Behavioral task
behavioral1
Sample
2024-02-22_bf8a333264baaf461bd3d694810df90e_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-02-22_bf8a333264baaf461bd3d694810df90e_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-22_bf8a333264baaf461bd3d694810df90e_cryptolocker
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Size
93KB
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MD5
bf8a333264baaf461bd3d694810df90e
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SHA1
839881f49fa3b00bbb3ba0f1a53a5250aa8b66b2
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SHA256
612e83867d897d88535df4337f0d2ff5aeadb65e286d8ac7ca7d88162a33d02a
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SHA512
e1a2a4a0699a5d8f26af3fb7ff6a988f60835dbab293d976722848ade20013796538dc3b1371ef359ca7247325c2937391cdf7750f7bf72077d1bbf012955ce5
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/sS:zCsanOtEvwDpjBP
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 2024-02-22_bf8a333264baaf461bd3d694810df90e_cryptolocker
Files
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2024-02-22_bf8a333264baaf461bd3d694810df90e_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