Behavioral task
behavioral1
Sample
2024-01-29_acd77dcd7729ce5f6c9ffa5e3e6b2085_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-29_acd77dcd7729ce5f6c9ffa5e3e6b2085_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-29_acd77dcd7729ce5f6c9ffa5e3e6b2085_cryptolocker
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Size
83KB
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MD5
acd77dcd7729ce5f6c9ffa5e3e6b2085
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SHA1
8906ad21d38fb2279314840dbd69f920b09bfdfc
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SHA256
fe3ba505d58cf228177a869ca31f5ad9601b7de46fba27f85dd9e6b34c1bf6f3
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SHA512
3933a90e6a34d82f2d0cfdada5e35fa0205597195349b35e8a32dc61f7796ec340863bbfdefe4fbb5189d9c4702532aad6f40aa0c3912e319fa634b4ac09e92f
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1b/:zCsanOtEvwDpjJ
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 2024-01-29_acd77dcd7729ce5f6c9ffa5e3e6b2085_cryptolocker
Files
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2024-01-29_acd77dcd7729ce5f6c9ffa5e3e6b2085_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