Behavioral task
behavioral1
Sample
2024-05-11_a3914b17a7a07346c447e3018b36f4e2_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-11_a3914b17a7a07346c447e3018b36f4e2_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-11_a3914b17a7a07346c447e3018b36f4e2_cryptolocker
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Size
51KB
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MD5
a3914b17a7a07346c447e3018b36f4e2
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SHA1
ac2187b06d8e73dcab43ea2f39c319c038a7eeab
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SHA256
d79c340a4d9dee16504b680dff2b22529be49b1bf05616152971a7d59a3e5f36
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SHA512
75b2a811b6bf6ee7f1edaae2de6df44486618134782e6021f725453ffd04178ba28aebd716830eed722dbce9f265df2c52ec0b44bc48af3615656bb449aeffe1
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtOe:bODOw9acifAoc+vp
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 2024-05-11_a3914b17a7a07346c447e3018b36f4e2_cryptolocker
Files
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2024-05-11_a3914b17a7a07346c447e3018b36f4e2_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