Behavioral task
behavioral1
Sample
2024-05-08_a45b0cac4dd8648dc8fc4f57d8e4727c_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-05-08_a45b0cac4dd8648dc8fc4f57d8e4727c_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-08_a45b0cac4dd8648dc8fc4f57d8e4727c_cryptolocker
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Size
52KB
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MD5
a45b0cac4dd8648dc8fc4f57d8e4727c
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SHA1
f49facdf6c8774f828f3aebd066168ce3900f4f7
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SHA256
755eb43856bcdb1c2b4dab97742fe3da4c058822d868e92fc84ecbf281045f7f
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SHA512
9739696fa9a891022978147104abc7cf9aac8cc662f2f2548368ce42b48e352f5704b0c85dedabfc60df0db6ba1448bdef53a7b7f687122bf783ac9a4ce0e58e
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtOXu:bODOw9acifAoc+v8u
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 2024-05-08_a45b0cac4dd8648dc8fc4f57d8e4727c_cryptolocker
Files
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2024-05-08_a45b0cac4dd8648dc8fc4f57d8e4727c_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