Behavioral task
behavioral1
Sample
2024-02-03_77353ac0df71de9f6bd521d76d8e8f83_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-02-03_77353ac0df71de9f6bd521d76d8e8f83_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-02-03_77353ac0df71de9f6bd521d76d8e8f83_cryptolocker
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Size
61KB
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MD5
77353ac0df71de9f6bd521d76d8e8f83
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SHA1
926a48a2e089ba5e12921c4e56e31c5ec41cea98
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SHA256
b2443a1ce811f3f28753aa7dc930cd4bdcce5337243340eb57c218057d0f6ed5
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SHA512
e451650d8c92eb2ef94f75414e2589ec9c0f897f3d97db4749c5dcccf19c6813965219745b5c58a8a41fb6c22a6d4e767fc84e6bfe4c6548102413e8e0700dcc
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mnVzCc:zj+soPSMOtEvwDpj4kpmeLmnZF
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_77353ac0df71de9f6bd521d76d8e8f83_cryptolocker
Files
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2024-02-03_77353ac0df71de9f6bd521d76d8e8f83_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