Behavioral task
behavioral1
Sample
2024-02-03_555fdc85d5cc6bc0e9999df2fa5dad3a_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-02-03_555fdc85d5cc6bc0e9999df2fa5dad3a_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-02-03_555fdc85d5cc6bc0e9999df2fa5dad3a_cryptolocker
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Size
90KB
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MD5
555fdc85d5cc6bc0e9999df2fa5dad3a
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SHA1
9230e85b094a2e46b6d125ff6c56c041f782743a
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SHA256
4d403eb05a6e8cfb0e92e20dbe562064ed9cb800149f147b3656129c8df30526
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SHA512
ce9cdb218ae56cce64bb1c36f63435325f8f04f3e9d9c6ada48b46c0036d6b6c04e4c6a8f28156c12fe6f92a2bdb45e708d0fdb57a2ab5f0f700e80164011e9c
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRMy874:zCsanOtEvwDpj4
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 2024-02-03_555fdc85d5cc6bc0e9999df2fa5dad3a_cryptolocker
Files
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2024-02-03_555fdc85d5cc6bc0e9999df2fa5dad3a_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