Behavioral task
behavioral1
Sample
2024-04-15_2b8729947b001f366e6518e77b6a0ad0_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-15_2b8729947b001f366e6518e77b6a0ad0_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-15_2b8729947b001f366e6518e77b6a0ad0_cryptolocker
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Size
79KB
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MD5
2b8729947b001f366e6518e77b6a0ad0
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SHA1
0a27fbebc58de2106cddb77e8891cbe8f26ece75
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SHA256
6c674df08ad0ee5c2b2bd3690597d9541a9bdbacf7a8c41e393bf98c8f1499c5
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SHA512
a59b93b9ca3c7b411ef56fd7866f813ba2eac256f47d6fb368614109508340a2a2efc5a87a61cbef8ba1c52983a325cdd4919ec9ef1699f2eff970b583ba351b
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7Qc:zCsanOtEvwDpjY
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 2024-04-15_2b8729947b001f366e6518e77b6a0ad0_cryptolocker
Files
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2024-04-15_2b8729947b001f366e6518e77b6a0ad0_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