Behavioral task
behavioral1
Sample
2024-05-30_8d8b5e84d65698ffb389439bd2d42bee_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-30_8d8b5e84d65698ffb389439bd2d42bee_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-30_8d8b5e84d65698ffb389439bd2d42bee_cryptolocker
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Size
53KB
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MD5
8d8b5e84d65698ffb389439bd2d42bee
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SHA1
b6d343680dff30592d95bd83e25a68c1e1dba6df
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SHA256
b50beea91301d3f993771f58d10ab2e54ea51cf1f18c738274e9feeebedce092
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SHA512
8ec16242f672032dda3532ef33aa662b4eef32a1df1e0f22c7e79aacfc2275bc760894000d775da5374319fdf566f36f8eadee6b42a720e14ee8db723feac299
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtOXa:bODOw9acifAoc+v1
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 2024-05-30_8d8b5e84d65698ffb389439bd2d42bee_cryptolocker
Files
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2024-05-30_8d8b5e84d65698ffb389439bd2d42bee_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