Behavioral task
behavioral1
Sample
2024-06-09_db8dcdf4f00d6839cd285580a5e5a4f2_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-06-09_db8dcdf4f00d6839cd285580a5e5a4f2_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-09_db8dcdf4f00d6839cd285580a5e5a4f2_cryptolocker
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Size
53KB
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MD5
db8dcdf4f00d6839cd285580a5e5a4f2
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SHA1
23065853f72bd6fb783dec06fdee75fa795f0d03
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SHA256
6a1d44c5865eaab749954f026edee0caced02baed3a87d8c1dd29cf9a1189123
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SHA512
cbe0b2441aeba78ea85c556d722ca7561572680f28a49eb287ae5e000ac3aada2b782486839d4d63c0c3115ed3ace9a553a97c7e944bfb551a32b2e091002f12
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtOKb:bODOw9acifAoc+vH
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
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 2024-06-09_db8dcdf4f00d6839cd285580a5e5a4f2_cryptolocker
Files
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2024-06-09_db8dcdf4f00d6839cd285580a5e5a4f2_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: 16KB - Virtual size: 28KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - 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