Behavioral task
behavioral1
Sample
2024-03-28_2e8ec0e5e8fb5e9b5f4f1b6301eab4c4_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-03-28_2e8ec0e5e8fb5e9b5f4f1b6301eab4c4_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-28_2e8ec0e5e8fb5e9b5f4f1b6301eab4c4_cryptolocker
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Size
49KB
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MD5
2e8ec0e5e8fb5e9b5f4f1b6301eab4c4
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SHA1
1d1fa94a8d7023f66168b39fcfb7f5154a557bc4
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SHA256
f9893da93d2d089b4793b8feeac7880996a5487b0d305c3a2b4cbd58bad86aa4
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SHA512
5b9d5dd949057b9b5912bde5ce1d5ab7823090e25988c818b9528f0d71364d12e91522314c5781bc3b81e2b618e8bb3779ae3ce47afa9da4e8f81341d4184a3c
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1tm:z6QFElP6n+gKmddpMOtEvwDpj3fm
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 2024-03-28_2e8ec0e5e8fb5e9b5f4f1b6301eab4c4_cryptolocker
Files
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2024-03-28_2e8ec0e5e8fb5e9b5f4f1b6301eab4c4_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