Behavioral task
behavioral1
Sample
2024-04-17_1f439fe22847f6bb389dfce9b5dce7ec_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-17_1f439fe22847f6bb389dfce9b5dce7ec_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-17_1f439fe22847f6bb389dfce9b5dce7ec_cryptolocker
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Size
86KB
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MD5
1f439fe22847f6bb389dfce9b5dce7ec
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SHA1
804326bc8b1bcb0e31182cea7fed61a580c5a155
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SHA256
f29470a9b7dd05d9ed6ac560b66299bc21124f1448f140ca3d13739b852f0592
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SHA512
99fc912cdcf8a168952580c9ee5590d43b23d805c85918caa11f4c5841dec7bec92270593c3331bdf80ef520f2cf8477c951a173ded844b9c38facfe1505ccc0
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1/3n:zCsanOtEvwDpj1
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 2024-04-17_1f439fe22847f6bb389dfce9b5dce7ec_cryptolocker
Files
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2024-04-17_1f439fe22847f6bb389dfce9b5dce7ec_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