Behavioral task
behavioral1
Sample
2024-04-21_b393d11aeccf10d58e82da857a17c88d_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-21_b393d11aeccf10d58e82da857a17c88d_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-21_b393d11aeccf10d58e82da857a17c88d_cryptolocker
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Size
54KB
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MD5
b393d11aeccf10d58e82da857a17c88d
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SHA1
53ab383dc3c5965e85925a270e524a3457ccc27f
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SHA256
890d92576230d4b782261e1943af315e53726bf2b07f4f9e2a6a2ac0d24ec0e0
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SHA512
012073da9a9e2df17bbd6255af646e7113a0e305a13dbfed4e556f1f68e2ccd59c193ce1b958332a8871c9ea2dcb1a972bec069b006d5205ad7c170a479b3ff6
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgC1:bP9g/xtCS3Dxx0Q1
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 2024-04-21_b393d11aeccf10d58e82da857a17c88d_cryptolocker
Files
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2024-04-21_b393d11aeccf10d58e82da857a17c88d_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