Behavioral task
behavioral1
Sample
2024-04-30_7a3d335e01f2f5d63ca3d1c819b8e839_cryptolocker.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
2024-04-30_7a3d335e01f2f5d63ca3d1c819b8e839_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-04-30_7a3d335e01f2f5d63ca3d1c819b8e839_cryptolocker
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Size
50KB
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MD5
7a3d335e01f2f5d63ca3d1c819b8e839
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SHA1
054bd72fb6f71025fb99795bc68e247c53b03242
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SHA256
fd9b379c74dabac0017cc32bdc1e94626a86bdaf378651ef3be4635487ca79ca
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SHA512
27031178ddbbb946f1cfd9d02b7088900ea28cdbcd311d54bf575967d5377cb6e83d85dbe355db06802a4a2890ad0008ef3e2a9760bc2ec7df165a10ddb177d0
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvts:bODOw9acifAoc+vs
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 2024-04-30_7a3d335e01f2f5d63ca3d1c819b8e839_cryptolocker
Files
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2024-04-30_7a3d335e01f2f5d63ca3d1c819b8e839_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