Behavioral task
behavioral1
Sample
2024-06-11_57a9c278b66a41476e415b3455c46974_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-06-11_57a9c278b66a41476e415b3455c46974_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-06-11_57a9c278b66a41476e415b3455c46974_cryptolocker
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Size
53KB
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MD5
57a9c278b66a41476e415b3455c46974
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SHA1
5e1c1d0773de4d3a3c2aa0c7b8bb01268e68cfcb
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SHA256
3a1fae0776b21a3570c7e5ffc0478c7216dcc3ee926e704f86ce1418cc0ee342
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SHA512
adfaf70e3846d12d9475f12542eb43f23887a3c59c75cc23053ff82f03954d2f71887d7117d508b8d10c843f0947cba84ef2a93eb95611ae76f9fa80e65dddb1
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtOXe:bODOw9acifAoc+vB
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 2024-06-11_57a9c278b66a41476e415b3455c46974_cryptolocker
Files
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2024-06-11_57a9c278b66a41476e415b3455c46974_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