Behavioral task
behavioral1
Sample
2024-02-22_f698982772fcc4a83c49ff6d235f34f8_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-22_f698982772fcc4a83c49ff6d235f34f8_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-22_f698982772fcc4a83c49ff6d235f34f8_cryptolocker
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Size
122KB
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MD5
f698982772fcc4a83c49ff6d235f34f8
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SHA1
41b5f3b05133a1fb10099b69e4810f28a38e4526
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SHA256
6a863c677ecfce7804625d6297d42a1ea18f0b1f0439fb4bb70f1f430c2168fe
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SHA512
f2ce1932ce9018fb479aae9eb53ff6efd4812ecb302d132d62039281c6ddaf384a12d884ef71a63e4a34aae36afdf6e4cc9b8c6e1de0a14b9770a404c6d2f057
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgpwqWsviy6Y:z6a+CdOOtEvwDpjczk
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 2024-02-22_f698982772fcc4a83c49ff6d235f34f8_cryptolocker
Files
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2024-02-22_f698982772fcc4a83c49ff6d235f34f8_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