Behavioral task
behavioral1
Sample
2024-05-21_8ca674f1eb36fa8687c1e770a7b75dbc_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-21_8ca674f1eb36fa8687c1e770a7b75dbc_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-21_8ca674f1eb36fa8687c1e770a7b75dbc_cryptolocker
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Size
52KB
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MD5
8ca674f1eb36fa8687c1e770a7b75dbc
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SHA1
3cce430bf2cc4d539e99e7502b2da3a78b1086bf
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SHA256
353ff89736fdbf7bcb5b5e022be3b188ec94f8caa11ae4505d2b5a0730c7a529
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SHA512
24b3d4574f48c90be445f4a17469eff073aec027ba12a676ab8f398d8de4f349854c1979bc872df934d9a6502d5c9b1d8b01e0b9723fcda1d4a64fac7ca50ac6
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtO0:bODOw9acifAoc+vP
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 2024-05-21_8ca674f1eb36fa8687c1e770a7b75dbc_cryptolocker
Files
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2024-05-21_8ca674f1eb36fa8687c1e770a7b75dbc_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: 16KB - Virtual size: 28KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - 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