Behavioral task
behavioral1
Sample
2024-05-03_856a9d812c28d9ab290eb1e45272cf36_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-03_856a9d812c28d9ab290eb1e45272cf36_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-05-03_856a9d812c28d9ab290eb1e45272cf36_cryptolocker
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Size
88KB
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MD5
856a9d812c28d9ab290eb1e45272cf36
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SHA1
249b8ae7dd0486f5635c814c1094082a121d6958
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SHA256
606e1845f131b00ec781a483a500dd6e91ce402ba7a65bc74dbeb2e9741fce25
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SHA512
a95b1212ddb42b8cb8c63b1dc3ac32376ae0db0180c01a332bdcff87299b97f9a6a8ab5393d6a6d807a584a4f6f9e4b5d1f8c0871d09586b1c24a8ed969237ec
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRMy8tyblx:zCsanOtEvwDpji
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 2024-05-03_856a9d812c28d9ab290eb1e45272cf36_cryptolocker
Files
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2024-05-03_856a9d812c28d9ab290eb1e45272cf36_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