Behavioral task
behavioral1
Sample
2024-04-22_b9a577b75fc4b4ea71dc3e1111822fca_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-04-22_b9a577b75fc4b4ea71dc3e1111822fca_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-22_b9a577b75fc4b4ea71dc3e1111822fca_cryptolocker
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Size
51KB
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MD5
b9a577b75fc4b4ea71dc3e1111822fca
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SHA1
4b85c43cb509f4378c5a59ff627b93f0961677a6
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SHA256
00b57aae168af9ca0461902f42f140a389ab2a3ca67466ad756d15582f2a04a6
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SHA512
7a71fe280dde13eba450a65e271cdfdd4c0b4c73bf4519b7b44a279c120678f272edc08fc367a7097d96070496fe68c328efbc2cbeeb1adc8c500936ff5d101d
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1J+OTOr:z6QFElP6n+gKmddpMOtEvwDpj31ir
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 2024-04-22_b9a577b75fc4b4ea71dc3e1111822fca_cryptolocker
Files
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2024-04-22_b9a577b75fc4b4ea71dc3e1111822fca_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