Behavioral task
behavioral1
Sample
2024-02-25_22598a5a4b0e56d789d121d9027bbb46_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-25_22598a5a4b0e56d789d121d9027bbb46_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-25_22598a5a4b0e56d789d121d9027bbb46_cryptolocker
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Size
83KB
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MD5
22598a5a4b0e56d789d121d9027bbb46
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SHA1
c843261efa5028d55f06c42e4acda9a6665d7157
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SHA256
684ca9f53dbaf97a1b12b463cb388fb4ec14b5ed33c3d400691c162cf88f7687
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SHA512
75f5e4d1c31bb558e25f0c5e823d69a55cd7cecef50ae87be00f3ea49c44ce4f294148aa77e9637d9087d584ca80f15ae39a4ccf357ca787f06e3a13e21207c9
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1nh:zCsanOtEvwDpjb
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 2024-02-25_22598a5a4b0e56d789d121d9027bbb46_cryptolocker
Files
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2024-02-25_22598a5a4b0e56d789d121d9027bbb46_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