Behavioral task
behavioral1
Sample
2024-02-21_aab978f481d747bf0c9d8c092e90d471_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-02-21_aab978f481d747bf0c9d8c092e90d471_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-21_aab978f481d747bf0c9d8c092e90d471_cryptolocker
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Size
87KB
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MD5
aab978f481d747bf0c9d8c092e90d471
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SHA1
bc6094f641451e03d3b3a31658620f3af186263c
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SHA256
6b7891ad758ece28f820e02810ae6d5f5a77061c99e96a9630c8de6618241530
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SHA512
8f99121e0ff7b8b9854b5d551b80a2d85c945d2609d266e558e28f4aaff685c195f5bd6cabccbf029e042abbdf0902b9b9c54c68f25d151cb9b146a561421d0f
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjW:zCsanOtEvwDpjH
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 2024-02-21_aab978f481d747bf0c9d8c092e90d471_cryptolocker
Files
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2024-02-21_aab978f481d747bf0c9d8c092e90d471_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