Behavioral task
behavioral1
Sample
2024-01-23_34ec7c08b31232eb9a6a98242941d877_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-23_34ec7c08b31232eb9a6a98242941d877_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-23_34ec7c08b31232eb9a6a98242941d877_cryptolocker
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Size
56KB
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MD5
34ec7c08b31232eb9a6a98242941d877
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SHA1
8dad7140221a96d42eb185cb7c1e2cfb68028e7d
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SHA256
53c7886f2a8acfa5820c95719c9f16de037a5c9932a05e2e4ec9664b696649d9
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SHA512
5187be2297dd292b9b5464935385458da9d2d5a94037b95fc63b4109797958a3e69e0f008ff0f4f7a873c473689afa32ee55f3dbda5a647e00f4d1f02e0c4ee1
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5appi:z6QFElP6n+gKmddpMOtEvwDpj9aYay
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 2024-01-23_34ec7c08b31232eb9a6a98242941d877_cryptolocker
Files
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2024-01-23_34ec7c08b31232eb9a6a98242941d877_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