Behavioral task
behavioral1
Sample
2024-04-06_a7e3f8a35873a1d231362489e7f2d44a_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-06_a7e3f8a35873a1d231362489e7f2d44a_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-06_a7e3f8a35873a1d231362489e7f2d44a_cryptolocker
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Size
119KB
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MD5
a7e3f8a35873a1d231362489e7f2d44a
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SHA1
94fcc92b1268ef03297a0c9463d8fb37216529f4
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SHA256
b2c71cd733b7493620834237f6c3d9a4571255bacbc8f2d4881a32709744b58a
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SHA512
179f6157f1f1a33f4cc2d8a2776b80cde28657168e83b188e6279383c2dc70a4969fa48f8716f2260fd07be5788637890da7b66247df8166a38b5f4879a7f3a1
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01rBEK62:z6a+CdOOtEvwDpjczT
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 2024-04-06_a7e3f8a35873a1d231362489e7f2d44a_cryptolocker
Files
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2024-04-06_a7e3f8a35873a1d231362489e7f2d44a_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