Behavioral task
behavioral1
Sample
2024-04-05_3e8f37be236da6c5ed264744fb3417d9_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-05_3e8f37be236da6c5ed264744fb3417d9_cryptolocker.exe
Resource
win10v2004-20240319-en
General
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Target
2024-04-05_3e8f37be236da6c5ed264744fb3417d9_cryptolocker
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Size
50KB
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MD5
3e8f37be236da6c5ed264744fb3417d9
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SHA1
66eccd5223f84f883f1d6f80d8be76218de4a364
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SHA256
ab664888616068da52b924f379029c4f75c1cd04fff995e1fc6cd79207c9693d
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SHA512
aef0dfcc5f29c0ef2103a7e2be889f948f030f380d815bfe17eb48fffeabfb61c4557491c2a4615e90d6fba9da3e149dfae3ce3e464f7ae3e370ae4bc87c1941
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1J+OTy:z6QFElP6n+gKmddpMOtEvwDpj31O
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 2024-04-05_3e8f37be236da6c5ed264744fb3417d9_cryptolocker
Files
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2024-04-05_3e8f37be236da6c5ed264744fb3417d9_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