Behavioral task
behavioral1
Sample
2024-04-26_a75439ff662b33e5e0908243a001b818_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-04-26_a75439ff662b33e5e0908243a001b818_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-04-26_a75439ff662b33e5e0908243a001b818_cryptolocker
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Size
96KB
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MD5
a75439ff662b33e5e0908243a001b818
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SHA1
8512a964d486b1e06eef5c038c68f8dc8e8eeb73
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SHA256
9171ecc7054cd1c758c398eedc2357b9956643498dab0358a0739584af595ab4
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SHA512
612890e2afe4ea4bc2764fbe77cde22dd6443638581ddbd9103963c107a1f5aeea79b91821b8b074de03686d77f7e1bfca8b18938118a6b16a491dc6fe9c656d
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/b6:zCsanOtEvwDpjB2
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 2024-04-26_a75439ff662b33e5e0908243a001b818_cryptolocker
Files
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2024-04-26_a75439ff662b33e5e0908243a001b818_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