Behavioral task
behavioral1
Sample
2024-03-26_4d509bcbee33250039090cf8552bef20_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-03-26_4d509bcbee33250039090cf8552bef20_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-26_4d509bcbee33250039090cf8552bef20_cryptolocker
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Size
63KB
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MD5
4d509bcbee33250039090cf8552bef20
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SHA1
6995f2d6ad251edf4a67caa97404ecb90ebc1a27
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SHA256
87dde88ae107ec578c67071a6ec7d279ff83379f583d07432e6f4cd31a4b84d0
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SHA512
5fd00437b96110dc1782ff0d0b6107bbe7773100c11bc5694134a3fed23f09269f5182fcf5cefd9f9b00fa3bcae4ef96d38b06907cdc1e0eaf8246be5498c978
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mnVwpLI:zj+soPSMOtEvwDpj4kpmeLmne8
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 2024-03-26_4d509bcbee33250039090cf8552bef20_cryptolocker
Files
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2024-03-26_4d509bcbee33250039090cf8552bef20_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