bb8402bcb1516ba65aaa4c853c8713c725f12b114b828ca
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5axcw3:z6QFElP6n+gKmddpMOtEvwDpj9aYa3
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 2024-02-04_4548f82d90763a0f3bf9accaddfb6c11_cryptolocker
Files
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2024-02-04_4548f82d90763a0f3bf9accaddfb6c11_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