Behavioral task
behavioral1
Sample
2024-02-11_ecf3c300c1fde8fbf159681a0a8f5b41_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-11_ecf3c300c1fde8fbf159681a0a8f5b41_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-11_ecf3c300c1fde8fbf159681a0a8f5b41_cryptolocker
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Size
55KB
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MD5
ecf3c300c1fde8fbf159681a0a8f5b41
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SHA1
064badd37a05d09c61b94398664275e151538a73
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SHA256
a43b43e392b778f051d90cc757fdb04a2824b31944adec9c45d70ea5ebf60c39
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SHA512
e9b080a97f00bd17afa6595b990d7180153b54ab50e19c5114199dcc7820f6301f5ecb6837d00e79a9362e4efeb66ec9c3a5897512ea6432712381467489376c
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5axcL:z6QFElP6n+gKmddpMOtEvwDpj9aYai
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 2024-02-11_ecf3c300c1fde8fbf159681a0a8f5b41_cryptolocker
Files
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2024-02-11_ecf3c300c1fde8fbf159681a0a8f5b41_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