Behavioral task
behavioral1
Sample
2024-02-03_347bedd1a4a7e5631786e3dc5e48af65_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-03_347bedd1a4a7e5631786e3dc5e48af65_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-02-03_347bedd1a4a7e5631786e3dc5e48af65_cryptolocker
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Size
79KB
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MD5
347bedd1a4a7e5631786e3dc5e48af65
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SHA1
d44478c0969e5e87adb7362dde4d25354a1e01cb
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SHA256
057f99d5a5e6db588ac4e708b4a85aceaa0a7b2fd2a2e82174b3f077cb8ff447
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SHA512
6c0921a9c80827b8d87dac5547b67bd7249c2d827dd428fe06cd254adc1cbbab1ba8561836fb198b714f9d797120361e9f5b24ba5f31f62bfe967e095f87c93e
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBd09:T6a+rdOOtEvwDpjNte
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 2024-02-03_347bedd1a4a7e5631786e3dc5e48af65_cryptolocker
Files
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2024-02-03_347bedd1a4a7e5631786e3dc5e48af65_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_CODE
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