Behavioral task
behavioral1
Sample
2024-05-02_7fd31fb2f759257223558db861d00ef5_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-02_7fd31fb2f759257223558db861d00ef5_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-02_7fd31fb2f759257223558db861d00ef5_cryptolocker
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Size
85KB
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MD5
7fd31fb2f759257223558db861d00ef5
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SHA1
1dd2b0db661d31a96ce7ff37590f26d9c0879e09
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SHA256
a8e30a4290145634da99ca709b547958f95e3cf7b9f8b704fbe3feef0ae9a769
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SHA512
a0b9646b2097cc49b0d998c22a36a6ac4746548bd283e3cde8af070def844a262260cc24839f3330325aa85c5077c79dbdde9669a03db3e69c4ca6e797d0283a
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOT7vM5R+:T6a+rdOOtEvwDpjNn
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 2024-05-02_7fd31fb2f759257223558db861d00ef5_cryptolocker
Files
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2024-05-02_7fd31fb2f759257223558db861d00ef5_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