Behavioral task
behavioral1
Sample
2024-02-14_a081a267f3af17744d0a9be0f24ef431_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-02-14_a081a267f3af17744d0a9be0f24ef431_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-14_a081a267f3af17744d0a9be0f24ef431_cryptolocker
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Size
93KB
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MD5
a081a267f3af17744d0a9be0f24ef431
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SHA1
31c3c5d42c1fb27706f7cb4b7d6497a371669c15
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SHA256
4c46b7292332b3a4bcdc35ba146b6d82379a8bdfe10d37ae379c8e61b0faa8c4
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SHA512
5c13ff9dbdee4c790f82ce06897853add23bf43fc5b889aeed0105afa3155b8c983923384cc76ca4c8e636c4ec24611f5dcbb230489dbbe2ef0a07f3056d541c
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/sq:zCsanOtEvwDpjBf
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 2024-02-14_a081a267f3af17744d0a9be0f24ef431_cryptolocker
Files
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2024-02-14_a081a267f3af17744d0a9be0f24ef431_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