Behavioral task
behavioral1
Sample
2024-04-24_4ae5951ca70a1cc69a456bcf8af1917b_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-24_4ae5951ca70a1cc69a456bcf8af1917b_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-24_4ae5951ca70a1cc69a456bcf8af1917b_cryptolocker
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Size
50KB
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MD5
4ae5951ca70a1cc69a456bcf8af1917b
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SHA1
0a2e6ebc8a2009d226be8c3846001260b7d55080
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SHA256
412fc0d19890cf5a003cc51d56f38a0c0f83d8bac77d665fcf6df6c7652754d3
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SHA512
6e42296f79653cac6c48b7cb895e620356b3796746ce7d75ad785fe1b5557bb7cb399175663b9fddb9027b1979270d41e27ba9625481096b077d4cfbf30c950d
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtbua:bODOw9acifAoc+v6a
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 2024-04-24_4ae5951ca70a1cc69a456bcf8af1917b_cryptolocker
Files
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2024-04-24_4ae5951ca70a1cc69a456bcf8af1917b_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