Behavioral task
behavioral1
Sample
2024-02-18_55ca461a138cceb8345b6a89a411ecf8_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-18_55ca461a138cceb8345b6a89a411ecf8_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-18_55ca461a138cceb8345b6a89a411ecf8_cryptolocker
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Size
117KB
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MD5
55ca461a138cceb8345b6a89a411ecf8
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SHA1
60a43e646159de17eb6cef5769bb044b1be85fc6
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SHA256
d8d41414bb1226d35b8fac58773e014d297de3efa015352b31b4073fc3635e5f
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SHA512
f6315545ede5881addd37307400e405e7647fd97f6200a466d6ea353c971c623a2d5862f79a2dce2d5ee7603867d56d20acb8c8f913b2721b272ac8eff741655
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01M:z6a+CdOOtEvwDpjcz6
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 2024-02-18_55ca461a138cceb8345b6a89a411ecf8_cryptolocker
Files
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2024-02-18_55ca461a138cceb8345b6a89a411ecf8_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