Behavioral task
behavioral1
Sample
2024-05-20_377b33aeaa7eeb89fe42c6d55551b5b9_cryptolocker.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
2024-05-20_377b33aeaa7eeb89fe42c6d55551b5b9_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-20_377b33aeaa7eeb89fe42c6d55551b5b9_cryptolocker
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Size
51KB
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MD5
377b33aeaa7eeb89fe42c6d55551b5b9
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SHA1
a1df407165b5ea2cd4797940729eb3f8415edced
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SHA256
93b7fb870cba520bb90d67f26a857ca0043ef7caf83209f6008729548003ccd8
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SHA512
f63f85049c51ad3a8ce78ae5e9bce50193ba488e1cbc16096a08f03eebdd358a3e17788c2810d9f5a90b7e0fb1b71c84097050e350f04c34f915e9c8d61a8145
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtXiM:bODOw9acifAoc+vXiM
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 2024-05-20_377b33aeaa7eeb89fe42c6d55551b5b9_cryptolocker
Files
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2024-05-20_377b33aeaa7eeb89fe42c6d55551b5b9_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